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ffmpeg/libavcodec/x86/dct32_sse.c

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Move SSE optimized 32-point DCT to its own file. Should fix breakage with YASM disabled. Originally committed as revision 24078 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-06 17:48:23 +00:00
/*
* 32 point SSE-optimized DCT transform
* Copyright (c) 2010 Vitor Sessak
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdint.h>
#include "libavutil/x86_cpu.h"
#include "libavutil/mem.h"
#include "libavcodec/dsputil.h"
#include "fft.h"
DECLARE_ALIGNED(16, static const float, b1)[] = {
0.500603, 0.505471, 0.515447, 0.531043,
0.553104, 0.582935, 0.622504, 0.674808,
-1.169440, -0.972568, -0.839350, -0.744536,
-10.190008, -3.407609, -2.057781, -1.484165,
0.502419, 0.522499, 0.566944, 0.646822,
0.788155, 1.060678, 1.722447, 5.101149,
0.509796, 0.601345, 0.899976, 2.562916,
1.000000, 1.000000, 1.306563, 0.541196,
1.000000, 0.707107, 1.000000, -0.707107
};
DECLARE_ALIGNED(16, static const int32_t, smask)[4] = {
0, 0, 0x80000000, 0x80000000
};
/* butterfly operator */
#define BUTTERFLY(a,b,c,tmp) \
"movaps %%" #a ", %%" #tmp " \n\t" \
"subps %%" #b ", %%" #a " \n\t" \
"addps %%" #tmp ", %%" #b " \n\t" \
"mulps " #c ", %%" #a " \n\t"
///* Same as BUTTERFLY when vectors a and b overlap */
#define BUTTERFLY0(val, mask, cos, tmp, shuf) \
"movaps %%" #val ", %%" #tmp " \n\t" \
"shufps " #shuf ", %%" #val ",%%" #val " \n\t" \
"xorps %%" #mask ", %%" #tmp " \n\t" /* flip signs */ \
"addps %%" #tmp ", %%" #val " \n\t" \
"mulps %%" #cos ", %%" #val " \n\t"
#define BUTTERFLY2(val, mask, cos, tmp) BUTTERFLY0(val, mask, cos, tmp, $0x1b)
#define BUTTERFLY3(val, mask, cos, tmp) BUTTERFLY0(val, mask, cos, tmp, $0xb1)
void ff_dct32_float_sse(FFTSample *out, const FFTSample *in)
{
int32_t tmp1 = 0;
__asm__ volatile(
/* pass 1 */
"movaps (%4), %%xmm0 \n\t"
"movaps 112(%4), %%xmm1 \n\t"
"shufps $0x1b, %%xmm1, %%xmm1 \n\t"
BUTTERFLY(xmm0, xmm1, (%2), xmm3)
"movaps 64(%4), %%xmm7 \n\t"
"movaps 48(%4), %%xmm4 \n\t"
"shufps $0x1b, %%xmm4, %%xmm4 \n\t"
BUTTERFLY(xmm7, xmm4, 48(%2), xmm3)
/* pass 2 */
"movaps 64(%2), %%xmm2 \n\t"
BUTTERFLY(xmm1, xmm4, %%xmm2, xmm3)
"movaps %%xmm1, 48(%1) \n\t"
"movaps %%xmm4, (%1) \n\t"
/* pass 1 */
"movaps 16(%4), %%xmm1 \n\t"
"movaps 96(%4), %%xmm6 \n\t"
"shufps $0x1b, %%xmm6, %%xmm6 \n\t"
BUTTERFLY(xmm1, xmm6, 16(%2), xmm3)
"movaps 80(%4), %%xmm4 \n\t"
"movaps 32(%4), %%xmm5 \n\t"
"shufps $0x1b, %%xmm5, %%xmm5 \n\t"
BUTTERFLY(xmm4, xmm5, 32(%2), xmm3)
/* pass 2 */
BUTTERFLY(xmm0, xmm7, %%xmm2, xmm3)
"movaps 80(%2), %%xmm2 \n\t"
BUTTERFLY(xmm6, xmm5, %%xmm2, xmm3)
