[binutils.git] / sim / igen / ChangeLog

Mon Mar 17 15:17:07 1997  Andrew Cagney  <[email protected]>

	* ld-decode.c (load_decode_table): Rename slash to reserved.
	(dump_decode_rule): Ditto.

	* ld-insn.c (parse_insn_format): Differentiate between a `/' -
 	reserved bit - and a `*' - wild card.
	(parse_insn_format): Change is_slash to more informative reserved.
	(dump_insn_field): Ditto.
	(insn_field_is_constant): Ditto.
	(insn_table_expand_opcode): Ditto.

	* gen-idecode.c (print_idecode_validate): Make check_mask and
 	check_val the correct integer size.
	(print_idecode_validate): Fix reserved bit check for 64 bit
 	targets.

Fri Mar 14 11:24:06 1997  Andrew Cagney  <[email protected]>

	* ld-insn.c (parse_insn_format): Accept '*' as an alternative of
 	`/' in bit fields.  `/' denotes a wild bit.

Fri Mar  7 18:20:38 1997  Andrew Cagney  <[email protected]>

	* igen.h, igen.c (main): New options. Control generation of
 	conditional issue and slot verification code.

Fri Mar  7 18:17:25 1997  Andrew Cagney  <[email protected]>

	* gen-support.c (print_support_function_name): Prepend the global
 	name prefix when applicable.  Provide #define to map the user
 	specified name the generated globaly unique one.

Fri Mar  7 18:07:45 1997  Andrew Cagney  <[email protected]>

	* gen-idecode.c (print_idecode_validate): Wrap each of the checks
 	- reserved bits, floating point and slot validation - with a
 	#ifdef so that they are optional.
	
Fri Mar  7 16:35:13 1997  Andrew Cagney  <[email protected]>

	* gen-idecode.c (error_leaf_contains_multiple_insn): New function
 	- report the error of a leaf node in the decision tree containing
 	several instructions.
	(print_idecode_table_leaf): Detect a leaf with multiple instructions.
	(print_idecode_switch_leaf): Ditto.

	* gen-semantics.h, gen-semantics.c (print_idecode_illegal,
 	print_idecode_invalid): Rename former to latter.  Add argument so
 	that one function can generate all invalid instruction cases -
 	illegal, fp-unavailable, wrong-slot.
	* gen-engine.c: Update.

	* gen-idecode.c: Use print_idecode_invalid to generate a function
 	call for cases when fp-unavailable and the slot is wrong.

	* gen-idecode.c (print_idecode_validate): New check, generate code
 	to verify that the instruction slot is correct.
	
	* igen.c (main): Simplify options.

Wed Mar  5 09:55:55 1997  Andrew Cagney  <[email protected]>

	* igen.c (print_itrace): Remove source line reference for trace
 	code - let the user see the generated file.
	(print_itrace): Print the trace code rather than reference a
	macro.

Tue Mar  4 17:31:55 1997  Andrew Cagney  <[email protected]>

	* igen.c (print_semantic_function_actual): Pass either the
 	processor - smp - or the engine - mono - into semantic functions.
  	Don't pass in both.

	* gen-icache.c (print_icache_body): Dependant on smp, derive
 	processor from engine or engine from processor, and hence ensuring
 	that both are defined in all semantic functions.

Mon Mar  3 17:11:21 1997  Andrew Cagney  <[email protected]>

	* ld-insn.c (parse_insn_format): Make the width field optional.
  	If missing assume that the number of characters in the value
 	determines the number of bits in the field.
	
Thu Feb 27 11:27:48 1997  Andrew Cagney  <[email protected]>

	* ld-insn.c (insn_table_expand_opcode): Replace assertion with
 	more useful error message.

Tue Feb 25 16:43:27 1997  Andrew Cagney  <[email protected]>

	* misc.c (error): Output errors on stderr.

	* ld-insn.c (parse_insn_format): Skip any leading spaces.
  	Verify the width of instructions being parsed.

	* table.c (table_entry_read): Parse CPP's convention for
 	specifying original file name/line-nr.

