Move NEG_[US]SR32 macros to mathops.h

Originally committed as revision 21873 to svn://svn.ffmpeg.org/ffmpeg/trunk

3 files changed, 27 insertions, 21 deletions

diff --git a/libavcodec/get_bits.h b/libavcodec/get_bits.h
index 7da9548431..bb40ff4f38 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 e33f3bf303..85eac484e0 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 691a200fd4..010cfb70bb 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 */