Alexandre Julliard : msvcrt: Implemented _fpreset for SSE2 and x86_64.
Alexandre Julliard
julliard at winehq.org
Wed Jan 26 10:43:53 CST 2011
Module: wine
Branch: master
Commit: c74f6ca570ba1f5209888f0d1ed92b0ed29f0a8b
URL: http://source.winehq.org/git/wine.git/?a=commit;h=c74f6ca570ba1f5209888f0d1ed92b0ed29f0a8b
Author: Alexandre Julliard <julliard at winehq.org>
Date: Tue Jan 25 22:12:16 2011 +0100
msvcrt: Implemented _fpreset for SSE2 and x86_64.
---
dlls/msvcrt/math.c | 12 +++++++++---
1 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/dlls/msvcrt/math.c b/dlls/msvcrt/math.c
index 6755fbb..306ad1d 100644
--- a/dlls/msvcrt/math.c
+++ b/dlls/msvcrt/math.c
@@ -1111,10 +1111,16 @@ int CDECL _finite(double num)
*/
void CDECL _fpreset(void)
{
-#if defined(__GNUC__) && defined(__i386__)
- __asm__ __volatile__( "fninit" );
+#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
+ const unsigned int x86_cw = 0x27f;
+ __asm__ __volatile__( "fninit; fldcw %0" : : "m" (x86_cw) );
+ if (sse2_supported)
+ {
+ const unsigned long sse2_cw = 0x1f80;
+ __asm__ __volatile__( "ldmxcsr %0" : : "m" (sse2_cw) );
+ }
#else
- FIXME(":Not Implemented!\n");
+ FIXME( "not implemented\n" );
#endif
}
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