[SCM] libav/experimental: one bugfix and a few gcc4 bug workaorunds by (Gianluigi Tiesi: mplayer, netfarm it)

siretart at users.alioth.debian.org siretart at users.alioth.debian.org
Sun Jun 30 15:44:18 UTC 2013


The following commit has been merged in the experimental branch:
commit 20ffdcf9c09f6b9cb4265735ea8a323439b66a8f
Author: Michael Niedermayer <michaelni at gmx.at>
Date:   Thu Jun 2 20:54:03 2005 +0000

    one bugfix and a few gcc4 bug workaorunds by (Gianluigi Tiesi: mplayer, netfarm it)
    
    Originally committed as revision 15618 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

diff --git a/postproc/swscale_template.c b/postproc/swscale_template.c
index ee4be21..99f756e 100644
--- a/postproc/swscale_template.c
+++ b/postproc/swscale_template.c
@@ -2129,6 +2129,7 @@ static inline void RENAME(hScale)(int16_t *dst, int dstW, uint8_t *src, int srcW
 	}
 	else
 	{
+		uint8_t *offset = src+filterSize;
 		long counter= -2*dstW;
 //		filter-= counter*filterSize/2;
 		filterPos-= counter/2;
@@ -2171,7 +2172,7 @@ static inline void RENAME(hScale)(int16_t *dst, int dstW, uint8_t *src, int srcW
 			" jnc 1b			\n\t"
 
 			: "+r" (counter), "+r" (filter)
-			: "m" (filterPos), "m" (dst), "m"(src+filterSize),
+			: "m" (filterPos), "m" (dst), "m"(offset),
 			  "m" (src), "r" ((long)filterSize*2)
 			: "%"REG_b, "%"REG_a, "%"REG_c
 		);
@@ -2313,6 +2314,8 @@ FUNNY_Y_CODE
 	else
 	{
 #endif
+	int xInc_shr16 = xInc >> 16;
+	int xInc_mask = xInc & 0xffff;
 	//NO MMX just normal asm ...
 	asm volatile(
 		"xor %%"REG_a", %%"REG_a"	\n\t" // i
@@ -2350,7 +2353,7 @@ FUNNY_Y_CODE
 		" jb 1b				\n\t"
 
 
-		:: "r" (src), "m" (dst), "m" (dstWidth), "m" (xInc>>16), "m" (xInc&0xFFFF)
+		:: "r" (src), "m" (dst), "m" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask)
 		: "%"REG_a, "%"REG_b, "%ecx", "%"REG_D, "%esi"
 		);
 #ifdef HAVE_MMX2
@@ -2509,6 +2512,8 @@ FUNNY_UV_CODE
 	else
 	{
 #endif
+	long xInc_shr16 = (long) (xInc >> 16);
+	int xInc_mask = xInc & 0xffff; 
 	asm volatile(
 		"xor %%"REG_a", %%"REG_a"	\n\t" // i
 		"xor %%"REG_b", %%"REG_b"		\n\t" // xx
@@ -2542,7 +2547,7 @@ FUNNY_UV_CODE
 		"cmp %2, %%"REG_a"		\n\t"
 		" jb 1b				\n\t"
 
-		:: "m" (src1), "m" (dst), "m" ((long)dstWidth), "m" ((long)(xInc>>16)), "m" ((xInc&0xFFFF)),
+		:: "m" (src1), "m" (dst), "m" ((long)dstWidth), "m" (xInc_shr16), "m" (xInc_mask),
 		"r" (src2)
 		: "%"REG_a, "%"REG_b, "%ecx", "%"REG_D, "%esi"
 		);

-- 
Libav/FFmpeg packaging



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