]>
Commit | Line | Data |
---|---|---|
c143ef62 MM |
1 | # |
2 | # This file is part of the program psim. | |
3 | # | |
4 | # Copyright (C) 1994-1995, Andrew Cagney <[email protected]> | |
5 | # | |
6 | # -- | |
7 | # | |
8 | # The pseudo-code that appears below, translated into C, was copied | |
9 | # by Andrew Cagney of Moss Vale, Australia. | |
10 | # | |
11 | # This pseudo-code is copied by permission from the publication | |
12 | # "The PowerPC Architecture: A Specification for A New Family of | |
13 | # RISC Processors" (ISBN 1-55860-316-6) copyright 1993, 1994 by | |
14 | # International Business Machines Corporation. | |
15 | # | |
16 | # THIS PERMISSION IS PROVIDED WITHOUT WARRANTY OF ANY KIND, EITHER | |
17 | # EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES | |
18 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
19 | # | |
20 | # -- | |
21 | # | |
22 | # This program is free software; you can redistribute it and/or modify | |
23 | # it under the terms of the GNU General Public License as published by | |
24 | # the Free Software Foundation; either version 2 of the License, or | |
25 | # (at your option) any later version. | |
26 | # | |
27 | # This program is distributed in the hope that it will be useful, | |
28 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
29 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
30 | # GNU General Public License for more details. | |
31 | # | |
32 | # You should have received a copy of the GNU General Public License | |
33 | # along with this program; if not, write to the Free Software | |
34 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
35 | # | |
36 | # -- | |
37 | # | |
38 | # | |
39 | # Fields: | |
40 | # | |
41 | # 1 Instruction format as a `start-bit,content' pairs. | |
42 | # the content is one of a digit, field name or `/' (aka.0) | |
43 | # | |
44 | # 2 Format specifier | |
45 | # | |
46 | # 3 Flags: 64 - 64bit only | |
47 | # f - floating point enabled required | |
48 | # | |
49 | # 4 short name | |
50 | # | |
51 | # 5 Description | |
52 | # | |
28816f45 MM |
53 | # |
54 | # For flags marked 'model', the fields are interpreted as follows: | |
55 | # | |
56 | # 1 Not used | |
57 | # | |
58 | # 2 Not used | |
59 | # | |
60 | # 3 "macro" | |
61 | # | |
62 | # 4 String name for model | |
63 | # | |
64 | # 5 Specific CPU model, must be an identifier | |
65 | # | |
66 | # 6 Comma separated list of functional units | |
845ff5a4 | 67 | |
4a0351ab | 68 | \f |
80948f39 | 69 | # PowerPC models |
54e98699 MM |
70 | ::model:604:ppc604: PPC_UNIT_BAD, PPC_UNIT_BAD, 1, 1, 0 |
71 | ::model:603e:ppc603e:PPC_UNIT_BAD, PPC_UNIT_BAD, 1, 1, 0 | |
72 | ::model:603:ppc603: PPC_UNIT_BAD, PPC_UNIT_BAD, 1, 1, 0 | |
73 | ::model:601:ppc601: PPC_UNIT_BAD, PPC_UNIT_BAD, 1, 1, 0 | |
28816f45 MM |
74 | |
75 | # Flags for model.h | |
45525d8d MM |
76 | ::model-macro::: |
77 | #define PPC_INSN_INT(OUT_MASK, IN_MASK, RC) \ | |
f2181eff MM |
78 | do { \ |
79 | if (WITH_MODEL_ISSUE) { \ | |
80 | if (RC) \ | |
81 | ppc_insn_int(my_index, cpu_model(processor), OUT_MASK, IN_MASK); \ | |
82 | else \ | |
83 | ppc_insn_int_cr(my_index, cpu_model(processor), OUT_MASK, IN_MASK, 1 << 0); \ | |
84 | } \ | |
85 | } while (0) | |
45525d8d MM |
86 | |
87 | #define PPC_INSN_INT_CR(OUT_MASK, IN_MASK, CR_MASK) \ | |
f2181eff MM |
88 | do { \ |
89 | if (WITH_MODEL_ISSUE) \ | |
90 | ppc_insn_int_cr(my_index, cpu_model(processor), OUT_MASK, IN_MASK, CR_MASK); \ | |
91 | } while (0) | |
45525d8d MM |
92 | |
93 | #define PPC_INSN_CR(OUT_MASK, IN_MASK) \ | |
f2181eff MM |
94 | do { \ |
95 | if (WITH_MODEL_ISSUE) \ | |
96 | ppc_insn_cr(my_index, cpu_model(processor), OUT_MASK, IN_MASK); \ | |
97 | } while (0) | |
45525d8d MM |
98 | |
99 | #define PPC_INSN_FLOAT(OUT_MASK, IN_MASK, RC) \ | |
f2181eff MM |
100 | do { \ |
101 | if (WITH_MODEL_ISSUE) { \ | |
102 | if (RC) \ | |
103 | ppc_insn_float(my_index, cpu_model(processor), OUT_MASK, IN_MASK); \ | |
104 | else \ | |
105 | ppc_insn_float_cr(my_index, cpu_model(processor), OUT_MASK, IN_MASK, 1 << 0); \ | |
106 | } \ | |
107 | } while (0) | |
45525d8d MM |
108 | |
109 | #define PPC_INSN_FLOAT_CR(OUT_MASK, IN_MASK, CR_MASK) \ | |
f2181eff MM |
110 | do { \ |
111 | if (WITH_MODEL_ISSUE) \ | |
112 | ppc_insn_float_cr(my_index, cpu_model(processor), OUT_MASK, IN_MASK, CR_MASK); \ | |
113 | } while (0) | |
45525d8d MM |
114 | |
115 | #define PPC_INSN_INT_FLOAT(OUT_INT_MASK, OUT_FP_MASK, IN_INT_MASK, IN_FP_MASK) \ | |
f2181eff MM |
116 | do { \ |
117 | if (WITH_MODEL_ISSUE) \ | |
118 | ppc_insn_int_float(my_index, cpu_model(processor), OUT_INT_MASK, OUT_FP_MASK, IN_INT_MASK, IN_FP_MASK); \ | |
119 | } while (0) | |
45525d8d MM |
120 | |
121 | #define PPC_INSN_FROM_SPR(INT_MASK, SPR) \ | |
f2181eff MM |
122 | do { \ |
123 | if (WITH_MODEL_ISSUE) \ | |
124 | ppc_insn_from_spr(my_index, cpu_model(processor), INT_MASK, SPR); \ | |
125 | } while (0) | |
45525d8d MM |
126 | |
127 | #define PPC_INSN_TO_SPR(INT_MASK, SPR) \ | |
f2181eff MM |
128 | do { \ |
129 | if (WITH_MODEL_ISSUE) \ | |
130 | ppc_insn_to_spr(my_index, cpu_model(processor), INT_MASK, SPR); \ | |
131 | } while (0) | |
45525d8d MM |
132 | |
133 | #define PPC_INSN_MFCR(INT_MASK) \ | |
f2181eff MM |
134 | do { \ |
135 | if (WITH_MODEL_ISSUE) \ | |
136 | ppc_insn_mfcr(my_index, cpu_model(processor), INT_MASK); \ | |
137 | } while (0) | |
138 | ||
139 | #define PPC_INSN_MTCR(INT_MASK, FXM) \ | |
140 | do { \ | |
141 | if (WITH_MODEL_ISSUE) \ | |
142 | ppc_insn_mtcr(my_index, cpu_model(processor), INT_MASK, FXM); \ | |
143 | } while (0) | |
45525d8d | 144 | |
80948f39 MM |
145 | ::model-data::: |
146 | typedef enum _ppc_function_unit { | |
845ff5a4 MM |
147 | PPC_UNIT_BAD, /* unknown function unit */ |
148 | PPC_UNIT_IU, /* integer unit (601/603 style) */ | |
149 | PPC_UNIT_SRU, /* system register unit (601/603 style) */ | |
150 | PPC_UNIT_SCIU1, /* 1st single cycle integer unit (604 style) */ | |
151 | PPC_UNIT_SCIU2, /* 2nd single cycle integer unit (604 style) */ | |
152 | PPC_UNIT_MCIU, /* multiple cycle integer unit (604 style) */ | |
153 | PPC_UNIT_FPU, /* floating point unit */ | |
154 | PPC_UNIT_LSU, /* load/store unit */ | |
155 | PPC_UNIT_BPU, /* branch unit */ | |
80948f39 MM |
156 | nr_ppc_function_units |
157 | } ppc_function_unit; | |
845ff5a4 | 158 | |
80948f39 MM |
159 | /* Structure to hold timing information on a per instruction basis */ |
160 | struct _model_time { | |
4220dcd6 | 161 | ppc_function_unit first_unit; /* first functional unit this insn could use */ |
0bcce7d3 | 162 | ppc_function_unit second_unit; /* second functional unit this insn could use */ |
4220dcd6 MM |
163 | signed16 issue; /* # cycles before function unit can process other insns */ |
164 | signed16 done; /* # cycles before insn is done */ | |
54e98699 | 165 | unsigned32 flags; /* any flags that are needed */ |
80948f39 | 166 | }; |
845ff5a4 | 167 | |
4a0351ab MM |
168 | /* Register mappings in status masks */ |
169 | #define PPC_CR_REG 0 /* start of CR0 .. CR7 */ | |
170 | #define PPC_FPSCR_REG (PPC_CR_REG + 8) /* start of fpscr register */ | |
171 | ||
172 | #define PPC_NO_SPR (-1) /* flag for no SPR register */ | |
4220dcd6 MM |
173 | |
174 | /* Structure for each functional unit that is busy */ | |
175 | typedef struct _model_busy model_busy; | |
176 | struct _model_busy { | |
177 | model_busy *next; /* next function unit */ | |
4220dcd6 | 178 | ppc_function_unit unit; /* function unit name */ |
4a0351ab MM |
179 | unsigned32 int_busy; /* int registers that are busy */ |
180 | unsigned32 fp_busy; /* floating point registers that are busy */ | |
181 | unsigned32 cr_fpscr_busy; /* CR/FPSCR registers that are busy */ | |
182 | signed16 spr_busy; /* SPR register that is busy or PPC_NO_SPR */ | |
183 | signed8 issue; /* # of cycles until unit can accept another insn */ | |
184 | signed8 done; /* # of cycles until insn is done */ | |
4220dcd6 | 185 | }; |
845ff5a4 | 186 | |
80948f39 MM |
187 | /* Structure to hold the current state information for the simulated CPU model */ |
188 | struct _model_data { | |
4220dcd6 | 189 | cpu *processor; /* point back to processor */ |
80948f39 MM |
190 | const char *name; /* model name */ |
191 | const model_time *timing; /* timing information */ | |
4220dcd6 MM |
192 | model_busy *busy_list; /* list of busy function units */ |
193 | model_busy *free_list; /* list of model_busy structs not in use */ | |
4220dcd6 MM |
194 | count_type nr_cycles; /* # cycles */ |
195 | count_type nr_branches; /* # branches */ | |
196 | count_type nr_branches_fallthrough; /* # conditional branches that fell through */ | |
197 | count_type nr_branch_predict_trues; /* # branches predicted correctly */ | |
198 | count_type nr_branch_predict_falses; /* # branches predicted incorrectly */ | |
46c065ab | 199 | count_type nr_branch_conditional[32]; /* # of each type of bc */ |
f2181eff | 200 | count_type nr_mtcrf_crs[9]; /* # of CR's moved in a mtcrf instruction */ |
54e98699 MM |
201 | count_type nr_stalls_data; /* # of stalls for data */ |
202 | count_type nr_stalls_unit; /* # of stalls waiting for a function unit */ | |
203 | count_type nr_stalls_serialize; /* # of stalls waiting for things to quiet down */ | |
4220dcd6 | 204 | count_type nr_units[nr_ppc_function_units]; /* function unit counts */ |
4a0351ab MM |
205 | unsigned32 int_busy; /* int registers that are busy */ |
206 | unsigned32 fp_busy; /* floating point registers that are busy */ | |
207 | unsigned32 cr_fpscr_busy; /* CR/FPSCR registers that are busy */ | |
208 | unsigned8 spr_busy[nr_of_sprs]; /* SPR registers that are busy */ | |
209 | unsigned8 busy[nr_ppc_function_units]; /* whether a function is busy or not */ | |
80948f39 | 210 | }; |
845ff5a4 | 211 | |
80948f39 | 212 | STATIC_MODEL const char *const ppc_function_unit_name[ (int)nr_ppc_function_units ] = { |
845ff5a4 MM |
213 | "unknown functional unit instruction", |
214 | "integer functional unit instruction", | |
215 | "system register functional unit instruction", | |
216 | "1st single cycle integer functional unit instruction", | |
217 | "2nd single cycle integer functional unit instruction", | |
218 | "multiple cycle integer functional unit instruction", | |
219 | "floating point functional unit instruction", | |
220 | "load/store functional unit instruction", | |
221 | "branch functional unit instruction", | |
80948f39 MM |
222 | }; |
223 | ||
46c065ab MM |
224 | STATIC_MODEL const char *const ppc_branch_conditional_name[32] = { |
225 | "branch if --CTR != 0 and condition is FALSE", /* 0000y */ | |
226 | "branch if --CTR != 0 and condition is FALSE, reverse branch likely", | |
227 | "branch if --CTR == 0 and condition is FALSE", /* 0001y */ | |
228 | "branch if --CTR == 0 and condition is FALSE, reverse branch likely", | |
229 | "branch if the condition is FALSE", /* 001zy */ | |
230 | "branch if the condition is FALSE, reverse branch likely", | |
231 | "branch if the condition is FALSE (ignored bit 1 set to 1)", /* 001zy */ | |
232 | "branch if the condition is FALSE, reverse branch likely (ignored bit 4 set to 1)", | |
233 | "branch if --CTR != 0 and condition is TRUE", /* 0100y */ | |
234 | "branch if --CTR != 0 and condition is TRUE, reverse branch likely", | |
235 | "branch if --CTR == 0 and condition is TRUE", /* 0101y */ | |
236 | "branch if --CTR == 0 and condition is TRUE, reverse branch likely", | |
237 | "branch if the condition is TRUE", /* 011zy */ | |
238 | "branch if the condition is TRUE, reverse branch likely", | |
239 | "branch if the condition is TRUE (ignored bit 1 set to 1)", /* 011zy */ | |
240 | "branch if the condition is TRUE, reverse branch likely (ignored bit 4 set to 1)", | |
241 | "branch if --CTR != 0", /* 1z00y */ | |
242 | "branch if --CTR != 0, reverse branch likely", | |
243 | "branch if --CTR == 0", /* 1z01y */ | |
244 | "branch if --CTR == 0, reverse branch likely", | |
245 | "branch always", /* 1z1zz */ | |
246 | "branch always (ignored bit 5 set to 1)", | |
247 | "branch always (ignored bit 4 set to 1)", /* 1z1zz */ | |
248 | "branch always (ignored bits 4,5 set to 1)", | |
249 | "branch if --CTR != 0 (ignored bit 1 set to 1)", /* 1z00y */ | |
250 | "branch if --CTR != 0, reverse branch likely (ignored bit 1 set to 1)", | |
251 | "branch if --CTR == 0 (ignored bit 1 set to 1)", /* 1z01y */ | |
252 | "branch if --CTR == 0, reverse branch likely (ignored bit 1 set to 1)", | |
253 | "branch always (ignored bit 1 set to 1)", /* 1z1zz */ | |
254 | "branch always (ignored bits 1,5 set to 1)", | |
255 | "branch always (ignored bits 1,4 set to 1)", /* 1z1zz */ | |
256 | "branch always (ignored bits 1,4,5 set to 1)", | |
257 | }; | |
258 | ||
f2181eff MM |
259 | STATIC_MODEL const char *const ppc_nr_mtcrf_crs[9] = { |
260 | "mtcrf moving 0 CRs", | |
261 | "mtcrf moving 1 CR", | |
262 | "mtcrf moving 2 CRs", | |
263 | "mtcrf moving 3 CRs", | |
264 | "mtcrf moving 4 CRs", | |
265 | "mtcrf moving 5 CRs", | |
266 | "mtcrf moving 6 CRs", | |
267 | "mtcrf moving 7 CRs", | |
268 | "mtcrf moving all CRs", | |
269 | }; | |
4a0351ab MM |
270 | \f |
271 | # Trace releasing resources | |
272 | void::model-static::model_trace_release:model_data *model_ptr, model_busy *busy | |
273 | int i; | |
274 | TRACE(trace_model,("done, %s\n", ppc_function_unit_name[busy->unit])); | |
275 | if (busy->int_busy) { | |
276 | for(i = 0; i < 32; i++) { | |
277 | if (((1 << i) & busy->int_busy) != 0) { | |
278 | TRACE(trace_model, ("Register r%d is now available.\n", i)); | |
279 | } | |
280 | } | |
281 | } | |
282 | if (busy->fp_busy) { | |
283 | for(i = 0; i < 32; i++) { | |
284 | if (((1 << i) & busy->fp_busy) != 0) { | |
285 | TRACE(trace_model, ("Register f%d is now available.\n", i)); | |
286 | } | |
287 | } | |
288 | } | |
289 | if (busy->cr_fpscr_busy) { | |
290 | for(i = 0; i < 8; i++) { | |
291 | if (((1 << i) & busy->cr_fpscr_busy) != 0) { | |
292 | TRACE(trace_model, ("Register cr%d is now available.\n", i)); | |
293 | } | |
294 | } | |
295 | if (busy->cr_fpscr_busy & 0x100) | |
296 | TRACE(trace_model, ("Register fpscr is now available.\n")); | |
54e98699 | 297 | } |
4a0351ab MM |
298 | if (busy->spr_busy != PPC_NO_SPR) |
299 | TRACE(trace_model, ("Register %s is now available.\n", spr_name(busy->spr_busy))); | |
54e98699 | 300 | |
45525d8d MM |
301 | # Trace making registers busy |
302 | void::model-static::model_trace_make_busy:model_data *model_ptr, unsigned32 int_mask, unsigned32 fp_mask, unsigned32 cr_mask | |
303 | int i; | |
304 | if (int_mask) { | |
305 | for(i = 0; i < 32; i++) { | |
306 | if (((1 << i) & int_mask) != 0) { | |
307 | TRACE(trace_model, ("Register r%d is now busy.\n", i)); | |
308 | } | |
309 | } | |
310 | } | |
311 | if (fp_mask) { | |
312 | for(i = 0; i < 32; i++) { | |
313 | if (((1 << i) & fp_mask) != 0) { | |
314 | TRACE(trace_model, ("Register f%d is now busy.\n", i)); | |
315 | } | |
316 | } | |
317 | } | |
318 | if (cr_mask) { | |
319 | for(i = 0; i < 8; i++) { | |
320 | if (((1 << i) & cr_mask) != 0) { | |
321 | TRACE(trace_model, ("Register cr%d is now busy.\n", i)); | |
322 | } | |
323 | } | |
324 | } | |
325 | ||
4a0351ab MM |
326 | # Trace waiting for registers to become available |
327 | void::model-static::model_trace_busy_p:model_data *model_ptr, unsigned32 int_busy, unsigned32 fp_busy, unsigned32 cr_or_fpscr_busy, int spr_busy | |
328 | int i; | |
329 | if (int_busy) { | |
330 | int_busy &= model_ptr->int_busy; | |
331 | for(i = 0; i < 32; i++) { | |
332 | if (((1 << i) & int_busy) != 0) { | |
333 | TRACE(trace_model, ("Waiting for register r%d.\n", i)); | |
334 | } | |
335 | } | |
336 | } | |
337 | if (fp_busy) { | |
338 | fp_busy &= model_ptr->fp_busy; | |
339 | for(i = 0; i < 32; i++) { | |
340 | if (((1 << i) & fp_busy) != 0) { | |
341 | TRACE(trace_model, ("Waiting for register f%d.\n", i)); | |
342 | } | |
343 | } | |
344 | } | |
345 | if (cr_or_fpscr_busy) { | |
346 | cr_or_fpscr_busy &= model_ptr->cr_fpscr_busy; | |
347 | for(i = 0; i < 8; i++) { | |
348 | if (((1 << i) & cr_or_fpscr_busy) != 0) { | |
349 | TRACE(trace_model, ("Waiting for register cr%d.\n", i)); | |
350 | } | |
351 | } | |
352 | if (cr_or_fpscr_busy & 0x100) | |
353 | TRACE(trace_model, ("Waiting for register fpscr.\n")); | |
354 | } | |
355 | if (spr_busy != PPC_NO_SPR && model_ptr->spr_busy[spr_busy]) | |
356 | TRACE(trace_model, ("Waiting for register %s.\n", spr_name(spr_busy))); | |
357 | \f | |
4220dcd6 MM |
358 | # Advance state to next cycle, releasing any registers allocated |
359 | void::model-internal::model_new_cycle:model_data *model_ptr | |
360 | model_busy *cur_busy = model_ptr->busy_list; | |
361 | model_busy *free_list = model_ptr->free_list; | |
362 | model_busy *next_busy = (model_busy *)0; | |
4220dcd6 MM |
363 | model_busy *next; |
364 | ||
365 | model_ptr->nr_cycles++; | |
366 | for ( ; cur_busy; cur_busy = next) { | |
367 | next = cur_busy->next; | |
368 | if (--cur_busy->done <= 0) { /* function unit done, release registers */ | |
4a0351ab MM |
369 | model_ptr->int_busy &= ~cur_busy->int_busy; |
370 | model_ptr->fp_busy &= ~cur_busy->fp_busy; | |
371 | model_ptr->cr_fpscr_busy &= ~cur_busy->cr_fpscr_busy; | |
372 | if (cur_busy->spr_busy != PPC_NO_SPR) | |
373 | model_ptr->spr_busy[cur_busy->spr_busy] = 0; | |
374 | ||
375 | if (WITH_TRACE && ppc_trace[trace_model]) | |
376 | model_trace_release(model_ptr, cur_busy); | |
377 | ||
0bcce7d3 | 378 | model_ptr->busy[cur_busy->unit] = 0; |
4220dcd6 MM |
379 | cur_busy->next = free_list; |
380 | free_list = cur_busy; | |
381 | } | |
382 | else if (--cur_busy->issue <= 0) { /* function unit pipelined, allow new use */ | |
383 | TRACE(trace_model,("pipeline, %s ready for next client\n", ppc_function_unit_name[cur_busy->unit])); | |
0bcce7d3 | 384 | model_ptr->busy[cur_busy->unit] = 0; |
4220dcd6 MM |
385 | cur_busy->next = next_busy; |
386 | next_busy = cur_busy; | |
387 | } | |
388 | else { | |
389 | TRACE(trace_model,("%s still working, issue = %d, done = %d\n", | |
390 | ppc_function_unit_name[cur_busy->unit], | |
391 | cur_busy->issue, | |
392 | cur_busy->done)); | |
393 | cur_busy->next = next_busy; | |
394 | next_busy = cur_busy; | |
395 | } | |
396 | } | |
397 | ||
398 | model_ptr->busy_list = next_busy; | |
399 | model_ptr->free_list = free_list; | |
4220dcd6 | 400 | |
4a0351ab | 401 | # Mark a function unit as busy, return the busy structure |
4220dcd6 MM |
402 | model_busy *::model-internal::model_make_busy:model_data *model_ptr, ppc_function_unit unit, int issue, int done |
403 | model_busy *busy; | |
404 | ||
405 | TRACE(trace_model,("unit = %s, issue = %d, done = %d\n", ppc_function_unit_name[unit], issue, done)); | |
406 | ||
407 | if (!model_ptr->free_list) { | |
408 | busy = ZALLOC(model_busy); | |
845ff5a4 | 409 | } |
80948f39 | 410 | else { |
4220dcd6 MM |
411 | busy = model_ptr->free_list; |
412 | model_ptr->free_list = busy->next; | |
4220dcd6 MM |
413 | } |
414 | busy->next = model_ptr->busy_list; | |
415 | busy->unit = unit; | |
416 | busy->issue = issue; | |
417 | busy->done = done; | |
4a0351ab MM |
418 | busy->int_busy = 0; |
419 | busy->fp_busy = 0; | |
420 | busy->cr_fpscr_busy = 0; | |
421 | busy->spr_busy = PPC_NO_SPR; | |
4220dcd6 | 422 | model_ptr->busy_list = busy; |
0bcce7d3 | 423 | model_ptr->busy[unit] = 1; |
54e98699 | 424 | model_ptr->nr_units[unit]++; |
4220dcd6 | 425 | return busy; |
4a0351ab | 426 | \f |
54e98699 MM |
427 | # Wait until a function unit is non-busy, and then allocate a busy pointer & return the pointer |
428 | model_busy *::model-internal::model_wait_for_unit:itable_index index, model_data *const model_ptr, const model_time *const time_ptr | |
429 | ppc_function_unit first_unit = time_ptr->first_unit; | |
0bcce7d3 | 430 | ppc_function_unit second_unit = time_ptr->second_unit; |
54e98699 | 431 | int stall_increment = 0; |
4220dcd6 MM |
432 | |
433 | for (;;) { | |
0bcce7d3 MM |
434 | if (!model_ptr->busy[first_unit]) |
435 | return model_make_busy(model_ptr, first_unit, | |
436 | model_ptr->timing[index].issue, | |
437 | model_ptr->timing[index].done); | |
438 | ||
439 | if (!model_ptr->busy[second_unit]) | |
440 | return model_make_busy(model_ptr, second_unit, | |
441 | model_ptr->timing[index].issue, | |
442 | model_ptr->timing[index].done); | |
4220dcd6 | 443 | |
54e98699 MM |
444 | TRACE(trace_model,("all function units are busy for %s\n", itable[index].name)); |
445 | model_ptr->nr_stalls_unit += stall_increment; /* don't count first stall */ | |
446 | stall_increment = 1; | |
4220dcd6 | 447 | model_new_cycle(model_ptr); |
80948f39 | 448 | } |
28816f45 | 449 | |
54e98699 MM |
450 | # Serialize the processor, waiting for all instructions to drain out before adding an instruction. |
451 | void::model-function::model_serialize:itable_index index, model_data *model_ptr | |
452 | while (model_ptr->busy_list) { | |
453 | TRACE(trace_model,("waiting for pipeline to empty\n")); | |
454 | model_ptr->nr_stalls_serialize++; | |
455 | model_new_cycle(model_ptr); | |
456 | } | |
457 | (void) model_make_busy(model_ptr, | |
458 | model_ptr->timing[index].first_unit, | |
459 | model_ptr->timing[index].issue, | |
460 | model_ptr->timing[index].done); | |
461 | ||
462 | # Wait for a CR to become unbusy | |
463 | void::model-function::model_wait_for_cr:model_data *model_ptr, unsigned CRBIT | |
464 | unsigned u; | |
4a0351ab | 465 | unsigned32 cr_mask; |
54e98699 MM |
466 | int cr_var = 0; |
467 | for (u = 0xc0000000; (u != 0) && (CRBIT & u) == 0; u >>= 4 ) | |
468 | cr_var++; | |
469 | ||
4a0351ab MM |
470 | cr_mask = (1 << cr_var); |
471 | while ((model_ptr->cr_fpscr_busy & cr_mask) != 0) { | |
54e98699 MM |
472 | TRACE(trace_model,("waiting for CR %d\n", cr_var)); |
473 | model_ptr->nr_stalls_data++; | |
474 | model_new_cycle(model_ptr); | |
475 | } | |
476 | ||
f2181eff MM |
477 | # Schedule an instruction that takes integer input registers and produces output registers |
478 | void::model-function::ppc_insn_int:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask | |
45525d8d | 479 | const unsigned32 int_mask = out_mask | in_mask; |
4a0351ab MM |
480 | model_busy *busy_ptr; |
481 | ||
f2181eff MM |
482 | if ((model_ptr->int_busy & int_mask) != 0) { |
483 | model_new_cycle(model_ptr); /* don't count first dependency as a stall */ | |
4a0351ab | 484 | |
f2181eff MM |
485 | while ((model_ptr->int_busy & int_mask) != 0) { |
486 | if (WITH_TRACE && ppc_trace[trace_model]) | |
487 | model_trace_busy_p(model_ptr, int_mask, 0, 0, PPC_NO_SPR); | |
4a0351ab | 488 | |
f2181eff MM |
489 | model_ptr->nr_stalls_data++; |
490 | model_new_cycle(model_ptr); | |
4a0351ab | 491 | } |
4a0351ab MM |
492 | } |
493 | ||
f2181eff MM |
494 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
495 | model_ptr->int_busy |= out_mask; | |
496 | busy_ptr->int_busy |= out_mask; | |
497 | if (WITH_TRACE && ppc_trace[trace_model]) | |
498 | model_trace_make_busy(model_ptr, out_mask, 0, 0); | |
54e98699 | 499 | |
f2181eff MM |
500 | # Schedule an instruction that takes integer input registers and produces output registers & sets some CR registers |
501 | void::model-function::ppc_insn_int_cr:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask, const unsigned32 cr_mask | |
502 | const unsigned32 int_mask = out_mask | in_mask; | |
503 | model_busy *busy_ptr; | |
4a0351ab | 504 | |
f2181eff MM |
505 | if ((model_ptr->int_busy & int_mask) || (model_ptr->cr_fpscr_busy & cr_mask)) { |
506 | model_new_cycle(model_ptr); /* don't count first dependency as a stall */ | |
507 | ||
508 | while ((model_ptr->int_busy & int_mask) || (model_ptr->cr_fpscr_busy & cr_mask)) { | |
509 | if (WITH_TRACE && ppc_trace[trace_model]) | |
510 | model_trace_busy_p(model_ptr, int_mask, 0, cr_mask, PPC_NO_SPR); | |
511 | ||
512 | model_ptr->nr_stalls_data++; | |
513 | model_new_cycle(model_ptr); | |
54e98699 | 514 | } |
f2181eff | 515 | } |
54e98699 | 516 | |
f2181eff MM |
517 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
518 | model_ptr->int_busy |= out_mask; | |
519 | busy_ptr->int_busy |= out_mask; | |
520 | model_ptr->cr_fpscr_busy |= cr_mask; | |
521 | busy_ptr->cr_fpscr_busy |= cr_mask; | |
522 | if (WITH_TRACE && ppc_trace[trace_model]) | |
523 | model_trace_make_busy(model_ptr, out_mask, 0, cr_mask); | |
524 | ||
525 | ||
526 | # Schedule an instruction that takes CR input registers and produces output CR registers | |
527 | void::model-function::ppc_insn_cr:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask | |
528 | const unsigned32 cr_mask = out_mask | in_mask; | |
529 | model_busy *busy_ptr; | |
530 | ||
531 | if ((model_ptr->cr_fpscr_busy & cr_mask) != 0) { | |
532 | model_new_cycle(model_ptr); /* don't count first dependency as a stall */ | |
533 | ||
534 | while ((model_ptr->cr_fpscr_busy & cr_mask) != 0) { | |
535 | if (WITH_TRACE && ppc_trace[trace_model]) | |
536 | model_trace_busy_p(model_ptr, 0, 0, cr_mask, PPC_NO_SPR); | |
537 | ||
538 | model_ptr->nr_stalls_data++; | |
539 | model_new_cycle(model_ptr); | |
540 | } | |
54e98699 MM |
541 | } |
542 | ||
f2181eff MM |
543 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
544 | model_ptr->cr_fpscr_busy |= out_mask; | |
545 | busy_ptr->cr_fpscr_busy |= out_mask; | |
546 | if (WITH_TRACE && ppc_trace[trace_model]) | |
547 | model_trace_make_busy(model_ptr, 0, 0, out_mask); | |
4a0351ab | 548 | |
f2181eff MM |
549 | |
