#include "qemu-common.h"
#include "tcg-op.h"
-#if TCG_TARGET_REG_BITS == 64
#define CASE_OP_32_64(x) \
glue(glue(case INDEX_op_, x), _i32): \
glue(glue(case INDEX_op_, x), _i64)
-#else
-#define CASE_OP_32_64(x) \
- glue(glue(case INDEX_op_, x), _i32)
-#endif
typedef enum {
TCG_TEMP_UNDEF = 0,
}
}
-static int op_bits(int op)
+static int op_bits(TCGOpcode op)
{
- switch (op) {
- case INDEX_op_mov_i32:
- case INDEX_op_add_i32:
- case INDEX_op_sub_i32:
- case INDEX_op_mul_i32:
- case INDEX_op_and_i32:
- case INDEX_op_or_i32:
- case INDEX_op_xor_i32:
- case INDEX_op_shl_i32:
- case INDEX_op_shr_i32:
- case INDEX_op_sar_i32:
-#ifdef TCG_TARGET_HAS_rot_i32
- case INDEX_op_rotl_i32:
- case INDEX_op_rotr_i32:
-#endif
-#ifdef TCG_TARGET_HAS_not_i32
- case INDEX_op_not_i32:
-#endif
-#ifdef TCG_TARGET_HAS_ext8s_i32
- case INDEX_op_ext8s_i32:
-#endif
-#ifdef TCG_TARGET_HAS_ext16s_i32
- case INDEX_op_ext16s_i32:
-#endif
-#ifdef TCG_TARGET_HAS_ext8u_i32
- case INDEX_op_ext8u_i32:
-#endif
-#ifdef TCG_TARGET_HAS_ext16u_i32
- case INDEX_op_ext16u_i32:
-#endif
- return 32;
-#if TCG_TARGET_REG_BITS == 64
- case INDEX_op_mov_i64:
- case INDEX_op_add_i64:
- case INDEX_op_sub_i64:
- case INDEX_op_mul_i64:
- case INDEX_op_and_i64:
- case INDEX_op_or_i64:
- case INDEX_op_xor_i64:
- case INDEX_op_shl_i64:
- case INDEX_op_shr_i64:
- case INDEX_op_sar_i64:
-#ifdef TCG_TARGET_HAS_rot_i64
- case INDEX_op_rotl_i64:
- case INDEX_op_rotr_i64:
-#endif
-#ifdef TCG_TARGET_HAS_not_i64
- case INDEX_op_not_i64:
-#endif
-#ifdef TCG_TARGET_HAS_ext8s_i64
- case INDEX_op_ext8s_i64:
-#endif
-#ifdef TCG_TARGET_HAS_ext16s_i64
- case INDEX_op_ext16s_i64:
-#endif
-#ifdef TCG_TARGET_HAS_ext32s_i64
- case INDEX_op_ext32s_i64:
-#endif
-#ifdef TCG_TARGET_HAS_ext8u_i64
- case INDEX_op_ext8u_i64:
-#endif
-#ifdef TCG_TARGET_HAS_ext16u_i64
- case INDEX_op_ext16u_i64:
-#endif
-#ifdef TCG_TARGET_HAS_ext32u_i64
- case INDEX_op_ext32u_i64:
-#endif
- return 64;
-#endif
- default:
- fprintf(stderr, "Unrecognized operation %d in op_bits.\n", op);
- tcg_abort();
- }
+ const TCGOpDef *def = &tcg_op_defs[op];
+ return def->flags & TCG_OPF_64BIT ? 64 : 32;
}
-static int op_to_movi(int op)
+static TCGOpcode op_to_movi(TCGOpcode op)
{
switch (op_bits(op)) {
case 32:
return INDEX_op_movi_i32;
-#if TCG_TARGET_REG_BITS == 64
case 64:
return INDEX_op_movi_i64;
-#endif
default:
fprintf(stderr, "op_to_movi: unexpected return value of "
"function op_bits.\n");
}
}
-static void tcg_opt_gen_mov(TCGArg *gen_args, TCGArg dst, TCGArg src,
- int nb_temps, int nb_globals)