BUTTERFLY(xmm1, xmm4, %%xmm2, xmm3)
/* pass 3 */
"movaps 96(%2), %%xmm2 \n\t"
"shufps $0x1b, %%xmm1, %%xmm1 \n\t"
BUTTERFLY(xmm0, xmm1, %%xmm2, xmm3)
"movaps %%xmm0, 112(%1) \n\t"
"movaps %%xmm1, 96(%1) \n\t"
"movaps 0(%1), %%xmm0 \n\t"
"shufps $0x1b, %%xmm5, %%xmm5 \n\t"
BUTTERFLY(xmm0, xmm5, %%xmm2, xmm3)
"movaps 48(%1), %%xmm1 \n\t"
"shufps $0x1b, %%xmm6, %%xmm6 \n\t"
BUTTERFLY(xmm1, xmm6, %%xmm2, xmm3)
"movaps %%xmm1, 48(%1) \n\t"
"shufps $0x1b, %%xmm4, %%xmm4 \n\t"
BUTTERFLY(xmm7, xmm4, %%xmm2, xmm3)
/* pass 4 */
"movaps (%3), %%xmm3 \n\t"
"movaps 112(%2), %%xmm2 \n\t"
BUTTERFLY2(xmm5, xmm3, xmm2, xmm1)
BUTTERFLY2(xmm0, xmm3, xmm2, xmm1)
"movaps %%xmm0, 16(%1) \n\t"
BUTTERFLY2(xmm6, xmm3, xmm2, xmm1)
"movaps %%xmm6, 32(%1) \n\t"
"movaps 48(%1), %%xmm0 \n\t"
BUTTERFLY2(xmm0, xmm3, xmm2, xmm1)
"movaps %%xmm0, 48(%1) \n\t"
BUTTERFLY2(xmm4, xmm3, xmm2, xmm1)
BUTTERFLY2(xmm7, xmm3, xmm2, xmm1)
"movaps 96(%1), %%xmm6 \n\t"
BUTTERFLY2(xmm6, xmm3, xmm2, xmm1)
"movaps 112(%1), %%xmm0 \n\t"
BUTTERFLY2(xmm0, xmm3, xmm2, xmm1)
/* pass 5 */
"movaps 128(%2), %%xmm2 \n\t"
"shufps $0xCC, %%xmm3,%%xmm3 \n\t"
BUTTERFLY3(xmm5, xmm3, xmm2, xmm1)
"movaps %%xmm5, (%1) \n\t"
"movaps 16(%1), %%xmm1 \n\t"
BUTTERFLY3(xmm1, xmm3, xmm2, xmm5)
"movaps %%xmm1, 16(%1) \n\t"
BUTTERFLY3(xmm4, xmm3, xmm2, xmm5)
"movaps %%xmm4, 64(%1) \n\t"
BUTTERFLY3(xmm7, xmm3, xmm2, xmm5)
"movaps %%xmm7, 80(%1) \n\t"
"movaps 32(%1), %%xmm5 \n\t"
BUTTERFLY3(xmm5, xmm3, xmm2, xmm7)
"movaps %%xmm5, 32(%1) \n\t"
"movaps 48(%1), %%xmm4 \n\t"
BUTTERFLY3(xmm4, xmm3, xmm2, xmm7)
"movaps %%xmm4, 48(%1) \n\t"
BUTTERFLY3(xmm6, xmm3, xmm2, xmm7)
"movaps %%xmm6, 96(%1) \n\t"
BUTTERFLY3(xmm0, xmm3, xmm2, xmm7)
"movaps %%xmm0, 112(%1) \n\t"
/* pass 6, no SIMD... */
"movss 56(%1), %%xmm3 \n\t"
"movl 4(%1), %0 \n\t"
"addss 60(%1), %%xmm3 \n\t"
"movss 72(%1), %%xmm7 \n\t"
"addss %%xmm3, %%xmm4 \n\t"
"movss 52(%1), %%xmm2 \n\t"
"addss %%xmm3, %%xmm2 \n\t"
"movss 24(%1), %%xmm3 \n\t"
"addss 28(%1), %%xmm3 \n\t"
"addss 76(%1), %%xmm7 \n\t"
"addss %%xmm3, %%xmm1 \n\t"
"addss %%xmm4, %%xmm5 \n\t"
"movss %%xmm1, 16(%1) \n\t"
"movss 20(%1), %%xmm1 \n\t"
"addss %%xmm3, %%xmm1 \n\t"
"movss 40(%1), %%xmm3 \n\t"
"movss %%xmm1, 48(%1) \n\t"
"addss 44(%1), %%xmm3 \n\t"
"movss 20(%1), %%xmm1 \n\t"
"addss %%xmm3, %%xmm4 \n\t"
"addss %%xmm2, %%xmm3 \n\t"
"addss 28(%1), %%xmm1 \n\t"
"movss %%xmm3, 40(%1) \n\t"
"addss 36(%1), %%xmm2 \n\t"
"movss 8(%1), %%xmm3 \n\t"
"movss %%xmm2, 56(%1) \n\t"
"addss 12(%1), %%xmm3 \n\t"
"movss %%xmm5, 8(%1) \n\t"
"movss %%xmm3, 32(%1) \n\t"
"movss 52(%1), %%xmm2 \n\t"
"movss 80(%1), %%xmm3 \n\t"
"movss 120(%1), %%xmm5 \n\t"
"movss %%xmm1, 80(%1) \n\t"