550 | # Schedule an instruction that takes floating point input registers and produces output fp registers | |
551 | void::model-function::ppc_insn_float:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask | |
45525d8d | 552 | const unsigned32 fp_mask = out_mask | in_mask; |
4a0351ab MM |
553 | model_busy *busy_ptr; |
554 | ||
f2181eff MM |
555 | if ((model_ptr->fp_busy & fp_mask) != 0) { |
556 | model_new_cycle(model_ptr); /* don't count first dependency as a stall */ | |
4a0351ab | 557 | |
f2181eff MM |
558 | while ((model_ptr->fp_busy & fp_mask) != 0) { |
559 | if (WITH_TRACE && ppc_trace[trace_model]) | |
560 | model_trace_busy_p(model_ptr, 0, fp_mask, 0, PPC_NO_SPR); | |
4a0351ab | 561 | |
f2181eff MM |
562 | model_ptr->nr_stalls_data++; |
563 | model_new_cycle(model_ptr); | |
4a0351ab | 564 | } |
4a0351ab MM |
565 | } |
566 | ||
f2181eff MM |
567 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
568 | model_ptr->fp_busy |= out_mask; | |
569 | busy_ptr->fp_busy |= out_mask; | |
570 | if (WITH_TRACE && ppc_trace[trace_model]) | |
571 | model_trace_make_busy(model_ptr, 0, out_mask, 0); | |
4a0351ab | 572 | |
4a0351ab | 573 | |
f2181eff MM |
574 | # Schedule an instruction that takes floating point input registers and produces output fp registers & sets some CR regs |
575 | void::model-function::ppc_insn_float_cr:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask, const unsigned32 cr_mask | |
576 | const unsigned32 fp_mask = out_mask | in_mask; | |
577 | model_busy *busy_ptr; | |
4a0351ab | 578 | |
f2181eff MM |
579 | if ((model_ptr->fp_busy & fp_mask) || (model_ptr->cr_fpscr_busy & cr_mask)) { |
580 | model_new_cycle(model_ptr); /* don't count first dependency as a stall */ | |
581 | ||
582 | while ((model_ptr->fp_busy & fp_mask) || (model_ptr->cr_fpscr_busy & cr_mask)) { | |
583 | if (WITH_TRACE && ppc_trace[trace_model]) | |
584 | model_trace_busy_p(model_ptr, 0, fp_mask, cr_mask, PPC_NO_SPR); | |
585 | ||
586 | model_ptr->nr_stalls_data++; | |
587 | model_new_cycle(model_ptr); | |
588 | } | |
4a0351ab MM |
589 | } |
590 | ||
f2181eff MM |
591 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
592 | model_ptr->fp_busy |= out_mask; | |
593 | busy_ptr->fp_busy |= out_mask; | |
594 | model_ptr->cr_fpscr_busy |= cr_mask; | |
595 | busy_ptr->cr_fpscr_busy |= cr_mask; | |
596 | if (WITH_TRACE && ppc_trace[trace_model]) | |
597 | model_trace_make_busy(model_ptr, 0, out_mask, cr_mask); | |
598 | ||
4a0351ab | 599 | |
45525d8d | 600 | # Schedule an instruction that takes both int/float input registers and produces output int/float registers |
f2181eff | 601 | void::model-function::ppc_insn_int_float:itable_index index, model_data *model_ptr, const unsigned32 out_int_mask, const unsigned32 out_fp_mask, const unsigned32 in_int_mask, const unsigned32 in_fp_mask |
45525d8d MM |
602 | const unsigned32 int_mask = out_int_mask | in_int_mask; |
603 | const unsigned32 fp_mask = out_fp_mask | in_fp_mask; | |
4a0351ab MM |
604 | model_busy *busy_ptr; |
605 | ||
45525d8d MM |
606 | if ((model_ptr->int_busy & int_mask) || (model_ptr->fp_busy & fp_mask)) { |
607 | model_new_cycle(model_ptr); /* don't count first dependency as a stall */ | |
4a0351ab | 608 | |
45525d8d MM |
609 | while ((model_ptr->int_busy & int_mask) || (model_ptr->fp_busy & fp_mask)) { |
610 | if (WITH_TRACE && ppc_trace[trace_model]) | |
611 | model_trace_busy_p(model_ptr, int_mask, fp_mask, 0, PPC_NO_SPR); | |
4a0351ab | 612 | |
45525d8d MM |
613 | model_ptr->nr_stalls_data++; |
614 | model_new_cycle(model_ptr); | |
4a0351ab MM |
615 | } |
616 | ||
617 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); | |
45525d8d MM |
618 | model_ptr->int_busy |= out_int_mask; |
619 | busy_ptr->int_busy |= out_int_mask; | |
620 | model_ptr->fp_busy |= out_fp_mask; | |
621 | busy_ptr->fp_busy |= out_fp_mask; | |
622 | if (WITH_TRACE && ppc_trace[trace_model]) | |
623 | model_trace_make_busy(model_ptr, out_int_mask, out_fp_mask, 0); | |
4a0351ab | 624 | return; |
54e98699 MM |
625 | } |
626 | ||
627 | # Schedule an MFSPR instruction that takes 1 special purpose register and produces an integer output register | |
f2181eff | 628 | void::model-function::ppc_insn_from_spr:itable_index index, model_data *model_ptr, const unsigned32 int_mask, const unsigned nSPR |
45525d8d | 629 | model_busy *busy_ptr; |
4a0351ab | 630 | |
45525d8d MM |
631 | while ((model_ptr->int_busy & int_mask) != 0 || model_ptr->spr_busy[nSPR] != 0) { |
632 | if (WITH_TRACE && ppc_trace[trace_model]) | |
633 | model_trace_busy_p(model_ptr, int_mask, 0, 0, nSPR); | |
54e98699 | 634 | |
45525d8d MM |
635 | model_ptr->nr_stalls_data++; |
636 | model_new_cycle(model_ptr); | |
54e98699 MM |
637 | } |
638 | ||
45525d8d MM |
639 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
640 | model_ptr->int_busy |= int_mask; | |
641 | busy_ptr->int_busy |= int_mask; | |
642 | if (WITH_TRACE && ppc_trace[trace_model]) | |
643 | model_trace_make_busy(model_ptr, int_mask, 0, 0); | |
54e98699 | 644 | |
45525d8d | 645 | # Schedule an MTSPR instruction that takes 1 integer register and produces a special purpose output register |
f2181eff | 646 | void::model-function::ppc_insn_to_spr:itable_index index, model_data *model_ptr, const unsigned32 int_mask, const unsigned nSPR |
45525d8d | 647 | model_busy *busy_ptr; |
4a0351ab | 648 | |
45525d8d MM |
649 | while ((model_ptr->int_busy & int_mask) != 0 || model_ptr->spr_busy[nSPR] != 0) { |
650 | if (WITH_TRACE && ppc_trace[trace_model]) | |
651 | model_trace_busy_p(model_ptr, int_mask, 0, 0, nSPR); | |
54e98699 | 652 | |
45525d8d MM |
653 | model_ptr->nr_stalls_data++; |
654 | model_new_cycle(model_ptr); | |
54e98699 MM |
655 | } |
656 | ||
45525d8d MM |
657 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
658 | busy_ptr->spr_busy = nSPR; | |
659 | model_ptr->spr_busy[nSPR] = 1; | |
660 | TRACE(trace_model,("Making register %s busy.\n", spr_name(nSPR))); | |
15ec5b60 | 661 | |
45525d8d | 662 | # Schedule a MFCR instruction that moves the CR into an integer regsiter |
f2181eff | 663 | void::model-function::ppc_insn_mfcr:itable_index index, model_data *model_ptr, unsigned32 int_mask |
45525d8d MM |
664 | const unsigned32 cr_mask = 0xff; |
665 | model_busy *busy_ptr; | |
15ec5b60 | 666 | |
45525d8d MM |
667 | while (((model_ptr->int_busy & int_mask) | (model_ptr->cr_fpscr_busy & cr_mask)) != 0) { |
668 | if (WITH_TRACE && ppc_trace[trace_model]) | |
669 | model_trace_busy_p(model_ptr, int_mask, 0, cr_mask, PPC_NO_SPR); | |
15ec5b60 | 670 | |
45525d8d MM |
671 | model_ptr->nr_stalls_data++; |
672 | model_new_cycle(model_ptr); | |
15ec5b60 MM |
673 | } |
674 | ||
45525d8d MM |
675 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
676 | model_ptr->int_busy |= int_mask; | |
677 | busy_ptr->int_busy |= int_mask; | |
678 | if (WITH_TRACE && ppc_trace[trace_model]) | |
679 | model_trace_make_busy(model_ptr, int_mask, 0, 0); | |
680 | ||
15ec5b60 | 681 | # Schedule a MTCR instruction that moves an integer register into the CR |
f2181eff MM |
682 | void::model-function::ppc_insn_mtcr:itable_index index, model_data *model_ptr, unsigned32 int_mask, unsigned FXM |
683 | int f; | |
684 | int nr_crs = 0; | |
685 | unsigned32 cr_mask = 0; | |
686 | const model_time *normal_time = &model_ptr->timing[index]; | |
687 | static const model_time ppc604_1bit_time = { PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 }; | |
688 | model_busy *busy_ptr; | |
15ec5b60 | 689 | |
f2181eff MM |
690 | for (f = 0; f < 8; f++) { |
691 | if (FXM & (0x80 >> f)) { | |
692 | cr_mask |= (1 << f); | |
693 | nr_crs++; | |
4a0351ab | 694 | } |
0bcce7d3 MM |
695 | } |
696 | ||
f2181eff MM |
697 | while (((model_ptr->int_busy & int_mask) | (model_ptr->cr_fpscr_busy & cr_mask)) != 0) { |
698 | if (WITH_TRACE && ppc_trace[trace_model]) | |
699 | model_trace_busy_p(model_ptr, int_mask, 0, cr_mask, PPC_NO_SPR); | |
0bcce7d3 | 700 | |
f2181eff MM |
701 | model_ptr->nr_stalls_data++; |
702 | model_new_cycle(model_ptr); | |
0bcce7d3 MM |
703 | } |
704 | ||
f2181eff MM |
705 | /* If only one CR is being moved, use the SCIU, not the MCIU on the 604 */ |
706 | if (CURRENT_MODEL == MODEL_ppc604 && nr_crs == 1) { | |
707 | normal_time = &ppc604_1bit_time; | |
0bcce7d3 MM |
708 | } |
709 | ||
f2181eff MM |
710 | busy_ptr = model_wait_for_unit(index, model_ptr, normal_time); |
711 | busy_ptr->cr_fpscr_busy |= cr_mask; | |
712 | model_ptr->cr_fpscr_busy |= cr_mask; | |
713 | model_ptr->nr_mtcrf_crs[nr_crs]++; | |
714 | if (WITH_TRACE && ppc_trace[trace_model]) | |
715 | model_trace_make_busy(model_ptr, 0, 0, cr_mask); | |
716 | \f | |
4220dcd6 MM |
717 | model_data *::model-function::model_create:cpu *processor |
718 | model_data *model_ptr = ZALLOC(model_data); | |
719 | ASSERT(CURRENT_MODEL > 0 && CURRENT_MODEL < nr_models); | |
720 | model_ptr->name = model_name[CURRENT_MODEL]; | |
721 | model_ptr->timing = model_time_mapping[CURRENT_MODEL]; | |
722 | model_ptr->processor = processor; | |
723 | model_ptr->nr_cycles = 1; | |
724 | return model_ptr; | |
845ff5a4 | 725 | |
4220dcd6 | 726 | void::model-function::model_init:model_data *model_ptr |
80948f39 | 727 | |
4220dcd6 MM |
728 | void::model-function::model_halt:model_data *model_ptr |
729 | /* Let pipeline drain */ | |
730 | while (model_ptr->busy_list) | |
731 | model_new_cycle(model_ptr); | |
80948f39 MM |
732 | |
733 | model_print *::model-function::model_mon_info:model_data *model_ptr | |
734 | model_print *head; | |
735 | model_print *tail; | |
736 | ppc_function_unit i; | |
4a0351ab | 737 | count_type nr_insns; |
46c065ab | 738 | int j; |
845ff5a4 | 739 | |
80948f39 | 740 | head = tail = ZALLOC(model_print); |
4220dcd6 MM |
741 | tail->count = model_ptr->nr_cycles; |
742 | tail->name = "cycle"; | |
743 | tail->suffix_plural = "s"; | |
80948f39 | 744 | tail->suffix_singular = ""; |
845ff5a4 | 745 | |
54e98699 MM |
746 | if (model_ptr->nr_stalls_data) { |
747 | tail->next = ZALLOC(model_print); | |
748 | tail = tail->next; | |
749 | tail->count = model_ptr->nr_stalls_data; | |
750 | tail->name = "stall"; | |
751 | tail->suffix_plural = "s waiting for data"; | |
752 | tail->suffix_singular = " waiting for data"; | |
753 | } | |
754 | ||
755 | if (model_ptr->nr_stalls_unit) { | |
756 | tail->next = ZALLOC(model_print); | |
757 | tail = tail->next; | |
758 | tail->count = model_ptr->nr_stalls_unit; | |
759 | tail->name = "stall"; | |
760 | tail->suffix_plural = "s waiting for a function unit"; | |
761 | tail->suffix_singular = " waiting for a function unit"; | |
762 | } | |
763 | ||
764 | if (model_ptr->nr_stalls_serialize) { | |
765 | tail->next = ZALLOC(model_print); | |
766 | tail = tail->next; | |
767 | tail->count = model_ptr->nr_stalls_serialize; | |
768 | tail->name = "stall"; | |
769 | tail->suffix_plural = "s waiting for serialization"; | |
770 | tail->suffix_singular = " waiting for serialization"; | |
771 | } | |
772 | ||
4220dcd6 MM |
773 | if (model_ptr->nr_branches) { |
774 | tail->next = ZALLOC(model_print); | |
775 | tail = tail->next; | |
776 | tail->count = model_ptr->nr_branches; | |
777 | tail->name = "branch"; | |
778 | tail->suffix_plural = "es"; | |
779 | tail->suffix_singular = ""; | |
780 | } | |
781 | ||
84bbbc35 MM |
782 | if (model_ptr->nr_branches_fallthrough) { |
783 | tail->next = ZALLOC(model_print); | |
784 | tail = tail->next; | |
785 | tail->count = model_ptr->nr_branches_fallthrough; | |
786 | tail->name = "conditional branch"; | |
787 | tail->suffix_plural = "es fell through"; | |
788 | tail->suffix_singular = " fell through"; | |
789 | } | |
790 | ||
791 | if (model_ptr->nr_branch_predict_trues) { | |
792 | tail->next = ZALLOC(model_print); | |
793 | tail = tail->next; | |
794 | tail->count = model_ptr->nr_branch_predict_trues; | |
795 | tail->name = "successful branch prediction"; | |
796 | tail->suffix_plural = "s"; | |
797 | tail->suffix_singular = ""; | |
798 | } | |
799 | ||
800 | if (model_ptr->nr_branch_predict_falses) { | |
801 | tail->next = ZALLOC(model_print); | |
802 | tail = tail->next; | |
803 | tail->count = model_ptr->nr_branch_predict_falses; | |
804 | tail->name = "unsuccessful branch prediction"; | |
805 | tail->suffix_plural = "s"; | |
806 | tail->suffix_singular = ""; | |
807 | } | |
808 | ||
46c065ab MM |
809 | for (j = 0; j < (sizeof(ppc_branch_conditional_name) / sizeof(ppc_branch_conditional_name[0])) ; j++) { |
810 | if (model_ptr->nr_branch_conditional[j]) { | |
811 | tail->next = ZALLOC(model_print); | |
812 | tail = tail->next; | |
813 | tail->count = model_ptr->nr_branch_conditional[j]; | |
814 | tail->name = ppc_branch_conditional_name[j]; | |
815 | tail->suffix_plural = " conditional branches"; | |
816 | tail->suffix_singular = " conditional branch"; | |
817 | } | |
818 | } | |
819 | ||
f2181eff MM |
820 | for (j = 0; j < 9; j++) { |
821 | if (model_ptr->nr_mtcrf_crs[j]) { | |
822 | tail->next = ZALLOC(model_print); | |
823 | tail = tail->next; | |
824 | tail->count = model_ptr->nr_mtcrf_crs[j]; | |
825 | tail->name = ppc_nr_mtcrf_crs[j]; | |
826 | tail->suffix_plural = " instructions"; | |
827 | tail->suffix_singular = " instruction"; | |
828 | } | |
829 | } | |
830 | ||
4a0351ab | 831 | nr_insns = 0; |
845ff5a4 | 832 | for (i = PPC_UNIT_BAD; i < nr_ppc_function_units; i++) { |
80948f39 | 833 | if (model_ptr->nr_units[i]) { |
4a0351ab | 834 | nr_insns += model_ptr->nr_units[i]; |
80948f39 MM |
835 | tail->next = ZALLOC(model_print); |
836 | tail = tail->next; | |
837 | tail->count = model_ptr->nr_units[i]; | |
838 | tail->name = ppc_function_unit_name[i]; | |
839 | tail->suffix_plural = "s"; | |
840 | tail->suffix_singular = ""; | |
841 | } | |
842 | } | |
845ff5a4 | 843 | |
4a0351ab MM |
844 | tail->next = ZALLOC(model_print); |
845 | tail = tail->next; | |
846 | tail->count = nr_insns; | |
847 | tail->name = "instruction"; | |
848 | tail->suffix_plural = "s that were accounted for in timing info"; | |
849 | tail->suffix_singular = " that was accounted for in timing info"; | |
850 | ||
80948f39 MM |
851 | tail->next = (model_print *)0; |
852 | return head; | |
853 | ||
854 | void::model-function::model_mon_info_free:model_data *model_ptr, model_print *ptr | |
80948f39 | 855 | while (ptr) { |
54e98699 | 856 | model_print *next = ptr->next; |
80948f39 MM |
857 | free((void *)ptr); |
858 | ptr = next; | |
859 | } | |
28816f45 | 860 | |
46c065ab | 861 | void::model-function::model_branches:model_data *model_ptr, int failed, int conditional |
54e98699 | 862 | model_ptr->nr_units[PPC_UNIT_BPU]++; |
84bbbc35 MM |
863 | if (failed) |
864 | model_ptr->nr_branches_fallthrough++; | |
865 | else | |
866 | model_ptr->nr_branches++; | |
46c065ab MM |
867 | if (conditional >= 0) |
868 | model_ptr->nr_branch_conditional[conditional]++; | |
54e98699 | 869 | model_new_cycle(model_ptr); /* A branch always ends the current cycle */ |
84bbbc35 MM |
870 | |
871 | void::model-function::model_branch_predict:model_data *model_ptr, int success | |
872 | if (success) | |
873 | model_ptr->nr_branch_predict_trues++; | |
874 | else | |
875 | model_ptr->nr_branch_predict_falses++; | |
c143ef62 | 876 | |
4a0351ab | 877 | \f |
c143ef62 MM |
878 | # The following (illegal) instruction is `known' by gen and is |
879 | # called when ever an illegal instruction is encountered | |
880 | ::internal::illegal | |
881 | program_interrupt(processor, cia, | |
882 | illegal_instruction_program_interrupt); | |
883 | return 0; | |
884 | ||
885 | ||
886 | # The following (floating point unavailable) instruction is `known' by gen | |
887 | # and is called when ever an a floating point instruction is to be | |
888 | # executed but floating point is make unavailable by the MSR | |
889 | ::internal::floating_point_unavailable | |
890 | floating_point_unavailable_interrupt(processor, cia); | |
891 | return 0; | |
892 | ||
893 | ||
894 | # | |
895 | # Floating point support functions | |
896 | # | |
897 | ||
898 | # Convert 32bit single to 64bit double | |
899 | unsigned64::function::DOUBLE:unsigned32 WORD | |
900 | unsigned64 FRT; | |
901 | if (EXTRACTED32(WORD, 1, 8) > 0 | |
902 | && EXTRACTED32(WORD, 1, 8) < 255) { | |
903 | /* normalized operand */ | |
904 | int not_word_1_1 = !EXTRACTED32(WORD, 1, 1); /*2.6.3 bug*/ | |
905 | FRT = (INSERTED64(EXTRACTED32(WORD, 0, 1), 0, 1) | |
906 | | INSERTED64(not_word_1_1, 2, 2) | |
907 | | INSERTED64(not_word_1_1, 3, 3) | |
908 | | INSERTED64(not_word_1_1, 4, 4) | |
909 | | INSERTED64(EXTRACTED32(WORD, 2, 31), 5, (63 - 29))); | |
910 | } | |
911 | else if (EXTRACTED32(WORD, 1, 8) == 0 | |
912 | && EXTRACTED32(WORD, 9, 31) != 0) { | |
913 | /* denormalized operand */ | |
914 | int sign = EXTRACTED32(WORD, 0, 0); | |
915 | int exp = -126; | |
916 | unsigned64 frac = INSERTED64(EXTRACTED32(WORD, 9, 31), 1, (52 - 29)); | |
917 | /* normalize the operand */ | |
918 | while (MASKED64(frac, 0, 0) == 0) { | |
919 | frac <<= 1; | |
920 | exp -= 1; | |
921 | } | |
922 | FRT = (INSERTED64(sign, 0, 0) | |
923 | | INSERTED64(exp + 1023, 1, 11) | |
924 | | INSERTED64(EXTRACTED64(frac, 1, 52), 12, 63)); | |
925 | } | |
926 | else if (EXTRACTED32(WORD, 1, 8) == 255 | |
927 | || EXTRACTED32(WORD, 1, 31) == 0) { | |
928 | FRT = (INSERTED64(EXTRACTED32(WORD, 0, 1), 0, 1) | |
929 | | INSERTED64(EXTRACTED32(WORD, 1, 1), 2, 2) | |
930 | | INSERTED64(EXTRACTED32(WORD, 1, 1), 3, 3) | |
931 | | INSERTED64(EXTRACTED32(WORD, 1, 1), 4, 4) | |
932 | | INSERTED64(EXTRACTED32(WORD, 2, 31), 5, (63 - 29))); | |
933 | } | |
934 | else { | |
935 | error("DOUBLE - unknown case\n"); | |
936 | FRT = 0; | |
937 | } | |
938 | return FRT; | |
939 | ||
940 | # Convert 64bit single to 32bit double | |
941 | unsigned32::function::SINGLE:unsigned64 FRS | |
942 | unsigned32 WORD; | |
943 | if (EXTRACTED64(FRS, 1, 11) > 896 | |
944 | || EXTRACTED64(FRS, 1, 63) == 0) { | |
945 | /* no denormalization required (includes Zero/Infinity/NaN) */ | |
946 | WORD = (INSERTED32(EXTRACTED64(FRS, 0, 1), 0, 1) | |
947 | | INSERTED32(EXTRACTED64(FRS, 5, 34), 2, 31)); | |
948 | } | |
949 | else if (874 <= EXTRACTED64(FRS, 1, 11) | |
950 | && EXTRACTED64(FRS, 1, 11) <= 896) { | |
951 | /* denormalization required */ | |
952 | int sign = EXTRACTED64(FRS, 0, 0); | |
953 | int exp = EXTRACTED64(FRS, 1, 11) - 1023; | |
954 | unsigned64 frac = (BIT64(0) | |
955 | | INSERTED64(EXTRACTED64(FRS, 12, 63), 1, 52)); | |
956 | /* denormalize the operand */ | |
957 | while (exp < -126) { | |
958 | frac = INSERTED64(EXTRACTED64(frac, 0, 62), 1, 63); | |
959 | exp += 1; | |
960 | } | |
961 | WORD = (INSERTED32(sign, 0, 0) | |
962 | | INSERTED32(0x00, 1, 8) | |
963 | | INSERTED32(EXTRACTED64(frac, 1, 23), 9, 31)); | |
964 | } | |
965 | else { | |
966 | WORD = 0x0; /* ??? */ | |
967 | } | |
968 | return WORD; | |
969 | ||
970 | ||
971 | # round 64bit double to 64bit but single | |
972 | void::function::Round_Single:cpu *processor, int sign, int *exp, unsigned64 *frac_grx | |
973 | /* comparisons ignore u bits */ | |
974 | unsigned64 out; | |
975 | int inc = 0; | |
976 | int lsb = EXTRACTED64(*frac_grx, 23, 23); | |
977 | int gbit = EXTRACTED64(*frac_grx, 24, 24); | |
978 | int rbit = EXTRACTED64(*frac_grx, 25, 25); | |
979 | int xbit = EXTRACTED64(*frac_grx, 26, 55) != 0; | |
980 | if ((FPSCR & fpscr_rn) == fpscr_rn_round_to_nearest) { | |
981 | if (lsb == 1 && gbit == 1) inc = 1; | |
982 | if (lsb == 0 && gbit == 1 && rbit == 1) inc = 1; | |
983 | if (lsb == 0 && gbit == 1 && xbit == 1) inc = 1; | |
984 | } | |
985 | if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_pos_infinity) { | |
986 | if (sign == 0 && gbit == 1) inc = 1; | |
987 | if (sign == 0 && rbit == 1) inc = 1; | |
988 | if (sign == 0 && xbit == 1) inc = 1; | |
989 | } | |
990 | if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_neg_infinity) { | |
991 | if (sign == 1 && gbit == 1) inc = 1; | |
992 | if (sign == 1 && rbit == 1) inc = 1; | |
993 | if (sign == 1 && xbit == 1) inc = 1; | |
994 | } | |
995 | /* work out addition in low 25 bits of out */ | |
996 | out = EXTRACTED64(*frac_grx, 0, 23) + inc; | |
997 | *frac_grx = INSERTED64(out, 0, 23); | |
998 | if (out & BIT64(64 - 23 - 1 - 1)) { | |
999 | *frac_grx = (BIT64(0) | | |
1000 | INSERTED64(EXTRACTED64(*frac_grx, 0, 22), 1, 23)); | |
1001 | *exp = *exp + 1; | |
1002 | } | |
1003 | /* frac_grx[24:52] = 0 already */ | |
1004 | FPSCR_SET_FR(inc); | |
1005 | FPSCR_SET_FI(gbit || rbit || xbit); | |
1006 | ||
1007 | ||
1008 | # | |
1009 | void::function::Round_Integer:cpu *processor, int sign, unsigned64 *frac, int *frac64, int gbit, int rbit, int xbit, fpscreg round_mode | |
1010 | int inc = 0; | |
1011 | if (round_mode == fpscr_rn_round_to_nearest) { | |
1012 | if (*frac64 == 1 && gbit == 1) inc = 1; | |
1013 | if (*frac64 == 0 && gbit == 1 && rbit == 1) inc = 1; | |
1014 | if (*frac64 == 0 && gbit == 1 && xbit == 1) inc = 1; | |
1015 | } | |
1016 | if (round_mode == fpscr_rn_round_towards_pos_infinity) { | |
1017 | if (sign == 0 && gbit == 1) inc = 1; | |
1018 | if (sign == 0 && rbit == 1) inc = 1; | |
1019 | if (sign == 0 && xbit == 1) inc = 1; | |
1020 | } | |
1021 | if (round_mode == fpscr_rn_round_towards_neg_infinity) { | |
1022 | if (sign == 1 && gbit == 1) inc = 1; | |
1023 | if (sign == 1 && rbit == 1) inc = 1; | |
1024 | if (sign == 1 && xbit == 1) inc = 1; | |
1025 | } | |
1026 | /* frac[0:64] = frac[0:64} + inc */ | |
1027 | *frac += (*frac64 && inc ? 1 : 0); | |
1028 | *frac64 = (*frac64 + inc) & 0x1; | |
1029 | FPSCR_SET_FR(inc); | |
1030 | FPSCR_SET_FI(gbit | rbit | xbit); | |
845ff5a4 | 1031 | |
c143ef62 MM |
1032 | |
1033 | void::function::Round_Float:cpu *processor, int sign, int *exp, unsigned64 *frac, fpscreg round_mode | |
1034 | int carry_out; | |
1035 | int inc = 0; | |
1036 | int lsb = EXTRACTED64(*frac, 52, 52); | |
1037 | int gbit = EXTRACTED64(*frac, 53, 53); | |
1038 | int rbit = EXTRACTED64(*frac, 54, 54); | |
1039 | int xbit = EXTRACTED64(*frac, 55, 55); | |
1040 | if (round_mode == fpscr_rn_round_to_nearest) { | |
1041 | if (lsb == 1 && gbit == 1) inc = 1; | |
1042 | if (lsb == 0 && gbit == 1 && rbit == 1) inc = 1; | |
1043 | if (lsb == 0 && gbit == 1 && xbit == 1) inc = 1; | |
1044 | } | |
1045 | if (round_mode == fpscr_rn_round_towards_pos_infinity) { | |
1046 | if (sign == 0 && gbit == 1) inc = 1; | |
1047 | if (sign == 0 && rbit == 1) inc = 1; | |
1048 | if (sign == 0 && xbit == 1) inc = 1; | |
1049 | } | |
1050 | if (round_mode == fpscr_rn_round_towards_neg_infinity) { | |
1051 | if (sign == 1 && gbit == 1) inc = 1; | |
1052 | if (sign == 1 && rbit == 1) inc = 1; | |
1053 | if (sign == 1 && xbit == 1) inc = 1; | |
1054 | } | |
1055 | /* frac//carry_out = frac + inc */ | |
1056 | *frac = (*frac >> 1) + (INSERTED64(inc, 52, 52) >> 1); | |
1057 | carry_out = EXTRACTED64(*frac, 0, 0); | |
1058 | *frac <<= 1; | |
1059 | if (carry_out == 1) *exp = *exp + 1; | |
1060 | FPSCR_SET_FR(inc); | |
1061 | FPSCR_SET_FI(gbit | rbit | xbit); | |
1062 | FPSCR_SET_XX(FPSCR & fpscr_fi); | |
1063 | ||
1064 | ||
1065 | # conversion of FP to integer | |
1066 | void::function::convert_to_integer:cpu *processor, unsigned_word cia, unsigned64 *frt, unsigned64 frb, fpscreg round_mode, int tgt_precision | |
1067 | int i; | |
1068 | int exp = 0; | |
1069 | unsigned64 frac = 0; | |
1070 | int frac64 = 0; | |
1071 | int gbit = 0; | |
1072 | int rbit = 0; | |
1073 | int xbit = 0; | |
1074 | int sign = EXTRACTED64(frb, 0, 0); | |
1075 | if (EXTRACTED64(frb, 1, 11) == 2047 && EXTRACTED64(frb, 12, 63) == 0) | |
1076 | goto Infinity_Operand; | |
1077 | if (EXTRACTED64(frb, 1, 11) == 2047 && EXTRACTED64(frb, 12, 12) == 0) | |
1078 | goto SNaN_Operand; | |
1079 | if (EXTRACTED64(frb, 1, 11) == 2047 && EXTRACTED64(frb, 12, 12) == 1) | |
1080 | goto QNaN_Operand; | |
1081 | if (EXTRACTED64(frb, 1, 11) > 1086) goto Large_Operand; | |
1082 | if (EXTRACTED64(frb, 1, 11) > 0) exp = EXTRACTED64(frb, 1, 11) - 1023; | |
1083 | if (EXTRACTED64(frb, 1, 11) == 0) exp = -1022; | |
1084 | if (EXTRACTED64(frb, 1, 11) > 0) { /* normal */ | |
1085 | frac = BIT64(1) | INSERTED64(EXTRACTED64(frb, 12, 63), 2, 53); | |
1086 | frac64 = 0; | |
1087 | } | |
1088 | if (EXTRACTED64(frb, 1, 11) == 0) { /* denorm */ | |
1089 | frac = INSERTED64(EXTRACTED64(frb, 12, 63), 2, 53); | |
1090 | frac64 = 0; | |
1091 | } | |
1092 | gbit = 0, rbit = 0, xbit = 0; | |
1093 | for (i = 1; i <= 63 - exp; i++) { | |
1094 | xbit = rbit | xbit; | |
1095 | rbit = gbit; | |
1096 | gbit = frac64; | |
1097 | frac64 = EXTRACTED64(frac, 63, 63); | |
1098 | frac = INSERTED64(EXTRACTED64(frac, 0, 62), 1, 63); | |
1099 | } | |
1100 | Round_Integer(processor, sign, &frac, &frac64, gbit, rbit, xbit, round_mode); | |
1101 | if (sign == 1) { /* frac[0:64] = ~frac[0:64] + 1 */ | |
1102 | frac = ~frac; | |
1103 | frac64 ^= 1; | |
1104 | frac += (frac64 ? 1 : 0); | |
1105 | frac64 = (frac64 + 1) & 0x1; | |
1106 | } | |
1107 | if (tgt_precision == 32 /* can ignore frac64 in compare */ | |
1108 | && (signed64)frac > (signed64)MASK64(33+1, 63)/*2^31-1 >>1*/) | |
1109 | goto Large_Operand; | |
1110 | if (tgt_precision == 64 /* can ignore frac64 in compare */ | |
1111 | && (signed64)frac > (signed64)MASK64(1+1, 63)/*2^63-1 >>1*/) | |
1112 | goto Large_Operand; | |
1113 | if (tgt_precision == 32 /* can ignore frac64 in compare */ | |
1114 | && (signed64)frac < (signed64)MASK64(0, 32+1)/*-2^31 >>1*/) | |
1115 | goto Large_Operand; | |
1116 | if (tgt_precision == 64 /* can ignore frac64 in compare */ | |
