diff options
| author | Sean McGovern <gseanmcg@gmail.com> | 2011-07-25 18:51:02 -0400 |
|---|---|---|
| committer | Ronald S. Bultje <rsbultje@gmail.com> | 2011-09-03 08:31:50 -0700 |
| commit | 5938e02185430ca711106aaec9b5622dbf588af3 (patch) | |
| tree | 93d56f2e784a7d860d7cdb5a7fdded34891225f9 | |
| parent | 757b86cd9eb5660dbef2e060db9a9945ff4bfc24 (diff) | |
cpu detection: avoid a signed overflow
1<<31 overflows because 1 is signed, so force it to unsigned.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
| -rw-r--r-- | libavutil/x86/cpu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavutil/x86/cpu.c b/libavutil/x86/cpu.c index 78aeadf0a1..f747e4dba8 100644 --- a/libavutil/x86/cpu.c +++ b/libavutil/x86/cpu.c @@ -113,7 +113,7 @@ int ff_get_cpu_flags_x86(void) if(max_ext_level >= 0x80000001){ cpuid(0x80000001, eax, ebx, ecx, ext_caps); - if (ext_caps & (1<<31)) + if (ext_caps & (1U<<31)) rval |= AV_CPU_FLAG_3DNOW; if (ext_caps & (1<<30)) rval |= AV_CPU_FLAG_3DNOWEXT; |