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PPC: add some asm support macros

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Originally committed as revision 24042 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2010-07-04 18:33:40 +00:00
parent 11d788cade
commit fe3d2e4b02
1 changed files with 56 additions and 0 deletions
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56
libavcodec/ppc/asm.S
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@ -20,6 +20,62 @@
#include "config.h" #include "config.h"
#define GLUE(a, b) a ## b
#define JOIN(a, b) GLUE(a, b)
#define X(s) JOIN(EXTERN_ASM, s)
#if ARCH_PPC64
#define PTR .quad
#define lp ld
#define lpx ldx
#define stp std
#define stpu stdu
#define PS 8
#define L(s) JOIN(., s)
.macro extfunc name
.global X(\name)
.section .opd, "aw"
X(\name):
.quad L(\name), .TOC.@tocbase, 0
.previous
.type X(\name), STT_FUNC
L(\name):
.endm
.macro movrel rd, sym
ld \rd, \sym@got(r2)
.endm
#else /* ARCH_PPC64 */
#define PTR .int
#define lp lwz
#define lpx lwzx
#define stp stw
#define stpu stwu
#define PS 4
#define L(s) s
.macro extfunc name
.global X(\name)
.type X(\name), STT_FUNC
X(\name):
\name:
.endm
.macro movrel rd, sym
#if CONFIG_PIC
lwz \rd, \sym@got(r2)
#else
lis \rd, \sym@ha
la \rd, \sym@l(\rd)
#endif
.endm
#endif /* ARCH_PPC64 */
#if HAVE_IBM_ASM #if HAVE_IBM_ASM
.macro DEFINE_REG n .macro DEFINE_REG n