1117 | && (signed64)frac < (signed64)MASK64(0, 0+1)/*-2^63 >>1*/) | |
1118 | goto Large_Operand; | |
1119 | FPSCR_SET_XX(FPSCR & fpscr_fi); | |
1120 | if (tgt_precision == 32) | |
1121 | *frt = MASKED64(*frt, 0, 31) | (EXTRACTED64(frac, 33, 63) << 1) | frac64; | |
1122 | if (tgt_precision == 64) | |
1123 | *frt = (EXTRACTED64(frac, 1, 63) << 1) | frac64; | |
1124 | /*FPSCR[fprf] = undefined */ | |
1125 | goto Done; | |
1126 | /**/ | |
1127 | Infinity_Operand: | |
1128 | FPSCR_SET_FR(0); | |
1129 | FPSCR_SET_FI(0); | |
1130 | FPSCR_OR_VX(fpscr_vxcvi); | |
1131 | if ((FPSCR & fpscr_ve) == 0) { | |
1132 | if (tgt_precision == 32) { | |
1133 | if (sign == 0) *frt = MASKED64(*frt, 0, 31) | 0x7FFFFFFF; | |
1134 | if (sign == 1) *frt = MASKED64(*frt, 0, 31) | 0x80000000; | |
1135 | } | |
1136 | else { | |
1137 | if (sign == 0) *frt = MASK64(1, 63); /*0x7FFF_FFFF_FFFF_FFFF*/ | |
1138 | if (sign == 1) *frt = BIT64(0); /*0x8000_0000_0000_0000*/ | |
1139 | } | |
1140 | /* FPSCR[FPRF] = undefined */ | |
1141 | } | |
1142 | goto Done; | |
1143 | /**/ | |
1144 | SNaN_Operand: | |
1145 | FPSCR_SET_FR(0); | |
1146 | FPSCR_SET_FI(0); | |
1147 | FPSCR_OR_VX(fpscr_vxsnan | fpscr_vxcvi); | |
1148 | if ((FPSCR & fpscr_ve) == 0) { | |
1149 | if (tgt_precision == 32) *frt = MASKED64(*frt, 0, 31) | 0x80000000; | |
1150 | if (tgt_precision == 64) *frt = BIT64(0); /*0x8000_0000_0000_0000*/ | |
1151 | /* FPSCR[fprf] = undefined */ | |
1152 | } | |
1153 | goto Done; | |
1154 | /**/ | |
1155 | QNaN_Operand: | |
1156 | FPSCR_SET_FR(0); | |
1157 | FPSCR_SET_FI(0); | |
1158 | FPSCR_OR_VX(fpscr_vxcvi); | |
1159 | if ((FPSCR & fpscr_ve) == 0) { | |
1160 | if (tgt_precision == 32) *frt = MASKED64(*frt, 0, 31) | 0x80000000; | |
1161 | if (tgt_precision == 64) *frt = BIT64(0);/*0x8000_0000_0000_0000*/ | |
1162 | /* FPSCR[fprf] = undefined */ | |
1163 | } | |
1164 | goto Done; | |
1165 | /**/ | |
1166 | Large_Operand: | |
1167 | FPSCR_SET_FR(0); | |
1168 | FPSCR_SET_FI(0); | |
1169 | FPSCR_OR_VX(fpscr_vxcvi); | |
1170 | if ((FPSCR & fpscr_ve) == 0) { | |
1171 | if (tgt_precision == 32) { | |
1172 | if (sign == 0) *frt = MASKED64(*frt, 0, 31) | 0x7fffffff; | |
1173 | if (sign == 1) *frt = MASKED64(*frt, 0, 31) | 0x80000000; | |
1174 | } | |
1175 | else { | |
1176 | if (sign == 0) *frt = MASK64(1, 63); /*0x7FFF_FFFF_FFFF_FFFF*/ | |
1177 | if (sign == 1) *frt = BIT64(0); /*0x8000_0000_0000_0000*/ | |
1178 | } | |
1179 | /* FPSCR[fprf] = undefined */ | |
1180 | } | |
1181 | /**/ | |
1182 | Done: | |
1183 | ||
1184 | ||
1185 | # extract out raw fields of a FP number | |
1186 | int::function::sign:unsigned64 FRS | |
1187 | return (MASKED64(FRS, 0, 0) | |
1188 | ? -1 | |
1189 | : 1); | |
1190 | int::function::biased_exp:unsigned64 frs, int single | |
1191 | if (single) | |
1192 | return EXTRACTED64(frs, 1, 8); | |
1193 | else | |
1194 | return EXTRACTED64(frs, 1, 11); | |
1195 | unsigned64::function::fraction:unsigned64 frs, int single | |
1196 | if (single) | |
1197 | return EXTRACTED64(frs, 9, 31); | |
1198 | else | |
1199 | return EXTRACTED64(frs, 12, 63); | |
1200 | ||
1201 | # a number?, each of the below return +1 or -1 (based on sign bit) | |
1202 | # if true. | |
1203 | int::function::is_nor:unsigned64 frs, int single | |
1204 | int exp = biased_exp(frs, single); | |
1205 | return (exp >= 1 | |
1206 | && exp <= (single ? 254 : 2046)); | |
1207 | int::function::is_zero:unsigned64 FRS | |
1208 | return (MASKED64(FRS, 1, 63) == 0 | |
1209 | ? sign(FRS) | |
1210 | : 0); | |
1211 | int::function::is_den:unsigned64 frs, int single | |
1212 | int exp = biased_exp(frs, single); | |
1213 | unsigned64 frac = fraction(frs, single); | |
1214 | return (exp == 0 && frac != 0 | |
1215 | ? sign(frs) | |
1216 | : 0); | |
1217 | int::function::is_inf:unsigned64 frs, int single | |
1218 | int exp = biased_exp(frs, single); | |
1219 | int frac = fraction(frs, single); | |
1220 | return (exp == (single ? 255 : 2047) && frac == 0 | |
1221 | ? sign(frs) | |
1222 | : 0); | |
1223 | int::function::is_NaN:unsigned64 frs, int single | |
1224 | int exp = biased_exp(frs, single); | |
1225 | int frac = fraction(frs, single); | |
1226 | return (exp == (single ? 255 : 2047) && frac != 0 | |
1227 | ? sign(frs) | |
1228 | : 0); | |
1229 | int::function::is_SNaN:unsigned64 frs, int single | |
1230 | return (is_NaN(frs, single) | |
1231 | && !(frs & (single ? MASK64(9, 9) : MASK64(12, 12))) | |
1232 | ? sign(frs) | |
1233 | : 0); | |
1234 | int::function::is_QNaN:unsigned64 frs, int single | |
1235 | return (is_NaN(frs, single) && !is_SNaN(frs, single)); | |
1236 | int::function::is_less_than:unsigned64 *fra, unsigned64 *frb | |
1237 | return *(double*)fra < *(double*)frb; | |
1238 | int::function::is_greater_than:unsigned64 *fra, unsigned64 *frb | |
1239 | return *(double*)fra > *(double*)frb; | |
1240 | int::function::is_equan_to:unsigned64 *fra, unsigned64 *frb | |
1241 | return *(double*)fra == *(double*)frb; | |
845ff5a4 | 1242 | |
c143ef62 MM |
1243 | |
1244 | # which quiet nan should become the result | |
1245 | unsigned64::function::select_qnan:unsigned64 fra, unsigned64 frb, unsigned64 frc, int instruction_is_frsp, int generate_qnan, int single | |
1246 | unsigned64 frt = 0; | |
1247 | if (is_NaN(fra, single)) | |
1248 | frt = fra; | |
1249 | else if (is_NaN(frb, single)) | |
1250 | if (instruction_is_frsp) | |
1251 | frt = MASKED64(frb, 0, 34); | |
1252 | else | |
1253 | frt = frb; | |
1254 | else if (is_NaN(frc, single)) | |
1255 | frt = frc; | |
1256 | else if (generate_qnan) | |
1257 | frt = MASK64(1, 12); /* 0x7FF8_0000_0000_0000 */ | |
1258 | else | |
1259 | error("select_qnan - default reached\n"); | |
1260 | return frt; | |
845ff5a4 | 1261 | |
c143ef62 MM |
1262 | |
1263 | # detect invalid operation | |
1264 | int::function::is_invalid_operation:cpu *processor, unsigned_word cia, unsigned64 fra, unsigned64 frb, fpscreg check, int single, int negate | |
1265 | int fail = 0; | |
1266 | if ((check & fpscr_vxsnan) | |
1267 | && (is_SNaN(fra, single) || is_SNaN(frb, single))) { | |
1268 | FPSCR_OR_VX(fpscr_vxsnan); | |
1269 | fail = 1; | |
1270 | } | |
1271 | if ((check & fpscr_vxisi) | |
1272 | && (is_inf(fra, single) && is_inf(frb, single)) | |
1273 | && ((negate && sign(fra) != sign(frb)) | |
1274 | || (!negate && sign(fra) == sign(frb)))) { | |
1275 | /*FIXME: don't handle inf-inf VS inf+-inf */ | |
1276 | FPSCR_OR_VX(fpscr_vxisi); | |
1277 | fail = 1; | |
1278 | } | |
1279 | if ((check & fpscr_vxidi) | |
1280 | && (is_inf(fra, single) && is_inf(frb, single))) { | |
1281 | FPSCR_OR_VX(fpscr_vxidi); | |
1282 | fail = 1; | |
1283 | } | |
1284 | if ((check & fpscr_vxzdz) | |
1285 | && (is_zero(fra) && is_zero(frb))) { | |
1286 | FPSCR_OR_VX(fpscr_vxzdz); | |
1287 | fail = 1; | |
1288 | } | |
1289 | if ((check & fpscr_vximz) | |
1290 | && (is_zero(fra) && is_inf(frb, single))) { | |
1291 | FPSCR_OR_VX(fpscr_vximz); | |
1292 | fail = 1; | |
1293 | } | |
1294 | if ((check & fpscr_vxvc) | |
1295 | && (is_NaN(fra, single) || is_NaN(frb, single))) { | |
1296 | FPSCR_OR_VX(fpscr_vxvc); | |
1297 | fail = 1; | |
1298 | } | |
1299 | if ((check & fpscr_vxsoft)) { | |
1300 | FPSCR_OR_VX(fpscr_vxsoft); | |
1301 | fail = 1; | |
1302 | } | |
1303 | if ((check & fpscr_vxsqrt) | |
1304 | && sign(fra) < 0) { | |
1305 | FPSCR_OR_VX(fpscr_vxsqrt); | |
1306 | fail = 1; | |
1307 | } | |
1308 | /* if ((check && fpscr_vxcvi) { | |
1309 | && (is_inf(fra, single) || is_NaN(fra, single) || is_large(fra, single))) | |
1310 | FPSCR_OR_VX(fpscr_vxcvi); | |
1311 | fail = 1; | |
1312 | } | |
1313 | */ | |
1314 | return fail; | |
1315 | ||
1316 | ||
845ff5a4 | 1317 | |
c143ef62 MM |
1318 | |
1319 | ||
1320 | # handle case of invalid operation | |
1321 | void::function::invalid_arithemetic_operation:cpu *processor, unsigned_word cia, unsigned64 *frt, unsigned64 fra, unsigned64 frb, unsigned64 frc, int instruction_is_frsp, int instruction_is_convert_to_64bit, int instruction_is_convert_to_32bit, int single | |
1322 | if (FPSCR & fpscr_ve) { | |
1323 | /* invalid operation exception enabled */ | |
1324 | /* FRT unchaged */ | |
1325 | FPSCR_SET_FR(0); | |
1326 | FPSCR_SET_FI(0); | |
1327 | /* fpscr_FPRF unchanged */ | |
1328 | } | |
1329 | else { | |
1330 | /* invalid operation exception disabled */ | |
1331 | if (instruction_is_convert_to_64bit) { | |
1332 | error("oopsi"); | |
1333 | } | |
1334 | else if (instruction_is_convert_to_32bit) { | |
1335 | error("oopsi"); | |
1336 | } | |
1337 | else { /* arrith, frsp */ | |
1338 | *frt = select_qnan(fra, frb, frc, | |
1339 | instruction_is_frsp, 0/*generate*/, single); | |
1340 | FPSCR_SET_FR(0); | |
1341 | FPSCR_SET_FI(0); | |
1342 | FPSCR_SET_FPRF(fpscr_rf_quiet_nan); | |
1343 | } | |
1344 | } | |
1345 | ||
1346 | ||
1347 | ||
1348 | ||
1349 | # | |
1350 | # I.2.4.1 Branch Instructions | |
1351 | # | |
1352 | 0.18,6.LI,30.AA,31.LK:I:t::Branch | |
54e98699 MM |
1353 | *601: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
1354 | *603: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
1355 | *603e:PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
1356 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
c143ef62 MM |
1357 | if (AA) NIA = IEA(EXTS(LI_0b00)); |
1358 | else NIA = IEA(CIA + EXTS(LI_0b00)); | |
1359 | if (LK) LR = (spreg)CIA+4; | |
46c065ab | 1360 | model_branches(cpu_model(processor), 1, -1); |
84bbbc35 | 1361 | |
c143ef62 | 1362 | 0.16,6.BO,11.BI,16.BD,30.AA,31.LK:B:t::Branch Conditional |
54e98699 MM |
1363 | *601: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
1364 | *603: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
1365 | *603e:PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
1366 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
84bbbc35 | 1367 | int M, ctr_ok, cond_ok, succeed; |
54e98699 MM |
1368 | if (! BO{0}) |
1369 | model_wait_for_cr(cpu_model(processor), BIT32_BI); | |
c143ef62 MM |
1370 | if (is_64bit_implementation && is_64bit_mode) M = 0; |
1371 | else M = 32; | |
1372 | if (!BO{2}) CTR = CTR - 1; | |
1373 | ctr_ok = BO{2} || ((MASKED(CTR, M, 63) != 0) != (BO{3})); | |
1374 | cond_ok = BO{0} || ((CR{BI}) == (BO{1})); | |
84bbbc35 | 1375 | if (ctr_ok && cond_ok) { |
c143ef62 MM |
1376 | if (AA) NIA = IEA(EXTS(BD_0b00)); |
1377 | else NIA = IEA(CIA + EXTS(BD_0b00)); | |
84bbbc35 MM |
1378 | succeed = 1; |
1379 | } | |
1380 | else | |
1381 | succeed = 0; | |
c143ef62 | 1382 | if (LK) LR = (spreg)IEA(CIA + 4); |
46c065ab | 1383 | model_branches(cpu_model(processor), succeed, BO); |
84bbbc35 MM |
1384 | if (! BO{0}) { |
1385 | int reverse; | |
1386 | if (BO{4}) { /* branch prediction bit set, reverse sense of test */ | |
1387 | reverse = EXTS(BD_0b00) < 0; | |
1388 | } else { /* branch prediction bit not set */ | |
1389 | reverse = EXTS(BD_0b00) >= 0; | |
1390 | } | |
1391 | model_branch_predict(cpu_model(processor), reverse ? !succeed : succeed); | |
1392 | } | |
1393 | ||
c143ef62 | 1394 | 0.19,6.BO,11.BI,16./,21.16,31.LK:XL:t::Branch Conditional to Link Register |
54e98699 MM |
1395 | *601: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
1396 | *603: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
1397 | *603e:PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
1398 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
84bbbc35 | 1399 | int M, ctr_ok, cond_ok, succeed; |
c143ef62 MM |
1400 | if (is_64bit_implementation && is_64bit_mode) M = 0; |
1401 | else M = 32; | |
54e98699 MM |
1402 | if (! BO{0}) |
1403 | model_wait_for_cr(cpu_model(processor), BIT32_BI); | |
c143ef62 MM |
1404 | if (!BO{2}) CTR = CTR - 1; |
1405 | ctr_ok = BO{2} || ((MASKED(CTR, M, 63) != 0) != BO{3}); | |
1406 | cond_ok = BO{0} || (CR{BI} == BO{1}); | |
84bbbc35 MM |
1407 | if (ctr_ok && cond_ok) { |
1408 | NIA = IEA(LR_0b00); | |
1409 | succeed = 1; | |
1410 | } | |
1411 | else | |
1412 | succeed = 0; | |
c143ef62 | 1413 | if (LK) LR = (spreg)IEA(CIA + 4); |
46c065ab | 1414 | model_branches(cpu_model(processor), succeed, BO); |
84bbbc35 MM |
1415 | if (! BO{0}) |
1416 | model_branch_predict(cpu_model(processor), BO{4} ? !succeed : succeed); | |
1417 | ||
c143ef62 | 1418 | 0.19,6.BO,11.BI,16./,21.528,31.LK:XL:t::Branch Conditional to Count Register |
54e98699 MM |
1419 | *601: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
1420 | *603: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
1421 | *603e:PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
1422 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
84bbbc35 | 1423 | int cond_ok, succeed; |
54e98699 MM |
1424 | if (! BO{0}) |
1425 | model_wait_for_cr(cpu_model(processor), BIT32_BI); | |
c143ef62 | 1426 | cond_ok = BO{0} || (CR{BI} == BO{1}); |
84bbbc35 MM |
1427 | if (cond_ok) { |
1428 | NIA = IEA(CTR_0b00); | |
1429 | succeed = 1; | |
1430 | } | |
1431 | else | |
1432 | succeed = 0; | |
c143ef62 | 1433 | if (LK) LR = (spreg)IEA(CIA + 4); |
46c065ab | 1434 | model_branches(cpu_model(processor), succeed, BO); |
84bbbc35 MM |
1435 | if (! BO{0}) |
1436 | model_branch_predict(cpu_model(processor), BO{4} ? !succeed : succeed); | |
c143ef62 MM |
1437 | |
1438 | # | |
1439 | # I.2.4.2 System Call Instruction | |
1440 | # | |
1441 | 0.17,6./,11./,16./,30.1,31./:SC:t::System Call | |
54e98699 MM |
1442 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
1443 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 | |
1444 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 | |
1445 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
1446 | model_serialize(my_index, cpu_model(processor)); | |
c143ef62 MM |
1447 | system_call_interrupt(processor, cia); |
1448 | ||
1449 | # | |
1450 | # I.2.4.3 Condition Register Logical Instructions | |
1451 | # | |
1452 | 0.19,6.BT,11.BA,16.BB,21.257,31./:XL::crand:Condition Register AND | |
54e98699 MM |
1453 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
1454 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
1455 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
1456 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
c143ef62 | 1457 | BLIT32(CR, BT, CR{BA} && CR{BB}); |
f2181eff | 1458 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
845ff5a4 | 1459 | |
c143ef62 | 1460 | 0.19,6.BT,11.BA,16.BB,21.449,31./:XL::cror:Condition Register OR |
54e98699 MM |
1461 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
1462 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
1463 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
1464 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
c143ef62 | 1465 | BLIT32(CR, BT, CR{BA} || CR{BB}); |
f2181eff | 1466 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
845ff5a4 | 1467 | |
c143ef62 | 1468 | 0.19,6.BT,11.BA,16.BB,21.193,31./:XL::crxor:Condition Register XOR |
54e98699 MM |
1469 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
1470 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
1471 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
1472 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
c143ef62 | 1473 | BLIT32(CR, BT, CR{BA} != CR{BB}); |
f2181eff | 1474 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
845ff5a4 | 1475 | |
c143ef62 | 1476 | 0.19,6.BT,11.BA,16.BB,21.225,31./:XL::crnand:Condition Register NAND |
54e98699 MM |
1477 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
1478 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
1479 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
1480 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
c143ef62 | 1481 | BLIT32(CR, BT, !(CR{BA} && CR{BB})); |
f2181eff | 1482 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
845ff5a4 | 1483 | |
c143ef62 | 1484 | 0.19,6.BT,11.BA,16.BB,21.33,31./:XL::crnor:Condition Register NOR |
54e98699 MM |
1485 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
1486 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
1487 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
1488 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
c143ef62 | 1489 | BLIT32(CR, BT, !(CR{BA} || CR{BB})); |
f2181eff | 1490 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
845ff5a4 | 1491 | |
c143ef62 | 1492 | 0.19,6.BT,11.BA,16.BB,21.289,31./:XL::creqv:Condition Register Equivalent |
54e98699 MM |
1493 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
1494 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
1495 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
1496 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
c143ef62 | 1497 | BLIT32(CR, BT, CR{BA} == CR{BB}); |
f2181eff | 1498 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
845ff5a4 | 1499 | |
c143ef62 | 1500 | 0.19,6.BT,11.BA,16.BB,21.129,31./:XL::crandc:Condition Register AND with Complement |
54e98699 MM |
1501 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
1502 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
1503 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
1504 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
c143ef62 | 1505 | BLIT32(CR, BT, CR{BA} && !CR{BB}); |
f2181eff | 1506 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
845ff5a4 | 1507 | |
c143ef62 | 1508 | 0.19,6.BT,11.BA,16.BB,21.417,31./:XL::crorc:Condition Register OR with Complement |
54e98699 MM |
1509 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
1510 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
1511 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
1512 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
c143ef62 | 1513 | BLIT32(CR, BT, CR{BA} || !CR{BB}); |
f2181eff | 1514 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
c143ef62 MM |
1515 | |
1516 | # | |
1517 | # I.2.4.4 Condition Register Field Instruction | |
1518 | # | |
1519 | 0.19,6.BF,9./,11.BFA,14./,16./,21.0,31./:XL:::Move Condition Register Field | |
54e98699 MM |
1520 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
1521 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
1522 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
1523 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
c143ef62 | 1524 | MBLIT32(CR, 4*BF, 4*BF+3, EXTRACTED32(CR, 4*BFA, 4*BFA+3)); |
f2181eff | 1525 | PPC_INSN_CR(BF_BITMASK, 1 << BFA); |
c143ef62 MM |
1526 | |
1527 | ||
1528 | # | |
1529 | # I.3.3.2 Fixed-Point Load Instructions | |
1530 | # | |
1531 | ||
1532 | 0.34,6.RT,11.RA,16.D:D:::Load Byte and Zero | |
54e98699 MM |
1533 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
1534 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1535 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1536 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
c143ef62 MM |
1537 | unsigned_word b; |
1538 | unsigned_word EA; | |
1539 | if (RA == 0) b = 0; | |
1540 | else b = *rA; | |
1541 | EA = b + EXTS(D); | |
1542 | *rT = MEM(unsigned, EA, 1); | |
45525d8d | 1543 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); |
54e98699 | 1544 | |
845ff5a4 | 1545 | |
c143ef62 | 1546 | 0.31,6.RT,11.RA,16.RB,21.87,31./:X:::Load Byte and Zero Indexed |
54e98699 MM |
1547 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
1548 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1549 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1550 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
c143ef62 MM |
1551 | unsigned_word b; |
1552 | unsigned_word EA; | |
1553 | if (RA == 0) b = 0; | |
1554 | else b = *rA; | |
1555 | EA = b + *rB; | |
1556 | *rT = MEM(unsigned, EA, 1); | |
45525d8d | 1557 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
845ff5a4 | 1558 | |
c143ef62 | 1559 | 0.35,6.RT,11.RA,16.D:D:::Load Byte and Zero with Update |
54e98699 MM |
1560 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
1561 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1562 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1563 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
c143ef62 MM |
1564 | unsigned_word EA; |
1565 | if (RA == 0 || RA == RT) | |
1566 | program_interrupt(processor, cia, | |
1567 | illegal_instruction_program_interrupt); | |
1568 | EA = *rA + EXTS(D); | |
1569 | *rT = MEM(unsigned, EA, 1); | |
1570 | *rA = EA; | |
45525d8d | 1571 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK, 0); |
845ff5a4 | 1572 | |
c143ef62 | 1573 | 0.31,6.RT,11.RA,16.RB,21.119,31./:X:::Load Byte and Zero with Update Indexed |
54e98699 MM |
1574 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
1575 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1576 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1577 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
c143ef62 MM |
1578 | unsigned_word EA; |
1579 | if (RA == 0 || RA == RT) | |
1580 | program_interrupt(processor, cia, | |
1581 | illegal_instruction_program_interrupt); | |
1582 | EA = *rA + *rB; | |
1583 | *rT = MEM(unsigned, EA, 1); | |
1584 | *rA = EA; | |
45525d8d | 1585 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK | RB_BITMASK, 0); |
c143ef62 MM |
1586 | |
1587 | 0.40,6.RT,11.RA,16.D:D:::Load Halfword and Zero | |
54e98699 MM |
1588 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
1589 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1590 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1591 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
c143ef62 MM |
1592 | unsigned_word b; |
1593 | unsigned_word EA; | |
1594 | if (RA == 0) b = 0; | |
1595 | else b = *rA; | |
1596 | EA = b + EXTS(D); | |
1597 | *rT = MEM(unsigned, EA, 2); | |
45525d8d | 1598 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); |
845ff5a4 | 1599 | |
c143ef62 | 1600 | 0.31,6.RT,11.RA,16.RB,21.279,31./:X:::Load Halfword and Zero Indexed |
54e98699 MM |
1601 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
1602 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1603 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1604 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
c143ef62 MM |
1605 | unsigned_word b; |
1606 | unsigned_word EA; | |
1607 | if (RA == 0) b = 0; | |
1608 | else b = *rA; | |
1609 | EA = b + *rB; | |
1610 | *rT = MEM(unsigned, EA, 2); | |
45525d8d | 1611 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
54e98699 | 1612 | |
c143ef62 | 1613 | 0.41,6.RT,11.RA,16.D:D:::Load Halfword and Zero with Update |
54e98699 MM |
1614 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
1615 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1616 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1617 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
c143ef62 MM |
1618 | unsigned_word EA; |
1619 | if (RA == 0 || RA == RT) | |
1620 | program_interrupt(processor, cia, | |
1621 | illegal_instruction_program_interrupt); | |
1622 | EA = *rA + EXTS(D); | |
1623 | *rT = MEM(unsigned, EA, 2); | |
1624 | *rA = EA; | |
45525d8d | 1625 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK, 0); |
845ff5a4 | 1626 | |
c143ef62 | 1627 | 0.31,6.RT,11.RA,16.RB,21.311,31./:X:::Load Halfword and Zero with Update Indexed |
54e98699 MM |
1628 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
1629 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1630 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1631 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
c143ef62 MM |
1632 | unsigned_word EA; |
1633 | if (RA == 0 || RA == RT) | |
1634 | program_interrupt(processor, cia, | |
1635 | illegal_instruction_program_interrupt); | |
1636 | EA = *rA + *rB; | |
1637 | *rT = MEM(unsigned, EA, 2); | |
1638 | *rA = EA; | |
45525d8d | 1639 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK | RB_BITMASK, 0); |
c143ef62 MM |
1640 | |
1641 | 0.42,6.RT,11.RA,16.D:D:::Load Halfword Algebraic | |
54e98699 MM |
1642 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
1643 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1644 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1645 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
c143ef62 MM |
1646 | unsigned_word b; |
1647 | unsigned_word EA; | |
1648 | if (RA == 0) b = 0; | |
1649 | else b = *rA; | |
1650 | EA = b + EXTS(D); | |
1651 | *rT = MEM(signed, EA, 2); | |
45525d8d | 1652 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); |
845ff5a4 | 1653 | |
c143ef62 | 1654 | 0.31,6.RT,11.RA,16.RB,21.343,31./:X:::Load Halfword Algebraic Indexed |
54e98699 MM |
1655 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
1656 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1657 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1658 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
c143ef62 MM |
1659 | unsigned_word b; |
1660 | unsigned_word EA; | |
1661 | if (RA == 0) b = 0; | |
1662 | else b = *rA; | |
1663 | EA = b + *rB; | |
1664 | *rT = MEM(signed, EA, 2); | |
45525d8d | 1665 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
845ff5a4 | 1666 | |
c143ef62 | 1667 | 0.43,6.RT,11.RA,16.D:D:::Load Halfword Algebraic with Update |
54e98699 MM |
1668 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
1669 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1670 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1671 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
c143ef62 MM |
1672 | unsigned_word EA; |
1673 | if (RA == 0 || RA == RT) | |
1674 | program_interrupt(processor, cia, | |
1675 | illegal_instruction_program_interrupt); | |
1676 | EA = *rA + EXTS(D); | |
1677 | *rT = MEM(signed, EA, 2); | |
45525d8d | 1678 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK, 0); |
