Module: libav
Branch: release/0.7
Commit: 1cf3ba89711748b340c31fe018a3a72e8e9b75f1

Author:    Sean McGovern <[email protected]>
Committer: Reinhard Tartler <[email protected]>
Date:      Mon Jul 25 18:51:02 2011 -0400

cpu detection: avoid a signed overflow

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

Signed-off-by: Ronald S. Bultje <[email protected]>
(cherry picked from commit 5938e02185430ca711106aaec9b5622dbf588af3)

Signed-off-by: Anton Khirnov <[email protected]>

---

 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 78aeadf..f747e4d 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;

_______________________________________________
libav-commits mailing list
[email protected]
https://lists.libav.org/mailman/listinfo/libav-commits

Reply via email to