From 8fb26950ed3c4cd1e175c4439726884926cba022 Mon Sep 17 00:00:00 2001
From: "Ronald S. Bultje" <rsbultje@gmail.com>
Date: Sat, 18 Feb 2012 18:57:22 -0800
Subject: h264: don't use redzone in loopfilter on win64.

Red zone usage is not allowed in the Win64 ABI.
---
 libavcodec/x86/h264_deblock.asm | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/libavcodec/x86/h264_deblock.asm b/libavcodec/x86/h264_deblock.asm
index f264edb65f..0f61922276 100644
--- a/libavcodec/x86/h264_deblock.asm
+++ b/libavcodec/x86/h264_deblock.asm
@@ -824,9 +824,13 @@ cglobal deblock_v_chroma_8_mmxext, 5,6
 ; void ff_deblock_h_chroma( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
 ;-----------------------------------------------------------------------------
 cglobal deblock_h_chroma_8_mmxext, 5,7
-%if ARCH_X86_64
+%if UNIX64
     %define buf0 [rsp-24]
     %define buf1 [rsp-16]
+%elif WIN64
+    sub   rsp, 16
+    %define buf0 [rsp]
+    %define buf1 [rsp+8]
 %else
     %define buf0 r0m
     %define buf1 r2m
@@ -839,6 +843,9 @@ cglobal deblock_h_chroma_8_mmxext, 5,7
     movq  m0, buf0
     movq  m3, buf1
     TRANSPOSE8x4B_STORE PASS8ROWS(t5, r0, r1, t6)
+%if WIN64
+    add   rsp, 16
+%endif
     RET
 
 ALIGN 16
-- 
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