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Code Issues Releases Activity

avutil/ppc/intreadwrite: try to fix intreadwrite for ppc64le

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Untested due to lack of hardware

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-06-05 03:21:32 +02:00
parent 0d632b35a0
commit d37c620c84
1 changed files with 28 additions and 12 deletions
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40
libavutil/ppc/intreadwrite.h
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@ -26,46 +26,60 @@
#if HAVE_XFORM_ASM
#define AV_RL16 AV_RL16
static av_always_inline uint16_t AV_RL16(const void *p)
#if HAVE_BIGENDIAN
#define AV_RL16 AV_RX16
#define AV_WL16 AV_WX16
#define AV_RL32 AV_RX32
#define AV_WL32 AV_WX32
#else
#define AV_RB16 AV_RX16
#define AV_WB16 AV_WX16
#define AV_RB32 AV_RX32
#define AV_WB32 AV_WX32
#endif
static av_always_inline uint16_t AV_RX16(const void *p)
{
uint16_t v;
__asm__ ("lhbrx %0, %y1" : "=r"(v) : "Z"(*(const uint16_t*)p));
return v;
}
#define AV_WL16 AV_WL16
static av_always_inline void AV_WL16(void *p, uint16_t v)
static av_always_inline void AV_WX16(void *p, uint16_t v)
{
__asm__ ("sthbrx %1, %y0" : "=Z"(*(uint16_t*)p) : "r"(v));
}
#define AV_RL32 AV_RL32
static av_always_inline uint32_t AV_RL32(const void *p)
static av_always_inline uint32_t AV_RX32(const void *p)
{
uint32_t v;
__asm__ ("lwbrx %0, %y1" : "=r"(v) : "Z"(*(const uint32_t*)p));
return v;
}
#define AV_WL32 AV_WL32
static av_always_inline void AV_WL32(void *p, uint32_t v)
static av_always_inline void AV_WX32(void *p, uint32_t v)
{
__asm__ ("stwbrx %1, %y0" : "=Z"(*(uint32_t*)p) : "r"(v));
}
#if HAVE_LDBRX
#define AV_RL64 AV_RL64
static av_always_inline uint64_t AV_RL64(const void *p)
#if HAVE_BIGENDIAN
#define AV_RL64 AV_RX64
#define AV_WL64 AV_WX64
#else
#define AV_RB64 AV_RX64
#define AV_WB64 AV_WX64
#endif
static av_always_inline uint64_t AV_RX64(const void *p)
{
uint64_t v;
__asm__ ("ldbrx %0, %y1" : "=r"(v) : "Z"(*(const uint64_t*)p));
return v;
}
#define AV_WL64 AV_WL64
static av_always_inline void AV_WL64(void *p, uint64_t v)
static av_always_inline void AV_WX64(void *p, uint64_t v)
{
__asm__ ("stdbrx %1, %y0" : "=Z"(*(uint64_t*)p) : "r"(v));
}
@ -102,7 +116,9 @@ static av_always_inline void AV_WL64(void *p, uint64_t v)
* default, so we override it here.
*/
#if HAVE_BIGENDIAN
#define AV_RB64(p) (*(const uint64_t *)(p))
#define AV_WB64(p, v) (*(uint64_t *)(p) = (v))
#endif
#endif /* AVUTIL_PPC_INTREADWRITE_H */