[FFmpeg-cvslog] avcodec/x86/cavsdsp: remove incorrect LOCAL_ALIGN tmp

Michael Niedermayer git at videolan.org
Mon Mar 16 15:00:44 CET 2015


ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Mon Mar 16 14:28:11 2015 +0100| [d79f7bf0d63a81ee66026ee92a6946a7303d04bd] | committer: Michael Niedermayer

avcodec/x86/cavsdsp: remove incorrect LOCAL_ALIGN tmp

This is faster and simpler as well

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d79f7bf0d63a81ee66026ee92a6946a7303d04bd
---

 libavcodec/x86/cavsdsp.c |   24 +++++++++++-------------
 1 file changed, 11 insertions(+), 13 deletions(-)

diff --git a/libavcodec/x86/cavsdsp.c b/libavcodec/x86/cavsdsp.c
index f142db6..2ac3bb5 100644
--- a/libavcodec/x86/cavsdsp.c
+++ b/libavcodec/x86/cavsdsp.c
@@ -142,8 +142,6 @@ static void cavs_idct8_add_mmx(uint8_t *dst, int16_t *block, int stride)
     LOCAL_ALIGNED(16, int16_t, b2, [64]);
 
     for(i=0; i<2; i++){
-        LOCAL_ALIGNED(8, uint64_t, tmp);
-
         cavs_idct8_1d(block+4*i, ff_pw_4.a);
 
         __asm__ volatile(
@@ -155,19 +153,19 @@ static void cavs_idct8_add_mmx(uint8_t *dst, int16_t *block, int stride)
             "psraw     $3, %%mm2  \n\t"
             "psraw     $3, %%mm1  \n\t"
             "psraw     $3, %%mm0  \n\t"
-            "movq   %%mm7,    %0   \n\t"
+            "movq   %%mm7,   (%0) \n\t"
             TRANSPOSE4( %%mm0, %%mm2, %%mm4, %%mm6, %%mm7 )
-            "movq   %%mm0,  8(%1)  \n\t"
-            "movq   %%mm6, 24(%1)  \n\t"
-            "movq   %%mm7, 40(%1)  \n\t"
-            "movq   %%mm4, 56(%1)  \n\t"
-            "movq    %0,    %%mm7  \n\t"
+            "movq   %%mm0,  8(%0)  \n\t"
+            "movq   %%mm6, 24(%0)  \n\t"
+            "movq   %%mm7, 40(%0)  \n\t"
+            "movq   %%mm4, 56(%0)  \n\t"
+            "movq    (%0),  %%mm7  \n\t"
             TRANSPOSE4( %%mm7, %%mm5, %%mm3, %%mm1, %%mm0 )
-            "movq   %%mm7,   (%1)  \n\t"
-            "movq   %%mm1, 16(%1)  \n\t"
-            "movq   %%mm0, 32(%1)  \n\t"
-            "movq   %%mm3, 48(%1)  \n\t"
-            : "=m"(tmp)
+            "movq   %%mm7,   (%0)  \n\t"
+            "movq   %%mm1, 16(%0)  \n\t"
+            "movq   %%mm0, 32(%0)  \n\t"
+            "movq   %%mm3, 48(%0)  \n\t"
+            :
             : "r"(b2+32*i)
             : "memory"
         );



More information about the ffmpeg-cvslog mailing list