+static void tcg_opt_gen_mov(TCGContext *s, TCGArg *gen_args, TCGArg dst,
+ TCGArg src, int nb_temps, int nb_globals)
{
reset_temp(dst, nb_temps, nb_globals);
assert(temps[src].state != TCG_TEMP_COPY);
- if (src >= nb_globals) {
+ /* Don't try to copy if one of temps is a global or either one
+ is local and another is register */
+ if (src >= nb_globals && dst >= nb_globals &&
+ tcg_arg_is_local(s, src) == tcg_arg_is_local(s, dst)) {
assert(temps[src].state != TCG_TEMP_CONST);
if (temps[src].state != TCG_TEMP_HAS_COPY) {
temps[src].state = TCG_TEMP_HAS_COPY;
gen_args[1] = val;
}
-static int op_to_mov(int op)
+static TCGOpcode op_to_mov(TCGOpcode op)
{
switch (op_bits(op)) {
case 32:
return INDEX_op_mov_i32;
-#if TCG_TARGET_REG_BITS == 64
case 64:
return INDEX_op_mov_i64;
-#endif
default:
fprintf(stderr, "op_to_mov: unexpected return value of "
"function op_bits.\n");
}
}
-static TCGArg do_constant_folding_2(int op, TCGArg x, TCGArg y)
+static TCGArg do_constant_folding_2(TCGOpcode op, TCGArg x, TCGArg y)
{
switch (op) {
CASE_OP_32_64(add):
case INDEX_op_shl_i32:
return (uint32_t)x << (uint32_t)y;
-#if TCG_TARGET_REG_BITS == 64
case INDEX_op_shl_i64:
return (uint64_t)x << (uint64_t)y;
-#endif
case INDEX_op_shr_i32:
return (uint32_t)x >> (uint32_t)y;
-#if TCG_TARGET_REG_BITS == 64
case INDEX_op_shr_i64:
return (uint64_t)x >> (uint64_t)y;
-#endif
case INDEX_op_sar_i32:
return (int32_t)x >> (int32_t)y;
-#if TCG_TARGET_REG_BITS == 64
case INDEX_op_sar_i64:
return (int64_t)x >> (int64_t)y;
-#endif
-#ifdef TCG_TARGET_HAS_rot_i32
case INDEX_op_rotr_i32:
-#if TCG_TARGET_REG_BITS == 64
- x &= 0xffffffff;
- y &= 0xffffffff;
-#endif
- x = (x << (32 - y)) | (x >> y);
+ x = ((uint32_t)x << (32 - y)) | ((uint32_t)x >> y);
return x;
-#endif
-#ifdef TCG_TARGET_HAS_rot_i64
-#if TCG_TARGET_REG_BITS == 64
case INDEX_op_rotr_i64:
- x = (x << (64 - y)) | (x >> y);
+ x = ((uint64_t)x << (64 - y)) | ((uint64_t)x >> y);
return x;
-#endif
-#endif
-#ifdef TCG_TARGET_HAS_rot_i32
case INDEX_op_rotl_i32:
-#if TCG_TARGET_REG_BITS == 64
- x &= 0xffffffff;
- y &= 0xffffffff;
-#endif
- x = (x << y) | (x >> (32 - y));
+ x = ((uint32_t)x << y) | ((uint32_t)x >> (32 - y));
return x;
-#endif
-#ifdef TCG_TARGET_HAS_rot_i64
-#if TCG_TARGET_REG_BITS == 64
case INDEX_op_rotl_i64:
- x = (x << y) | (x >> (64 - y));
+ x = ((uint64_t)x << y) | ((uint64_t)x >> (64 - y));
return x;
-#endif
-#endif
-
-#if defined(TCG_TARGET_HAS_not_i32) || defined(TCG_TARGET_HAS_not_i64)
-#ifdef TCG_TARGET_HAS_not_i32
- case INDEX_op_not_i32:
-#endif
-#ifdef TCG_TARGET_HAS_not_i64
