From: aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Mon, 15 Dec 2008 22:07:50 +0000 (+0000)
Subject: softfloat-native: improve correctness of floatXX_is_neg()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8d6c92b6b18a95e079d340db117c77f0e01b71f1;p=qemu.git

softfloat-native: improve correctness of floatXX_is_neg()

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6059 c046a42c-6fe2-441c-8c8c-71466251a162
---

diff --git a/fpu/softfloat-native.h b/fpu/softfloat-native.h
index c795795151..c885f1b51f 100644
--- a/fpu/softfloat-native.h
+++ b/fpu/softfloat-native.h
@@ -265,7 +265,9 @@ INLINE float32 float32_is_infinity(float32 a)
 
 INLINE float32 float32_is_neg(float32 a)
 {
-    return a < 0.0;
+    float32u u;
+    u.f = a;
+    return u.i >> 31;
 }
 
 INLINE float32 float32_is_zero(float32 a)
@@ -372,7 +374,9 @@ INLINE float64 float64_is_infinity(float64 a)
 
 INLINE float64 float64_is_neg(float64 a)
 {
-    return a < 0.0;
+    float64u u;
+    u.f = a;
+    return u.i >> 63;
 }
 
 INLINE float64 float64_is_zero(float64 a)
@@ -474,7 +478,9 @@ INLINE floatx80 floatx80_is_infinity(floatx80 a)
 
 INLINE floatx80 floatx80_is_neg(floatx80 a)
 {
-    return a < 0.0;
+    floatx80u u;
+    u.f = a;
+    return u.i.high >> 15;
 }
 
 INLINE floatx80 floatx80_is_zero(floatx80 a)