Wed Feb 19 12:30:28 1997  Andrew Cagney  <[email protected]>

	* ld-insn.c (parse_insn_format): Allow trailing spaces in
 	instruction fields.

	* Makefile.in: Create using ../ppc/Makefile.in as a starting
 	point.
	* configure.in: Ditto vis ../ppc/configure.in
	
Mon Feb 17 10:44:18 1997  Andrew Cagney  <[email protected]>

	* gen-support.c (gen_support_c): Always include engine.h instead
 	of cpu.h
	* gen-idecode.c (gen_idecode_c): Ditto.

	* words.h (instruction_word): Remove instruction_word - now
 	generated by igen.
	(address_word): New.  Used by igen.
	
	* lf.c (lf_print_function_type_function): New, pass a function to
 	print out the type instead of a constant string.
	
	* igen.h, igen.c (print_semantic_function_formal,
 	SEMANTIC_FUNCTION_FORMAL): Relace macro with function.
	(print_semantic_function_actual, SEMANTIC_FUNCTION_ACTUAL): Ditto.
	(print_semantic_function_type, SEMANTIC_FUNCTION_TYPE): Ditto.
	(print_icache_function_type, ICACHE_FUNCTION_TYPE): Ditto.
	(print_icache_function_formal, ICACHE_FUNCTION_FORMAL): Ditto.
	(print_icache_function_actual, ICACHE_FUNCTION_ACTUAL): Ditto.
	* gen-idecode.c (print_idecode_table): Update.
	(idecode_switch_leaf): Update.
	(print_idecode_switch_function_header): Ditto.
	(print_idecode_floating_point_unavailable): Ditto.
	(print_idecode_issue_function_header): Ditto.
	* igen.c (gen_icache_h): Ditto.
	* gen-engine.c (print_engine_table): Ditto.
	(engine_switch_leaf): Ditto.
	* gen-support.c (print_support_function_name): Ditto.
	* gen-semantics.c (print_semantic_function_header): Update.
	Update.
	* gen-icache.c (print_icache_function_header): Update.
	(print_icache_function): Update.
	(print_icache_internal_function_declaration): Update.
	(print_icache_internal_function_definition): Update.

	* gen-idecode.c (gen_idecode_h): Drop including of idecode_*.h
 	files, will at some stage need to move it into support.

	* igen.h, igen.c (main): New option -e <engine> - generate a full
 	simulation engine.  Previously this was the -d <idecode-file>
 	option.
	* gen-engine.h, gen-engine.c: Copies of gen-idecode.*.  Will need
 	to clean these up so that that call upon the updated gen-idecode
	code.
	
	* gen-idecode.h, gen-idecode.c: Prune out any code not relevant to
 	generating a decode table.
	
	* Makefile.in (igen): Add dependencies for new gen-engine.* files.

	* igen.h, igen.c (main): New option -M - Control what is returned
 	by semantic functions - -1/NIA vs CIA+N/NIA.  Add
 	generate_semantic_returning_modified_nia_only to igen_code enum.
	* gen-semantics.c (print_semantic_body): As an alternative, make
 	NIA == -1 instead of CIA+insn_size by default.
	
	* igen.h, igen.c (main, global_name_prefix, global_uname_prefix):
 	New option -P <prefix> - Prepend all generated functions with the
 	specified prefix.
	(gen_idecode_c): Adjust.
	* gen-icache.c (print_icache_struct): Ditto.
	* gen-support.c (gen_support_c): Ditto.

Sun Feb 16 15:23:15 1997  Andrew Cagney  <[email protected]>

	* igen.c (main): Correct usage. Missleading message about ucase
 	options dumping internal tables.  -F now includes rather then
 	excludes instructions.

	* misc.h, misc.c (a2i): Make 64bit.

