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authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2005-04-26 20:38:17 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2005-04-26 20:38:17 +0000
commit43fb823b5f89c6d716e2cbce603c6fb1ca6c0b2f (patch)
treed34fc754d9b2417efdbe37d89410fbebc9449103 /target-i386/ops_sse.h
parente50e6a20192616b93d94be316556deb001e4f477 (diff)
downloadqemu-arm-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.h82
1 files changed, 14 insertions, 68 deletions
diff --git a/target-i386/ops_sse.h b/target-i386/ops_sse.h
index f982594a8d..cdc3801200 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();
}