845ff5a4 | 1679 | |
c143ef62 | 1680 | 0.31,6.RT,11.RA,16.RB,21.375,31./:X:::Load Halfword Algebraic with Update Indexed |
54e98699 MM |
1681 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
1682 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1683 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1684 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
c143ef62 MM |
1685 | unsigned_word EA; |
1686 | if (RA == 0 || RA == RT) | |
1687 | program_interrupt(processor, cia, | |
1688 | illegal_instruction_program_interrupt); | |
1689 | EA = *rA + *rB; | |
1690 | *rT = MEM(signed, EA, 2); | |
1691 | *rA = EA; | |
45525d8d | 1692 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK | RB_BITMASK, 0); |
c143ef62 MM |
1693 | |
1694 | 0.32,6.RT,11.RA,16.D:D:::Load Word and Zero | |
54e98699 MM |
1695 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
1696 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1697 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1698 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
c143ef62 MM |
1699 | unsigned_word b; |
1700 | unsigned_word EA; | |
1701 | if (RA == 0) b = 0; | |
1702 | else b = *rA; | |
1703 | EA = b + EXTS(D); | |
1704 | *rT = MEM(unsigned, EA, 4); | |
45525d8d | 1705 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); |
845ff5a4 | 1706 | |
c143ef62 | 1707 | 0.31,6.RT,11.RA,16.RB,21.23,31./:X:::Load Word and Zero Indexed |
54e98699 MM |
1708 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
1709 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1710 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1711 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
c143ef62 MM |
1712 | unsigned_word b; |
1713 | unsigned_word EA; | |
1714 | if (RA == 0) b = 0; | |
1715 | else b = *rA; | |
1716 | EA = b + *rB; | |
1717 | *rT = MEM(unsigned, EA, 4); | |
45525d8d | 1718 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
845ff5a4 | 1719 | |
c143ef62 | 1720 | 0.33,6.RT,11.RA,16.D:D:::Load Word and Zero with Update |
54e98699 MM |
1721 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
1722 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1723 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1724 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
c143ef62 MM |
1725 | unsigned_word EA; |
1726 | if (RA == 0 || RA == RT) | |
1727 | program_interrupt(processor, cia, | |
1728 | illegal_instruction_program_interrupt); | |
1729 | EA = *rA + EXTS(D); | |
1730 | *rT = MEM(unsigned, EA, 4); | |
1731 | *rA = EA; | |
45525d8d | 1732 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK, 0); |
845ff5a4 | 1733 | |
c143ef62 | 1734 | 0.31,6.RT,11.RA,16.RB,21.55,31./:X:::Load Word and Zero with Update Indexed |
54e98699 MM |
1735 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
1736 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1737 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1738 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
c143ef62 MM |
1739 | unsigned_word EA; |
1740 | if (RA == 0 || RA == RT) | |
1741 | program_interrupt(processor, cia, | |
1742 | illegal_instruction_program_interrupt); | |
1743 | EA = *rA + *rB; | |
1744 | *rT = MEM(unsigned, EA, 4); | |
1745 | *rA = EA; | |
45525d8d | 1746 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK | RB_BITMASK, 0); |
c143ef62 MM |
1747 | |
1748 | 0.58,6.RT,11.RA,16.DS,30.2:DS:64::Load Word Algebraic | |
1749 | # unsigned_word b; | |
1750 | # unsigned_word EA; | |
1751 | # if (RA == 0) b = 0; | |
1752 | # else b = *rA; | |
1753 | # EA = b + EXTS(DS_0b00); | |
1754 | # *rT = MEM(signed, EA, 4); | |
845ff5a4 | 1755 | |
c143ef62 MM |
1756 | 0.31,6.RT,11.RA,16.RB,21.341,31./:X:64::Load Word Algebraic Indexed |
1757 | # unsigned_word b; | |
1758 | # unsigned_word EA; | |
1759 | # if (RA == 0) b = 0; | |
1760 | # else b = *rA; | |
1761 | # EA = b + *rB;; | |
1762 | # *rT = MEM(signed, EA, 4); | |
845ff5a4 | 1763 | |
c143ef62 MM |
1764 | 0.31,6.RT,11.RA,16.RB,21.373,31./:X:64::Load Word Algebraic with Update Indexed |
1765 | # unsigned_word EA; | |
1766 | # if (RA == 0 || RA == RT) | |
1767 | # program_interrupt(processor, cia | |
1768 | # illegal_instruction_program_interrupt); | |
1769 | # EA = *rA + *rB; | |
1770 | # *rT = MEM(signed, EA, 4); | |
1771 | # *rA = EA; | |
1772 | ||
1773 | 0.58,6.RT,11.RA,16.DS,30.0:DS:64::Load Doubleword | |
1774 | # unsigned_word b; | |
1775 | # unsigned_word EA; | |
1776 | # if (RA == 0) b = 0; | |
1777 | # else b = *rA; | |
1778 | # EA = b + EXTS(DS_0b00); | |
1779 | # *rT = MEM(unsigned, EA, 8); | |
845ff5a4 | 1780 | |
c143ef62 MM |
1781 | 0.31,6.RT,11.RA,16.RB,21.21,31./:X:64::Load Doubleword Indexed |
1782 | # unsigned_word b; | |
1783 | # unsigned_word EA; | |
1784 | # if (RA == 0) b = 0; | |
1785 | # else b = *rA; | |
1786 | # EA = b + *rB; | |
1787 | # *rT = MEM(unsigned, EA, 8); | |
845ff5a4 | 1788 | |
c143ef62 MM |
1789 | 0.58,6.RT,11.RA,16.DS,30.1:DS:64::Load Doubleword with Update |
1790 | # unsigned_word EA; | |
1791 | # if (RA == 0 || RA == RT) | |
1792 | # program_interrupt(processor, cia | |
1793 | # illegal_instruction_program_interrupt); | |
1794 | # EA = *rA + EXTS(DS_0b00); | |
1795 | # *rT = MEM(unsigned, EA, 8); | |
1796 | # *rA = EA; | |
845ff5a4 | 1797 | |
c143ef62 MM |
1798 | 0.31,6.RT,11.RA,16.RB,21.53,31./:DS:64::Load Doubleword with Update Indexed |
1799 | # unsigned_word EA; | |
1800 | # if (RA == 0 || RA == RT) | |
1801 | # program_interrupt(processor, cia | |
1802 | # illegal_instruction_program_interrupt); | |
1803 | # EA = *rA + *rB; | |
1804 | # *rT = MEM(unsigned, EA, 8); | |
1805 | # *rA = EA; | |
1806 | ||
1807 | ||
1808 | ||
1809 | # | |
1810 | # I.3.3.3 Fixed-Point Store Instructions | |
1811 | # | |
1812 | ||
1813 | 0.38,6.RS,11.RA,16.D:D:::Store Byte | |
54e98699 MM |
1814 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
1815 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1816 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1817 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
1818 | unsigned_word b; |
1819 | unsigned_word EA; | |
1820 | if (RA == 0) b = 0; | |
1821 | else b = *rA; | |
1822 | EA = b + EXTS(D); | |
1823 | STORE(EA, 1, *rS); | |
45525d8d | 1824 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RS_BITMASK, 0); |
845ff5a4 | 1825 | |
c143ef62 | 1826 | 0.31,6.RS,11.RA,16.RB,21.215,31./:X:::Store Byte Indexed |
54e98699 MM |
1827 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
1828 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1829 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1830 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
1831 | unsigned_word b; |
1832 | unsigned_word EA; | |
1833 | if (RA == 0) b = 0; | |
1834 | else b = *rA; | |
1835 | EA = b + *rB; | |
1836 | STORE(EA, 1, *rS); | |
45525d8d | 1837 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0); |
845ff5a4 | 1838 | |
c143ef62 | 1839 | 0.39,6.RS,11.RA,16.D:D:::Store Byte with Update |
54e98699 MM |
1840 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
1841 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1842 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1843 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
1844 | unsigned_word EA; |
1845 | if (RA == 0) | |
1846 | program_interrupt(processor, cia, | |
1847 | illegal_instruction_program_interrupt); | |
1848 | EA = *rA + EXTS(D); | |
1849 | STORE(EA, 1, *rS); | |
1850 | *rA = EA; | |
45525d8d | 1851 | PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RS_BITMASK, 0); |
845ff5a4 | 1852 | |
c143ef62 | 1853 | 0.31,6.RS,11.RA,16.RB,21.247,31./:X:::Store Byte with Update Indexed |
54e98699 MM |
1854 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
1855 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1856 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1857 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
1858 | unsigned_word EA; |
1859 | if (RA == 0) | |
1860 | program_interrupt(processor, cia, | |
1861 | illegal_instruction_program_interrupt); | |
1862 | EA = *rA + *rB; | |
1863 | STORE(EA, 1, *rS); | |
1864 | *rA = EA; | |
45525d8d | 1865 | PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RB_BITMASK | RS_BITMASK, 0); |
c143ef62 MM |
1866 | |
1867 | 0.44,6.RS,11.RA,16.D:D:::Store Half Word | |
54e98699 MM |
1868 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
1869 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1870 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1871 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
1872 | unsigned_word b; |
1873 | unsigned_word EA; | |
1874 | if (RA == 0) b = 0; | |
1875 | else b = *rA; | |
1876 | EA = b + EXTS(D); | |
1877 | STORE(EA, 2, *rS); | |
45525d8d | 1878 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RS_BITMASK, 0); |
845ff5a4 | 1879 | |
c143ef62 | 1880 | 0.31,6.RS,11.RA,16.RB,21.407,31./:X:::Store Half Word Indexed |
54e98699 MM |
1881 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
1882 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1883 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1884 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
1885 | unsigned_word b; |
1886 | unsigned_word EA; | |
1887 | if (RA == 0) b = 0; | |
1888 | else b = *rA; | |
1889 | EA = b + *rB; | |
1890 | STORE(EA, 2, *rS); | |
45525d8d | 1891 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0); |
845ff5a4 | 1892 | |
c143ef62 | 1893 | 0.45,6.RS,11.RA,16.D:D:::Store Half Word with Update |
54e98699 MM |
1894 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
1895 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1896 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1897 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
1898 | unsigned_word EA; |
1899 | if (RA == 0) | |
1900 | program_interrupt(processor, cia, | |
1901 | illegal_instruction_program_interrupt); | |
1902 | EA = *rA + EXTS(D); | |
1903 | STORE(EA, 2, *rS); | |
1904 | *rA = EA; | |
45525d8d | 1905 | PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RS_BITMASK, 0); |
845ff5a4 | 1906 | |
c143ef62 | 1907 | 0.31,6.RS,11.RA,16.RB,21.439,31./:X:::Store Half Word with Update Indexed |
54e98699 MM |
1908 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
1909 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1910 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1911 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
1912 | unsigned_word EA; |
1913 | if (RA == 0) | |
1914 | program_interrupt(processor, cia, | |
1915 | illegal_instruction_program_interrupt); | |
1916 | EA = *rA + *rB; | |
1917 | STORE(EA, 2, *rS); | |
1918 | *rA = EA; | |
45525d8d | 1919 | PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RB_BITMASK | RS_BITMASK, 0); |
c143ef62 MM |
1920 | |
1921 | 0.36,6.RS,11.RA,16.D:D:::Store Word | |
54e98699 MM |
1922 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
1923 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1924 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1925 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
1926 | unsigned_word b; |
1927 | unsigned_word EA; | |
1928 | if (RA == 0) b = 0; | |
1929 | else b = *rA; | |
1930 | EA = b + EXTS(D); | |
1931 | STORE(EA, 4, *rS); | |
45525d8d | 1932 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RS_BITMASK, 0); |
845ff5a4 | 1933 | |
c143ef62 | 1934 | 0.31,6.RS,11.RA,16.RB,21.151,31./:X:::Store Word Indexed |
54e98699 MM |
1935 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
1936 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1937 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1938 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
1939 | unsigned_word b; |
1940 | unsigned_word EA; | |
1941 | if (RA == 0) b = 0; | |
1942 | else b = *rA; | |
1943 | EA = b + *rB; | |
1944 | STORE(EA, 4, *rS); | |
45525d8d | 1945 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0); |
845ff5a4 | 1946 | |
c143ef62 | 1947 | 0.37,6.RS,11.RA,16.D:D:::Store Word with Update |
54e98699 MM |
1948 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
1949 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1950 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1951 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
1952 | unsigned_word EA; |
1953 | if (RA == 0) | |
1954 | program_interrupt(processor, cia, | |
1955 | illegal_instruction_program_interrupt); | |
1956 | EA = *rA + EXTS(D); | |
1957 | STORE(EA, 4, *rS); | |
1958 | *rA = EA; | |
45525d8d | 1959 | PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RS_BITMASK, 0); |
845ff5a4 | 1960 | |
c143ef62 | 1961 | 0.31,6.RS,11.RA,16.RB,21.183,31./:X:::Store Word with Update Indexed |
54e98699 MM |
1962 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
1963 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1964 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
1965 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
1966 | unsigned_word EA; |
1967 | if (RA == 0) | |
1968 | program_interrupt(processor, cia, | |
1969 | illegal_instruction_program_interrupt); | |
1970 | EA = *rA + *rB; | |
1971 | STORE(EA, 4, *rS); | |
1972 | *rA = EA; | |
45525d8d | 1973 | PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RB_BITMASK | RS_BITMASK, 0); |
c143ef62 MM |
1974 | |
1975 | 0.62,6.RS,11.RA,16.DS,30.0:DS:64::Store Doubleword | |
1976 | # unsigned_word b; | |
1977 | # unsigned_word EA; | |
1978 | # if (RA == 0) b = 0; | |
1979 | # else b = *rA; | |
1980 | # EA = b + EXTS(DS_0b00); | |
1981 | # STORE(EA, 8, *rS); | |
1982 | 0.31,6.RS,11.RA,16.RB,21.149,31./:X:64::Store Doubleword Indexed | |
1983 | # unsigned_word b; | |
1984 | # unsigned_word EA; | |
1985 | # if (RA == 0) b = 0; | |
1986 | # else b = *rA; | |
1987 | # EA = b + *rB; | |
1988 | # STORE(EA, 8, *rS); | |
1989 | 0.62,6.RS,11.RA,16.DS,30.1:DS:64::Store Doubleword with Update | |
1990 | # unsigned_word EA; | |
1991 | # if (RA == 0) | |
1992 | # program_interrupt(processor, cia | |
1993 | # illegal_instruction_program_interrupt); | |
1994 | # EA = *rA + EXTS(DS_0b00); | |
1995 | # STORE(EA, 8, *rS); | |
1996 | # *rA = EA; | |
1997 | 0.31,6.RS,11.RA,16.RB,21.181,31./:X:64::Store Doubleword with Update Indexed | |
1998 | # unsigned_word EA; | |
1999 | # if (RA == 0) | |
2000 | # program_interrupt(processor, cia | |
2001 | # illegal_instruction_program_interrupt); | |
2002 | # EA = *rA + *rB; | |
2003 | # STORE(EA, 8, *rS); | |
2004 | # *rA = EA; | |
2005 | ||
2006 | ||
2007 | # | |
2008 | # I.3.3.4 Fixed-Point Load and Store with Byte Reversal Instructions | |
2009 | # | |
2010 | ||
2011 | 0.31,6.RT,11.RA,16.RB,21.790,31./:X:::Load Halfword Byte-Reverse Indexed | |
54e98699 MM |
2012 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2013 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
2014 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
2015 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
73c4941b MM |
2016 | unsigned_word b; |
2017 | unsigned_word EA; | |
2018 | if (RA == 0) b = 0; | |
2019 | else b = *rA; | |
2020 | EA = b + *rB; | |
2021 | *rT = SWAP_2(MEM(unsigned, EA, 2)); | |
45525d8d | 2022 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
845ff5a4 | 2023 | |
c143ef62 | 2024 | 0.31,6.RT,11.RA,16.RB,21.534,31./:X:::Load Word Byte-Reverse Indexed |
54e98699 MM |
2025 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2026 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
2027 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
2028 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
73c4941b MM |
2029 | unsigned_word b; |
2030 | unsigned_word EA; | |
2031 | if (RA == 0) b = 0; | |
2032 | else b = *rA; | |
2033 | EA = b + *rB; | |
2034 | *rT = SWAP_4(MEM(unsigned, EA, 4)); | |
45525d8d | 2035 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
c143ef62 MM |
2036 | |
2037 | 0.31,6.RS,11.RA,16.RB,21.918,31./:X:::Store Half Word Byte-Reversed Indexed | |
54e98699 MM |
2038 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2039 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
2040 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
2041 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
73c4941b MM |
2042 | unsigned_word b; |
2043 | unsigned_word EA; | |
2044 | if (RA == 0) b = 0; | |
2045 | else b = *rA; | |
2046 | EA = b + *rB; | |
2047 | STORE(EA, 2, SWAP_2(*rS)); | |
45525d8d | 2048 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0); |
845ff5a4 | 2049 | |
c143ef62 | 2050 | 0.31,6.RS,11.RA,16.RB,21.662,31./:X:::Store Word Byte-Reversed Indexed |
54e98699 MM |
2051 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2052 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
2053 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
2054 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
73c4941b MM |
2055 | unsigned_word b; |
2056 | unsigned_word EA; | |
2057 | if (RA == 0) b = 0; | |
2058 | else b = *rA; | |
2059 | EA = b + *rB; | |
2060 | STORE(EA, 4, SWAP_4(*rS)); | |
45525d8d | 2061 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0); |
c143ef62 MM |
2062 | |
2063 | ||
2064 | # | |
2065 | # I.3.3.5 Fixed-Point Load and Store Multiple Instrctions | |
2066 | # | |
2067 | ||
2068 | 0.46,6.RT,11.RA,16.D:D:be::Load Multiple Word | |
845ff5a4 | 2069 | |
c143ef62 MM |
2070 | 0.47,6.RS,11.RA,16.D:D:be::Store Multiple Word |
2071 | ||
2072 | ||
2073 | # | |
2074 | # I.3.3.6 Fixed-Point Move Assist Instructions | |
2075 | # | |
2076 | ||
2077 | 0.31,6.RT,11.RA,16.NB,21.597,31./:X:be::Load String Word Immediate | |
845ff5a4 | 2078 | |
c143ef62 MM |
2079 | 0.31,6.RT,11.RA,16.RB,21.533,31./:X:be::Load String Word Indexed |
2080 | ||
2081 | 0.31,6.RS,11.RA,16.NB,21.725,31./:X:be::Store String Word Immedate | |
845ff5a4 | 2082 | |
c143ef62 MM |
2083 | 0.31,6.RS,11.RA,16.RB,21.661,31./:X:be::Store String Word Indexed |
2084 | ||
2085 | ||
2086 | # | |
2087 | # I.3.3.7 Storage Synchronization Instructions | |
2088 | # | |
2089 | # HACK: Rather than monitor addresses looking for a reason | |
2090 | # to cancel a reservation. This code instead keeps | |
2091 | # a copy of the data read from memory. Before performing | |
2092 | # a store, the memory area is checked to see if it has | |
2093 | # been changed. | |
2094 | 0.31,6.RT,11.RA,16.RB,21.20,31./:X:::Load Word And Reserve Indexed | |
54e98699 MM |
2095 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 |
2096 | *603: PPC_UNIT_LSU, PPC_UNIT_IU, 1, 2, 0 | |
2097 | *603e:PPC_UNIT_LSU, PPC_UNIT_IU, 1, 2, 0 | |
2098 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
2099 | unsigned_word b; |
2100 | unsigned_word EA; | |
2101 | if (RA == 0) b = 0; | |
2102 | else b = *rA; | |
2103 | EA = b + *rB; | |
2104 | RESERVE = 1; | |
2105 | RESERVE_ADDR = real_addr(EA, 1/*is-read?*/); | |
2106 | RESERVE_DATA = MEM(unsigned, EA, 4); | |
2107 | *rT = RESERVE_DATA; | |
45525d8d | 2108 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
845ff5a4 | 2109 | |
c143ef62 MM |
2110 | 0.31,6.RT,11.RA,16.RB,21.84,31./:X:64::Load Doubleword And Reserve Indexed |
2111 | unsigned_word b; | |
2112 | unsigned_word EA; | |
2113 | if (RA == 0) b = 0; | |
2114 | else b = *rA; | |
2115 | EA = b + *rB; | |
2116 | RESERVE = 1; | |
2117 | RESERVE_ADDR = real_addr(EA, 1/*is-read?*/); | |
2118 | RESERVE_DATA = MEM(unsigned, EA, 8); | |
2119 | *rT = RESERVE_DATA; | |
45525d8d | 2120 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
c143ef62 MM |
2121 | |
2122 | 0.31,6.RS,11.RA,16.RB,21.150,31.1:X:::Store Word Conditional Indexed | |
54e98699 MM |
2123 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2124 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 8, 8, 0 | |
2125 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 8, 8, 0 | |
2126 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 3, 0 | |
c143ef62 MM |
2127 | unsigned_word b; |
2128 | unsigned_word EA; | |
2129 | if (RA == 0) b = 0; | |
2130 | else b = *rA; | |
2131 | EA = b + *rB; | |
2132 | if (RESERVE) { | |
2133 | if (RESERVE_ADDR == real_addr(EA, 0/*is-read?*/) | |
2134 | && /*HACK*/ RESERVE_DATA == MEM(unsigned, EA, 4)) { | |
2135 | STORE(EA, 4, *rS); | |
2136 | CR_SET_XER_SO(0, cr_i_zero); | |
2137 | } | |
2138 | else { | |
2139 | /* ment to randomly to store, we never do! */ | |
2140 | CR_SET_XER_SO(0, 0); | |
2141 | } | |
2142 | RESERVE = 0; | |
2143 | } | |
2144 | else { | |
2145 | CR_SET_XER_SO(0, 0); | |
2146 | } | |
45525d8d MM |
2147 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 1/*Rc*/); |
2148 | ||
c143ef62 MM |
2149 | 0.31,6.RS,11.RA,16.RB,21.214,31.1:X:64::Store Doubleword Conditional Indexed |
2150 | unsigned_word b; | |
2151 | unsigned_word EA; | |
2152 | if (RA == 0) b = 0; | |
2153 | else b = *rA; | |
2154 | EA = b + *rB; | |
2155 | if (RESERVE) { | |
2156 | if (RESERVE_ADDR == real_addr(EA, 0/*is-read?*/) | |
2157 | && /*HACK*/ RESERVE_DATA == MEM(unsigned, EA, 8)) { | |
2158 | STORE(EA, 8, *rS); | |
2159 | CR_SET_XER_SO(0, cr_i_zero); | |
2160 | } | |
2161 | else { | |
2162 | /* ment to randomly to store, we never do */ | |
2163 | CR_SET_XER_SO(0, 0); | |
2164 | } | |
2165 | RESERVE = 0; | |
2166 | } | |
2167 | else { | |
2168 | CR_SET_XER_SO(0, 0); | |
2169 | } | |
45525d8d | 2170 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 1/*Rc*/); |
c143ef62 MM |
2171 | |
2172 | 0.31,6./,11./,16./,21.598,31./:X::sync:Synchronize | |
54e98699 MM |
2173 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2174 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
2175 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
2176 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 | |
c143ef62 MM |
2177 | /* do nothing */ |
2178 | ||
2179 | ||
2180 | # | |
2181 | # I.3.3.9 Fixed-Point Arithmetic Instructions | |
2182 | # | |
2183 | ||
2184 | 0.14,6.RT,11.RA,16.SI:D:T::Add Immediate | |
54e98699 MM |
2185 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2186 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2187 | *603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 | |
2188 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
45525d8d MM |
2189 | if (RA_is_0) *rT = EXTS(SI); |
2190 | else *rT = *rA + EXTS(SI); | |
2191 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); | |
80948f39 | 2192 | |
c143ef62 | 2193 | 0.15,6.RT,11.RA,16.SI:D:::Add Immediate Shifted |
54e98699 MM |
2194 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2195 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2196 | *603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 | |
2197 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
45525d8d MM |
2198 | if (RA_is_0) *rT = EXTS(SI) << 16; |
2199 | else *rT = *rA + (EXTS(SI) << 16); | |
2200 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); | |
80948f39 | 2201 | |
c143ef62 | 2202 | 0.31,6.RT,11.RA,16.RB,21.OE,22.266,31.Rc:XO:::Add |
54e98699 MM |
2203 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2204 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2205 | *603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 | |
2206 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2207 | ALU_BEGIN(*rA); |
2208 | ALU_ADD(*rB); | |
2209 | ALU_END(*rT, 0/*CA*/, OE, Rc); | |
45525d8d | 2210 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
80948f39 | 2211 | |
c143ef62 | 2212 | 0.31,6.RT,11.RA,16.RB,21.OE,22.40,31.Rc:XO:::Subtract From |
54e98699 MM |
2213 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2214 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2215 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2216 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2217 | ALU_BEGIN(*rA); |
2218 | ALU_NOT; | |
2219 | ALU_ADD(*rB); | |
2220 | ALU_ADD(1); | |
2221 | ALU_END(*rT, 0/*CA*/, OE, Rc); | |
45525d8d | 2222 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
80948f39 | 2223 | |
c143ef62 | 2224 | 0.12,6.RT,11.RA,16.SI:D:::Add Immediate Carrying |
54e98699 MM |
2225 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2226 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2227 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2228 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2229 | ALU_BEGIN(*rA); |
2230 | ALU_ADD(EXTS(SI)); | |
2231 | ALU_END(*rT, 1/*CA*/, 0/*OE*/, 0/*Rc*/); | |
45525d8d | 2232 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, 0/*Rc*/); |
80948f39 | 2233 | |
c143ef62 | 2234 | 0.13,6.RT,11.RA,16.SI:D:::Add Immediate Carrying and Record |
54e98699 MM |
2235 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2236 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2237 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2238 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2239 | ALU_BEGIN(*rA); |
2240 | ALU_ADD(EXTS(SI)); | |
2241 | ALU_END(*rT, 1/*CA*/, 0/*OE*/, 1/*Rc*/); | |
45525d8d | 2242 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, 1/*Rc*/); |
80948f39 | 2243 | |
c143ef62 | 2244 | 0.8,6.RT,11.RA,16.SI:D:::Subtract From Immediate Carrying |
54e98699 MM |
2245 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2246 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2247 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2248 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2249 | ALU_BEGIN(*rA); |
2250 | ALU_NOT; | |
2251 | ALU_ADD(EXTS(SI)); | |
2252 | ALU_ADD(1); | |
2253 | ALU_END(*rT, 1/*CA*/, 0/*OE*/, 0/*Rc*/); | |
45525d8d | 2254 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, 0/*Rc*/); |
