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author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2005-04-26 20:38:17 +0000 |
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committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2005-04-26 20:38:17 +0000 |
commit | 43fb823b5f89c6d716e2cbce603c6fb1ca6c0b2f (patch) | |
tree | d34fc754d9b2417efdbe37d89410fbebc9449103 /target-i386/ops_sse.h | |
parent | e50e6a20192616b93d94be316556deb001e4f477 (diff) | |
download | hqemu-43fb823b5f89c6d716e2cbce603c6fb1ca6c0b2f.zip hqemu-43fb823b5f89c6d716e2cbce603c6fb1ca6c0b2f.tar.gz |
removed switches in op.c (Paul Brook)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1400 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-i386/ops_sse.h')
-rw-r--r-- | target-i386/ops_sse.h | 82 |
1 files changed, 14 insertions, 68 deletions
diff --git a/target-i386/ops_sse.h b/target-i386/ops_sse.h index f982594..cdc3801 100644 --- a/target-i386/ops_sse.h +++ b/target-i386/ops_sse.h @@ -1079,9 +1079,11 @@ SSE_OP_CMP(cmpnlt, FPU_CMPNLT) SSE_OP_CMP(cmpnle, FPU_CMPNLE) SSE_OP_CMP(cmpord, FPU_CMPORD) +const int comis_eflags[4] = {CC_C, CC_Z, 0, CC_Z | CC_P | CC_C}; + void OPPROTO op_ucomiss(void) { - int eflags; + int ret; float32 s0, s1; Reg *d, *s; d = (Reg *)((char *)env + PARAM1); @@ -1089,28 +1091,14 @@ void OPPROTO op_ucomiss(void) s0 = d->XMM_S(0); s1 = s->XMM_S(0); - switch(float32_compare_quiet(s0, s1, &env->sse_status)) { - case -1: - eflags = CC_C; - break; - case 0: - eflags = CC_Z; - break; - case 1: - eflags = 0; - break; - case 2: - default: - eflags = CC_Z | CC_P | CC_C; - break; - } - CC_SRC = eflags; + ret = float32_compare_quiet(s0, s1, &env->sse_status); + CC_SRC = comis_eflags[ret + 1]; FORCE_RET(); } void OPPROTO op_comiss(void) { - int eflags; + int ret; float32 s0, s1; Reg *d, *s; d = (Reg *)((char *)env + PARAM1); @@ -1118,28 +1106,14 @@ void OPPROTO op_comiss(void) s0 = d->XMM_S(0); s1 = s->XMM_S(0); - switch(float32_compare(s0, s1, &env->sse_status)) { - case -1: - eflags = CC_C; - break; - case 0: - eflags = CC_Z; - break; - case 1: - eflags = 0; - break; - case 2: - default: - eflags = CC_Z | CC_P | CC_C; - break; - } - CC_SRC = eflags; + ret = float32_compare(s0, s1, &env->sse_status); + CC_SRC = comis_eflags[ret + 1]; FORCE_RET(); } void OPPROTO op_ucomisd(void) { - int eflags; + int ret; float64 d0, d1; Reg *d, *s; d = (Reg *)((char *)env + PARAM1); @@ -1147,28 +1121,14 @@ void OPPROTO op_ucomisd(void) d0 = d->XMM_D(0); d1 = s->XMM_D(0); - switch(float64_compare_quiet(d0, d1, &env->sse_status)) { - case -1: - eflags = CC_C; - break; - case 0: - eflags = CC_Z; - break; - case 1: - eflags = 0; - break; - case 2: - default: - eflags = CC_Z | CC_P | CC_C; - break; - } - CC_SRC = eflags; + ret = float64_compare_quiet(d0, d1, &env->sse_status); + CC_SRC = comis_eflags[ret + 1]; FORCE_RET(); } void OPPROTO op_comisd(void) { - int eflags; + int ret; float64 d0, d1; Reg *d, *s; d = (Reg *)((char *)env + PARAM1); @@ -1176,22 +1136,8 @@ void OPPROTO op_comisd(void) d0 = d->XMM_D(0); d1 = s->XMM_D(0); - switch(float64_compare(d0, d1, &env->sse_status)) { - case -1: - eflags = CC_C; - break; - case 0: - eflags = CC_Z; - break; - case 1: - eflags = 0; - break; - case 2: - default: - eflags = CC_Z | CC_P | CC_C; - break; - } - CC_SRC = eflags; + ret = float64_compare(d0, d1, &env->sse_status); + CC_SRC = comis_eflags[ret + 1]; FORCE_RET(); } |