- case INDEX_op_not_i64:
-#endif
+
+ CASE_OP_32_64(not):
return ~x;
-#endif
-
-#if defined(TCG_TARGET_HAS_ext8s_i32) || defined(TCG_TARGET_HAS_ext8s_i64)
-#ifdef TCG_TARGET_HAS_ext8s_i32
- case INDEX_op_ext8s_i32:
-#endif
-#ifdef TCG_TARGET_HAS_ext8s_i64
- case INDEX_op_ext8s_i64:
-#endif
+
+ CASE_OP_32_64(neg):
+ return -x;
+
+ CASE_OP_32_64(andc):
+ return x & ~y;
+
+ CASE_OP_32_64(orc):
+ return x | ~y;
+
+ CASE_OP_32_64(eqv):
+ return ~(x ^ y);
+
+ CASE_OP_32_64(nand):
+ return ~(x & y);
+
+ CASE_OP_32_64(nor):
+ return ~(x | y);
+
+ CASE_OP_32_64(ext8s):
return (int8_t)x;
-#endif
-
-#if defined(TCG_TARGET_HAS_ext16s_i32) || defined(TCG_TARGET_HAS_ext16s_i64)
-#ifdef TCG_TARGET_HAS_ext16s_i32
- case INDEX_op_ext16s_i32:
-#endif
-#ifdef TCG_TARGET_HAS_ext16s_i64
- case INDEX_op_ext16s_i64:
-#endif
+
+ CASE_OP_32_64(ext16s):
return (int16_t)x;
-#endif
-
-#if defined(TCG_TARGET_HAS_ext8u_i32) || defined(TCG_TARGET_HAS_ext8u_i64)
-#ifdef TCG_TARGET_HAS_ext8u_i32
- case INDEX_op_ext8u_i32:
-#endif
-#ifdef TCG_TARGET_HAS_ext8u_i64
- case INDEX_op_ext8u_i64:
-#endif
+
+ CASE_OP_32_64(ext8u):
return (uint8_t)x;
-#endif
-
-#if defined(TCG_TARGET_HAS_ext16u_i32) || defined(TCG_TARGET_HAS_ext16u_i64)
-#ifdef TCG_TARGET_HAS_ext16u_i32
- case INDEX_op_ext16u_i32:
-#endif
-#ifdef TCG_TARGET_HAS_ext16u_i64
- case INDEX_op_ext16u_i64:
-#endif
+
+ CASE_OP_32_64(ext16u):
return (uint16_t)x;
-#endif
-#if TCG_TARGET_REG_BITS == 64
-#ifdef TCG_TARGET_HAS_ext32s_i64
case INDEX_op_ext32s_i64:
return (int32_t)x;
-#endif
-#ifdef TCG_TARGET_HAS_ext32u_i64
case INDEX_op_ext32u_i64:
return (uint32_t)x;
-#endif
-#endif
default:
fprintf(stderr,
}
}
-static TCGArg do_constant_folding(int op, TCGArg x, TCGArg y)
+static TCGArg do_constant_folding(TCGOpcode op, TCGArg x, TCGArg y)
{
TCGArg res = do_constant_folding_2(op, x, y);
-#if TCG_TARGET_REG_BITS == 64
if (op_bits(op) == 32) {
res &= 0xffffffff;
}
-#endif
return res;
}
static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
TCGArg *args, TCGOpDef *tcg_op_defs)
{
- int i, nb_ops, op_index, op, nb_temps, nb_globals, nb_call_args;
+ int i, nb_ops, op_index, nb_temps, nb_globals, nb_call_args;
+ TCGOpcode op;
const TCGOpDef *def;
TCGArg *gen_args;
TCGArg tmp;
CASE_OP_32_64(and):
CASE_OP_32_64(or):
CASE_OP_32_64(xor):
+ CASE_OP_32_64(eqv):
+ CASE_OP_32_64(nand):
+ CASE_OP_32_64(nor):
if (temps[args[1]].state == TCG_TEMP_CONST) {
tmp = args[1];
args[1] = args[2];
CASE_OP_32_64(shl):
CASE_OP_32_64(shr):
CASE_OP_32_64(sar):
-#ifdef TCG_TARGET_HAS_rot_i32
- case INDEX_op_rotl_i32:
