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* winbase.h: Semi-revert previous patch as it caused strange behavior. Use

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syntax similar to that recommended in mingw-dvlpr.
This commit is contained in:
Christopher Faylor
2004-05-25 20:00:19 +00:00
parent 9a17d61b09
commit 37eadb6fb1
3 changed files with 10 additions and 5 deletions
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8
winsup/cygwin/winbase.h
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@ -11,7 +11,7 @@ ilockincr (long *m)
movl $1,%0\n\
lock xadd %0,%1\n\
inc %0\n\
": "=a" (__res), "+m" (m): : "memory", "cc");
": "=a" (__res), "+m" (*m): : "cc");
return __res;
}
@ -23,7 +23,7 @@ ilockdecr (long *m)
movl $0xffffffff,%0\n\
lock xadd %0,%1\n\
dec %0\n\
": "=a" (__res), "+m" (m): : "memory", "cc");
": "=a" (__res), "+m" (*m): : "cc");
return __res;
}
@ -34,7 +34,7 @@ ilockexch (long *t, long v)
__asm__ __volatile__ ("\n\
1: lock cmpxchgl %3,(%1)\n\
jne 1b\n\
": "=a" (__res), "=q" (t): "1" (t), "q" (v), "0" (*t): "memory", "cc");
": "=a" (__res), "=q" (t): "1" (t), "q" (v), "0" (*t): "cc");
return __res;
}
@ -44,7 +44,7 @@ ilockcmpexch (long *t, long v, long c)
register int __res;
__asm__ __volatile__ ("\n\
lock cmpxchgl %3,(%1)\n\
": "=a" (__res), "=q" (t) : "1" (t), "q" (v), "0" (c): "memory", "cc");
": "=a" (__res), "=q" (t) : "1" (t), "q" (v), "0" (c): "cc");
return __res;
}