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From e655b07e077e8f458c35e3515f50ca8e3ba72753 Mon Sep 17 00:00:00 2001
From: Florian Franzmann <siflfran@hawo.stw.uni-erlangen.de>
Date: Sun, 24 Feb 2013 11:56:29 +0100
Subject: [PATCH 2/3] 4.7.2 ffast-math
---
libgcc/config/i386/crtfastmath.c | 33 +++++++++++++++++----------------
1 file changed, 17 insertions(+), 16 deletions(-)
diff --git a/libgcc/config/i386/crtfastmath.c b/libgcc/config/i386/crtfastmath.c
index 7abe500..392086e 100644
--- a/libgcc/config/i386/crtfastmath.c
+++ b/libgcc/config/i386/crtfastmath.c
@@ -50,6 +50,23 @@ sigill_hdlr (int sig __attribute((unused)),
}
#endif
+struct
+{
+ unsigned short int cwd;
+ unsigned short int swd;
+ unsigned short int twd;
+ unsigned short int fop;
+ long int fip;
+ long int fcs;
+ long int foo;
+ long int fos;
+ long int mxcsr;
+ long int mxcsr_mask;
+ long int st_space[32];
+ long int xmm_space[32];
+ long int padding[56];
+} __attribute__ ((aligned (16))) fxsave;
+
static void __attribute__((constructor))
#ifndef __x86_64__
/* The i386 ABI only requires 4-byte stack alignment, so this is necessary
@@ -96,22 +113,6 @@ set_fast_math (void)
if (edx & bit_FXSAVE)
{
/* Check if DAZ is available. */
- struct
- {
- unsigned short int cwd;
- unsigned short int swd;
- unsigned short int twd;
- unsigned short int fop;
- long int fip;
- long int fcs;
- long int foo;
- long int fos;
- long int mxcsr;
- long int mxcsr_mask;
- long int st_space[32];
- long int xmm_space[32];
- long int padding[56];
- } __attribute__ ((aligned (16))) fxsave;
__builtin_memset (&fxsave, 0, sizeof (fxsave));
--
1.8.1.3
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