diff options
Diffstat (limited to 'target-i386/ops_template.h')
-rw-r--r-- | target-i386/ops_template.h | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/target-i386/ops_template.h b/target-i386/ops_template.h index 219f295722..49c04b5122 100644 --- a/target-i386/ops_template.h +++ b/target-i386/ops_template.h @@ -51,221 +51,6 @@ #error unhandled operand size #endif -/* dynamic flags computation */ - -static int glue(compute_all_add, SUFFIX)(void) -{ - int cf, pf, af, zf, sf, of; - target_long src1, src2; - src1 = CC_SRC; - src2 = CC_DST - CC_SRC; - cf = (DATA_TYPE)CC_DST < (DATA_TYPE)src1; - pf = parity_table[(uint8_t)CC_DST]; - af = (CC_DST ^ src1 ^ src2) & 0x10; - zf = ((DATA_TYPE)CC_DST == 0) << 6; - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; - of = lshift((src1 ^ src2 ^ -1) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O; - return cf | pf | af | zf | sf | of; -} - -static int glue(compute_c_add, SUFFIX)(void) -{ - int cf; - target_long src1; - src1 = CC_SRC; - cf = (DATA_TYPE)CC_DST < (DATA_TYPE)src1; - return cf; -} - -static int glue(compute_all_adc, SUFFIX)(void) -{ - int cf, pf, af, zf, sf, of; - target_long src1, src2; - src1 = CC_SRC; - src2 = CC_DST - CC_SRC - 1; - cf = (DATA_TYPE)CC_DST <= (DATA_TYPE)src1; - pf = parity_table[(uint8_t)CC_DST]; - af = (CC_DST ^ src1 ^ src2) & 0x10; - zf = ((DATA_TYPE)CC_DST == 0) << 6; - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; - of = lshift((src1 ^ src2 ^ -1) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O; - return cf | pf | af | zf | sf | of; -} - -static int glue(compute_c_adc, SUFFIX)(void) -{ - int cf; - target_long src1; - src1 = CC_SRC; - cf = (DATA_TYPE)CC_DST <= (DATA_TYPE)src1; - return cf; -} - -static int glue(compute_all_sub, SUFFIX)(void) -{ - int cf, pf, af, zf, sf, of; - target_long src1, src2; - src1 = CC_DST + CC_SRC; - src2 = CC_SRC; - cf = (DATA_TYPE)src1 < (DATA_TYPE)src2; - pf = parity_table[(uint8_t)CC_DST]; - af = (CC_DST ^ src1 ^ src2) & 0x10; - zf = ((DATA_TYPE)CC_DST == 0) << 6; - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; - of = lshift((src1 ^ src2) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O; - return cf | pf | af | zf | sf | of; -} - -static int glue(compute_c_sub, SUFFIX)(void) -{ - int cf; - target_long src1, src2; - src1 = CC_DST + CC_SRC; - src2 = CC_SRC; - cf = (DATA_TYPE)src1 < (DATA_TYPE)src2; - return cf; -} - -static int glue(compute_all_sbb, SUFFIX)(void) -{ - int cf, pf, af, zf, sf, of; - target_long src1, src2; - src1 = CC_DST + CC_SRC + 1; - src2 = CC_SRC; - cf = (DATA_TYPE)src1 <= (DATA_TYPE)src2; - pf = parity_table[(uint8_t)CC_DST]; - af = (CC_DST ^ src1 ^ src2) & 0x10; - zf = ((DATA_TYPE)CC_DST == 0) << 6; - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; - of = lshift((src1 ^ src2) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O; - return cf | pf | af | zf | sf | of; -} - -static int glue(compute_c_sbb, SUFFIX)(void) -{ - int cf; - target_long src1, src2; - src1 = CC_DST + CC_SRC + 1; - src2 = CC_SRC; - cf = (DATA_TYPE)src1 <= (DATA_TYPE)src2; - return cf; -} - -static int glue(compute_all_logic, SUFFIX)(void) -{ - int cf, pf, af, zf, sf, of; - cf = 0; - pf = parity_table[(uint8_t)CC_DST]; - af = 0; - zf = ((DATA_TYPE)CC_DST == 0) << 6; - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; - of = 0; - return cf | pf | af | zf | sf | of; -} - -static int glue(compute_c_logic, SUFFIX)(void) -{ - return 0; -} - -static int glue(compute_all_inc, SUFFIX)(void) -{ - int cf, pf, af, zf, sf, of; - target_long src1, src2; - src1 = CC_DST - 1; - src2 = 1; - cf = CC_SRC; - pf = parity_table[(uint8_t)CC_DST]; - af = (CC_DST ^ src1 ^ src2) & 0x10; - zf = ((DATA_TYPE)CC_DST == 0) << 6; - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; - of = ((CC_DST & DATA_MASK) == SIGN_MASK) << 11; - return cf | pf | af | zf | sf | of; -} - -#if DATA_BITS == 32 -static int glue(compute_c_inc, SUFFIX)(void) -{ - return CC_SRC; -} -#endif - -static int glue(compute_all_dec, SUFFIX)(void) -{ - int cf, pf, af, zf, sf, of; - target_long src1, src2; - src1 = CC_DST + 1; - src2 = 1; - cf = CC_SRC; - pf = parity_table[(uint8_t)CC_DST]; - af = (CC_DST ^ src1 ^ src2) & 0x10; - zf = ((DATA_TYPE)CC_DST == 0) << 6; - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; - of = ((CC_DST & DATA_MASK) == ((target_ulong)SIGN_MASK - 1)) << 11; - return cf | pf | af | zf | sf | of; -} - -static int glue(compute_all_shl, SUFFIX)(void) -{ - int cf, pf, af, zf, sf, of; - cf = (CC_SRC >> (DATA_BITS - 1)) & CC_C; - pf = parity_table[(uint8_t)CC_DST]; - af = 0; /* undefined */ - zf = ((DATA_TYPE)CC_DST == 0) << 6; - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; - /* of is defined if shift count == 1 */ - of = lshift(CC_SRC ^ CC_DST, 12 - DATA_BITS) & CC_O; - return cf | pf | af | zf | sf | of; -} - -static int glue(compute_c_shl, SUFFIX)(void) -{ - return (CC_SRC >> (DATA_BITS - 1)) & CC_C; -} - -#if DATA_BITS == 32 -static int glue(compute_c_sar, SUFFIX)(void) -{ - return CC_SRC & 1; -} -#endif - -static int glue(compute_all_sar, SUFFIX)(void) -{ - int cf, pf, af, zf, sf, of; - cf = CC_SRC & 1; - pf = parity_table[(uint8_t)CC_DST]; - af = 0; /* undefined */ - zf = ((DATA_TYPE)CC_DST == 0) << 6; - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; - /* of is defined if shift count == 1 */ - of = lshift(CC_SRC ^ CC_DST, 12 - DATA_BITS) & CC_O; - return cf | pf | af | zf | sf | of; -} - -#if DATA_BITS == 32 -static int glue(compute_c_mul, SUFFIX)(void) -{ - int cf; - cf = (CC_SRC != 0); - return cf; -} -#endif - -/* NOTE: we compute the flags like the P4. On olders CPUs, only OF and - CF are modified and it is slower to do that. */ -static int glue(compute_all_mul, SUFFIX)(void) -{ - int cf, pf, af, zf, sf, of; - cf = (CC_SRC != 0); - pf = parity_table[(uint8_t)CC_DST]; - af = 0; /* undefined */ - zf = ((DATA_TYPE)CC_DST == 0) << 6; - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; - of = cf << 11; - return cf | pf | af | zf | sf | of; -} - /* various optimized jumps cases */ void OPPROTO glue(op_jb_sub, SUFFIX)(void) |