	* ld-insn.h (max_insn_bit_size, default_insn_bit_size): Increase
 	max to 64bits, expect trouble.  Make the default 32 bits.
	* gen-idecode.c (print_idecode_table): Change EXTRACTED*
 	et.al. macro's to use the insn_bit_size instead of assuming 32
 	bits.
	* gen-icache.c (print_icache_extraction): Ditto.
	* gen-idecode.c (idecode_switch_start): Ditto.
	* gen-idecode.c (gen_idecode_c): Ditto

	* igen.h (insn_specifying_widths), igen.c (main): New option -W.
  	Indicates that the instruction field of the table is specifying
 	bit widths instead of bit offsets.
	* ld-insn.c (parse_insn_format): Parse instruction fields
 	specifying widths.

	* misc.c (a2i): Allow binary numbers to be specified using the
 	syntax 0bNNNN.
	* ld-insn.c: Allow such numbers to appear in the instruction
 	format.

	* table.c (table_entry_read): Make // a valid comment character.
	(table_entry_read): Skip lines containing a leading " - these may
 	eventually be used in a disasembler.

Fri Feb 14 15:23:15 1997  Andrew Cagney  <[email protected]>

	* filter.c, filter.h, gen-engine.c, gen-engine.h, gen-icache.c,
 	gen-icache.h, gen-idecode.c, gen-idecode.h, gen-itable.c,
 	gen-itable.h, gen-model.c, gen-model.h, gen-semantics.c,
 	gen-semantics.h, gen-support.c, gen-support.h, igen.c, igen.h,
 	ld-cache.c, ld-cache.h, ld-decode.c, ld-decode.h, ld-insn.c,
 	ld-insn.h, lf.c, lf.h, misc.c, misc.h, table.c, table.h: Copy in
 	from the ../ppc directory.

