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ppu_intrinsics.h (__ldarx): Use Z' constraint, not m' for *ptrp.

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* config/rs6000/ppu_intrinsics.h (__ldarx): Use `Z' constraint,
	not `m' for *ptrp.
	(__stdcx): Make asm volatile.
	(__stwcx, __stdcx): Return only 0 or 1.

From-SVN: r128116
This commit is contained in:
Ben Elliston 2007-09-05 01:22:05 +00:00 committed by Ben Elliston
parent c1bb7f8670
commit ff90b22062
2 changed files with 11 additions and 4 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2007-09-05 Ben Elliston <bje@au.ibm.com>
* config/rs6000/ppu_intrinsics.h (__ldarx): Use `Z' constraint,
not `m' for *ptrp.
(__stdcx): Make asm volatile.
(__stwcx, __stdcx): Return only 0 or 1.
2007-09-05 Jan Hubicka <jh@suse.cz>
Revert:

8
gcc/config/rs6000/ppu_intrinsics.h
View File

@ -356,7 +356,7 @@ typedef int __V4SI __attribute__((vector_size(16)));
doublewordsize *ptrp = (doublewordsize*)(void*)(base); \
__asm__ volatile ("ldarx %0,%y1" \
: "=r" (result) \
: "m" (*ptrp)); \
: "Z" (*ptrp)); \
result; })
#endif /* __powerpc64__ */
@ -369,7 +369,7 @@ typedef int __V4SI __attribute__((vector_size(16)));
: "=r" (result), \
"=Z" (*ptrp) \
: "r" (value) : "cr0"); \
(result & 0x20000000); })
((result & 0x20000000) >> 29); })
#ifdef __powerpc64__
@ -377,12 +377,12 @@ typedef int __V4SI __attribute__((vector_size(16)));
({unsigned long long result; \
typedef struct {char a[8];} doublewordsize; \
doublewordsize *ptrp = (doublewordsize*)(void*)(base); \
__asm__ ("stdcx. %2,%y1\n" \
__asm__ volatile ("stdcx. %2,%y1\n" \
"\tmfocrf %0,0x80" \
: "=r" (result), \
"=Z" (*ptrp) \
: "r" (value) : "cr0"); \
(result & 0x20000000); })
((result & 0x20000000) >> 29); })
#endif /* __powerpc64__ */
#define __mffs() __extension__ \