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PPC: check for x-form asm constraint support

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Originally committed as revision 18606 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård
2009-04-18 13:57:30 +00:00
parent a208350c3c
commit cc078b5d8f
2 changed files with 6 additions and 0 deletions
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2
configure vendored
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@@ -924,6 +924,7 @@ HAVE_LIST="
truncf truncf
VirtualAlloc VirtualAlloc
winsock2_h winsock2_h
xform_asm
yasm yasm
" "
@@ -1908,6 +1909,7 @@ fi
enabled ppc && check_asm dcbzl '"dcbzl 0, 1"' enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"' 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 # check for SIMD availability

4
libavutil/ppc/intreadwrite.h
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@@ -24,6 +24,8 @@
#include <stdint.h> #include <stdint.h>
#include "config.h" #include "config.h"
#if HAVE_XFORM_ASM
#define AV_RL16 AV_RL16 #define AV_RL16 AV_RL16
static inline uint16_t AV_RL16(const void *p) 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_LDBRX */
#endif /* HAVE_XFORM_ASM */
/* /*
* GCC fails miserably on the packed struct version which is used by * GCC fails miserably on the packed struct version which is used by
* default, so we override it here. * default, so we override it here.