	* filter_host.c, filter_host.h: Copy in from the ../ppc directory
 	renaming from filter_filename.[hc]
Commit	Line	Data
a77aa7ec AC	1	Mon Mar 17 15:17:07 1997 Andrew Cagney <[email protected]>
	2
	3	* ld-decode.c (load_decode_table): Rename slash to reserved.
	4	(dump_decode_rule): Ditto.
	5
	6	* ld-insn.c (parse_insn_format): Differentiate between a `/' -
	7	reserved bit - and a `*' - wild card.
	8	(parse_insn_format): Change is_slash to more informative reserved.
	9	(dump_insn_field): Ditto.
	10	(insn_field_is_constant): Ditto.
	11	(insn_table_expand_opcode): Ditto.
	12
	13	* gen-idecode.c (print_idecode_validate): Make check_mask and
	14	check_val the correct integer size.
	15	(print_idecode_validate): Fix reserved bit check for 64 bit
	16	targets.
	17
3df38197 AC	18	Fri Mar 14 11:24:06 1997 Andrew Cagney <[email protected]>
	19
	20	* ld-insn.c (parse_insn_format): Accept '*' as an alternative of
	21	`/' in bit fields. `/' denotes a wild bit.
	22
	23	Fri Mar 7 18:20:38 1997 Andrew Cagney <[email protected]>
	24
	25	* igen.h, igen.c (main): New options. Control generation of
	26	conditional issue and slot verification code.
	27
	28	Fri Mar 7 18:17:25 1997 Andrew Cagney <[email protected]>
	29
	30	* gen-support.c (print_support_function_name): Prepend the global
	31	name prefix when applicable. Provide #define to map the user
	32	specified name the generated globaly unique one.
	33
	34	Fri Mar 7 18:07:45 1997 Andrew Cagney <[email protected]>
	35
	36	* gen-idecode.c (print_idecode_validate): Wrap each of the checks
	37	- reserved bits, floating point and slot validation - with a
	38	#ifdef so that they are optional.
	39
	40	Fri Mar 7 16:35:13 1997 Andrew Cagney <[email protected]>
	41
	42	* gen-idecode.c (error_leaf_contains_multiple_insn): New function
	43	- report the error of a leaf node in the decision tree containing
	44	several instructions.
	45	(print_idecode_table_leaf): Detect a leaf with multiple instructions.
	46	(print_idecode_switch_leaf): Ditto.
	47
	48	* gen-semantics.h, gen-semantics.c (print_idecode_illegal,
	49	print_idecode_invalid): Rename former to latter. Add argument so
	50	that one function can generate all invalid instruction cases -
	51	illegal, fp-unavailable, wrong-slot.
	52	* gen-engine.c: Update.
	53
	54	* gen-idecode.c: Use print_idecode_invalid to generate a function
	55	call for cases when fp-unavailable and the slot is wrong.
	56
	57	* gen-idecode.c (print_idecode_validate): New check, generate code
	58	to verify that the instruction slot is correct.
	59
	60	* igen.c (main): Simplify options.
	61
	62	Wed Mar 5 09:55:55 1997 Andrew Cagney <[email protected]>
	63
	64	* igen.c (print_itrace): Remove source line reference for trace
	65	code - let the user see the generated file.
	66	(print_itrace): Print the trace code rather than reference a
	67	macro.
	68
	69	Tue Mar 4 17:31:55 1997 Andrew Cagney <[email protected]>
	70
	71	* igen.c (print_semantic_function_actual): Pass either the
	72	processor - smp - or the engine - mono - into semantic functions.
	73	Don't pass in both.
	74
	75	* gen-icache.c (print_icache_body): Dependant on smp, derive
	76	processor from engine or engine from processor, and hence ensuring
	77	that both are defined in all semantic functions.
	78
	79	Mon Mar 3 17:11:21 1997 Andrew Cagney <[email protected]>
	80
	81	* ld-insn.c (parse_insn_format): Make the width field optional.
82	If missing assume that the number of characters in the value
83	determines the number of bits in the field.
84
85	Thu Feb 27 11:27:48 1997 Andrew Cagney <[email protected]>
86
87	* ld-insn.c (insn_table_expand_opcode): Replace assertion with
88	more useful error message.
89
90	Tue Feb 25 16:43:27 1997 Andrew Cagney <[email protected]>
91
92	* misc.c (error): Output errors on stderr.
93
94	* ld-insn.c (parse_insn_format): Skip any leading spaces.
95	Verify the width of instructions being parsed.
96
97	* table.c (table_entry_read): Parse CPP's convention for
98	specifying original file name/line-nr.
99
100	Wed Feb 19 12:30:28 1997 Andrew Cagney <[email protected]>
101
102	* ld-insn.c (parse_insn_format): Allow trailing spaces in
103	instruction fields.
104
105	* Makefile.in: Create using ../ppc/Makefile.in as a starting
106	point.
107	* configure.in: Ditto vis ../ppc/configure.in
108
109	Mon Feb 17 10:44:18 1997 Andrew Cagney <[email protected]>
110
111	* gen-support.c (gen_support_c): Always include engine.h instead
112	of cpu.h
113	* gen-idecode.c (gen_idecode_c): Ditto.
114