80948f39 | 2255 | |
c143ef62 | 2256 | 0.31,6.RT,11.RA,16.RB,21.OE,22.10,31.Rc:XO:::Add Carrying |
54e98699 MM |
2257 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2258 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2259 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2260 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2261 | ALU_BEGIN(*rA); |
2262 | ALU_ADD(*rB); | |
2263 | ALU_END(*rT, 1/*CA*/, OE, Rc); | |
45525d8d | 2264 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
80948f39 | 2265 | |
c143ef62 | 2266 | 0.31,6.RT,11.RA,16.RB,21.OE,22.8,31.Rc:XO:::Subtract From Carrying |
54e98699 MM |
2267 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2268 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2269 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2270 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2271 | /* RT <- ~RA + RB + 1 === RT <- RB - RA */ |
2272 | ALU_BEGIN(*rA); | |
2273 | ALU_NOT; | |
2274 | ALU_ADD(*rB); | |
2275 | ALU_ADD(1); | |
2276 | ALU_END(*rT, 1/*CA*/, OE, Rc); | |
45525d8d | 2277 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
80948f39 | 2278 | |
c143ef62 | 2279 | 0.31,6.RT,11.RA,16.RB,21.OE,22.138,31.Rc:XO:::Add Extended |
54e98699 MM |
2280 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2281 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2282 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2283 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2284 | ALU_BEGIN(*rA); |
2285 | ALU_ADD(*rB); | |
2286 | ALU_ADD_CA; | |
2287 | ALU_END(*rT, 1/*CA*/, OE, Rc); | |
45525d8d | 2288 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
80948f39 | 2289 | |
c143ef62 | 2290 | 0.31,6.RT,11.RA,16.RB,21.OE,22.136,31.Rc:XO:::Subtract From Extended |
54e98699 MM |
2291 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2292 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2293 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2294 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2295 | ALU_BEGIN(*rA); |
2296 | ALU_NOT; | |
2297 | ALU_ADD(*rB); | |
2298 | ALU_ADD_CA; | |
2299 | ALU_END(*rT, 1/*CA*/, OE, Rc); | |
45525d8d | 2300 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
80948f39 | 2301 | |
c143ef62 | 2302 | 0.31,6.RT,11.RA,16./,21.OE,22.234,31.Rc:XO:::Add to Minus One Extended |
54e98699 MM |
2303 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2304 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2305 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2306 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2307 | # ALU_BEGIN(*rA); |
2308 | # ALU_ADD_CA; | |
2309 | # ALU_SUB(1); | |
2310 | # ALU_END(*rT, 1/*CA*/, OE, Rc); | |
80948f39 | 2311 | |
c143ef62 | 2312 | 0.31,6.RT,11.RA,16./,21.OE,22.232,31.Rc:XO:::Subtract From Minus One Extended |
54e98699 MM |
2313 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2314 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2315 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2316 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2317 | # ALU_BEGIN(*rA); |
2318 | # ALU_NOT; | |
2319 | # ALU_ADD_CA; | |
2320 | # ALU_SUB(1); | |
2321 | # ALU_END(*rT, 1/*CA*/, OE, Rc); | |
80948f39 | 2322 | |
c143ef62 | 2323 | 0.31,6.RT,11.RA,16./,21.OE,22.202,31.Rc:XO::addze:Add to Zero Extended |
54e98699 MM |
2324 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2325 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2326 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2327 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2328 | ALU_BEGIN(*rA); |
2329 | ALU_ADD_CA; | |
2330 | ALU_END(*rT, 1/*CA*/, OE, Rc); | |
45525d8d | 2331 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, Rc); |
80948f39 | 2332 | |
c143ef62 | 2333 | 0.31,6.RT,11.RA,16./,21.OE,22.200,31.Rc:XO:::Subtract from Zero Extended |
54e98699 MM |
2334 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2335 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2336 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2337 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2338 | ALU_BEGIN(*rA); |
2339 | ALU_NOT; | |
2340 | ALU_ADD_CA; | |
2341 | ALU_END(*rT, 1/*CA*/, OE, Rc); | |
45525d8d | 2342 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, Rc); |
80948f39 | 2343 | |
c143ef62 | 2344 | 0.31,6.RT,11.RA,16./,21.OE,22.104,31.Rc:XO:::Negate |
54e98699 MM |
2345 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2346 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2347 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2348 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2349 | ALU_BEGIN(*rA); |
2350 | ALU_NOT; | |
2351 | ALU_ADD(1); | |
2352 | ALU_END(*rT,0/*CA*/,OE,Rc); | |
45525d8d | 2353 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, Rc); |
80948f39 | 2354 | |
c143ef62 | 2355 | 0.7,6.RT,11.RA,16.SI:D::mulli:Multiply Low Immediate |
54e98699 MM |
2356 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 |
2357 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 | |
2358 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 | |
2359 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 | |
c143ef62 MM |
2360 | signed_word prod = *rA * EXTS(SI); |
2361 | *rT = prod; | |
45525d8d | 2362 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, 0/*Rc*/); |
80948f39 | 2363 | |
c143ef62 | 2364 | 0.31,6.RT,11.RA,16.RB,21.OE,22.233,31.Rc:D:64::Multiply Low Doubleword |
80948f39 | 2365 | |
c143ef62 | 2366 | 0.31,6.RT,11.RA,16.RB,21.OE,22.235,31.Rc:XO::mullw:Multiply Low Word |
54e98699 MM |
2367 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 |
2368 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 | |
2369 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 | |
2370 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 4, 4, 0 | |
c143ef62 MM |
2371 | signed64 a = (signed32)(*rA); |
2372 | signed64 b = (signed32)(*rB); | |
2373 | signed64 prod = a * b; | |
2374 | signed_word t = prod; | |
2375 | *rT = *rA * *rB; | |
2376 | if (t != prod && OE) | |
2377 | XER |= (xer_overflow | xer_summary_overflow); | |
2378 | CR0_COMPARE(t, 0, Rc); | |
45525d8d | 2379 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
80948f39 | 2380 | |
c143ef62 | 2381 | 0.31,6.RT,11.RA,16.RB,21./,22.73,31.Rc:XO:64::Multiply High Doubleword |
80948f39 | 2382 | |
c143ef62 | 2383 | 0.31,6.RT,11.RA,16.RB,21./,22.75,31.Rc:XO::mulhw:Multiply High Word |
54e98699 MM |
2384 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 |
2385 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 | |
2386 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 | |
2387 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 4, 4, 0 | |
c143ef62 MM |
2388 | signed64 a = (signed32)(*rA); |
2389 | signed64 b = (signed32)(*rB); | |
2390 | signed64 prod = a * b; | |
2391 | signed_word t = EXTRACTED64(prod, 0, 31); | |
2392 | *rT = t; | |
2393 | CR0_COMPARE(t, 0, Rc); | |
45525d8d | 2394 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
80948f39 | 2395 | |
c143ef62 | 2396 | 0.31,6.RT,11.RA,16.RB,21./,22.9,31.Rc:XO:64::Multiply High Doubleword Unsigned |
80948f39 | 2397 | |
c143ef62 | 2398 | 0.31,6.RT,11.RA,16.RB,21./,22.11,31.Rc:XO::milhwu:Multiply High Word Unsigned |
54e98699 MM |
2399 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 10, 10, 0 |
2400 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 6, 6, 0 | |
2401 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 6, 6, 0 | |
2402 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 4, 4, 0 | |
c143ef62 MM |
2403 | unsigned64 a = (unsigned32)(*rA); |
2404 | unsigned64 b = (unsigned32)(*rB); | |
2405 | unsigned64 prod = a * b; | |
2406 | signed_word t = EXTRACTED64(prod, 0, 31); | |
2407 | *rT = t; | |
2408 | CR0_COMPARE(t, 0, Rc); | |
45525d8d | 2409 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
80948f39 | 2410 | |
c143ef62 | 2411 | 0.31,6.RT,11.RA,16.RB,21.OE,22.489,31.Rc:XO:64::Divide Doubleword |
80948f39 | 2412 | |
c143ef62 | 2413 | 0.31,6.RT,11.RA,16.RB,21.OE,22.491,31.Rc:XO::divw:Divide Word |
54e98699 MM |
2414 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 36, 36, 0 |
2415 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 37, 37, 0 | |
2416 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 37, 37, 0 | |
2417 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 20, 20, 0 | |
c143ef62 MM |
2418 | signed64 dividend = (signed32)(*rA); |
2419 | signed64 divisor = (signed32)(*rB); | |
2420 | if (divisor == 0 /* nb 0x8000..0 is sign extended */ | |
2421 | || (dividend == 0x80000000 && divisor == -1)) { | |
2422 | if (OE) | |
2423 | XER |= (xer_overflow | xer_summary_overflow); | |
2424 | CR0_COMPARE(0, 0, Rc); | |
2425 | } | |
2426 | else { | |
2427 | signed64 quotent = dividend / divisor; | |
2428 | *rT = quotent; | |
2429 | CR0_COMPARE((signed_word)quotent, 0, Rc); | |
2430 | } | |
45525d8d | 2431 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
54e98699 | 2432 | |
c143ef62 | 2433 | 0.31,6.RT,11.RA,16.RB,21.OE,22.457,31.Rc:XO:64::Divide Doubleword Unsigned |
80948f39 | 2434 | |
c143ef62 | 2435 | 0.31,6.RT,11.RA,16.RB,21.OE,22.459,31.Rc:XO::divwu:Divide Word Unsigned |
54e98699 MM |
2436 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 36, 36, 0 |
2437 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 37, 37, 0 | |
2438 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 37, 37, 0 | |
2439 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 20, 20, 0 | |
c143ef62 MM |
2440 | unsigned64 dividend = (unsigned32)(*rA); |
2441 | unsigned64 divisor = (unsigned32)(*rB); | |
2442 | if (divisor == 0) { | |
2443 | if (OE) | |
2444 | XER |= (xer_overflow | xer_summary_overflow); | |
2445 | CR0_COMPARE(0, 0, Rc); | |
2446 | } | |
2447 | else { | |
2448 | unsigned64 quotent = dividend / divisor; | |
2449 | *rT = quotent; | |
2450 | CR0_COMPARE((signed_word)quotent, 0, Rc); | |
2451 | } | |
45525d8d | 2452 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
c143ef62 MM |
2453 | |
2454 | ||
2455 | # | |
2456 | # I.3.3.10 Fixed-Point Compare Instructions | |
2457 | # | |
2458 | ||
2459 | 0.11,6.BF,9./,10.L,11.RA,16.SI:D:::Compare Immediate | |
54e98699 MM |
2460 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2461 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2462 | *603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 | |
2463 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2464 | if (!is_64bit_mode && L) |
2465 | program_interrupt(processor, cia, | |
2466 | illegal_instruction_program_interrupt); | |
2467 | else { | |
2468 | signed_word a; | |
2469 | signed_word b = EXTS(SI); | |
2470 | if (L == 0) | |
2471 | a = EXTENDED(*rA); | |
2472 | else | |
2473 | a = *rA; | |
2474 | CR_COMPARE(BF, a, b); | |
2475 | } | |
45525d8d | 2476 | PPC_INSN_INT_CR(0, RA_BITMASK, BF_BITMASK); |
845ff5a4 | 2477 | |
c143ef62 | 2478 | 0.31,6.BF,9./,10.L,11.RA,16.RB,21.0,31./:X:::Compare |
54e98699 MM |
2479 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2480 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2481 | *603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 | |
2482 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2483 | if (!is_64bit_mode && L) |
2484 | program_interrupt(processor, cia, | |
2485 | illegal_instruction_program_interrupt); | |
2486 | else { | |
2487 | signed_word a; | |
2488 | signed_word b; | |
2489 | if (L == 0) { | |
2490 | a = EXTENDED(*rA); | |
2491 | b = EXTENDED(*rB); | |
2492 | } | |
2493 | else { | |
2494 | a = *rA; | |
2495 | b = *rB; | |
2496 | } | |
2497 | CR_COMPARE(BF, a, b); | |
2498 | } | |
45525d8d | 2499 | PPC_INSN_INT_CR(0, RA_BITMASK | RB_BITMASK, BF_BITMASK); |
845ff5a4 | 2500 | |
c143ef62 | 2501 | 0.10,6.BF,9./,10.L,11.RA,16.UI:D:::Compare Logical Immediate |
54e98699 MM |
2502 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2503 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2504 | *603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 | |
2505 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2506 | if (!is_64bit_mode && L) |
2507 | program_interrupt(processor, cia, | |
2508 | illegal_instruction_program_interrupt); | |
2509 | else { | |
2510 | unsigned_word a; | |
2511 | unsigned_word b = UI; | |
2512 | if (L == 0) | |
2513 | a = MASKED(*rA, 32, 63); | |
2514 | else | |
2515 | a = *rA; | |
2516 | CR_COMPARE(BF, a, b); | |
2517 | } | |
45525d8d | 2518 | PPC_INSN_INT_CR(0, RA_BITMASK, BF_BITMASK); |
845ff5a4 | 2519 | |
c143ef62 | 2520 | 0.31,6.BF,9./,10.L,11.RA,16.RB,21.32,31./:X:::Compare Logical |
54e98699 MM |
2521 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2522 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2523 | *603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 | |
2524 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2525 | if (!is_64bit_mode && L) |
2526 | program_interrupt(processor, cia, | |
2527 | illegal_instruction_program_interrupt); | |
2528 | else { | |
2529 | unsigned_word a; | |
2530 | unsigned_word b; | |
2531 | if (L == 0) { | |
2532 | a = MASKED(*rA, 32, 63); | |
2533 | b = MASKED(*rB, 32, 63); | |
2534 | } | |
2535 | else { | |
2536 | a = *rA; | |
2537 | b = *rB; | |
2538 | } | |
2539 | CR_COMPARE(BF, a, b); | |
2540 | } | |
45525d8d | 2541 | PPC_INSN_INT_CR(0, RA_BITMASK | RB_BITMASK, BF_BITMASK); |
c143ef62 MM |
2542 | |
2543 | ||
2544 | # | |
2545 | # I.3.3.11 Fixed-Point Trap Instructions | |
2546 | # | |
2547 | ||
2548 | 0.2,6.TO,11.RA,16.SI:D:64::Trap Doubleword Immediate | |
2549 | if (!is_64bit_mode) | |
2550 | program_interrupt(processor, cia, | |
2551 | illegal_instruction_program_interrupt); | |
2552 | else { | |
2553 | signed_word a = *rA; | |
2554 | signed_word b = EXTS(SI); | |
2555 | if ((a < b && TO{0}) | |
2556 | || (a > b && TO{1}) | |
2557 | || (a == b && TO{2}) | |
2558 | || ((unsigned_word)a < (unsigned_word)b && TO{3}) | |
2559 | || ((unsigned_word)a > (unsigned_word)b && TO{4}) | |
2560 | ) | |
2561 | program_interrupt(processor, cia, | |
2562 | trap_program_interrupt); | |
2563 | } | |
845ff5a4 | 2564 | |
c143ef62 | 2565 | 0.3,6.TO,11.RA,16.SI:D:::Trap Word Immediate |
54e98699 MM |
2566 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2567 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 | |
2568 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 | |
2569 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2570 | signed_word a = EXTENDED(*rA); |
2571 | signed_word b = EXTS(SI); | |
2572 | if ((a < b && TO{0}) | |
2573 | || (a > b && TO{1}) | |
2574 | || (a == b && TO{2}) | |
2575 | || ((unsigned_word)a < (unsigned_word)b && TO{3}) | |
2576 | || ((unsigned_word)a > (unsigned_word)b && TO{4}) | |
2577 | ) | |
2578 | program_interrupt(processor, cia, | |
2579 | trap_program_interrupt); | |
845ff5a4 | 2580 | |
c143ef62 MM |
2581 | 0.31,6.TO,11.RA,16.RB,21.68,31./:X:64::Trap Doubleword |
2582 | if (!is_64bit_mode) | |
2583 | program_interrupt(processor, cia, | |
2584 | illegal_instruction_program_interrupt); | |
2585 | else { | |
2586 | signed_word a = *rA; | |
2587 | signed_word b = *rB; | |
2588 | if ((a < b && TO{0}) | |
2589 | || (a > b && TO{1}) | |
2590 | || (a == b && TO{2}) | |
2591 | || ((unsigned_word)a < (unsigned_word)b && TO{3}) | |
2592 | || ((unsigned_word)a > (unsigned_word)b && TO{4}) | |
2593 | ) | |
2594 | program_interrupt(processor, cia, | |
2595 | trap_program_interrupt); | |
2596 | } | |
845ff5a4 | 2597 | |
c143ef62 | 2598 | 0.31,6.TO,11.RA,16.RB,21.4,31./:X:::Trap Word |
54e98699 MM |
2599 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2600 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 | |
2601 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 | |
2602 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2603 | signed_word a = EXTENDED(*rA); |
2604 | signed_word b = EXTENDED(*rB); | |
2605 | if (TO == 12 && rA == rB) { | |
2606 | ITRACE(trace_breakpoint, ("breakpoint\n")); | |
2607 | cpu_halt(processor, cia, was_trap, 0); | |
2608 | } | |
2609 | else if ((a < b && TO{0}) | |
2610 | || (a > b && TO{1}) | |
2611 | || (a == b && TO{2}) | |
2612 | || ((unsigned_word)a < (unsigned_word)b && TO{3}) | |
2613 | || ((unsigned_word)a > (unsigned_word)b && TO{4}) | |
2614 | ) | |
2615 | program_interrupt(processor, cia, | |
2616 | trap_program_interrupt); | |
2617 | ||
2618 | # | |
2619 | # I.3.3.12 Fixed-Point Logical Instructions | |
2620 | # | |
2621 | ||
2622 | 0.28,6.RS,11.RA,16.UI:D:::AND Immediate | |
54e98699 MM |
2623 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2624 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2625 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2626 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2627 | *rA = *rS & UI; |
2628 | CR0_COMPARE(*rA, 0, 1/*Rc*/); | |
45525d8d | 2629 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 1/*Rc*/); |
845ff5a4 | 2630 | |
c143ef62 | 2631 | 0.29,6.RS,11.RA,16.UI:D:::AND Immediate Shifted |
54e98699 MM |
2632 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2633 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2634 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2635 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2636 | *rA = *rS & (UI << 16); |
2637 | CR0_COMPARE(*rA, 0, 1/*Rc*/); | |
45525d8d | 2638 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 1/*Rc*/); |
845ff5a4 | 2639 | |
c143ef62 | 2640 | 0.24,6.RS,11.RA,16.UI:D:::OR Immediate |
54e98699 MM |
2641 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2642 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2643 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2644 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 | 2645 | *rA = *rS | UI; |
45525d8d | 2646 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 0/*Rc*/); |
845ff5a4 | 2647 | |
c143ef62 | 2648 | 0.25,6.RS,11.RA,16.UI:D:::OR Immediate Shifted |
54e98699 MM |
2649 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2650 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2651 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2652 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 | 2653 | *rA = *rS | (UI << 16); |
45525d8d | 2654 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 0/*Rc*/); |
845ff5a4 | 2655 | |
c143ef62 | 2656 | 0.26,6.RS,11.RA,16.UI:D:::XOR Immediate |
54e98699 MM |
2657 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2658 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2659 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2660 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 | 2661 | *rA = *rS ^ UI; |
45525d8d | 2662 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 0/*Rc*/); |
845ff5a4 | 2663 | |
c143ef62 | 2664 | 0.27,6.RS,11.RA,16.UI:D:::XOR Immediate Shifted |
54e98699 MM |
2665 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2666 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2667 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2668 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 | 2669 | *rA = *rS ^ (UI << 16); |
45525d8d | 2670 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 0/*Rc*/); |
845ff5a4 | 2671 | |
c143ef62 | 2672 | 0.31,6.RS,11.RA,16.RB,21.28,31.Rc:X:::AND |
54e98699 MM |
2673 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2674 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2675 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2676 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2677 | *rA = *rS & *rB; |
2678 | CR0_COMPARE(*rA, 0, Rc); | |
45525d8d | 2679 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); |
845ff5a4 | 2680 | |
c143ef62 | 2681 | 0.31,6.RS,11.RA,16.RB,21.444,31.Rc:X:::OR |
54e98699 MM |
2682 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2683 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2684 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2685 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2686 | *rA = *rS | *rB; |
2687 | CR0_COMPARE(*rA, 0, Rc); | |
45525d8d | 2688 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); |
845ff5a4 | 2689 | |
c143ef62 | 2690 | 0.31,6.RS,11.RA,16.RB,21.316,31.Rc:X:::XOR |
54e98699 MM |
2691 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2692 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2693 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2694 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2695 | *rA = *rS ^ *rB; |
2696 | CR0_COMPARE(*rA, 0, Rc); | |
45525d8d | 2697 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); |
845ff5a4 | 2698 | |
c143ef62 | 2699 | 0.31,6.RS,11.RA,16.RB,21.476,31.Rc:X:::NAND |
54e98699 MM |
2700 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2701 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2702 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2703 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2704 | *rA = ~(*rS & *rB); |
2705 | CR0_COMPARE(*rA, 0, Rc); | |
45525d8d | 2706 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); |
845ff5a4 | 2707 | |
c143ef62 | 2708 | 0.31,6.RS,11.RA,16.RB,21.124,31.Rc:X:::NOR |
54e98699 MM |
2709 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2710 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2711 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2712 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2713 | *rA = ~(*rS | *rB); |
2714 | CR0_COMPARE(*rA, 0, Rc); | |
45525d8d | 2715 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); |
845ff5a4 | 2716 | |
c143ef62 | 2717 | 0.31,6.RS,11.RA,16.RB,21.284,31.Rc:X:::Equivalent |
54e98699 MM |
2718 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2719 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2720 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2721 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2722 | # *rA = ~(*rS ^ *rB); /* A === B */ |
2723 | # CR0_COMPARE(*rA, 0, Rc); | |
845ff5a4 | 2724 | |
c143ef62 | 2725 | 0.31,6.RS,11.RA,16.RB,21.60,31.Rc:X:::AND with Complement |
54e98699 MM |
2726 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2727 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2728 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2729 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2730 | *rA = *rS & ~*rB; |
2731 | CR0_COMPARE(*rA, 0, Rc); | |
45525d8d | 2732 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); |
54e98699 | 2733 | |
c143ef62 | 2734 | 0.31,6.RS,11.RA,16.RB,21.412,31.Rc:X:::OR with Complement |
54e98699 MM |
2735 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2736 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2737 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2738 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2739 | *rA = *rS | ~*rB; |
2740 | CR0_COMPARE(*rA, 0, Rc); | |
45525d8d | 2741 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); |
845ff5a4 | 2742 | |
c143ef62 | 2743 | 0.31,6.RS,11.RA,16./,21.954,31.Rc:X::extsb:Extend Sign Byte |
54e98699 MM |
2744 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2745 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2746 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2747 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2748 | *rA = (signed_word)(signed8)*rS; |
2749 | CR0_COMPARE(*rA, 0, Rc); | |
45525d8d | 2750 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); |
845ff5a4 | 2751 | |
c143ef62 | 2752 | 0.31,6.RS,11.RA,16./,21.922,31.Rc:X::extsh:Extend Sign Half Word |
54e98699 MM |
2753 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2754 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2755 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2756 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2757 | *rA = (signed_word)(signed16)*rS; |
2758 | CR0_COMPARE(*rA, 0, Rc); | |
45525d8d | 2759 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); |
845ff5a4 | 2760 | |
c143ef62 | 2761 | 0.31,6.RS,11.RA,16./,21.986,31.Rc:X:64::Extend Sign Word |
54e98699 MM |
2762 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2763 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2764 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2765 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2766 | # *rA = (signed_word)(signed32)*rS; |
2767 | # CR0_COMPARE(*rA, 0, Rc); | |
845ff5a4 | 2768 | |
c143ef62 MM |
2769 | 0.31,6.RS,11.RA,16./,21.58,31.Rc:X:64::Count Leading Zeros Doubleword |
2770 | # int count = 0; | |
2771 | # unsigned64 mask = BIT64(0); | |
2772 | # unsigned64 source = *rS; | |
2773 | # while (!(source & mask) && mask != 0) { | |
2774 | # mask >>= 1; | |
2775 | # count++; | |
2776 | # } | |
2777 | # *rA = count; | |
2778 | # CR0_COMPARE(count, 0, Rc); /* FIXME - is this correct */ | |
845ff5a4 | 2779 | |
c143ef62 | 2780 | 0.31,6.RS,11.RA,16./,21.26,31.Rc:X:::Count Leading Zeros Word |
54e98699 MM |
2781 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2782 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2783 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2784 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2785 | int count = 0; |
2786 | unsigned32 mask = BIT32(0); | |
2787 | unsigned32 source = *rS; | |
2788 | while (!(source & mask) && mask != 0) { | |
2789 | mask >>= 1; | |
2790 | count++; | |
2791 | } | |
2792 | *rA = count; | |
2793 | CR0_COMPARE(count, 0, Rc); /* FIXME - is this correct */ | |
2794 | ||
2795 | ||
2796 | # | |
