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work around issues with the old version of Gnu Assembler shipped on 

Intel / OSX 10.4.9
patch by Graham Booker % gbooker A cod3r P com %
Original thread:
Date: May 25, 2007 11:51 PM
Subject: [FFmpeg-devel] r9017 breaks WMA decoding on Intel Macs
The patch:
Date: Jun 3, 2007 4:37 PM
Subject: Re: [FFmpeg-devel] r9017 breaks WMA decoding on Intel Macs

Originally committed as revision 9260 to svn://svn.ffmpeg.org/ffmpeg/trunk
tags/v0.5
Graham Booker Guillaume Poirier 18 years ago
parent
b13cdd333f
commit
ee387b57fd
1 changed files with 8 additions and 8 deletions
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  1. +8
    -8
      libavcodec/i386/fft_sse.c

+ 8
- 8
libavcodec/i386/fft_sse.c View File

@@ -170,12 +170,12 @@ void ff_imdct_calc_sse(MDCTContext *s, FFTSample *output,
asm volatile (
"movaps %0, %%xmm0 \n\t" // xmm0 = r0 X r1 X : in2
"movaps %1, %%xmm3 \n\t" // xmm3 = X i1 X i0: in1
"movaps -16+%0, %%xmm4 \n\t" // xmm4 = r0 X r1 X : in2
"movaps 16+%1, %%xmm7 \n\t" // xmm7 = X i1 X i0: in1
"movaps -16+1*%0, %%xmm4 \n\t" // xmm4 = r0 X r1 X : in2
"movaps 16+1*%1, %%xmm7 \n\t" // xmm7 = X i1 X i0: in1
"movlps %2, %%xmm1 \n\t" // xmm1 = X X R1 R0: tcos
"movlps %3, %%xmm2 \n\t" // xmm2 = X X I1 I0: tsin
"movlps 8+%2, %%xmm5 \n\t" // xmm5 = X X R1 R0: tcos
"movlps 8+%3, %%xmm6 \n\t" // xmm6 = X X I1 I0: tsin
"movlps 8+1*%2, %%xmm5 \n\t" // xmm5 = X X R1 R0: tcos
"movlps 8+1*%3, %%xmm6 \n\t" // xmm6 = X X I1 I0: tsin
"shufps $95, %%xmm0, %%xmm0 \n\t" // xmm0 = r1 r1 r0 r0
"shufps $160,%%xmm3, %%xmm3 \n\t" // xmm3 = i1 i1 i0 i0
"shufps $95, %%xmm4, %%xmm4 \n\t" // xmm4 = r1 r1 r0 r0
@@ -222,13 +222,13 @@ void ff_imdct_calc_sse(MDCTContext *s, FFTSample *output,
for (k = 0; k < n4; k += 4) {
asm (
"movaps %0, %%xmm0 \n\t" // xmm0 = i1 r1 i0 r0: z
"movaps 16+%0, %%xmm4 \n\t" // xmm4 = i1 r1 i0 r0: z
"movaps 16+1*%0, %%xmm4 \n\t" // xmm4 = i1 r1 i0 r0: z
"movlps %1, %%xmm1 \n\t" // xmm1 = X X R1 R0: tcos
"movlps 8+%1, %%xmm5 \n\t" // xmm5 = X X R1 R0: tcos
"movlps 8+1*%1, %%xmm5 \n\t" // xmm5 = X X R1 R0: tcos
"movaps %%xmm0, %%xmm3 \n\t" // xmm3 = i1 r1 i0 r0
"movaps %%xmm4, %%xmm7 \n\t" // xmm7 = i1 r1 i0 r0
"movlps %2, %%xmm2 \n\t" // xmm2 = X X I1 I0: tsin
"movlps 8+%2, %%xmm6 \n\t" // xmm6 = X X I1 I0: tsin
"movlps 8+1*%2, %%xmm6 \n\t" // xmm6 = X X I1 I0: tsin
"shufps $160,%%xmm0, %%xmm0 \n\t" // xmm0 = r1 r1 r0 r0
"shufps $245,%%xmm3, %%xmm3 \n\t" // xmm3 = i1 i1 i0 i0
"shufps $160,%%xmm4, %%xmm4 \n\t" // xmm4 = r1 r1 r0 r0
@@ -248,7 +248,7 @@ void ff_imdct_calc_sse(MDCTContext *s, FFTSample *output,
"addps %%xmm3, %%xmm0 \n\t" // xmm0 = result
"addps %%xmm7, %%xmm4 \n\t" // xmm4 = result
"movaps %%xmm0, %0 \n\t"
"movaps %%xmm4, 16+%0 \n\t"
"movaps %%xmm4, 16+1*%0\n\t"
:"+m"(z[k])
:"m"(tcos[k]), "m"(tsin[k])
#ifndef ARCH_X86_64


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