From 770c410fbb8e1b87ce8ad7f3d7eddaa55e2b8295 Mon Sep 17 00:00:00 2001 From: Alex Converse Date: Sun, 30 Jan 2011 01:04:41 -0800 Subject: [PATCH] Fix ff_imdct_calc_sse() on gcc-4.6 Gcc 4.6 only preserves the first value when using an array with an "m" constraint. Signed-off-by: Mans Rullgard --- libavcodec/x86/fft_sse.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/libavcodec/x86/fft_sse.c b/libavcodec/x86/fft_sse.c index 9f02816de..0d151bc44 100644 --- a/libavcodec/x86/fft_sse.c +++ b/libavcodec/x86/fft_sse.c @@ -23,7 +23,7 @@ #include "libavcodec/dsputil.h" #include "fft.h" -DECLARE_ALIGNED(16, static const int, m1m1m1m1)[4] = +DECLARE_ASM_CONST(16, int, ff_m1m1m1m1)[4] = { 1 << 31, 1 << 31, 1 << 31, 1 << 31 }; void ff_fft_dispatch_sse(FFTComplex *z, int nbits); @@ -82,7 +82,7 @@ void ff_imdct_calc_sse(FFTContext *s, FFTSample *output, const FFTSample *input) j = -n; k = n-16; __asm__ volatile( - "movaps %4, %%xmm7 \n" + "movaps "MANGLE(ff_m1m1m1m1)", %%xmm7 \n" "1: \n" "movaps (%2,%1), %%xmm0 \n" "movaps (%3,%0), %%xmm1 \n" @@ -95,8 +95,7 @@ void ff_imdct_calc_sse(FFTContext *s, FFTSample *output, const FFTSample *input) "add $16, %0 \n" "jl 1b \n" :"+r"(j), "+r"(k) - :"r"(output+n4), "r"(output+n4*3), - "m"(*m1m1m1m1) + :"r"(output+n4), "r"(output+n4*3) XMM_CLOBBERS_ONLY("%xmm0", "%xmm1", "%xmm7") ); } -- 2.11.0