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[Qemu-devel] [PATCH v2 10/19] target-i386: fix CMPUNORDPS/D and CMPORDPS
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [PATCH v2 10/19] target-i386: fix CMPUNORDPS/D and CMPORDPS/D instructions |
Date: |
Thu, 14 Apr 2011 01:11:05 +0200 |
SSE instructions CMPUNORDPS/D and CMPORDPS/D do not trigger an invalid
exception if operands are qNANs.
Reviewed-by: Peter Maydell <address@hidden>
Signed-off-by: Aurelien Jarno <address@hidden>
---
target-i386/ops_sse.h | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/target-i386/ops_sse.h b/target-i386/ops_sse.h
index 3232abd..986cbe3 100644
--- a/target-i386/ops_sse.h
+++ b/target-i386/ops_sse.h
@@ -924,11 +924,11 @@ void helper_ ## name ## sd (Reg *d, Reg *s)\
#define FPU_CMPEQ(size, a, b) float ## size ## _eq(a, b, &env->sse_status) ?
-1 : 0
#define FPU_CMPLT(size, a, b) float ## size ## _lt(a, b, &env->sse_status) ?
-1 : 0
#define FPU_CMPLE(size, a, b) float ## size ## _le(a, b, &env->sse_status) ?
-1 : 0
-#define FPU_CMPUNORD(size, a, b) float ## size ## _unordered(a, b,
&env->sse_status) ? - 1 : 0
+#define FPU_CMPUNORD(size, a, b) float ## size ## _unordered_quiet(a, b,
&env->sse_status) ? - 1 : 0
#define FPU_CMPNEQ(size, a, b) float ## size ## _eq(a, b, &env->sse_status) ?
0 : -1
#define FPU_CMPNLT(size, a, b) float ## size ## _lt(a, b, &env->sse_status) ?
0 : -1
#define FPU_CMPNLE(size, a, b) float ## size ## _le(a, b, &env->sse_status) ?
0 : -1
-#define FPU_CMPORD(size, a, b) float ## size ## _unordered(a, b,
&env->sse_status) ? 0 : -1
+#define FPU_CMPORD(size, a, b) float ## size ## _unordered_quiet(a, b,
&env->sse_status) ? 0 : -1
SSE_HELPER_CMP(cmpeq, FPU_CMPEQ)
SSE_HELPER_CMP(cmplt, FPU_CMPLT)
--
1.7.2.3
- [Qemu-devel] [PATCH v2 00/19] softfloat and FPU fixes/improvements, Aurelien Jarno, 2011/04/13
- [Qemu-devel] [PATCH v2 04/19] target-i386: use float unions from cpu-all.h, Aurelien Jarno, 2011/04/13
- [Qemu-devel] [PATCH v2 05/19] target-i386: add floatx_{add, mul, sub} and use them, Aurelien Jarno, 2011/04/13
- [Qemu-devel] [PATCH v2 07/19] softfloat-native: add float*_unordered_quiet() functions, Aurelien Jarno, 2011/04/13
- [Qemu-devel] [PATCH v2 13/19] softfloat: move float*_eq and float*_eq_quiet, Aurelien Jarno, 2011/04/13
- [Qemu-devel] [PATCH v2 08/19] target-alpha: use new float64_unordered_quiet() function, Aurelien Jarno, 2011/04/13
- [Qemu-devel] [PATCH v2 01/19] softfloat: use GCC builtins to count the leading zeros, Aurelien Jarno, 2011/04/13
- [Qemu-devel] [PATCH v2 03/19] target-i386: use CPU_LDoubleU instead of a private union, Aurelien Jarno, 2011/04/13
- [Qemu-devel] [PATCH v2 10/19] target-i386: fix CMPUNORDPS/D and CMPORDPS/D instructions,
Aurelien Jarno <=
- [Qemu-devel] [PATCH v2 19/19] target-mips: clear softfpu exception state for comparison instructions, Aurelien Jarno, 2011/04/13
- [Qemu-devel] [PATCH v2 17/19] target-mips: don't hardcode softfloat exception bits, Aurelien Jarno, 2011/04/13
- [Qemu-devel] [PATCH v2 14/19] softfloat: improve description of comparison functions, Aurelien Jarno, 2011/04/13
- [Qemu-devel] [PATCH v2 18/19] target-mips: fix c.ps.* instructions, Aurelien Jarno, 2011/04/13
- [Qemu-devel] [PATCH v2 06/19] softfloat: add float*_unordered_{, quiet}() functions, Aurelien Jarno, 2011/04/13
- [Qemu-devel] [PATCH v2 09/19] target-mips: use new float*_unordered*() functions, Aurelien Jarno, 2011/04/13
- [Qemu-devel] [PATCH v2 12/19] softfloat: rename float*_eq_signaling() into float*_eq(), Aurelien Jarno, 2011/04/13
- [Qemu-devel] [PATCH v2 15/19] target-ppc: fix SPE comparison functions, Aurelien Jarno, 2011/04/13
- [Qemu-devel] [PATCH v2 02/19] cpu-all.h: define CPU_LDoubleU, Aurelien Jarno, 2011/04/13
- [Qemu-devel] [PATCH v2 11/19] softfloat: rename float*_eq() into float*_eq_quiet(), Aurelien Jarno, 2011/04/13