[FFmpeg-devel] [PATCH] Move NEG_[US]SR32 macros to mathops.h
Mans Rullgard
mans
Wed Feb 17 23:14:23 CET 2010
---
libavcodec/get_bits.h | 21 ---------------------
libavcodec/mathops.h | 8 ++++++++
libavcodec/x86/mathops.h | 19 +++++++++++++++++++
3 files changed, 27 insertions(+), 21 deletions(-)
diff --git a/libavcodec/get_bits.h b/libavcodec/get_bits.h
index 7da9548..bb40ff4 100644
--- a/libavcodec/get_bits.h
+++ b/libavcodec/get_bits.h
@@ -49,27 +49,6 @@
# endif
#endif
-#if ARCH_X86
-// avoid +32 for shift optimization (gcc should do that ...)
-static inline int32_t NEG_SSR32( int32_t a, int8_t s){
- __asm__ ("sarl %1, %0\n\t"
- : "+r" (a)
- : "ic" ((uint8_t)(-s))
- );
- return a;
-}
-static inline uint32_t NEG_USR32(uint32_t a, int8_t s){
- __asm__ ("shrl %1, %0\n\t"
- : "+r" (a)
- : "ic" ((uint8_t)(-s))
- );
- return a;
-}
-#else
-# define NEG_SSR32(a,s) ((( int32_t)(a))>>(32-(s)))
-# define NEG_USR32(a,s) (((uint32_t)(a))>>(32-(s)))
-#endif
-
/* bit input */
/* buffer, buffer_end and size_in_bits must be present and used by every reader */
typedef struct GetBitContext {
diff --git a/libavcodec/mathops.h b/libavcodec/mathops.h
index e33f3bf..85eac48 100644
--- a/libavcodec/mathops.h
+++ b/libavcodec/mathops.h
@@ -131,5 +131,13 @@ if ((y) < (x)) {\
}
#endif
+#ifndef NEG_SSR32
+# define NEG_SSR32(a,s) ((( int32_t)(a))>>(32-(s)))
+#endif
+
+#ifndef NEG_USR32
+# define NEG_USR32(a,s) (((uint32_t)(a))>>(32-(s)))
+#endif
+
#endif /* AVCODEC_MATHOPS_H */
diff --git a/libavcodec/x86/mathops.h b/libavcodec/x86/mathops.h
index 691a200..010cfb7 100644
--- a/libavcodec/x86/mathops.h
+++ b/libavcodec/x86/mathops.h
@@ -78,4 +78,23 @@ __asm__ volatile(\
);
#endif
+// avoid +32 for shift optimization (gcc should do that ...)
+#define NEG_SSR32 NEG_SSR32
+static inline int32_t NEG_SSR32( int32_t a, int8_t s){
+ __asm__ ("sarl %1, %0\n\t"
+ : "+r" (a)
+ : "ic" ((uint8_t)(-s))
+ );
+ return a;
+}
+
+#define NEG_USR32 NEG_USR32
+static inline uint32_t NEG_USR32(uint32_t a, int8_t s){
+ __asm__ ("shrl %1, %0\n\t"
+ : "+r" (a)
+ : "ic" ((uint8_t)(-s))
+ );
+ return a;
+}
+
#endif /* AVCODEC_X86_MATHOPS_H */
--
1.7.0
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