From c4f2b6dce306933e6d8fa82022f24a11ea1d29f0 Mon Sep 17 00:00:00 2001
From: David Conrad <lessen42@gmail.com>
Date: Wed, 20 Jan 2010 00:34:10 +0000
Subject: [PATCH] Use constant offsets for memory operands since gcc is unable
to This fixes gcc failing to fit 6 memory locations into 7 registers on
x86-32
Originally committed as revision 21337 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
libavcodec/x86/h264dsp_mmx.c | 20 ++++++++------------
1 file changed, 8 insertions(+), 12 deletions(-)
diff --git a/libavcodec/x86/h264dsp_mmx.c b/libavcodec/x86/h264dsp_mmx.c
index e26881beaf9..724a6e68130 100644
--- a/libavcodec/x86/h264dsp_mmx.c
+++ b/libavcodec/x86/h264dsp_mmx.c
@@ -834,9 +834,9 @@ static void h264_loop_filter_strength_mmx2( int16_t bS[2][4][4], uint8_t nnz[40]
"por %%mm1, %%mm0 \n\t"
"movq %2, %%mm1 \n\t"
- "movq %3, %%mm2 \n\t"
- "psubw %4, %%mm1 \n\t"
- "psubw %5, %%mm2 \n\t"
+ "movq 8+1*%2, %%mm2 \n\t"
+ "psubw %3, %%mm1 \n\t"
+ "psubw 8+1*%3, %%mm2 \n\t"
"packsswb %%mm2, %%mm1 \n\t"
"paddb %%mm5, %%mm1 \n\t"
"pminub %%mm4, %%mm1 \n\t"
@@ -845,9 +845,7 @@ static void h264_loop_filter_strength_mmx2( int16_t bS[2][4][4], uint8_t nnz[40]
::"m"(ref[l][b_idx]),
"m"(ref[l][b_idx+d_idx]),
"m"(mv[l][b_idx][0]),
- "m"(mv[l][b_idx+2][0]),
- "m"(mv[l][b_idx+d_idx][0]),
- "m"(mv[l][b_idx+d_idx+2][0])
+ "m"(mv[l][b_idx+d_idx][0])
);
}
if(bidir==1){
@@ -863,9 +861,9 @@ static void h264_loop_filter_strength_mmx2( int16_t bS[2][4][4], uint8_t nnz[40]
"por %%mm1, %%mm3 \n\t"
"movq %2, %%mm1 \n\t"
- "movq %3, %%mm2 \n\t"
- "psubw %4, %%mm1 \n\t"
- "psubw %5, %%mm2 \n\t"
+ "movq 8+1*%2, %%mm2 \n\t"
+ "psubw %3, %%mm1 \n\t"
+ "psubw 8+1*%3, %%mm2 \n\t"
"packsswb %%mm2, %%mm1 \n\t"
"paddb %%mm5, %%mm1 \n\t"
"pminub %%mm4, %%mm1 \n\t"
@@ -874,9 +872,7 @@ static void h264_loop_filter_strength_mmx2( int16_t bS[2][4][4], uint8_t nnz[40]
::"m"(ref[l][b_idx]),
"m"(ref[1-l][b_idx+d_idx]),
"m"(mv[l][b_idx][0]),
- "m"(mv[l][b_idx+2][0]),
- "m"(mv[1-l][b_idx+d_idx][0]),
- "m"(mv[1-l][b_idx+d_idx+2][0])
+ "m"(mv[1-l][b_idx+d_idx][0])
);
}
__asm__ volatile(
--
GitLab