"movss %%xmm4, 24(%1) \n\t"
"addss 124(%1), %%xmm5 \n\t"
"movss 64(%1), %%xmm1 \n\t"
"addss 60(%1), %%xmm2 \n\t"
"addss %%xmm5, %%xmm0 \n\t"
"addss 116(%1), %%xmm5 \n\t"
"movl %0, 64(%1) \n\t"
"addss %%xmm0, %%xmm6 \n\t"
"addss %%xmm6, %%xmm1 \n\t"
"movl 12(%1), %0 \n\t"
"movss %%xmm1, 4(%1) \n\t"
"movss 88(%1), %%xmm1 \n\t"
"movl %0, 96(%1) \n\t"
"addss 92(%1), %%xmm1 \n\t"
"movss 104(%1), %%xmm4 \n\t"
"movl 28(%1), %0 \n\t"
"addss 108(%1), %%xmm4 \n\t"
"addss %%xmm4, %%xmm0 \n\t"
"addss %%xmm1, %%xmm3 \n\t"
"addss 84(%1), %%xmm1 \n\t"
"addss %%xmm5, %%xmm4 \n\t"
"addss %%xmm3, %%xmm6 \n\t"
"addss %%xmm0, %%xmm3 \n\t"
"addss %%xmm7, %%xmm0 \n\t"
"addss 100(%1), %%xmm5 \n\t"
"addss %%xmm4, %%xmm7 \n\t"
"movl %0, 112(%1) \n\t"
"movss %%xmm0, 28(%1) \n\t"
"movss 36(%1), %%xmm0 \n\t"
"movss %%xmm7, 36(%1) \n\t"
"addss %%xmm1, %%xmm4 \n\t"
"movss 116(%1), %%xmm7 \n\t"
"addss %%xmm2, %%xmm0 \n\t"
"addss 124(%1), %%xmm7 \n\t"
"movss %%xmm0, 72(%1) \n\t"
"movss 44(%1), %%xmm0 \n\t"
"movss %%xmm6, 12(%1) \n\t"
"movss %%xmm3, 20(%1) \n\t"
"addss %%xmm0, %%xmm2 \n\t"
"movss %%xmm4, 44(%1) \n\t"
"movss %%xmm2, 88(%1) \n\t"
"addss 60(%1), %%xmm0 \n\t"
"movl 60(%1), %0 \n\t"
"movl %0, 120(%1) \n\t"
"movss %%xmm0, 104(%1) \n\t"
"addss %%xmm5, %%xmm1 \n\t"
"addss 68(%1), %%xmm5 \n\t"
"movss %%xmm1, 52(%1) \n\t"
"movss %%xmm5, 60(%1) \n\t"
"movss 68(%1), %%xmm1 \n\t"
"movss 100(%1), %%xmm5 \n\t"
"addss %%xmm7, %%xmm5 \n\t"
"addss 108(%1), %%xmm7 \n\t"
"addss %%xmm5, %%xmm1 \n\t"
"movss 84(%1), %%xmm2 \n\t"
"addss 92(%1), %%xmm2 \n\t"
"addss %%xmm2, %%xmm5 \n\t"
"movss %%xmm1, 68(%1) \n\t"
"addss %%xmm7, %%xmm2 \n\t"
"movss 76(%1), %%xmm1 \n\t"
"movss %%xmm2, 84(%1) \n\t"
"movss %%xmm5, 76(%1) \n\t"
"movss 108(%1), %%xmm2 \n\t"
"addss %%xmm1, %%xmm7 \n\t"
"addss 124(%1), %%xmm2 \n\t"
"addss %%xmm2, %%xmm1 \n\t"
"addss 92(%1), %%xmm2 \n\t"
"movss %%xmm1, 100(%1) \n\t"
"movss %%xmm2, 108(%1) \n\t"
"movss 92(%1), %%xmm2 \n\t"
"movss %%xmm7, 92(%1) \n\t"
"addss 124(%1), %%xmm2 \n\t"
"movss %%xmm2, 116(%1) \n\t"
:"+&r"(tmp1)
:"r"(out), "r"(b1), "r"(smask), "r"(in)
xmm_clobbers: list xmm registers first in clobber list suncc does not like the leading commas inside the macro, but it has no problem with trailing commas. Originally committed as revision 25615 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-10-31 18:14:48 +00:00
:XMM_CLOBBERS("%xmm0", "%xmm1", "%xmm2", "%xmm3",
"%xmm4", "%xmm5", "%xmm6", "%xmm7",)
"memory"
Move SSE optimized 32-point DCT to its own file. Should fix breakage with YASM disabled. Originally committed as revision 24078 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-06 17:48:23 +00:00
);
}