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authorMichael Niedermayer <michaelni@gmx.at>2012-10-16 03:09:28 +0200
committerMichael Niedermayer <michaelni@gmx.at>2012-10-16 03:09:28 +0200
commit9c669672c7fd45ef1cad782ab551be438ceac6cd (patch)
treeab3ac6d93147af441ffd8b892992e3da9fea016b
parent3896cd11a107f241f06b06a336322aef2f372fdd (diff)
downloadffmpeg-9c669672c7fd45ef1cad782ab551be438ceac6cd.tar.gz
x86/motion_est: widen before multiply.
This fixes CID700558, CID700557, CID700556 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--libavcodec/x86/motion_est.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/libavcodec/x86/motion_est.c b/libavcodec/x86/motion_est.c
index b77d4027ae..57f5df0d7b 100644
--- a/libavcodec/x86/motion_est.c
+++ b/libavcodec/x86/motion_est.c
@@ -40,7 +40,7 @@ DECLARE_ASM_CONST(8, uint64_t, bone)= 0x0101010101010101LL;
static inline void sad8_1_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h)
{
- x86_reg len= -(stride*h);
+ x86_reg len= -(x86_reg)stride*h;
__asm__ volatile(
".p2align 4 \n\t"
"1: \n\t"
@@ -199,7 +199,7 @@ static inline void sad8_4_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h)
static inline void sad8_2_mmx(uint8_t *blk1a, uint8_t *blk1b, uint8_t *blk2, int stride, int h)
{
- x86_reg len= -(stride*h);
+ x86_reg len= -(x86_reg)stride*h;
__asm__ volatile(
".p2align 4 \n\t"
"1: \n\t"
@@ -237,7 +237,7 @@ static inline void sad8_2_mmx(uint8_t *blk1a, uint8_t *blk1b, uint8_t *blk2, int
static inline void sad8_4_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h)
{
- x86_reg len= -(stride*h);
+ x86_reg len= -(x86_reg)stride*h;
__asm__ volatile(
"movq (%1, %%"REG_a"), %%mm0 \n\t"
"movq 1(%1, %%"REG_a"), %%mm2 \n\t"