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x86/motion_est: widen before multiply. 

This fixes CID700558, CID700557, CID700556
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-10-16 03:09:28 +02:00
parent 3896cd11a1
commit 9c669672c7
1 changed files with 3 additions and 3 deletions
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6
libavcodec/x86/motion_est.c
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@ -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"