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From: Aurelien Jarno <aurelien@aurel32.net>
To: qemu-devel@nongnu.org
Cc: Aurelien Jarno <aurelien@aurel32.net>
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	[thread overview]
Message-ID: <1302736274-2908-11-git-send-email-aurelien@aurel32.net> (raw)
In-Reply-To: <1302736274-2908-1-git-send-email-aurelien@aurel32.net>

SSE instructions CMPUNORDPS/D and CMPORDPS/D do not trigger an invalid
exception if operands are qNANs.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
---
 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

  parent reply	other threads:[~2011-04-13 23:11 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-13 23:10 [Qemu-devel] [PATCH v2 00/19] softfloat and FPU fixes/improvements Aurelien Jarno
2011-04-13 23:10 ` [Qemu-devel] [PATCH v2 01/19] softfloat: use GCC builtins to count the leading zeros Aurelien Jarno
2011-04-13 23:10 ` [Qemu-devel] [PATCH v2 02/19] cpu-all.h: define CPU_LDoubleU Aurelien Jarno
2011-04-13 23:10 ` [Qemu-devel] [PATCH v2 03/19] target-i386: use CPU_LDoubleU instead of a private union Aurelien Jarno
2011-04-13 23:10 ` [Qemu-devel] [PATCH v2 04/19] target-i386: use float unions from cpu-all.h Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 05/19] target-i386: add floatx_{add, mul, sub} and use them Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 06/19] softfloat: add float*_unordered_{, quiet}() functions Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 07/19] softfloat-native: add float*_unordered_quiet() functions Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 08/19] target-alpha: use new float64_unordered_quiet() function Aurelien Jarno
2011-04-14 16:35   ` Richard Henderson
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 09/19] target-mips: use new float*_unordered*() functions Aurelien Jarno
2011-04-13 23:11 ` Aurelien Jarno [this message]
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 11/19] softfloat: rename float*_eq() into float*_eq_quiet() Aurelien Jarno
2011-04-14  8:54   ` Edgar E. Iglesias
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 12/19] softfloat: rename float*_eq_signaling() into float*_eq() Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 13/19] softfloat: move float*_eq and float*_eq_quiet Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 14/19] softfloat: improve description of comparison functions Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 15/19] target-ppc: fix SPE " Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 16/19] target-mips: simplify FP comparisons Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 17/19] target-mips: don't hardcode softfloat exception bits Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 18/19] target-mips: fix c.ps.* instructions Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 19/19] target-mips: clear softfpu exception state for comparison instructions Aurelien Jarno

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