- case INDEX_op_rotr_i32:
-#endif
-#ifdef TCG_TARGET_HAS_rot_i64
- case INDEX_op_rotl_i64:
- case INDEX_op_rotr_i64:
-#endif
+ CASE_OP_32_64(rotl):
+ CASE_OP_32_64(rotr):
if (temps[args[1]].state == TCG_TEMP_CONST) {
/* Proceed with possible constant folding. */
break;
gen_opc_buf[op_index] = INDEX_op_nop;
} else {
gen_opc_buf[op_index] = op_to_mov(op);
- tcg_opt_gen_mov(gen_args, args[0], args[1],
+ tcg_opt_gen_mov(s, gen_args, args[0], args[1],
nb_temps, nb_globals);
gen_args += 2;
args += 3;
gen_opc_buf[op_index] = INDEX_op_nop;
} else {
gen_opc_buf[op_index] = op_to_mov(op);
- tcg_opt_gen_mov(gen_args, args[0], args[1], nb_temps,
+ tcg_opt_gen_mov(s, gen_args, args[0], args[1], nb_temps,
nb_globals);
gen_args += 2;
args += 3;
continue;
}
break;
+ default:
+ break;
}
/* Propagate constants through copy operations and do constant
break;
}
if (temps[args[1]].state != TCG_TEMP_CONST) {
- tcg_opt_gen_mov(gen_args, args[0], args[1],
+ tcg_opt_gen_mov(s, gen_args, args[0], args[1],
nb_temps, nb_globals);
gen_args += 2;
args += 2;
args += 2;
break;
CASE_OP_32_64(not):
-#ifdef TCG_TARGET_HAS_ext8s_i32
- case INDEX_op_ext8s_i32:
-#endif
-#ifdef TCG_TARGET_HAS_ext8s_i64
- case INDEX_op_ext8s_i64:
-#endif
-#ifdef TCG_TARGET_HAS_ext16s_i32
- case INDEX_op_ext16s_i32:
-#endif
-#ifdef TCG_TARGET_HAS_ext16s_i64
- case INDEX_op_ext16s_i64:
-#endif
-#ifdef TCG_TARGET_HAS_ext8u_i32
- case INDEX_op_ext8u_i32:
-#endif
-#ifdef TCG_TARGET_HAS_ext8u_i64
- case INDEX_op_ext8u_i64:
-#endif
-#ifdef TCG_TARGET_HAS_ext16u_i32
- case INDEX_op_ext16u_i32:
-#endif
-#ifdef TCG_TARGET_HAS_ext16u_i64
- case INDEX_op_ext16u_i64:
-#endif
-#if TCG_TARGET_REG_BITS == 64
+ CASE_OP_32_64(neg):
+ CASE_OP_32_64(ext8s):
+ CASE_OP_32_64(ext8u):
+ CASE_OP_32_64(ext16s):
+ CASE_OP_32_64(ext16u):
case INDEX_op_ext32s_i64:
case INDEX_op_ext32u_i64:
-#endif
if (temps[args[1]].state == TCG_TEMP_CONST) {
gen_opc_buf[op_index] = op_to_movi(op);
tmp = do_constant_folding(op, temps[args[1]].val, 0);
CASE_OP_32_64(shl):
CASE_OP_32_64(shr):
CASE_OP_32_64(sar):
-#ifdef TCG_TARGET_HAS_rot_i32
- case INDEX_op_rotl_i32:
- case INDEX_op_rotr_i32:
-#endif
-#ifdef TCG_TARGET_HAS_rot_i64
- case INDEX_op_rotl_i64:
- case INDEX_op_rotr_i64:
-#endif
+ CASE_OP_32_64(rotl):
+ CASE_OP_32_64(rotr):
+ CASE_OP_32_64(andc):
+ CASE_OP_32_64(orc):
+ CASE_OP_32_64(eqv):
+ CASE_OP_32_64(nand):
+ CASE_OP_32_64(nor):
if (temps[args[1]].state == TCG_TEMP_CONST
&& temps[args[2]].state == TCG_TEMP_CONST) {
gen_opc_buf[op_index] = op_to_movi(op);
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