2797 | # I.3.3.13 Fixed-Point Rotate and Shift Instructions | |
2798 | # | |
2799 | ||
2800 | 0.30,6.RS,11.RA,16.sh_0_4,21.mb,27.0,30.sh_5,31.Rc:MD:64::Rotate Left Doubleword Immediate then Clear Left | |
2801 | # long n = (sh_5 << 4) | sh_0_4; | |
2802 | # unsigned_word r = ROTL64(*rS, n); | |
2803 | # long b = (mb_5 << 4) | mb_0_4; | |
2804 | # unsigned_word m = MASK(b, 63); | |
2805 | # signed_word result = r & m; | |
2806 | # *rA = result; | |
2807 | # CR0_COMPARE(result, 0, Rc); /* FIXME - is this correct */ | |
845ff5a4 | 2808 | |
c143ef62 MM |
2809 | 0.30,6.RS,11.RA,16.sh_0_4,21.me,27.1,30.sh_5,31.Rc:MD:64::Rotate Left Doubleword Immediate then Clear Right |
2810 | # long n = (sh_5 << 4) | sh_0_4; | |
2811 | # unsigned_word r = ROTL64(*rS, n); | |
2812 | # long e = (me_5 << 4) | me_0_4; | |
2813 | # unsigned_word m = MASK(0, e); | |
2814 | # signed_word result = r & m; | |
2815 | # *rA = result; | |
2816 | # CR0_COMPARE(result, 0, Rc); /* FIXME - is this correct */ | |
845ff5a4 | 2817 | |
c143ef62 MM |
2818 | 0.30,6.RS,11.RA,16.sh_0_4,21.mb,27.2,30.sh_5,31.Rc:MD:64::Rotate Left Doubleword Immediate then Clear |
2819 | # long n = (sh_5 << 4) | sh_0_4; | |
2820 | # unsigned_word r = ROTL64(*rS, n); | |
2821 | # long b = (mb_5 << 4) | mb_0_4; | |
2822 | # unsigned_word m = MASK(0, (64-n)); | |
2823 | # signed_word result = r & m; | |
2824 | # *rA = result; | |
2825 | # CR0_COMPARE(result, 0, Rc); /* FIXME - is this correct */ | |
2826 | ||
2827 | 0.21,6.RS,11.RA,16.SH,21.MB,26.ME,31.Rc:M:::Rotate Left Word Immediate then AND with Mask | |
54e98699 MM |
2828 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2829 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2830 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2831 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2832 | long n = SH; |
2833 | unsigned32 s = *rS; | |
2834 | unsigned32 r = ROTL32(s, n); | |
2835 | unsigned32 m = MASK(MB+32, ME+32); | |
2836 | signed_word result = r & m; | |
2837 | *rA = result; | |
2838 | CR0_COMPARE(result, 0, Rc); | |
2839 | ITRACE(trace_alu, | |
45525d8d MM |
2840 | ("n=%ld, s=0x%lx, r=0x%lx, m=0x%lx, result=0x%lx, cr=0x%lx\n", |
2841 | n, (unsigned long)s, (unsigned long)r, (unsigned long)m, | |
2842 | (unsigned long)result, (unsigned long)CR)); | |
2843 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); | |
c143ef62 MM |
2844 | |
2845 | 0.30,6.RS,11.RA,16.RB,21.mb,27.8,31.Rc:MDS:64::Rotate Left Doubleword then Clear Left | |
2846 | # long n = MASKED(*rB, 58, 63); | |
2847 | # unsigned_word r = ROTL64(*rS, n); | |
2848 | # long b = (mb_5 << 4) | mb_0_4; | |
2849 | # unsigned_word m = MASK(b, 63); | |
2850 | # signed_word result = r & m; | |
2851 | # *rA = result; | |
2852 | # CR0_COMPARE(result, 0, Rc); | |
845ff5a4 | 2853 | |
c143ef62 MM |
2854 | 0.30,6.RS,11.RA,16.RB,21.me,27.9,31.Rc:MDS:64::Rotate Left Doubleword then Clear Right |
2855 | # long n = MASKED(*rB, 58, 63); | |
2856 | # unsigned_word r = ROTL64(*rS, n); | |
2857 | # long e = (me_5 << 4) | me_0_4; | |
2858 | # unsigned_word m = MASK(0, e); | |
2859 | # signed_word result = r & m; | |
2860 | # *rA = result; | |
2861 | # CR0_COMPARE(result, 0, Rc); | |
2862 | ||
2863 | 0.23,6.RS,11.RA,16.RB,21.MB,26.ME,31.Rc:M:::Rotate Left Word then AND with Mask | |
2864 | # long n = MASKED(*rB, 59, 63); | |
2865 | # unsigned32 r = ROTL32(*rS, n); | |
2866 | # unsigned32 m = MASK(MB+32, ME+32); | |
2867 | # signed_word result = r & m; | |
2868 | # *rA = result; | |
2869 | # CR0_COMPARE(result, 0, Rc); | |
845ff5a4 | 2870 | |
c143ef62 MM |
2871 | 0.30,6.RS,11.RA,16.sh_0_4,21.mb,27.3,30.sh_5,31.Rc:MD:64::Rotate Left Doubleword Immediate then Mask Insert |
2872 | # long n = (sh_5 << 4) | sh_0_4; | |
2873 | # unsigned_word r = ROTL64(*rS, n); | |
2874 | # long b = (mb_5 << 4) | mb_0_4; | |
2875 | # unsigned_word m = MASK(b, (64-n)); | |
2876 | # signed_word result = (r & m) | (*rA & ~m) | |
2877 | # *rA = result; | |
2878 | # CR0_COMPARE(result, 0, Rc); | |
845ff5a4 | 2879 | |
c143ef62 | 2880 | 0.20,6.RS,11.RA,16.SH,21.MB,26.ME,31.Rc:M::rlwimi:Rotate Left Word Immediate then Mask Insert |
54e98699 MM |
2881 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2882 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2883 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2884 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2885 | long n = SH; |
2886 | unsigned32 r = ROTL32(*rS, n); | |
2887 | unsigned32 m = MASK(MB+32, ME+32); | |
2888 | signed_word result = (r & m) | (*rA & ~m); | |
2889 | *rA = result; | |
45525d8d MM |
2890 | ITRACE(trace_alu, (": n=%ld *rS=0x%lx r=0x%lx m=0x%lx result=0x%lx\n", |
2891 | n, (unsigned long)*rS, (unsigned long)r, (unsigned long)m, | |
2892 | (unsigned long)result)); | |
c143ef62 | 2893 | CR0_COMPARE(result, 0, Rc); |
45525d8d | 2894 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); |
c143ef62 MM |
2895 | |
2896 | ||
2897 | 0.31,6.RS,11.RA,16.RB,21.27,31.Rc:X:64::Shift Left Doubleword | |
845ff5a4 | 2898 | |
c143ef62 | 2899 | 0.31,6.RS,11.RA,16.RB,21.24,31.Rc:X:::Shift Left Word |
54e98699 MM |
2900 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2901 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2902 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2903 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2904 | int n = MASKED(*rB, 59, 63); |
2905 | unsigned32 source = *rS; | |
2906 | signed_word shifted; | |
2907 | if (n < 32) | |
2908 | shifted = (source << n); | |
2909 | else | |
2910 | shifted = 0; | |
2911 | *rA = shifted; | |
2912 | CR0_COMPARE(shifted, 0, Rc); | |
2913 | ITRACE(trace_alu, | |
45525d8d MM |
2914 | ("n=%d, source=0x%lx, shifted=0x%lx\n", |
2915 | n, (unsigned long)source, (unsigned long)shifted)); | |
2916 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); | |
845ff5a4 | 2917 | |
c143ef62 | 2918 | 0.31,6.RS,11.RA,16.RB,21.539,31.Rc:X:64::Shift Right Doubleword |
845ff5a4 | 2919 | |
c143ef62 | 2920 | 0.31,6.RS,11.RA,16.RB,21.536,31.Rc:X:::Shift Right Word |
54e98699 MM |
2921 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2922 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2923 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2924 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2925 | int n = MASKED(*rB, 59, 63); |
2926 | unsigned32 source = *rS; | |
2927 | signed_word shifted; | |
2928 | if (n < 32) | |
2929 | shifted = (source >> n); | |
2930 | else | |
2931 | shifted = 0; | |
2932 | *rA = shifted; | |
2933 | CR0_COMPARE(shifted, 0, Rc); | |
2934 | ITRACE(trace_alu, \ | |
45525d8d MM |
2935 | ("n=%d, source=0x%lx, shifted=0x%lx\n", |
2936 | n, (unsigned long)source, (unsigned long)shifted)); | |
2937 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); | |
c143ef62 MM |
2938 | |
2939 | 0.31,6.RS,11.RA,16.sh_0_4,21.413,30.sh_5,31.Rc:XS:64::Shift Right Algebraic Doubleword Immediate | |
845ff5a4 | 2940 | |
c143ef62 | 2941 | 0.31,6.RS,11.RA,16.SH,21.824,31.Rc:X:::Shift Right Algebraic Word Immediate |
54e98699 MM |
2942 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2943 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2944 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2945 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2946 | int n = SH; |
2947 | signed_word r = ROTL32(*rS, /*64*/32-n); | |
2948 | signed_word m = MASK(n+32, 63); | |
2949 | int S = MASKED(*rS, 32, 32); | |
2950 | signed_word shifted = (r & m) | (S ? ~m : 0); | |
2951 | *rA = shifted; | |
2952 | if (S && ((r & ~m) & MASK(32, 63)) != 0) | |
2953 | XER |= xer_carry; | |
2954 | else | |
2955 | XER &= ~xer_carry; | |
2956 | CR0_COMPARE(shifted, 0, Rc); | |
45525d8d | 2957 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); |
845ff5a4 | 2958 | |
c143ef62 | 2959 | 0.31,6.RS,11.RA,16.RB,21.794,31.Rc:X:64::Shift Right Algebraic Doubleword |
845ff5a4 | 2960 | |
c143ef62 | 2961 | 0.31,6.RS,11.RA,16.RB,21.792,31.Rc:X:::Shift Right Algebraic Word |
54e98699 MM |
2962 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2963 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2964 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
2965 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
c143ef62 MM |
2966 | int n = MASKED(*rB, 58, 63); |
2967 | int shift = (n >= 31 ? 31 : n); | |
2968 | signed32 source = (signed32)*rS; /* signed to keep sign bit */ | |
2969 | signed32 shifted = source >> shift; | |
2970 | unsigned32 mask = ((unsigned32)-1) >> (31-shift); | |
2971 | *rA = (signed_word)shifted; /* if 64bit will sign extend */ | |
2972 | if (source < 0 && (source & mask)) | |
2973 | XER |= xer_carry; | |
2974 | else | |
2975 | XER &= ~xer_carry; | |
2976 | CR0_COMPARE(shifted, 0, Rc); | |
45525d8d | 2977 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); |
c143ef62 MM |
2978 | |
2979 | # | |
2980 | # I.3.3.14 Move to/from System Register Instructions | |
2981 | # | |
2982 | ||
f2181eff | 2983 | 0.31,6.RS,11.SPR,21.467,31./:XFX::mtspr %SPR, %RS:Move to Special Purpose Register |
54e98699 MM |
2984 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
2985 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 | |
2986 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 | |
2987 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 | |
f2181eff MM |
2988 | int n = (SPR{5:9} << 5) | SPR{0:4}; |
2989 | if (SPR{0} && IS_PROBLEM_STATE(processor)) | |
c143ef62 MM |
2990 | program_interrupt(processor, cia, |
2991 | privileged_instruction_program_interrupt); | |
2992 | else if (!spr_is_valid(n) | |
2993 | || spr_is_readonly(n)) | |
2994 | program_interrupt(processor, cia, | |
2995 | illegal_instruction_program_interrupt); | |
2996 | else { | |
2997 | spreg new_val = (spr_length(n) == 64 | |
2998 | ? *rS | |
2999 | : MASKED(*rS, 32, 63)); | |
3000 | /* HACK - time base registers need to be updated immediatly */ | |
3001 | if (WITH_TIME_BASE) { | |
c143ef62 MM |
3002 | switch (n) { |
3003 | case spr_tbu: | |
3004 | cpu_set_time_base(processor, | |
80948f39 MM |
3005 | (MASKED64(cpu_get_time_base(processor), 32, 63) |
3006 | | INSERTED64(new_val, 0, 31))); | |
c143ef62 MM |
3007 | break; |
3008 | case spr_tbl: | |
3009 | cpu_set_time_base(processor, | |
80948f39 MM |
3010 | (MASKED64(cpu_get_time_base(processor), 0, 31) |
3011 | | INSERTED64(new_val, 32, 63))); | |
c143ef62 MM |
3012 | break; |
3013 | case spr_dec: | |
3014 | cpu_set_decrementer(processor, new_val); | |
3015 | break; | |
3016 | default: | |
3017 | SPREG(n) = new_val; | |
3018 | break; | |
3019 | } | |
3020 | } | |
3021 | else { | |
3022 | SPREG(n) = new_val; | |
3023 | } | |
3024 | } | |
45525d8d | 3025 | PPC_INSN_TO_SPR(RS_BITMASK, n); |
845ff5a4 | 3026 | |
f2181eff | 3027 | 0.31,6.RT,11.SPR,21.339,31./:XFX::mfspr %RT, %SPR:Move from Special Purpose Register |
54e98699 MM |
3028 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
3029 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
3030 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
3031 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 | |
f2181eff MM |
3032 | int n = (SPR{5:9} << 5) | SPR{0:4}; |
3033 | if (SPR{0} && IS_PROBLEM_STATE(processor)) | |
c143ef62 MM |
3034 | program_interrupt(processor, cia, |
3035 | privileged_instruction_program_interrupt); | |
3036 | else if (!spr_is_valid(n)) | |
3037 | program_interrupt(processor, cia, | |
3038 | illegal_instruction_program_interrupt); | |
3039 | else { | |
3040 | /* HACK - some SPR's need to get their value extracted specially */ | |
3041 | *rT = SPREG(n); | |
3042 | } | |
45525d8d | 3043 | PPC_INSN_FROM_SPR(RT_BITMASK, n); |
845ff5a4 | 3044 | |
c143ef62 | 3045 | 0.31,6.RS,11./,12.FXM,20./,21.144,31./:XFX::mtfcr:Move to Condition Register Fields |
54e98699 MM |
3046 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 |
3047 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
3048 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
3049 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 | |
c143ef62 MM |
3050 | if (FXM == 0xff) { |
3051 | CR = *rS; | |
3052 | } | |
3053 | else { | |
3054 | unsigned_word mask = 0; | |
3055 | unsigned_word f; | |
3056 | for (f = 0; f < 8; f++) { | |
3057 | if (FXM & (0x80 >> f)) | |
3058 | mask |= (0xf << 4*(7-f)); | |
3059 | } | |
3060 | CR = (MASKED(*rS, 32, 63) & mask) | (CR & ~mask); | |
3061 | } | |
f2181eff | 3062 | PPC_INSN_MTCR(RS_BITMASK, FXM); |
845ff5a4 | 3063 | |
c143ef62 | 3064 | 0.31,6.BF,9./,11./,16./,21.512,31./:X:::Move to Condition Register from XER |
845ff5a4 | 3065 | |
c143ef62 | 3066 | 0.31,6.RT,11./,16./,21.19,31./:X:::Move From Condition Register |
54e98699 MM |
3067 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
3068 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
3069 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
3070 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 | |
c143ef62 | 3071 | *rT = (unsigned32)CR; |
45525d8d | 3072 | PPC_INSN_MFCR(RT_BITMASK); |
c143ef62 MM |
3073 | |
3074 | # | |
3075 | # I.4.6.2 Floating-Point Load Instructions | |
3076 | # | |
3077 | ||
3078 | 0.48,6.FRT,11.RA,16.D:D:f:lfs:Load Floating-Point Single | |
54e98699 MM |
3079 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
3080 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3081 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3082 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
3083 | unsigned_word b; |
3084 | unsigned_word EA; | |
3085 | if (RA == 0) b = 0; | |
3086 | else b = *rA; | |
3087 | EA = b + EXTS(D); | |
3088 | *frT = DOUBLE(MEM(unsigned, EA, 4)); | |
45525d8d | 3089 | PPC_INSN_INT_FLOAT(0, FRT_BITMASK, (RA_BITMASK & ~1), 0); |
845ff5a4 | 3090 | |
c143ef62 | 3091 | 0.31,6.FRT,11.RA,16.RB,21.535,31./:X:f::Load Floating-Point Single Indexed |
54e98699 MM |
3092 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
3093 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3094 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3095 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
3096 | unsigned_word b; |
3097 | unsigned_word EA; | |
3098 | if (RA == 0) b = 0; | |
3099 | else b = *rA; | |
3100 | EA = b + *rB; | |
3101 | *frT = DOUBLE(MEM(unsigned, EA, 4)); | |
45525d8d | 3102 | PPC_INSN_INT_FLOAT(0, FRT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
845ff5a4 | 3103 | |
c143ef62 | 3104 | 0.49,6.FRT,11.RA,16.D:D:f::Load Floating-Point Single with Update |
54e98699 MM |
3105 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
3106 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3107 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3108 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
3109 | unsigned_word EA; |
3110 | if (RA == 0) | |
3111 | program_interrupt(processor, cia, | |
3112 | illegal_instruction_program_interrupt); | |
3113 | EA = *rA + EXTS(D); | |
3114 | *frT = DOUBLE(MEM(unsigned, EA, 4)); | |
3115 | *rA = EA; | |
45525d8d | 3116 | PPC_INSN_INT_FLOAT(RA_BITMASK, FRT_BITMASK, (RA_BITMASK & ~1), 0); |
845ff5a4 | 3117 | |
c143ef62 | 3118 | 0.31,6.FRT,11.RA,16.RB,21.576,31./:X:f::Load Floating-Point Single with Update Indexed |
54e98699 MM |
3119 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
3120 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3121 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3122 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
3123 | unsigned_word EA; |
3124 | if (RA == 0) | |
3125 | program_interrupt(processor, cia, | |
3126 | illegal_instruction_program_interrupt); | |
3127 | EA = *rA + *rB; | |
3128 | *frT = DOUBLE(MEM(unsigned, EA, 4)); | |
3129 | *rA = EA; | |
45525d8d | 3130 | PPC_INSN_INT_FLOAT(RA_BITMASK, FRT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
c143ef62 MM |
3131 | |
3132 | 0.50,6.FRT,11.RA,16.D:D:f::Load Floating-Point Double | |
54e98699 MM |
3133 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
3134 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3135 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3136 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
3137 | unsigned_word b; |
3138 | unsigned_word EA; | |
3139 | if (RA == 0) b = 0; | |
3140 | else b = *rA; | |
3141 | EA = b + EXTS(D); | |
3142 | *frT = MEM(unsigned, EA, 8); | |
45525d8d | 3143 | PPC_INSN_INT_FLOAT(0, FRT_BITMASK, (RA_BITMASK & ~1), 0); |
845ff5a4 | 3144 | |
c143ef62 | 3145 | 0.31,6.FRT,11.RA,16.RB,21.599,31./:X:f::Load Floating-Point Double Indexed |
54e98699 MM |
3146 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
3147 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3148 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3149 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
3150 | unsigned_word b; |
3151 | unsigned_word EA; | |
3152 | if (RA == 0) b = 0; | |
3153 | else b = *rA; | |
3154 | EA = b + *rB; | |
3155 | *frT = MEM(unsigned, EA, 8); | |
45525d8d | 3156 | PPC_INSN_INT_FLOAT(0, FRT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
845ff5a4 | 3157 | |
c143ef62 | 3158 | 0.51,6.FRT,11.RA,16.D:D:f::Load Floating-Point Double with Update |
54e98699 MM |
3159 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
3160 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3161 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3162 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
3163 | unsigned_word EA; |
3164 | if (RA == 0) | |
3165 | program_interrupt(processor, cia, | |
3166 | illegal_instruction_program_interrupt); | |
3167 | EA = *rA + EXTS(D); | |
3168 | *frT = MEM(unsigned, EA, 8); | |
3169 | *rA = EA; | |
45525d8d | 3170 | PPC_INSN_INT_FLOAT(RA_BITMASK, FRT_BITMASK, (RA_BITMASK & ~1), 0); |
845ff5a4 | 3171 | |
c143ef62 | 3172 | 0.31,6.FRT,11.RA,16.RB,21.631,31./:X:f::Load Floating-Point Double with Update Indexed |
54e98699 MM |
3173 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
3174 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3175 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3176 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
3177 | unsigned_word EA; |
3178 | if (RA == 0) | |
3179 | program_interrupt(processor, cia, | |
3180 | illegal_instruction_program_interrupt); | |
3181 | EA = *rA + *rB; | |
3182 | *frT = MEM(unsigned, EA, 8); | |
3183 | *rA = EA; | |
45525d8d | 3184 | PPC_INSN_INT_FLOAT(RA_BITMASK, FRT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
c143ef62 MM |
3185 | |
3186 | ||
3187 | # | |
3188 | # I.4.6.3 Floating-Point Store Instructions | |
3189 | # | |
3190 | ||
3191 | 0.52,6.FRS,11.RA,16.D:D:f::Store Floating-Point Single | |
54e98699 MM |
3192 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
3193 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3194 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3195 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
3196 | unsigned_word b; |
3197 | unsigned_word EA; | |
3198 | if (RA == 0) b = 0; | |
3199 | else b = *rA; | |
3200 | EA = b + EXTS(D); | |
3201 | STORE(EA, 4, SINGLE(*frS)); | |
45525d8d | 3202 | PPC_INSN_INT_FLOAT(0, 0, (RA_BITMASK & ~1), FRS_BITMASK); |
845ff5a4 | 3203 | |
c143ef62 | 3204 | 0.31,6.FRS,11.RA,16.RB,21.663,31./:X:f::Store Floating-Point Single Indexed |
54e98699 MM |
3205 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
3206 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3207 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3208 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
3209 | unsigned_word b; |
3210 | unsigned_word EA; | |
3211 | if (RA == 0) b = 0; | |
3212 | else b = *rA; | |
3213 | EA = b + *rB; | |
3214 | STORE(EA, 4, SINGLE(*frS)); | |
45525d8d | 3215 | PPC_INSN_INT_FLOAT(0, 0, (RA_BITMASK & ~1) | RB_BITMASK, FRS_BITMASK); |
845ff5a4 | 3216 | |
c143ef62 | 3217 | 0.53,6.FRS,11.RA,16.D:D:f::Store Floating-Point Single with Update |
54e98699 MM |
3218 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
3219 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3220 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3221 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
3222 | unsigned_word EA; |
3223 | if (RA == 0) | |
3224 | program_interrupt(processor, cia, | |
3225 | illegal_instruction_program_interrupt); | |
3226 | EA = *rA + EXTS(D); | |
3227 | STORE(EA, 4, SINGLE(*frS)); | |
3228 | *rA = EA; | |
45525d8d | 3229 | PPC_INSN_INT_FLOAT(RA_BITMASK, 0, (RA_BITMASK & ~1), FRS_BITMASK); |
845ff5a4 | 3230 | |
c143ef62 | 3231 | 0.31,6.FRS,11.RA,16.RB,21.695,31./:X:f::Store Floating-Point Single with Update Indexed |
54e98699 MM |
3232 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
3233 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3234 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3235 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
3236 | unsigned_word EA; |
3237 | if (RA == 0) | |
3238 | program_interrupt(processor, cia, | |
3239 | illegal_instruction_program_interrupt); | |
3240 | EA = *rA + *rB; | |
3241 | STORE(EA, 4, SINGLE(*frS)); | |
3242 | *rA = EA; | |
45525d8d | 3243 | PPC_INSN_INT_FLOAT(RA_BITMASK, 0, (RA_BITMASK & ~1) | RB_BITMASK, FRS_BITMASK); |
c143ef62 MM |
3244 | |
3245 | 0.54,6.FRS,11.RA,16.D:D:f::Store Floating-Point Double | |
54e98699 MM |
3246 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
3247 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3248 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3249 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
3250 | unsigned_word b; |
3251 | unsigned_word EA; | |
3252 | if (RA == 0) b = 0; | |
3253 | else b = *rA; | |
3254 | EA = b + EXTS(D); | |
3255 | STORE(EA, 8, *frS); | |
45525d8d | 3256 | PPC_INSN_INT_FLOAT(0, 0, (RA_BITMASK & ~1), FRS_BITMASK); |
845ff5a4 | 3257 | |
c143ef62 | 3258 | 0.31,6.FRS,11.RA,16.RB,21.727,31./:X:f::Store Floating-Point Double Indexed |
54e98699 MM |
3259 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
3260 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3261 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3262 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
3263 | unsigned_word b; |
3264 | unsigned_word EA; | |
3265 | if (RA == 0) b = 0; | |
3266 | else b = *rA; | |
3267 | EA = b + *rB; | |
3268 | STORE(EA, 8, *frS); | |
45525d8d | 3269 | PPC_INSN_INT_FLOAT(0, 0, (RA_BITMASK & ~1) | RB_BITMASK, FRS_BITMASK); |
845ff5a4 | 3270 | |
c143ef62 | 3271 | 0.55,6.FRS,11.RA,16.D:D:f::Store Floating-Point Double with Update |
54e98699 MM |
3272 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
3273 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3274 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3275 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
3276 | unsigned_word EA; |
3277 | if (RA == 0) | |
3278 | program_interrupt(processor, cia, | |
3279 | illegal_instruction_program_interrupt); | |
3280 | EA = *rA + EXTS(D); | |
3281 | STORE(EA, 8, *frS); | |
3282 | *rA = EA; | |
45525d8d | 3283 | PPC_INSN_INT_FLOAT(RA_BITMASK, 0, (RA_BITMASK & ~1), FRS_BITMASK); |
845ff5a4 | 3284 | |
c143ef62 | 3285 | 0.31,6.FRS,11.RA,16.RB,21.759,31./:X:f::Store Floating-Point Double with Update Indexed |
54e98699 MM |
3286 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
3287 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3288 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
3289 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
c143ef62 MM |
3290 | unsigned_word EA; |
3291 | if (RA == 0) | |
3292 | program_interrupt(processor, cia, | |
3293 | illegal_instruction_program_interrupt); | |
3294 | EA = *rA + *rB; | |
3295 | STORE(EA, 8, *frS); | |
3296 | *rA = EA; | |
45525d8d | 3297 | PPC_INSN_INT_FLOAT(RA_BITMASK, 0, (RA_BITMASK & ~1) | RB_BITMASK, FRS_BITMASK); |
c143ef62 MM |
3298 | |
3299 | ||
3300 | # | |
3301 | # I.4.6.4 Floating-Point Move Instructions | |
3302 | # | |
3303 | ||
3304 | 0.63,6.FRT,11./,16.FRB,21.72,31.Rc:X:f::Floating Move Register | |
54e98699 MM |
3305 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
3306 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3307 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3308 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
c143ef62 MM |
3309 | *frT = *frB; |
3310 | CR1_UPDATE(Rc); | |
45525d8d | 3311 | PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); |
845ff5a4 | 3312 | |
c143ef62 | 3313 | 0.63,6.FRT,11./,16.FRB,21.40,31.Rc:X:f::Floating Negate |
54e98699 MM |
3314 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
3315 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3316 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3317 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
c143ef62 MM |
3318 | *frT = *frB ^ BIT64(0); |
3319 | CR1_UPDATE(Rc); | |
45525d8d | 3320 | PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); |
845ff5a4 | 3321 | |
c143ef62 | 3322 | 0.63,6.FRT,11./,16.FRB,21.264,31.Rc:X:f::Floating Absolute Value |
54e98699 MM |
3323 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
3324 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3325 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3326 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
c143ef62 MM |
3327 | *frT = *frB & ~BIT64(0); |
3328 | CR1_UPDATE(Rc); | |
45525d8d | 3329 | PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); |
845ff5a4 | 3330 | |
c143ef62 | 3331 | 0.63,6.FRT,11./,16.FRB,21.136,31.Rc:X:f::Floating Negative Absolute Value |
54e98699 MM |
3332 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
