shithub: libvpx

Download patch

ref: aec5487cddeb92095d3260a79383034e09d75c50
parent: 2de858b9fcdc1b8c0db265047c5bf387fe31de3a
author: James Berry <jamesberry@google.com>
date: Thu Apr 7 11:03:49 EDT 2011

Use correct 32 bit comparisons for SAD breakout.

Rax updated to eax to avoid uninitialized memory
usage.

Change-Id: Iedb953f104329ede2a786fc648a47f1be2f3798a

--- a/vp8/encoder/x86/sad_sse2.asm
+++ b/vp8/encoder/x86/sad_sse2.asm
@@ -112,7 +112,7 @@
 x8x16sad_wmt_loop:
 
         movq            rax,        mm7
-        cmp             rax,        arg(4)
+        cmp             eax,        arg(4)
         jg              x8x16sad_wmt_early_exit
 
         movq            mm0,        QWORD PTR [rsi]
@@ -173,7 +173,7 @@
 x8x8sad_wmt_loop:
 
         movq            rax,        mm7
-        cmp             rax,        arg(4)
+        cmp             eax,        arg(4)
         jg              x8x8sad_wmt_early_exit
 
         movq            mm0,        QWORD PTR [rsi]
@@ -282,7 +282,7 @@
 x16x8sad_wmt_loop:
 
         movq            rax,        mm7
-        cmp             rax,        arg(4)
+        cmp             eax,        arg(4)
         jg              x16x8sad_wmt_early_exit
 
         movq            mm0,        QWORD PTR [rsi]
--