PPC: check for x-form asm constraint support

Originally committed as revision 18606 to svn://svn.ffmpeg.org/ffmpeg/trunk
release/0.6
Måns Rullgård 16 years ago
parent a208350c3c
commit cc078b5d8f
  1. 2
      configure
  2. 4
      libavutil/ppc/intreadwrite.h

2
configure vendored

@ -924,6 +924,7 @@ HAVE_LIST="
truncf
VirtualAlloc
winsock2_h
xform_asm
yasm
"
@ -1908,6 +1909,7 @@ fi
enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
# check for SIMD availability

@ -24,6 +24,8 @@
#include <stdint.h>
#include "config.h"
#if HAVE_XFORM_ASM
#define AV_RL16 AV_RL16
static inline uint16_t AV_RL16(const void *p)
{
@ -93,6 +95,8 @@ static inline void AV_WL64(void *p, uint64_t v)
#endif /* HAVE_LDBRX */
#endif /* HAVE_XFORM_ASM */
/*
* GCC fails miserably on the packed struct version which is used by
* default, so we override it here.

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