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win87em.dll16: Remove a unnecessary floating point instruction that can cause invalid operation exceptions.

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Rein Klazes 2009-05-22 09:02:00 +02:00 • committed by Alexandre Julliard
parent 691aa6e267
commit b0a40dafd9
1 changed files with 0 additions and 3 deletions
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3
dlls/win87em.dll16/win87em.c
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@ -149,7 +149,6 @@ void WINAPI _fpMath( CONTEXT *context )
case 6: /* round top of stack to integer using method AX & 0x0C00 */ case 6: /* round top of stack to integer using method AX & 0x0C00 */
/* returns current controlword */ /* returns current controlword */
{ {
DWORD dw=0;
WORD save,mask; WORD save,mask;
/* I don't know much about asm() programming. This could be /* I don't know much about asm() programming. This could be
* wrong. * wrong.
@ -160,10 +159,8 @@ void WINAPI _fpMath( CONTEXT *context )
__asm__ __volatile__("orw $0xC00,%0" : "=m" (mask) : : "memory"); __asm__ __volatile__("orw $0xC00,%0" : "=m" (mask) : : "memory");
__asm__ __volatile__("fldcw %0;wait" : : "m" (mask)); __asm__ __volatile__("fldcw %0;wait" : : "m" (mask));
__asm__ __volatile__("frndint"); __asm__ __volatile__("frndint");
__asm__ __volatile__("fist %0;wait" : "=m" (dw) : : "memory");
__asm__ __volatile__("fldcw %0" : : "m" (save)); __asm__ __volatile__("fldcw %0" : : "m" (save));
#endif #endif
TRACE("On top of stack is %d\n",dw);
} }
break; break;