115	* words.h (instruction_word): Remove instruction_word - now
116	generated by igen.
117	(address_word): New. Used by igen.
118
119	* lf.c (lf_print_function_type_function): New, pass a function to
120	print out the type instead of a constant string.
121
122	* igen.h, igen.c (print_semantic_function_formal,
123	SEMANTIC_FUNCTION_FORMAL): Relace macro with function.
124	(print_semantic_function_actual, SEMANTIC_FUNCTION_ACTUAL): Ditto.
125	(print_semantic_function_type, SEMANTIC_FUNCTION_TYPE): Ditto.
126	(print_icache_function_type, ICACHE_FUNCTION_TYPE): Ditto.
127	(print_icache_function_formal, ICACHE_FUNCTION_FORMAL): Ditto.
128	(print_icache_function_actual, ICACHE_FUNCTION_ACTUAL): Ditto.
129	* gen-idecode.c (print_idecode_table): Update.
130	(idecode_switch_leaf): Update.
131	(print_idecode_switch_function_header): Ditto.
132	(print_idecode_floating_point_unavailable): Ditto.
133	(print_idecode_issue_function_header): Ditto.
134	* igen.c (gen_icache_h): Ditto.
135	* gen-engine.c (print_engine_table): Ditto.
136	(engine_switch_leaf): Ditto.
137	* gen-support.c (print_support_function_name): Ditto.
138	* gen-semantics.c (print_semantic_function_header): Update.
139	Update.
140	* gen-icache.c (print_icache_function_header): Update.
141	(print_icache_function): Update.
142	(print_icache_internal_function_declaration): Update.
143	(print_icache_internal_function_definition): Update.
144
145	* gen-idecode.c (gen_idecode_h): Drop including of idecode_*.h
146	files, will at some stage need to move it into support.
147
148	* igen.h, igen.c (main): New option -e <engine> - generate a full
149	simulation engine. Previously this was the -d <idecode-file>
150	option.
151	* gen-engine.h, gen-engine.c: Copies of gen-idecode.*. Will need
152	to clean these up so that that call upon the updated gen-idecode
153	code.
154
155	* gen-idecode.h, gen-idecode.c: Prune out any code not relevant to
156	generating a decode table.
157
158	* Makefile.in (igen): Add dependencies for new gen-engine.* files.
159
160	* igen.h, igen.c (main): New option -M - Control what is returned
161	by semantic functions - -1/NIA vs CIA+N/NIA. Add
162	generate_semantic_returning_modified_nia_only to igen_code enum.
163	* gen-semantics.c (print_semantic_body): As an alternative, make
164	NIA == -1 instead of CIA+insn_size by default.
165
166	* igen.h, igen.c (main, global_name_prefix, global_uname_prefix):
167	New option -P <prefix> - Prepend all generated functions with the
168	specified prefix.
169	(gen_idecode_c): Adjust.
170	* gen-icache.c (print_icache_struct): Ditto.
171	* gen-support.c (gen_support_c): Ditto.
172
173	Sun Feb 16 15:23:15 1997 Andrew Cagney <[email protected]>
174
175	* igen.c (main): Correct usage. Missleading message about ucase
176	options dumping internal tables. -F now includes rather then
177	excludes instructions.
178
179	* misc.h, misc.c (a2i): Make 64bit.
180
181	* ld-insn.h (max_insn_bit_size, default_insn_bit_size): Increase
182	max to 64bits, expect trouble. Make the default 32 bits.
183	* gen-idecode.c (print_idecode_table): Change EXTRACTED*
184	et.al. macro's to use the insn_bit_size instead of assuming 32
185	bits.
186	* gen-icache.c (print_icache_extraction): Ditto.
187	* gen-idecode.c (idecode_switch_start): Ditto.
188	* gen-idecode.c (gen_idecode_c): Ditto
189
190	* igen.h (insn_specifying_widths), igen.c (main): New option -W.
191	Indicates that the instruction field of the table is specifying
192	bit widths instead of bit offsets.
193	* ld-insn.c (parse_insn_format): Parse instruction fields
194	specifying widths.
195
196	* misc.c (a2i): Allow binary numbers to be specified using the
197	syntax 0bNNNN.
198	* ld-insn.c: Allow such numbers to appear in the instruction
199	format.
200
201	* table.c (table_entry_read): Make // a valid comment character.
202	(table_entry_read): Skip lines containing a leading " - these may
203	eventually be used in a disasembler.
204
205	Fri Feb 14 15:23:15 1997 Andrew Cagney <[email protected]>
206
207	* filter.c, filter.h, gen-engine.c, gen-engine.h, gen-icache.c,
208	gen-icache.h, gen-idecode.c, gen-idecode.h, gen-itable.c,
209	gen-itable.h, gen-model.c, gen-model.h, gen-semantics.c,
210	gen-semantics.h, gen-support.c, gen-support.h, igen.c, igen.h,
211	ld-cache.c, ld-cache.h, ld-decode.c, ld-decode.h, ld-insn.c,
212	ld-insn.h, lf.c, lf.h, misc.c, misc.h, table.c, table.h: Copy in
213	from the ../ppc directory.
214
215	* filter_host.c, filter_host.h: Copy in from the ../ppc directory
216	renaming from filter_filename.[hc]