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x86: h264: Don't use redzone in AVX h264_deblock on Win64

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This fixes crashes in chromium on win64 on machines with AVX
(crashes that apparently aren't triggered by fate).

Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit 311443f6c7)

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Matt Wolenetz
2013-02-15 13:59:40 -08:00
committed by Martin Storsjö
parent 6626a7df53
commit bc9d341be8
1 changed files with 8 additions and 0 deletions
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8
libavcodec/x86/h264_deblock.asm
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@@ -621,7 +621,11 @@ DEBLOCK_LUMA v, 16
%define t5 m11
%define mask0 m12
%define mask1p m13
%if WIN64
%define mask1q [rsp]
%else
%define mask1q [rsp-24]
%endif
%define mpb_0 m14
%define mpb_1 m15
%else
@@ -640,7 +644,11 @@ DEBLOCK_LUMA v, 16
;-----------------------------------------------------------------------------
; void deblock_v_luma_intra( uint8_t *pix, int stride, int alpha, int beta )
;-----------------------------------------------------------------------------
%if WIN64
cglobal deblock_%1_luma_intra_8, 4,6,16,0x10
%else
cglobal deblock_%1_luma_intra_8, 4,6,16,ARCH_X86_64*0x50-0x50
%endif
lea r4, [r1*4]
lea r5, [r1*3] ; 3*stride
dec r2d ; alpha-1