moving lps state transition code a little up in the branched asm code (1% faster on P3)

Originally committed as revision 6658 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago · 2b5269b51c
parent b99f3cabed
commit 2b5269b51c
1 changed files with 2 additions and 2 deletions
--- a/libavcodec/cabac.h
+++ b/libavcodec/cabac.h
@ -405,11 +405,11 @@ static int get_cabac(CABACContext *c, uint8_t * const state){
        "subl %%edx, %%ebx                      \n\t"
        "movl %%esi, %%edx                      \n\t"
        "shr $19, %%esi                         \n\t"
+        "movzbl "MANGLE(ff_h264_lps_state)"(%%eax), %%ecx   \n\t"
+        "movb %%cl, (%1)                        \n\t"
        "movzbl " MANGLE(ff_h264_norm_shift) "(%%esi), %%ecx   \n\t"
        "shll %%cl, %%ebx                       \n\t"
        "shll %%cl, %%edx                       \n\t"
-        "movzbl "MANGLE(ff_h264_lps_state)"(%%eax), %%ecx   \n\t"
-        "movb %%cl, (%1)                        \n\t"
        "addl $1, %%eax                         \n\t"
        "test %%bx, %%bx                        \n\t"
        " jnz 2f                                \n\t"