3333 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3334 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3335 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
c143ef62 MM |
3336 | *frT = *frB | BIT64(0); |
3337 | CR1_UPDATE(Rc); | |
45525d8d | 3338 | PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); |
c143ef62 MM |
3339 | |
3340 | ||
3341 | # | |
3342 | # I.4.6.5 Floating-Point Arithmetic Instructions | |
3343 | # | |
3344 | ||
3345 | 0.63,6.FRT,11.FRA,16.FRB,21./,26.21,31.Rc:A:f:fadd:Floating Add | |
54e98699 MM |
3346 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
3347 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3348 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3349 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
c143ef62 MM |
3350 | FPSCR_BEGIN; |
3351 | if (is_invalid_operation(processor, cia, | |
3352 | *frA, *frB, | |
3353 | fpscr_vxsnan | fpscr_vxisi, | |
3354 | 0, /*single?*/ | |
3355 | 0) /*negate?*/) { | |
3356 | invalid_arithemetic_operation(processor, cia, | |
3357 | frT, *frA, *frB, 0, | |
3358 | 0, /*instruction_is_frsp*/ | |
3359 | 0, /*instruction_is_convert_to_64bit*/ | |
3360 | 0, /*instruction_is_convert_to_32bit*/ | |
3361 | 0); /*single-precision*/ | |
3362 | } | |
3363 | else { | |
3364 | /*HACK!*/ | |
3365 | double s = *(double*)frA + *(double*)frB; | |
3366 | *(double*)frT = s; | |
3367 | } | |
3368 | FPSCR_END(Rc); | |
45525d8d | 3369 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); |
845ff5a4 | 3370 | |
c143ef62 | 3371 | 0.59,6.FRT,11.FRA,16.FRB,21./,26.21,31.Rc:A:f:fadds:Floating Add Single |
54e98699 MM |
3372 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
3373 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3374 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3375 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
c143ef62 MM |
3376 | FPSCR_BEGIN; |
3377 | if (is_invalid_operation(processor, cia, | |
3378 | *frA, *frB, | |
3379 | fpscr_vxsnan | fpscr_vxisi, | |
3380 | 1, /*single?*/ | |
3381 | 0) /*negate?*/) { | |
3382 | invalid_arithemetic_operation(processor, cia, | |
3383 | frT, *frA, *frB, 0, | |
3384 | 0, /*instruction_is_frsp*/ | |
3385 | 0, /*instruction_is_convert_to_64bit*/ | |
3386 | 0, /*instruction_is_convert_to_32bit*/ | |
3387 | 1); /*single-precision*/ | |
3388 | } | |
3389 | else { | |
3390 | /*HACK!*/ | |
3391 | float s = *(double*)frA + *(double*)frB; | |
3392 | *(double*)frT = s; | |
3393 | } | |
3394 | FPSCR_END(Rc); | |
45525d8d | 3395 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); |
c143ef62 MM |
3396 | |
3397 | 0.63,6.FRT,11.FRA,16.FRB,21./,26.20,31.Rc:A:f:fsub:Floating Subtract | |
54e98699 MM |
3398 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
3399 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3400 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3401 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
c143ef62 MM |
3402 | FPSCR_BEGIN; |
3403 | if (is_invalid_operation(processor, cia, | |
3404 | *frA, *frB, | |
3405 | fpscr_vxsnan | fpscr_vxisi, | |
3406 | 0, /*single?*/ | |
3407 | 1) /*negate?*/) { | |
3408 | invalid_arithemetic_operation(processor, cia, | |
3409 | frT, *frA, *frB, 0, | |
3410 | 0, /*instruction_is_frsp*/ | |
3411 | 0, /*instruction_is_convert_to_64bit*/ | |
3412 | 0, /*instruction_is_convert_to_32bit*/ | |
3413 | 0); /*single-precision*/ | |
3414 | } | |
3415 | else { | |
3416 | /*HACK!*/ | |
3417 | double s = *(double*)frA - *(double*)frB; | |
3418 | *(double*)frT = s; | |
3419 | } | |
3420 | FPSCR_END(Rc); | |
45525d8d | 3421 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); |
845ff5a4 | 3422 | |
c143ef62 | 3423 | 0.59,6.FRT,11.FRA,16.FRB,21./,26.20,31.Rc:A:f:fsubs:Floating Subtract Single |
54e98699 MM |
3424 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
3425 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3426 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3427 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
c143ef62 MM |
3428 | FPSCR_BEGIN; |
3429 | if (is_invalid_operation(processor, cia, | |
3430 | *frA, *frB, | |
3431 | fpscr_vxsnan | fpscr_vxisi, | |
3432 | 1, /*single?*/ | |
3433 | 1) /*negate?*/) { | |
3434 | invalid_arithemetic_operation(processor, cia, | |
3435 | frT, *frA, *frB, 0, | |
3436 | 0, /*instruction_is_frsp*/ | |
3437 | 0, /*instruction_is_convert_to_64bit*/ | |
3438 | 0, /*instruction_is_convert_to_32bit*/ | |
3439 | 1); /*single-precision*/ | |
3440 | } | |
3441 | else { | |
3442 | /*HACK!*/ | |
3443 | float s = *(double*)frA - *(double*)frB; | |
3444 | *(double*)frT = s; | |
3445 | } | |
3446 | FPSCR_END(Rc); | |
45525d8d | 3447 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); |
c143ef62 MM |
3448 | |
3449 | 0.63,6.FRT,11.FRA,16./,21.FRC,26.25,31.Rc:A:f:fmul:Floating Multiply | |
54e98699 MM |
3450 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0 |
3451 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 | |
3452 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 | |
3453 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
c143ef62 MM |
3454 | FPSCR_BEGIN; |
3455 | if (is_invalid_operation(processor, cia, | |
3456 | *frA, *frC, | |
3457 | fpscr_vxsnan | fpscr_vximz, | |
3458 | 0, /*single?*/ | |
3459 | 0) /*negate?*/) { | |
3460 | invalid_arithemetic_operation(processor, cia, | |
3461 | frT, *frA, 0, *frC, | |
3462 | 0, /*instruction_is_frsp*/ | |
3463 | 0, /*instruction_is_convert_to_64bit*/ | |
3464 | 0, /*instruction_is_convert_to_32bit*/ | |
3465 | 0); /*single-precision*/ | |
3466 | } | |
3467 | else { | |
3468 | /*HACK!*/ | |
3469 | double s = *(double*)frA * *(double*)frC; | |
3470 | *(double*)frT = s; | |
3471 | } | |
3472 | FPSCR_END(Rc); | |
45525d8d | 3473 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRC_BITMASK, Rc); |
845ff5a4 | 3474 | |
c143ef62 | 3475 | 0.59,6.FRT,11.FRA,16./,21.FRC,26.25,31.Rc:A:f:fmuls:Floating Multiply Single |
54e98699 MM |
3476 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
3477 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3478 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3479 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
c143ef62 MM |
3480 | FPSCR_BEGIN; |
3481 | if (is_invalid_operation(processor, cia, | |
3482 | *frA, *frC, | |
3483 | fpscr_vxsnan | fpscr_vximz, | |
3484 | 1, /*single?*/ | |
3485 | 0) /*negate?*/) { | |
3486 | invalid_arithemetic_operation(processor, cia, | |
3487 | frT, *frA, 0, *frC, | |
3488 | 0, /*instruction_is_frsp*/ | |
3489 | 0, /*instruction_is_convert_to_64bit*/ | |
3490 | 0, /*instruction_is_convert_to_32bit*/ | |
3491 | 1); /*single-precision*/ | |
3492 | } | |
3493 | else { | |
3494 | /*HACK!*/ | |
3495 | float s = *(double*)frA * *(double*)frC; | |
3496 | *(double*)frT = s; | |
3497 | } | |
3498 | FPSCR_END(Rc); | |
45525d8d | 3499 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRC_BITMASK, Rc); |
c143ef62 MM |
3500 | |
3501 | 0.63,6.FRT,11.FRA,16.FRB,21./,26.18,31.Rc:A:f:fdiv:Floating Divide | |
54e98699 MM |
3502 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 31, 31, 0 |
3503 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 33, 33, 0 | |
3504 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 33, 33, 0 | |
3505 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 32, 32, 0 | |
c143ef62 MM |
3506 | FPSCR_BEGIN; |
3507 | if (is_invalid_operation(processor, cia, | |
3508 | *frA, *frB, | |
3509 | fpscr_vxsnan | fpscr_vxzdz, | |
3510 | 0, /*single?*/ | |
3511 | 0) /*negate?*/) { | |
3512 | invalid_arithemetic_operation(processor, cia, | |
3513 | frT, *frA, *frB, 0, | |
3514 | 0, /*instruction_is_frsp*/ | |
3515 | 0, /*instruction_is_convert_to_64bit*/ | |
3516 | 0, /*instruction_is_convert_to_32bit*/ | |
3517 | 0); /*single-precision*/ | |
3518 | } | |
3519 | else { | |
3520 | /*HACK!*/ | |
3521 | double s = *(double*)frA / *(double*)frB; | |
3522 | *(double*)frT = s; | |
3523 | } | |
3524 | FPSCR_END(Rc); | |
45525d8d | 3525 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); |
845ff5a4 | 3526 | |
c143ef62 | 3527 | 0.59,6.FRT,11.FRA,16.FRB,21./,26.18,31.Rc:A:f:fdivs:Floating Divide Single |
54e98699 MM |
3528 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 17, 17, 0 |
3529 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 18, 18, 0 | |
3530 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 18, 18, 0 | |
3531 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 18, 18, 0 | |
c143ef62 MM |
3532 | FPSCR_BEGIN; |
3533 | if (is_invalid_operation(processor, cia, | |
3534 | *frA, *frB, | |
3535 | fpscr_vxsnan | fpscr_vxzdz, | |
3536 | 1, /*single?*/ | |
3537 | 0) /*negate?*/) { | |
3538 | invalid_arithemetic_operation(processor, cia, | |
3539 | frT, *frA, *frB, 0, | |
3540 | 0, /*instruction_is_frsp*/ | |
3541 | 0, /*instruction_is_convert_to_64bit*/ | |
3542 | 0, /*instruction_is_convert_to_32bit*/ | |
3543 | 1); /*single-precision*/ | |
3544 | } | |
3545 | else { | |
3546 | /*HACK!*/ | |
3547 | float s = *(double*)frA / *(double*)frB; | |
3548 | *(double*)frT = s; | |
3549 | } | |
3550 | FPSCR_END(Rc); | |
45525d8d | 3551 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); |
c143ef62 MM |
3552 | |
3553 | 0.63,6.FRT,11.FRA,16.FRB,21.FRC,26.29,31.Rc:A:f:fmadd:Floating Multiply-Add | |
54e98699 MM |
3554 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0 |
3555 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 | |
3556 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 | |
3557 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
c143ef62 MM |
3558 | FPSCR_BEGIN; |
3559 | double product; /*HACK! - incorrectly loosing precision ... */ | |
3560 | /* compute the multiply */ | |
3561 | if (is_invalid_operation(processor, cia, | |
3562 | *frA, *frC, | |
3563 | fpscr_vxsnan | fpscr_vximz, | |
3564 | 0, /*single?*/ | |
3565 | 0) /*negate?*/) { | |
3566 | invalid_arithemetic_operation(processor, cia, | |
3567 | (unsigned64*)&product, *frA, 0, *frC, | |
3568 | 0, /*instruction_is_frsp*/ | |
3569 | 0, /*instruction_is_convert_to_64bit*/ | |
3570 | 0, /*instruction_is_convert_to_32bit*/ | |
3571 | 0); /*single-precision*/ | |
3572 | } | |
3573 | else { | |
3574 | /*HACK!*/ | |
3575 | product = *(double*)frA * *(double*)frC; | |
3576 | } | |
3577 | /* compute the add */ | |
3578 | if (is_invalid_operation(processor, cia, | |
3579 | product, *frB, | |
3580 | fpscr_vxsnan | fpscr_vxisi, | |
3581 | 0, /*single?*/ | |
3582 | 0) /*negate?*/) { | |
3583 | invalid_arithemetic_operation(processor, cia, | |
3584 | frT, product, *frB, 0, | |
3585 | 0, /*instruction_is_frsp*/ | |
3586 | 0, /*instruction_is_convert_to_64bit*/ | |
3587 | 0, /*instruction_is_convert_to_32bit*/ | |
3588 | 0); /*single-precision*/ | |
3589 | } | |
3590 | else { | |
3591 | /*HACK!*/ | |
3592 | double s = product + *(double*)frB; | |
3593 | *(double*)frT = s; | |
3594 | } | |
3595 | FPSCR_END(Rc); | |
45525d8d | 3596 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
845ff5a4 | 3597 | |
c143ef62 | 3598 | 0.59,6.FRT,11.FRA,16.FRB,21.FRC,26.29,31.Rc:A:f::Floating Multiply-Add Single |
54e98699 MM |
3599 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
3600 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3601 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3602 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
4a0351ab MM |
3603 | FPSCR_BEGIN; |
3604 | float product; /*HACK! - incorrectly loosing precision ... */ | |
3605 | /* compute the multiply */ | |
3606 | if (is_invalid_operation(processor, cia, | |
3607 | *frA, *frC, | |
3608 | fpscr_vxsnan | fpscr_vximz, | |
3609 | 1, /*single?*/ | |
3610 | 0) /*negate?*/) { | |
3611 | invalid_arithemetic_operation(processor, cia, | |
3612 | (unsigned64*)&product, *frA, 0, *frC, | |
3613 | 0, /*instruction_is_frsp*/ | |
3614 | 0, /*instruction_is_convert_to_64bit*/ | |
3615 | 0, /*instruction_is_convert_to_32bit*/ | |
3616 | 0); /*single-precision*/ | |
3617 | } | |
3618 | else { | |
3619 | /*HACK!*/ | |
3620 | product = *(double*)frA * *(double*)frC; | |
3621 | } | |
3622 | /* compute the add */ | |
3623 | if (is_invalid_operation(processor, cia, | |
3624 | product, *frB, | |
3625 | fpscr_vxsnan | fpscr_vxisi, | |
3626 | 1, /*single?*/ | |
3627 | 0) /*negate?*/) { | |
3628 | invalid_arithemetic_operation(processor, cia, | |
3629 | frT, product, *frB, 0, | |
3630 | 0, /*instruction_is_frsp*/ | |
3631 | 0, /*instruction_is_convert_to_64bit*/ | |
3632 | 0, /*instruction_is_convert_to_32bit*/ | |
3633 | 0); /*single-precision*/ | |
3634 | } | |
3635 | else { | |
3636 | /*HACK!*/ | |
3637 | float s = product + *(double*)frB; | |
3638 | *(double*)frT = (double)s; | |
3639 | } | |
3640 | FPSCR_END(Rc); | |
45525d8d | 3641 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
4a0351ab MM |
3642 | |
3643 | 0.63,6.FRT,11.FRA,16.FRB,21.FRC,26.28,31.Rc:A:f::Floating Multiply-Subtract | |
3644 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0 | |
3645 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 | |
3646 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 | |
54e98699 | 3647 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
4a0351ab MM |
3648 | FPSCR_BEGIN; |
3649 | double product; /*HACK! - incorrectly loosing precision ... */ | |
3650 | /* compute the multiply */ | |
3651 | if (is_invalid_operation(processor, cia, | |
3652 | *frA, *frC, | |
3653 | fpscr_vxsnan | fpscr_vximz, | |
3654 | 0, /*single?*/ | |
3655 | 0) /*negate?*/) { | |
3656 | invalid_arithemetic_operation(processor, cia, | |
3657 | (unsigned64*)&product, *frA, 0, *frC, | |
3658 | 0, /*instruction_is_frsp*/ | |
3659 | 0, /*instruction_is_convert_to_64bit*/ | |
3660 | 0, /*instruction_is_convert_to_32bit*/ | |
3661 | 0); /*single-precision*/ | |
3662 | } | |
3663 | else { | |
3664 | /*HACK!*/ | |
3665 | product = *(double*)frA * *(double*)frC; | |
3666 | } | |
3667 | /* compute the subtract */ | |
3668 | if (is_invalid_operation(processor, cia, | |
3669 | product, *frB, | |
3670 | fpscr_vxsnan | fpscr_vxisi, | |
3671 | 0, /*single?*/ | |
3672 | 0) /*negate?*/) { | |
3673 | invalid_arithemetic_operation(processor, cia, | |
3674 | frT, product, *frB, 0, | |
3675 | 0, /*instruction_is_frsp*/ | |
3676 | 0, /*instruction_is_convert_to_64bit*/ | |
3677 | 0, /*instruction_is_convert_to_32bit*/ | |
3678 | 0); /*single-precision*/ | |
3679 | } | |
3680 | else { | |
3681 | /*HACK!*/ | |
3682 | double s = product - *(double*)frB; | |
3683 | *(double*)frT = s; | |
3684 | } | |
3685 | FPSCR_END(Rc); | |
45525d8d | 3686 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
845ff5a4 | 3687 | |
c143ef62 | 3688 | 0.59,6.FRT,11.FRA,16.FRB,21.FRC,26.28,31.Rc:A:f::Floating Multiply-Subtract Single |
54e98699 MM |
3689 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
3690 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3691 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3692 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
4a0351ab MM |
3693 | FPSCR_BEGIN; |
3694 | float product; /*HACK! - incorrectly loosing precision ... */ | |
3695 | /* compute the multiply */ | |
3696 | if (is_invalid_operation(processor, cia, | |
3697 | *frA, *frC, | |
3698 | fpscr_vxsnan | fpscr_vximz, | |
3699 | 1, /*single?*/ | |
3700 | 0) /*negate?*/) { | |
3701 | invalid_arithemetic_operation(processor, cia, | |
3702 | (unsigned64*)&product, *frA, 0, *frC, | |
3703 | 0, /*instruction_is_frsp*/ | |
3704 | 0, /*instruction_is_convert_to_64bit*/ | |
3705 | 0, /*instruction_is_convert_to_32bit*/ | |
3706 | 0); /*single-precision*/ | |
3707 | } | |
3708 | else { | |
3709 | /*HACK!*/ | |
3710 | product = *(double*)frA * *(double*)frC; | |
3711 | } | |
3712 | /* compute the subtract */ | |
3713 | if (is_invalid_operation(processor, cia, | |
3714 | product, *frB, | |
3715 | fpscr_vxsnan | fpscr_vxisi, | |
3716 | 1, /*single?*/ | |
3717 | 0) /*negate?*/) { | |
3718 | invalid_arithemetic_operation(processor, cia, | |
3719 | frT, product, *frB, 0, | |
3720 | 0, /*instruction_is_frsp*/ | |
3721 | 0, /*instruction_is_convert_to_64bit*/ | |
3722 | 0, /*instruction_is_convert_to_32bit*/ | |
3723 | 0); /*single-precision*/ | |
3724 | } | |
3725 | else { | |
3726 | /*HACK!*/ | |
3727 | float s = product - *(double*)frB; | |
3728 | *(double*)frT = (double)s; | |
3729 | } | |
3730 | FPSCR_END(Rc); | |
45525d8d | 3731 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
c143ef62 MM |
3732 | |
3733 | 0.63,6.FRT,11.FRA,16.FRB,21.FRC,26.31,31.Rc:A:f::Floating Negative Multiply-Add | |
54e98699 MM |
3734 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0 |
3735 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 | |
3736 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 | |
3737 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
4a0351ab MM |
3738 | FPSCR_BEGIN; |
3739 | double product; /*HACK! - incorrectly loosing precision ... */ | |
3740 | /* compute the multiply */ | |
3741 | if (is_invalid_operation(processor, cia, | |
3742 | *frA, *frC, | |
3743 | fpscr_vxsnan | fpscr_vximz, | |
3744 | 0, /*single?*/ | |
3745 | 0) /*negate?*/) { | |
3746 | invalid_arithemetic_operation(processor, cia, | |
3747 | (unsigned64*)&product, *frA, 0, *frC, | |
3748 | 0, /*instruction_is_frsp*/ | |
3749 | 0, /*instruction_is_convert_to_64bit*/ | |
3750 | 0, /*instruction_is_convert_to_32bit*/ | |
3751 | 0); /*single-precision*/ | |
3752 | } | |
3753 | else { | |
3754 | /*HACK!*/ | |
3755 | product = *(double*)frA * *(double*)frC; | |
3756 | } | |
3757 | /* compute the add */ | |
3758 | if (is_invalid_operation(processor, cia, | |
3759 | product, *frB, | |
3760 | fpscr_vxsnan | fpscr_vxisi, | |
3761 | 0, /*single?*/ | |
3762 | 0) /*negate?*/) { | |
3763 | invalid_arithemetic_operation(processor, cia, | |
3764 | frT, product, *frB, 0, | |
3765 | 0, /*instruction_is_frsp*/ | |
3766 | 0, /*instruction_is_convert_to_64bit*/ | |
3767 | 0, /*instruction_is_convert_to_32bit*/ | |
3768 | 0); /*single-precision*/ | |
3769 | } | |
3770 | else { | |
3771 | /*HACK!*/ | |
3772 | double s = -(product + *(double*)frB); | |
3773 | *(double*)frT = s; | |
3774 | } | |
3775 | FPSCR_END(Rc); | |
45525d8d | 3776 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
845ff5a4 | 3777 | |
c143ef62 | 3778 | 0.59,6.FRT,11.FRA,16.FRB,21.FRC,26.31,31.Rc:A:f::Floating Negative Multiply-Add Single |
54e98699 MM |
3779 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
3780 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3781 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3782 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
4a0351ab MM |
3783 | FPSCR_BEGIN; |
3784 | float product; /*HACK! - incorrectly loosing precision ... */ | |
3785 | /* compute the multiply */ | |
3786 | if (is_invalid_operation(processor, cia, | |
3787 | *frA, *frC, | |
3788 | fpscr_vxsnan | fpscr_vximz, | |
3789 | 1, /*single?*/ | |
3790 | 0) /*negate?*/) { | |
3791 | invalid_arithemetic_operation(processor, cia, | |
3792 | (unsigned64*)&product, *frA, 0, *frC, | |
3793 | 0, /*instruction_is_frsp*/ | |
3794 | 0, /*instruction_is_convert_to_64bit*/ | |
3795 | 0, /*instruction_is_convert_to_32bit*/ | |
3796 | 0); /*single-precision*/ | |
3797 | } | |
3798 | else { | |
3799 | /*HACK!*/ | |
3800 | product = *(double*)frA * *(double*)frC; | |
3801 | } | |
3802 | /* compute the add */ | |
3803 | if (is_invalid_operation(processor, cia, | |
3804 | product, *frB, | |
3805 | fpscr_vxsnan | fpscr_vxisi, | |
3806 | 1, /*single?*/ | |
3807 | 0) /*negate?*/) { | |
3808 | invalid_arithemetic_operation(processor, cia, | |
3809 | frT, product, *frB, 0, | |
3810 | 0, /*instruction_is_frsp*/ | |
3811 | 0, /*instruction_is_convert_to_64bit*/ | |
3812 | 0, /*instruction_is_convert_to_32bit*/ | |
3813 | 0); /*single-precision*/ | |
3814 | } | |
3815 | else { | |
3816 | /*HACK!*/ | |
3817 | float s = -(product + *(double*)frB); | |
3818 | *(double*)frT = (double)s; | |
3819 | } | |
3820 | FPSCR_END(Rc); | |
45525d8d | 3821 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
c143ef62 MM |
3822 | |
3823 | 0.63,6.FRT,11.FRA,16.FRB,21.FRC,26.30,31.Rc:A:f::Floating Negative Multiply-Subtract | |
54e98699 MM |
3824 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0 |
3825 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 | |
3826 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 | |
3827 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
4a0351ab MM |
3828 | FPSCR_BEGIN; |
3829 | double product; /*HACK! - incorrectly loosing precision ... */ | |
3830 | /* compute the multiply */ | |
3831 | if (is_invalid_operation(processor, cia, | |
3832 | *frA, *frC, | |
3833 | fpscr_vxsnan | fpscr_vximz, | |
3834 | 0, /*single?*/ | |
3835 | 0) /*negate?*/) { | |
3836 | invalid_arithemetic_operation(processor, cia, | |
3837 | (unsigned64*)&product, *frA, 0, *frC, | |
3838 | 0, /*instruction_is_frsp*/ | |
3839 | 0, /*instruction_is_convert_to_64bit*/ | |
3840 | 0, /*instruction_is_convert_to_32bit*/ | |
3841 | 0); /*single-precision*/ | |
3842 | } | |
3843 | else { | |
3844 | /*HACK!*/ | |
3845 | product = *(double*)frA * *(double*)frC; | |
3846 | } | |
3847 | /* compute the subtract */ | |
3848 | if (is_invalid_operation(processor, cia, | |
3849 | product, *frB, | |
3850 | fpscr_vxsnan | fpscr_vxisi, | |
3851 | 0, /*single?*/ | |
3852 | 0) /*negate?*/) { | |
3853 | invalid_arithemetic_operation(processor, cia, | |
3854 | frT, product, *frB, 0, | |
3855 | 0, /*instruction_is_frsp*/ | |
3856 | 0, /*instruction_is_convert_to_64bit*/ | |
3857 | 0, /*instruction_is_convert_to_32bit*/ | |
3858 | 0); /*single-precision*/ | |
3859 | } | |
3860 | else { | |
3861 | /*HACK!*/ | |
3862 | double s = -(product - *(double*)frB); | |
3863 | *(double*)frT = s; | |
3864 | } | |
3865 | FPSCR_END(Rc); | |
45525d8d | 3866 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
845ff5a4 | 3867 | |
c143ef62 | 3868 | 0.59,6.FRT,11.FRA,16.FRB,21.FRC,26.30,31.Rc:A:f::Floating Negative Multiply-Subtract Single |
54e98699 MM |
3869 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
3870 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3871 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3872 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
4a0351ab MM |
3873 | FPSCR_BEGIN; |
3874 | float product; /*HACK! - incorrectly loosing precision ... */ | |
3875 | /* compute the multiply */ | |
3876 | if (is_invalid_operation(processor, cia, | |
3877 | *frA, *frC, | |
3878 | fpscr_vxsnan | fpscr_vximz, | |
3879 | 1, /*single?*/ | |
3880 | 0) /*negate?*/) { | |
3881 | invalid_arithemetic_operation(processor, cia, | |
3882 | (unsigned64*)&product, *frA, 0, *frC, | |
3883 | 0, /*instruction_is_frsp*/ | |
3884 | 0, /*instruction_is_convert_to_64bit*/ | |
3885 | 0, /*instruction_is_convert_to_32bit*/ | |
3886 | 0); /*single-precision*/ | |
3887 | } | |
3888 | else { | |
3889 | /*HACK!*/ | |
3890 | product = *(double*)frA * *(double*)frC; | |
3891 | } | |
3892 | /* compute the subtract */ | |
3893 | if (is_invalid_operation(processor, cia, | |
3894 | product, *frB, | |
3895 | fpscr_vxsnan | fpscr_vxisi, | |
3896 | 1, /*single?*/ | |
3897 | 0) /*negate?*/) { | |
3898 | invalid_arithemetic_operation(processor, cia, | |
3899 | frT, product, *frB, 0, | |
3900 | 0, /*instruction_is_frsp*/ | |
3901 | 0, /*instruction_is_convert_to_64bit*/ | |
3902 | 0, /*instruction_is_convert_to_32bit*/ | |
3903 | 0); /*single-precision*/ | |
3904 | } | |
3905 | else { | |
3906 | /*HACK!*/ | |
3907 | float s = -(product - *(double*)frB); | |
3908 | *(double*)frT = (double)s; | |
3909 | } | |
3910 | FPSCR_END(Rc); | |
45525d8d | 3911 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
c143ef62 MM |
3912 | |
3913 | ||
3914 | # | |
3915 | # I.4.6.6 Floating-Point Rounding and Conversion Instructions | |
3916 | # | |
3917 | ||
3918 | 0.63,6.FRT,11./,16.FRB,21.12,31.Rc:X:f::Floating Round to Single-Precision | |
54e98699 MM |
3919 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
3920 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3921 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
3922 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
c143ef62 MM |
3923 | int sign; |
3924 | int exp; | |
3925 | unsigned64 frac_grx; | |
3926 | /* split off cases for what to do */ | |
3927 | if (EXTRACTED64(*frB, 1, 11) < 897 | |
3928 | && EXTRACTED64(*frB, 1, 63) > 0) { | |
3929 | if ((FPSCR & fpscr_ue) == 0) goto Disabled_Exponent_Underflow; | |
3930 | if ((FPSCR & fpscr_ue) != 0) goto Enabled_Exponent_Underflow; | |
3931 | } | |
3932 | if (EXTRACTED64(*frB, 1, 11) > 1150 | |
3933 | && EXTRACTED64(*frB, 1, 11) < 2047) { | |
3934 | if ((FPSCR & fpscr_oe) == 0) goto Disabled_Exponent_Overflow; | |
3935 | if ((FPSCR & fpscr_oe) != 0) goto Enabled_Exponent_Overflow; | |
3936 | } | |
3937 | if (EXTRACTED64(*frB, 1, 11) > 896 | |
3938 | && EXTRACTED64(*frB, 1, 11) < 1151) goto Normal_Operand; | |
3939 | if (EXTRACTED64(*frB, 1, 63) == 0) goto Zero_Operand; | |
3940 | if (EXTRACTED64(*frB, 1, 11) == 2047) { | |
3941 | if (EXTRACTED64(*frB, 12, 63) == 0) goto Infinity_Operand; | |
3942 | if (EXTRACTED64(*frB, 12, 12) == 1) goto QNaN_Operand; | |
3943 | if (EXTRACTED64(*frB, 12, 12) == 0 | |
3944 | && EXTRACTED64(*frB, 13, 63) > 0) goto SNaN_Operand; | |
3945 | } | |
3946 | /* handle them */ | |
3947 | Disabled_Exponent_Underflow: | |
3948 | sign = EXTRACTED64(*frB, 0, 0); | |
3949 | if (EXTRACTED64(*frB, 1, 11) == 0) { | |
