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Code Issues Releases Activity

avcodec/x86/mpegvideoencdsp: support negative strides in draw_edges_mmx()

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This commit is contained in:
Ramiro Polla 2024-08-21 16:55:49 +02:00
parent 98610fe95f
commit f9074427db
1 changed files with 3 additions and 3 deletions
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6
libavcodec/x86/mpegvideoencdsp_init.c
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@ -121,7 +121,7 @@ static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height,
"movq %%mm1, (%0, %2) \n\t" "movq %%mm1, (%0, %2) \n\t"
"add %1, %0 \n\t" "add %1, %0 \n\t"
"cmp %3, %0 \n\t" "cmp %3, %0 \n\t"
"jb 1b \n\t" "jnz 1b \n\t"
: "+r" (ptr) : "+r" (ptr)
: "r" ((x86_reg) wrap), "r" ((x86_reg) width), : "r" ((x86_reg) wrap), "r" ((x86_reg) width),
"r" (ptr + wrap * height)); "r" (ptr + wrap * height));
@ -142,7 +142,7 @@ static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height,
"movq %%mm1, 8(%0, %2) \n\t" "movq %%mm1, 8(%0, %2) \n\t"
"add %1, %0 \n\t" "add %1, %0 \n\t"
"cmp %3, %0 \n\t" "cmp %3, %0 \n\t"
"jb 1b \n\t" "jnz 1b \n\t"
: "+r"(ptr) : "+r"(ptr)
: "r"((x86_reg)wrap), "r"((x86_reg)width), "r"(ptr + wrap * height) : "r"((x86_reg)wrap), "r"((x86_reg)width), "r"(ptr + wrap * height)
); );
@ -161,7 +161,7 @@ static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height,
"movd %%mm1, (%0, %2) \n\t" "movd %%mm1, (%0, %2) \n\t"
"add %1, %0 \n\t" "add %1, %0 \n\t"
"cmp %3, %0 \n\t" "cmp %3, %0 \n\t"
"jb 1b \n\t" "jnz 1b \n\t"
: "+r" (ptr) : "+r" (ptr)
: "r" ((x86_reg) wrap), "r" ((x86_reg) width), : "r" ((x86_reg) wrap), "r" ((x86_reg) width),
"r" (ptr + wrap * height)); "r" (ptr + wrap * height));