"Fossies" - the Fresh Open Source Software Archive  

Source code changes of the file "libavutil/ppc/intreadwrite.h" between
libav-11.7.tar.gz and libav-11.8.tar.gz

About: libav provides cross-platform tools ("avconv") and libraries to convert, manipulate and stream a wide range of multimedia (audio and video) formats and protocols.

intreadwrite.h  (libav-11.7):intreadwrite.h  (libav-11.8)
skipping to change at line 29 skipping to change at line 29
*/ */
#ifndef AVUTIL_PPC_INTREADWRITE_H #ifndef AVUTIL_PPC_INTREADWRITE_H
#define AVUTIL_PPC_INTREADWRITE_H #define AVUTIL_PPC_INTREADWRITE_H
#include <stdint.h> #include <stdint.h>
#include "config.h" #include "config.h"
#if HAVE_XFORM_ASM #if HAVE_XFORM_ASM
#define AV_RL16 AV_RL16 #if HAVE_BIGENDIAN
static av_always_inline uint16_t AV_RL16(const void *p) #define AV_RL16 av_read_bswap16
#define AV_WL16 av_write_bswap16
#define AV_RL32 av_read_bswap32
#define AV_WL32 av_write_bswap32
#define AV_RL64 av_read_bswap64
#define AV_WL64 av_write_bswap64
#else
#define AV_RB16 av_read_bswap16
#define AV_WB16 av_write_bswap16
#define AV_RB32 av_read_bswap32
#define AV_WB32 av_write_bswap32
#define AV_RB64 av_read_bswap64
#define AV_WB64 av_write_bswap64
#endif
static av_always_inline uint16_t av_read_bswap16(const void *p)
{ {
uint16_t v; uint16_t v;
__asm__ ("lhbrx %0, %y1" : "=r"(v) : "Z"(*(const uint16_t*)p)); __asm__ ("lhbrx %0, %y1" : "=r"(v) : "Z"(*(const uint16_t*)p));
return v; return v;
} }
#define AV_WL16 AV_WL16 static av_always_inline void av_write_bswap16(void *p, uint16_t v)
static av_always_inline void AV_WL16(void *p, uint16_t v)
{ {
__asm__ ("sthbrx %1, %y0" : "=Z"(*(uint16_t*)p) : "r"(v)); __asm__ ("sthbrx %1, %y0" : "=Z"(*(uint16_t*)p) : "r"(v));
} }
#define AV_RL32 AV_RL32 static av_always_inline uint32_t av_read_bswap32(const void *p)
static av_always_inline uint32_t AV_RL32(const void *p)
{ {
uint32_t v; uint32_t v;
__asm__ ("lwbrx %0, %y1" : "=r"(v) : "Z"(*(const uint32_t*)p)); __asm__ ("lwbrx %0, %y1" : "=r"(v) : "Z"(*(const uint32_t*)p));
return v; return v;
} }
#define AV_WL32 AV_WL32 static av_always_inline void av_write_bswap32(void *p, uint32_t v)
static av_always_inline void AV_WL32(void *p, uint32_t v)
{ {
__asm__ ("stwbrx %1, %y0" : "=Z"(*(uint32_t*)p) : "r"(v)); __asm__ ("stwbrx %1, %y0" : "=Z"(*(uint32_t*)p) : "r"(v));
} }
#if HAVE_LDBRX #if HAVE_LDBRX
#define AV_RL64 AV_RL64 static av_always_inline uint64_t av_read_bswap64(const void *p)
static av_always_inline uint64_t AV_RL64(const void *p)
{ {
uint64_t v; uint64_t v;
__asm__ ("ldbrx %0, %y1" : "=r"(v) : "Z"(*(const uint64_t*)p)); __asm__ ("ldbrx %0, %y1" : "=r"(v) : "Z"(*(const uint64_t*)p));
return v; return v;
} }
#define AV_WL64 AV_WL64 static av_always_inline void av_write_bswap64(void *p, uint64_t v)
static av_always_inline void AV_WL64(void *p, uint64_t v)
{ {
__asm__ ("stdbrx %1, %y0" : "=Z"(*(uint64_t*)p) : "r"(v)); __asm__ ("stdbrx %1, %y0" : "=Z"(*(uint64_t*)p) : "r"(v));
} }
#else #else
#define AV_RL64 AV_RL64 static av_always_inline uint64_t av_read_bswap64(const void *p)
static av_always_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;
} }
#define AV_WL64 AV_WL64 static av_always_inline void av_write_bswap64(void *p, uint64_t v)
static av_always_inline void AV_WL64(void *p, uint64_t v)
{ {
union { uint64_t v; uint32_t hl[2]; } vv = { v }; union { uint64_t v; uint32_t hl[2]; } vv = { v };
__asm__ ("stwbrx %2, %y0 \n\t" __asm__ ("stwbrx %2, %y0 \n\t"
"stwbrx %3, %y1 \n\t" "stwbrx %3, %y1 \n\t"
: "=Z"(*(uint32_t*)p), "=Z"(*((uint32_t*)p+1)) : "=Z"(*(uint32_t*)p), "=Z"(*((uint32_t*)p+1))
: "r"(vv.hl[1]), "r"(vv.hl[0])); : "r"(vv.hl[1]), "r"(vv.hl[0]));
} }
#endif /* HAVE_LDBRX */ #endif /* HAVE_LDBRX */
#endif /* HAVE_XFORM_ASM */ #endif /* HAVE_XFORM_ASM */
/*
* GCC fails miserably on the packed struct version which is used by
* default, so we override it here.
*/
#define AV_RB64(p) (*(const uint64_t *)(p))
#define AV_WB64(p, v) (*(uint64_t *)(p) = (v))
#endif /* AVUTIL_PPC_INTREADWRITE_H */ #endif /* AVUTIL_PPC_INTREADWRITE_H */
 End of changes. 9 change blocks. 
24 lines changed or deleted 26 lines changed or added

Home  |  About  |  All  |  Newest  |  Fossies Dox  |  Screenshots  |  Comments  |  Imprint  |  Privacy  |  HTTPS