prevent "mb level" get_cabac() calls from being inlined (3% faster decode_mb_cabac() on P3)

Originally committed as revision 6674 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 9 insertions, 1 deletions

diff --git a/libavcodec/cabac.h b/libavcodec/cabac.h
index c922126989..afd1ebf37f 100644
--- a/libavcodec/cabac.h
+++ b/libavcodec/cabac.h
@@ -359,7 +359,7 @@ static inline void renorm_cabac_decoder_once(CABACContext *c){
         refill(c);
 }
 
-static int get_cabac(CABACContext *c, uint8_t * const state){
+static int always_inline get_cabac_inline(CABACContext *c, uint8_t * const state){
     //FIXME gcc generates duplicate load/stores for c->low and c->range
 #ifdef ARCH_X86
     int bit;
@@ -563,6 +563,14 @@ static int get_cabac(CABACContext *c, uint8_t * const state){
     return bit;
 }
 
+static int __attribute((noinline)) get_cabac_noinline(CABACContext *c, uint8_t * const state){
+    return get_cabac_inline(c,state);
+}
+
+static int get_cabac(CABACContext *c, uint8_t * const state){
+    return get_cabac_inline(c,state);
+}
+
 static int get_cabac_bypass(CABACContext *c){
     c->low += c->low;