generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

cpu detection: avoid a signed overflow

Browse Source 
1<<31 overflows because 1 is signed, so force it to unsigned.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
(cherry picked from commit 5938e02185430ca711106aaec9b5622dbf588af3)

Signed-off-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
This commit is contained in:
Sean McGovern 2011-07-25 18:51:02 -04:00 committed by Reinhard Tartler
parent 01b9a6e447
commit 4ccb8f5b7b
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/x86/cpuid.c
View File

@ -98,7 +98,7 @@ int mm_support(void)
if(max_ext_level >= 0x80000001){
cpuid(0x80000001, eax, ebx, ecx, ext_caps);
if (ext_caps & (1<<31))
if (ext_caps & (1U<<31))
rval |= FF_MM_3DNOW;
if (ext_caps & (1<<30))
rval |= FF_MM_3DNOWEXT;