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sfp-exceptions.c (__sfp_handle_exceptions): Emit SSE instructions for 64bit targets only.

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* config/i386/sfp-exceptions.c (__sfp_handle_exceptions): Emit SSE
	instructions for 64bit targets only.

From-SVN: r192355
This commit is contained in:
Uros Bizjak 2012-10-11 13:44:51 +02:00 • committed by Uros Bizjak
parent 1e2a71c8bf
commit 945a9c1f6d
2 changed files with 7 additions and 2 deletions
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5
libgcc/ChangeLog
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@ -1,3 +1,8 @@
2012-10-10 Uros Bizjak <ubizjak@gmail.com>
* config/i386/sfp-exceptions.c (__sfp_handle_exceptions): Emit SSE
instructions for 64bit targets only.
2012-10-10 Uros Bizjak <ubizjak@gmail.com>
* config/i386/sfp-machine.h (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF,

4
libgcc/config/i386/sfp-exceptions.c
View file

@ -46,7 +46,7 @@ __sfp_handle_exceptions (int _fex)
if (_fex & FP_EX_INVALID)
{
float f = 0.0f;
#ifdef __SSE__
#ifdef __x86_64__
asm volatile ("%vdivss\t{%0, %d0|%d0, %0}" : "+x" (f));
#else
asm volatile ("fdiv\t{%y0, %0|%0, %y0}" : "+t" (f));
@ -56,7 +56,7 @@ __sfp_handle_exceptions (int _fex)
if (_fex & FP_EX_DIVZERO)
{
float f = 1.0f, g = 0.0f;
#ifdef __SSE__
#ifdef __x86_64__
asm volatile ("%vdivss\t{%1, %d0|%d0, %1}" : "+x" (f) : "xm" (g));
#else
asm volatile ("fdivs\t%1" : "+t" (f) : "m" (g));