From 7e9830d123a879e6f13c50f2586289b1b37a51f9 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 27 Sep 2012 15:52:21 +0200 Subject: [PATCH] dsputil_mmx: fix reading prior of the src array in sub_hfyu_median_prediction() This should fix the utvideoenc valgrind failure Signed-off-by: Michael Niedermayer --- libavcodec/x86/dsputilenc_mmx.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/libavcodec/x86/dsputilenc_mmx.c b/libavcodec/x86/dsputilenc_mmx.c index 1110f9c377..f6eadc1f98 100644 --- a/libavcodec/x86/dsputilenc_mmx.c +++ b/libavcodec/x86/dsputilenc_mmx.c @@ -850,8 +850,9 @@ static void sub_hfyu_median_prediction_mmx2(uint8_t *dst, const uint8_t *src1, c uint8_t l, lt; __asm__ volatile( + "movq (%1, %0), %%mm0 \n\t" // LT + "psllq $8, %%mm0 \n\t" "1: \n\t" - "movq -1(%1, %0), %%mm0 \n\t" // LT "movq (%1, %0), %%mm1 \n\t" // T "movq -1(%2, %0), %%mm2 \n\t" // L "movq (%2, %0), %%mm3 \n\t" // X @@ -866,6 +867,7 @@ static void sub_hfyu_median_prediction_mmx2(uint8_t *dst, const uint8_t *src1, c "psubb %%mm4, %%mm3 \n\t" // dst - pred "movq %%mm3, (%3, %0) \n\t" "add $8, %0 \n\t" + "movq -1(%1, %0), %%mm0 \n\t" // LT "cmp %4, %0 \n\t" " jb 1b \n\t" : "+r" (i)