3950 | exp = -1022; | |
3951 | frac_grx = INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52); | |
3952 | } | |
3953 | if (EXTRACTED64(*frB, 1, 11) > 0) { | |
3954 | exp = EXTRACTED64(*frB, 1, 11) - 1023; | |
3955 | frac_grx = BIT64(0) | INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52); | |
3956 | } | |
c143ef62 MM |
3957 | /* G|R|X == zero from above */ |
3958 | while (exp < -126) { | |
3959 | exp = exp - 1; | |
3960 | frac_grx = (INSERTED64(EXTRACTED64(frac_grx, 0, 54), 1, 55) | |
3961 | | MASKED64(frac_grx, 55, 55)); | |
3962 | } | |
3963 | FPSCR_SET_UX(EXTRACTED64(frac_grx, 24, 55) > 0); | |
3964 | Round_Single(processor, sign, &exp, &frac_grx); | |
3965 | FPSCR_SET_XX(FPSCR & fpscr_fi); | |
3966 | if (EXTRACTED64(frac_grx, 0, 52) == 0) { | |
3967 | *frT = INSERTED64(sign, 0, 0); | |
3968 | if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_zero); | |
3969 | if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_zero); | |
3970 | } | |
3971 | if (EXTRACTED64(frac_grx, 0, 52) > 0) { | |
3972 | if (EXTRACTED64(frac_grx, 0, 0) == 1) { | |
3973 | if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); | |
3974 | if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); | |
3975 | } | |
3976 | if (EXTRACTED64(frac_grx, 0, 0) == 0) { | |
3977 | if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_denormalized_number); | |
3978 | if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_denormalized_number); | |
3979 | } | |
3980 | /*Normalize_Operand:*/ | |
3981 | while (EXTRACTED64(frac_grx, 0, 0) == 0) { | |
3982 | exp = exp - 1; | |
3983 | frac_grx = INSERTED64(EXTRACTED64(frac_grx, 1, 52), 0, 51); | |
3984 | } | |
3985 | *frT = (INSERTED64(sign, 0, 0) | |
3986 | | INSERTED64(exp + 1023, 1, 11) | |
3987 | | INSERTED64(EXTRACTED64(frac_grx, 1, 52), 12, 63)); | |
3988 | } | |
3989 | goto Done; | |
3990 | Enabled_Exponent_Underflow: | |
3991 | FPSCR_SET_UX(1); | |
3992 | sign = EXTRACTED64(*frB, 0, 0); | |
3993 | if (EXTRACTED64(*frB, 1, 11) == 0) { | |
3994 | exp = -1022; | |
3995 | frac_grx = INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52); | |
3996 | } | |
3997 | if (EXTRACTED64(*frB, 1, 11) > 0) { | |
3998 | exp = EXTRACTED64(*frB, 1, 11) - 1023; | |
3999 | frac_grx = (BIT64(0) | | |
4000 | INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52)); | |
4001 | } | |
4002 | /*Normalize_Operand:*/ | |
4003 | while (EXTRACTED64(frac_grx, 0, 0) == 0) { | |
4004 | exp = exp - 1; | |
4005 | frac_grx = INSERTED64(EXTRACTED64(frac_grx, 1, 52), 0, 51); | |
4006 | } | |
4007 | Round_Single(processor, sign, &exp, &frac_grx); | |
4008 | FPSCR_SET_XX(FPSCR & fpscr_fi); | |
4009 | exp = exp + 192; | |
4010 | *frT = (INSERTED64(sign, 0, 0) | |
4011 | | INSERTED64(exp + 1023, 1, 11) | |
4012 | | INSERTED64(EXTRACTED64(frac_grx, 1, 52), 12, 63)); | |
4013 | if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); | |
4014 | if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); | |
4015 | goto Done; | |
4016 | Disabled_Exponent_Overflow: | |
4017 | FPSCR_SET_OX(1); | |
4018 | if ((FPSCR & fpscr_rn) == fpscr_rn_round_to_nearest) { | |
4019 | if (EXTRACTED64(*frB, 0, 0) == 0) { | |
4020 | *frT = INSERTED64(0x7FF00000, 0, 31) | 0x00000000; | |
4021 | FPSCR_SET_FPRF(fpscr_rf_pos_infinity); | |
4022 | } | |
4023 | if (EXTRACTED64(*frB, 0, 0) == 1) { | |
4024 | *frT = INSERTED64(0xFFF00000, 0, 31) | 0x00000000; | |
4025 | FPSCR_SET_FPRF(fpscr_rf_neg_infinity); | |
4026 | } | |
4027 | } | |
4028 | if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_zero) { | |
4029 | if (EXTRACTED64(*frB, 0, 0) == 0) { | |
4030 | *frT = INSERTED64(0x47EFFFFF, 0, 31) | 0xE0000000; | |
4031 | FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); | |
4032 | } | |
4033 | if (EXTRACTED64(*frB, 0, 0) == 1) { | |
4034 | *frT = INSERTED64(0xC7EFFFFF, 0, 31) | 0xE0000000; | |
4035 | FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); | |
4036 | } | |
4037 | } | |
4038 | if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_pos_infinity) { | |
4039 | if (EXTRACTED64(*frB, 0, 0) == 0) { | |
4040 | *frT = INSERTED64(0x7FF00000, 0, 31) | 0x00000000; | |
4041 | FPSCR_SET_FPRF(fpscr_rf_pos_infinity); | |
4042 | } | |
4043 | if (EXTRACTED64(*frB, 0, 0) == 1) { | |
4044 | *frT = INSERTED64(0xC7EFFFFF, 0, 31) | 0xE0000000; | |
4045 | FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); | |
4046 | } | |
4047 | } | |
4048 | if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_neg_infinity) { | |
4049 | if (EXTRACTED64(*frB, 0, 0) == 0) { | |
4050 | *frT = INSERTED64(0x47EFFFFF, 0, 31) | 0xE0000000; | |
4051 | FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); | |
4052 | } | |
4053 | if (EXTRACTED64(*frB, 0, 0) == 1) { | |
4054 | *frT = INSERTED64(0xFFF00000, 0, 31) | 0x00000000; | |
4055 | FPSCR_SET_FPRF(fpscr_rf_neg_infinity); | |
4056 | } | |
4057 | } | |
4058 | /* FPSCR[FR] <- undefined */ | |
4059 | FPSCR_SET_FI(1); | |
4060 | FPSCR_SET_XX(1); | |
4061 | goto Done; | |
4062 | Enabled_Exponent_Overflow: | |
4063 | sign = EXTRACTED64(*frB, 0, 0); | |
4064 | exp = EXTRACTED64(*frB, 1, 11) - 1023; | |
4065 | frac_grx = BIT64(0) | INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52); | |
4066 | Round_Single(processor, sign, &exp, &frac_grx); | |
4067 | FPSCR_SET_XX(FPSCR & fpscr_fi); | |
4068 | Enabled_Overflow: | |
4069 | FPSCR_SET_OX(1); | |
4070 | exp = exp - 192; | |
4071 | *frT = (INSERTED64(sign, 0, 0) | |
4072 | | INSERTED64(exp + 1023, 1, 11) | |
4073 | | INSERTED64(EXTRACTED64(frac_grx, 1, 52), 12, 63)); | |
4074 | if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); | |
4075 | if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); | |
4076 | goto Done; | |
4077 | Zero_Operand: | |
4078 | *frT = *frB; | |
4079 | if (EXTRACTED64(*frB, 0, 0) == 0) FPSCR_SET_FPRF(fpscr_rf_pos_zero); | |
4080 | if (EXTRACTED64(*frB, 0, 0) == 1) FPSCR_SET_FPRF(fpscr_rf_neg_zero); | |
4081 | FPSCR_SET_FR(0); | |
4082 | FPSCR_SET_FI(0); | |
4083 | goto Done; | |
4084 | Infinity_Operand: | |
4085 | *frT = *frB; | |
4086 | if (EXTRACTED64(*frB, 0, 0) == 0) FPSCR_SET_FPRF(fpscr_rf_pos_infinity); | |
4087 | if (EXTRACTED64(*frB, 0, 0) == 1) FPSCR_SET_FPRF(fpscr_rf_neg_infinity); | |
4088 | FPSCR_SET_FR(0); | |
4089 | FPSCR_SET_FI(0); | |
4090 | goto Done; | |
4091 | QNaN_Operand: | |
4092 | *frT = INSERTED64(EXTRACTED64(*frB, 0, 34), 0, 34); | |
4093 | FPSCR_SET_FPRF(fpscr_rf_quiet_nan); | |
4094 | FPSCR_SET_FR(0); | |
4095 | FPSCR_SET_FI(0); | |
4096 | goto Done; | |
4097 | SNaN_Operand: | |
4098 | FPSCR_OR_VX(fpscr_vxsnan); | |
4099 | if ((FPSCR & fpscr_ve) == 0) { | |
4100 | *frT = (MASKED64(*frB, 0, 11) | |
4101 | | BIT64(12) | |
4102 | | MASKED64(*frB, 13, 34)); | |
4103 | FPSCR_SET_FPRF(fpscr_rf_quiet_nan); | |
4104 | } | |
4105 | FPSCR_SET_FR(0); | |
4106 | FPSCR_SET_FI(0); | |
4107 | goto Done; | |
4108 | Normal_Operand: | |
4109 | sign = EXTRACTED64(*frB, 0, 0); | |
4110 | exp = EXTRACTED64(*frB, 1, 11) - 1023; | |
4111 | frac_grx = BIT64(0) | INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52); | |
4112 | Round_Single(processor, sign, &exp, &frac_grx); | |
4113 | FPSCR_SET_XX(FPSCR & fpscr_fi); | |
4114 | if (exp > 127 && (FPSCR & fpscr_oe) == 0) goto Disabled_Exponent_Overflow; | |
4115 | if (exp > 127 && (FPSCR & fpscr_oe) != 0) goto Enabled_Overflow; | |
4116 | *frT = (INSERTED64(sign, 0, 0) | |
4117 | | INSERTED64(exp + 1023, 1, 11) | |
4118 | | INSERTED64(EXTRACTED64(frac_grx, 1, 52), 12, 63)); | |
4119 | if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); | |
4120 | if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); | |
4121 | goto Done; | |
4122 | Done: | |
45525d8d | 4123 | PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); |
845ff5a4 | 4124 | |
c143ef62 | 4125 | 0.63,6.FRT,11./,16.FRB,21.814,31.Rc:X:64,f::Floating Convert To Integer Doubleword |
845ff5a4 | 4126 | |
c143ef62 | 4127 | 0.63,6.FRT,11./,16.FRB,21.815,31.Rc:X:64,f::Floating Convert To Integer Doubleword with round towards Zero |
845ff5a4 | 4128 | |
c143ef62 | 4129 | 0.63,6.FRT,11./,16.FRB,21.14,31.Rc:X:f::Floating Convert To Integer Word |
845ff5a4 | 4130 | |
c143ef62 | 4131 | 0.63,6.FRT,11./,16.FRB,21.15,31.Rc:X:f:fctiwz:Floating Convert To Integer Word with round towards Zero |
54e98699 MM |
4132 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
4133 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
4134 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
4135 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
c143ef62 MM |
4136 | FPSCR_BEGIN; |
4137 | convert_to_integer(processor, cia, | |
4138 | frT, *frB, | |
4139 | fpscr_rn_round_towards_zero, 32); | |
4140 | FPSCR_END(Rc); | |
45525d8d | 4141 | PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); |
845ff5a4 | 4142 | |
c143ef62 MM |
4143 | 0.63,6.FRT,11./,16.FRB,21.846,31.Rc:X:64,f::Floating Convert from Integer Doubleword |
4144 | int sign = EXTRACTED64(*frB, 0, 0); | |
4145 | int exp = 63; | |
4146 | unsigned64 frac = *frB; | |
4147 | if (frac == 0) goto Zero_Operand; | |
4148 | if (sign == 1) frac = ~frac + 1; | |
4149 | while (EXTRACTED64(frac, 0, 0) == 0) { | |
4150 | /*??? do the loop 0 times if (FRB) = max negative integer */ | |
4151 | frac = INSERTED64(EXTRACTED64(frac, 1, 63), 0, 62); | |
4152 | exp = exp - 1; | |
4153 | } | |
4154 | Round_Float(processor, sign, &exp, &frac, FPSCR & fpscr_rn); | |
4155 | if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); | |
4156 | if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); | |
4157 | *frT = (INSERTED64(sign, 0, 0) | |
4158 | | INSERTED64(exp + 1023, 1, 11) | |
4159 | | INSERTED64(EXTRACTED64(frac, 1, 52), 12, 63)); | |
4160 | goto Done; | |
4161 | /**/ | |
4162 | Zero_Operand: | |
4163 | FPSCR_SET_FR(0); | |
4164 | FPSCR_SET_FI(0); | |
4165 | FPSCR_SET_FPRF(fpscr_rf_pos_zero); | |
4166 | *frT = 0; | |
4167 | goto Done; | |
4168 | /**/ | |
4169 | Done: | |
45525d8d | 4170 | PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); |
c143ef62 MM |
4171 | |
4172 | # | |
4173 | # I.4.6.7 Floating-Point Compare Instructions | |
4174 | # | |
4175 | ||
4176 | 0.63,6.BF,9./,11.FRA,16.FRB,21.0,31./:X:f:fcmpu:Floating Compare Unordered | |
54e98699 MM |
4177 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
4178 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
4179 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
4180 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
c143ef62 MM |
4181 | FPSCR_BEGIN; |
4182 | unsigned c; | |
4183 | if (is_NaN(*frA, 0) || is_NaN(*frB, 0)) | |
4184 | c = cr_i_summary_overflow; /* 0b0001 - (FRA) ? (FRB) */ | |
4185 | else if (is_less_than(frA, frB)) | |
4186 | c = cr_i_negative; /* 0b1000 - (FRA) < (FRB) */ | |
4187 | else if (is_greater_than(frA, frB)) | |
4188 | c = cr_i_positive; /* 0b0100 - (FRA) > (FRB) */ | |
4189 | else | |
4190 | c = cr_i_zero; /* 0b0010 - (FRA) = (FRB) */ | |
4191 | FPSCR_SET_FPCC(c); | |
4192 | CR_SET(BF, c); /* CR[4*BF..4*BF+3] = c */ | |
4193 | if (is_SNaN(*frA, 0) || is_SNaN(*frB, 0)) | |
4194 | FPSCR_OR_VX(fpscr_vxsnan); | |
4195 | FPSCR_END(0); | |
45525d8d | 4196 | PPC_INSN_FLOAT_CR(0, FRA_BITMASK | FRB_BITMASK, BF_BITMASK); |
845ff5a4 | 4197 | |
c143ef62 | 4198 | 0.63,6.BF,9./,11.FRA,16.FRB,21.32,31./:X:f:fcmpo:Floating Compare Ordered |
54e98699 MM |
4199 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
4200 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
4201 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
4202 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
c143ef62 MM |
4203 | FPSCR_BEGIN; |
4204 | unsigned c; | |
4205 | if (is_NaN(*frA, 0) || is_NaN(*frB, 0)) | |
4206 | c = cr_i_summary_overflow; /* 0b0001 - (FRA) ? (FRB) */ | |
4207 | else if (is_less_than(frA, frB)) | |
4208 | c = cr_i_negative; /* 0b1000 - (FRA) < (FRB) */ | |
4209 | else if (is_greater_than(frA, frB)) | |
4210 | c = cr_i_positive; /* 0b0100 - (FRA) > (FRB) */ | |
4211 | else | |
4212 | c = cr_i_zero; /* 0b0010 - (FRA) = (FRB) */ | |
4213 | FPSCR_SET_FPCC(c); | |
4214 | CR_SET(BF, c); /* CR[4*BF..4*BF+3] = c */ | |
4215 | if (is_SNaN(*frA, 0) || is_SNaN(*frB, 0)) { | |
4216 | FPSCR_OR_VX(fpscr_vxsnan); | |
4217 | if ((FPSCR & fpscr_ve) == 0) | |
4218 | FPSCR_OR_VX(fpscr_vxvc); | |
4219 | } | |
4220 | else if (is_QNaN(*frA, 0) || is_QNaN(*frB, 0)) { | |
4221 | FPSCR_OR_VX(fpscr_vxvc); | |
4222 | } | |
4223 | FPSCR_END(0); | |
45525d8d | 4224 | PPC_INSN_FLOAT_CR(0, FRA_BITMASK | FRB_BITMASK, BF_BITMASK); |
c143ef62 MM |
4225 | |
4226 | ||
4227 | # | |
4228 | # I.4.6.8 Floating-Point Status and Control Register Instructions | |
4229 | # | |
4230 | ||
4231 | 0.63,6.FRT,11./,16./,21.583,31.Rc:X:f::Move From FPSCR | |
845ff5a4 | 4232 | |
c143ef62 | 4233 | 0.63,6.BF,9./,11.BFA,14./,16./,21.64,31./:X:f::Move to Condition Register from FPSCR |
845ff5a4 | 4234 | |
c143ef62 | 4235 | 0.64,6.BF,9./,11./,16.U,20./,21.134,31.Rc:X:f::Move To FPSCR Field Immediate |
845ff5a4 | 4236 | |
c143ef62 | 4237 | 0.63,6./,7.FLM,15./,16.FRB,21.711,31.Rc:XFL:f::Move To FPSCR Fields |
845ff5a4 | 4238 | |
c143ef62 | 4239 | 0.63,6.BT,11./,16./,21.70,31.Rc:X:f::Move To FPSCR Bit 0 |
845ff5a4 | 4240 | |
c143ef62 MM |
4241 | 0.63,6.BT,11./,16./,21.38,31.Rc:X:f::Move To FPSCR Bit 1 |
4242 | ||
4243 | ||
4244 | # | |
4245 | # I.A.1.1 Floating-Point Store Instruction | |
4246 | # | |
4247 | 0.31,6.FRS,11.RA,16.RB,21.983,31./:X:f::Store Floating-Point as Integer Word Indexed | |
4248 | ||
4249 | # | |
4250 | # I.A.1.2 Floating-Point Arithmetic Instructions | |
4251 | # | |
4252 | ||
4253 | 0.63,6.FRT,11./,16.FRB,21./,26.22,31.Rc:A:f::Floating Square Root | |
845ff5a4 | 4254 | |
c143ef62 MM |
4255 | 0.59,6.FRT,11./,16.FRB,21./,26.22,31.Rc:A:f::Floating Square Root Single |
4256 | ||
4257 | 0.59,6.FRT,11./,16.FRB,21./,26.24,31.Rc:A:f::Floating Reciprocal Estimate Single | |
845ff5a4 | 4258 | |
c143ef62 MM |
4259 | 0.63,6.FRT,11./,16.FRB,21./,26.26,31.Rc:A:f::Floating Reciprocal Square Root Estimate |
4260 | ||
4261 | # | |
4262 | # I.A.1.3 Floating-Point Select Instruction | |
4263 | # | |
4264 | ||
4265 | 0.63,6.FRT,11.FRA,16.FRB,21.FRC,26.23,31.Rc:A:f::Floating Select | |
4266 | ||
4267 | ||
4268 | # | |
4269 | # II.3.2 Cache Management Instructions | |
4270 | # | |
4271 | ||
4272 | 0.31,6./,11.RA,16.RB,21.982,31./:X::icbi:Instruction Cache Block Invalidate | |
54e98699 MM |
4273 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
4274 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
4275 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
4276 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 | |
80948f39 MM |
4277 | /* blindly flush all instruction cache entries */ |
4278 | #if WITH_IDECODE_CACHE_SIZE | |
4279 | cpu_flush_icache(processor); | |
4280 | #endif | |
45525d8d | 4281 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
c143ef62 MM |
4282 | |
4283 | 0.19,6./,11./,16./,21.150,31./:XL::isync:Instruction Synchronize | |
54e98699 MM |
4284 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
4285 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
4286 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
4287 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 | |
c143ef62 | 4288 | cpu_synchronize_context(processor); |
45525d8d | 4289 | PPC_INSN_INT(0, 0, 0); |
c143ef62 MM |
4290 | |
4291 | ||
4292 | # | |
4293 | # II.3.2.2 Data Cache Instructions | |
4294 | # | |
4295 | ||
4296 | 0.31,6./,11.RA,16.RB,21.278,31./:X:::Data Cache Block Touch | |
54e98699 MM |
4297 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
4298 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 | |
4299 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 | |
4300 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 | |
845ff5a4 | 4301 | TRACE(trace_tbd,("Data Cache Block Touch\n")); |
45525d8d | 4302 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/); |
056e975c | 4303 | |
c143ef62 | 4304 | 0.31,6./,11.RA,16.RB,21.246,31./:X:::Data Cache Block Touch for Store |
54e98699 MM |
4305 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
4306 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 | |
4307 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 | |
4308 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
845ff5a4 | 4309 | TRACE(trace_tbd,("Data Cache Block Touch for Store\n")); |
45525d8d | 4310 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/); |
056e975c | 4311 | |
c143ef62 | 4312 | 0.31,6./,11.RA,16.RB,21.1014,31./:X:::Data Cache Block set to Zero |
54e98699 MM |
4313 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
4314 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 10, 10, 0 | |
4315 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 10, 10, 0 | |
4316 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
845ff5a4 | 4317 | TRACE(trace_tbd,("Data Cache Block set to Zero\n")); |
45525d8d | 4318 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/); |
056e975c | 4319 | |
c143ef62 | 4320 | 0.31,6./,11.RA,16.RB,21.54,31./:X:::Data Cache Block Store |
54e98699 MM |
4321 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
4322 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 5, 5, 0 | |
4323 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 5, 5, 0 | |
4324 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 | |
845ff5a4 | 4325 | TRACE(trace_tbd,("Data Cache Block Store\n")); |
45525d8d | 4326 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/); |
056e975c | 4327 | |
c143ef62 | 4328 | 0.31,6./,11.RA,16.RB,21.86,31./:X:::Data Cache Block Flush |
54e98699 MM |
4329 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
4330 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 5, 5, 0 | |
4331 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 5, 5, 0 | |
4332 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 | |
845ff5a4 | 4333 | TRACE(trace_tbd,("Data Cache Block Flush\n")); |
45525d8d | 4334 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/); |
c143ef62 MM |
4335 | |
4336 | # | |
845ff5a4 | 4337 | # II.3.3 Enforce In-order Execution of I/O Instruction |
c143ef62 MM |
4338 | # |
4339 | ||
4340 | 0.31,6./,11./,16./,21.854,31./:X::eieio:Enforce In-order Execution of I/O | |
4341 | /* Since this model has no instruction overlap | |
4342 | this instruction need do nothing */ | |
4343 | ||
4344 | # | |
4345 | # II.4.1 Time Base Instructions | |
4346 | # | |
4347 | ||
4348 | 0.31,6.RT,11.tbr,21.371,31./:XFX::mftb:Move From Time Base | |
54e98699 MM |
4349 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
4350 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
4351 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 | |
c143ef62 MM |
4352 | int n = (tbr{5:9} << 5) | tbr{0:4}; |
4353 | if (n == 268) { | |
4354 | if (is_64bit_implementation) *rT = TB; | |
4355 | else *rT = EXTRACTED64(TB, 32, 63); | |
4356 | } | |
4357 | else if (n == 269) { | |
4358 | if (is_64bit_implementation) *rT = EXTRACTED64(TB, 0, 31); | |
4359 | else *rT = EXTRACTED64(TB, 0, 31); | |
4360 | } | |
4361 | else | |
4362 | program_interrupt(processor, cia, | |
4363 | illegal_instruction_program_interrupt); | |
4364 | ||
4365 | ||
4366 | # | |
4367 | # III.2.3.1 System Linkage Instructions | |
4368 | # | |
4369 | ||
80948f39 | 4370 | 0.19,6./,11./,16./,21.50,31./:XL::rfi:Return From Interrupt |
54e98699 MM |
4371 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
4372 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 | |
4373 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 | |
4374 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 | |
80948f39 MM |
4375 | if (IS_PROBLEM_STATE(processor)) { |
4376 | program_interrupt(processor, cia, | |
4377 | privileged_instruction_program_interrupt); | |
4378 | } | |
4379 | else { | |
4380 | MSR = (MASKED(SRR1, 0, 32) | |
4381 | | MASKED(SRR1, 37, 41) | |
4382 | | MASKED(SRR1, 48, 63)); | |
4383 | NIA = MASKED(SRR0, 0, 61); | |
4384 | cpu_synchronize_context(processor); | |
4385 | } | |
c143ef62 MM |
4386 | |
4387 | # | |
4388 | # III.3.4.1 Move to/from System Register Instructions | |
4389 | # | |
4390 | ||
f2181eff MM |
4391 | #0.31,6.RS,11.SPR,21.467,31./:XFX:::Move To Special Purpose Register |
4392 | #0.31,6.RT,11.SPR,21.339,31./:XFX:::Move From Special Purpose Register | |
c143ef62 | 4393 | 0.31,6.RS,11./,16./,21.146,31./:X:::Move To Machine State Register |
54e98699 MM |
4394 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
4395 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 | |
4396 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 | |
4397 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 | |
c143ef62 MM |
4398 | if (IS_PROBLEM_STATE(processor)) |
4399 | program_interrupt(processor, cia, | |
4400 | privileged_instruction_program_interrupt); | |
4401 | else | |
4402 | MSR = *rS; | |
845ff5a4 | 4403 | |
c143ef62 | 4404 | 0.31,6.RT,11./,16./,21.83,31./:X:::Move From Machine State Register |
54e98699 MM |
4405 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
4406 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
4407 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
4408 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 | |
c143ef62 MM |
4409 | if (IS_PROBLEM_STATE(processor)) |
4410 | program_interrupt(processor, cia, | |
4411 | privileged_instruction_program_interrupt); | |
4412 | else | |
4413 | *rT = MSR; | |
4414 | ||
4415 | ||
4416 | # | |
4417 | # III.4.11.1 Cache Management Instructions | |
4418 | # | |
4419 | ||
4420 | 0.31,6./,11.RA,16.RB,21.470,31./:X::dcbi:Data Cache Block Invalidate | |
54e98699 MM |
4421 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
4422 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 | |
4423 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 | |
4424 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
845ff5a4 MM |
4425 | if (IS_PROBLEM_STATE(processor)) |
4426 | program_interrupt(processor, cia, | |
4427 | privileged_instruction_program_interrupt); | |
4428 | else | |
4429 | TRACE(trace_tbd,("Data Cache Block Invalidate\n")); | |
c143ef62 MM |
4430 | |
4431 | # | |
4432 | # III.4.11.2 Segment Register Manipulation Instructions | |
4433 | # | |
4434 | ||
4435 | 0.31,6.RS,11./,12.SR,16./,21.210,31./:X:32:mtsr %SR,%RS:Move To Segment Register | |
54e98699 MM |
4436 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
4437 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 | |
4438 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 | |
4439 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 | |
c143ef62 MM |
4440 | if (IS_PROBLEM_STATE(processor)) |
4441 | program_interrupt(processor, cia, | |
4442 | privileged_instruction_program_interrupt); | |
4443 | else | |
4444 | SEGREG(SR) = *rS; | |
845ff5a4 | 4445 | |
c143ef62 | 4446 | 0.31,6.RS,11./,16.RB,21.242,31./:X:32:mtsrin %RS,%RB:Move To Segment Register Indirect |
54e98699 MM |
4447 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
4448 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 | |
4449 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 | |
4450 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 | |
c143ef62 MM |
4451 | if (IS_PROBLEM_STATE(processor)) |
4452 | program_interrupt(processor, cia, | |
4453 | privileged_instruction_program_interrupt); | |
4454 | else | |
4455 | SEGREG(EXTRACTED32(*rB, 0, 3)) = *rS; | |
845ff5a4 | 4456 | |
c143ef62 | 4457 | 0.31,6.RT,11./,12.SR,16./,21.595,31./:X:32:mfsr %RT,%RS:Move From Segment Register |
54e98699 MM |
4458 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 |
4459 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 | |
4460 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 | |
4461 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 | |
c143ef62 MM |
4462 | if (IS_PROBLEM_STATE(processor)) |
4463 | program_interrupt(processor, cia, | |
4464 | privileged_instruction_program_interrupt); | |
4465 | else | |
4466 | *rT = SEGREG(SR); | |
845ff5a4 | 4467 | |
c143ef62 | 4468 | 0.31,6.RT,11./,16.RB,21.659,31./:X:32:mfsrin %RT,%RB:Move From Segment Register Indirect |
54e98699 MM |
4469 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 |
4470 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 | |
4471 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 | |
4472 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 | |
c143ef62 MM |
4473 | if (IS_PROBLEM_STATE(processor)) |
4474 | program_interrupt(processor, cia, | |
4475 | privileged_instruction_program_interrupt); | |
4476 | else | |
4477 | *rT = SEGREG(EXTRACTED32(*rB, 0, 3)); | |
4478 | ||
4479 | ||
4480 | # | |
4481 | # III.4.11.3 Lookaside Buffer Management Instructions (Optional) | |
4482 | # | |
4483 | ||
4484 | 0.31,6./,11./,16.RB,21.434,31./:X:64::SLB Invalidate Entry | |
845ff5a4 | 4485 | |
c143ef62 MM |
4486 | 0.31,6./,11./,16./,21.498,31./:X:64::SLB Invalidate All |
4487 | ||
4488 | 0.31,6./,11./,16.RB,21.306,31./:X:::TLB Invalidate Entry | |
845ff5a4 | 4489 | |
c143ef62 MM |
4490 | 0.31,6./,11./,16./,21.370,31./:X:::TLB Invalidate All |
4491 | ||
4492 | 0.31,6./,11./,16./,21.566,31./:X:::TLB Sychronize | |
4493 | ||
4494 | ||
4495 | # | |
4496 | # III.A.1.2 External Access Instructions | |
4497 | # | |
4498 | ||
4499 | 0.31,6.RT,11.RA,16.RB,21.310,31./:X:earwax::External Control In Word Indexed | |
845ff5a4 | 4500 | |
c143ef62 | 4501 | 0.31,6.RS,11.RA,16.RB,21.438,31./:X:earwax::External Control Out Word Indexed |