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PPC: fix asm operand constraints in AV_RL64

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The target register of first word loaded must be marked early-clobber.

Originally committed as revision 19536 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2009-07-29 19:06:55 +00:00
parent 18b55f639a
commit b6ec1f47c7
1 changed files with 1 additions and 1 deletions
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libavutil/ppc/intreadwrite.h
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@ -78,7 +78,7 @@ static inline uint64_t AV_RL64(const void *p)
union { uint64_t v; uint32_t hl[2]; } v; union { uint64_t v; uint32_t hl[2]; } v;
__asm__ ("lwbrx %0, %y2 \n\t" __asm__ ("lwbrx %0, %y2 \n\t"
"lwbrx %1, %y3 \n\t" "lwbrx %1, %y3 \n\t"
: "=r"(v.hl[1]), "=r"(v.hl[0]) : "=&r"(v.hl[1]), "=r"(v.hl[0])
: "Z"(*(const uint32_t*)p), "Z"(*((const uint32_t*)p+1))); : "Z"(*(const uint32_t*)p), "Z"(*((const uint32_t*)p+1)));
return v.v; return v.v;
} }