| ;****************************************************************************** |
| ;* 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 "libavutil/x86/x86util.asm" |
| |
| SECTION_RODATA 32 |
| |
| align 32 |
| ps_cos_vec: dd 0.500603, 0.505471, 0.515447, 0.531043 |
| dd 0.553104, 0.582935, 0.622504, 0.674808 |
| dd -10.190008, -3.407609, -2.057781, -1.484165 |
| dd -1.169440, -0.972568, -0.839350, -0.744536 |
| dd 0.502419, 0.522499, 0.566944, 0.646822 |
| dd 0.788155, 1.060678, 1.722447, 5.101149 |
| dd 0.509796, 0.601345, 0.899976, 2.562916 |
| dd 0.509796, 0.601345, 0.899976, 2.562916 |
| dd 1.000000, 1.000000, 1.306563, 0.541196 |
| dd 1.000000, 1.000000, 1.306563, 0.541196 |
| dd 1.000000, 0.707107, 1.000000, -0.707107 |
| dd 1.000000, 0.707107, 1.000000, -0.707107 |
| dd 0.707107, 0.707107, 0.707107, 0.707107 |
| |
| align 32 |
| ps_p1p1m1m1: dd 0, 0, 0x80000000, 0x80000000, 0, 0, 0x80000000, 0x80000000 |
| |
| %macro BUTTERFLY 4 |
| subps %4, %1, %2 |
| addps %2, %2, %1 |
| mulps %1, %4, %3 |
| %endmacro |
| |
| %macro BUTTERFLY0 5 |
| %if cpuflag(sse2) && notcpuflag(avx) |
| pshufd %4, %1, %5 |
| xorps %1, %2 |
| addps %1, %4 |
| mulps %1, %3 |
| %else |
| shufps %4, %1, %1, %5 |
| xorps %1, %1, %2 |
| addps %4, %4, %1 |
| mulps %1, %4, %3 |
| %endif |
| %endmacro |
| |
| %macro BUTTERFLY2 4 |
| BUTTERFLY0 %1, %2, %3, %4, 0x1b |
| %endmacro |
| |
| %macro BUTTERFLY3 4 |
| BUTTERFLY0 %1, %2, %3, %4, 0xb1 |
| %endmacro |
| |
| %macro BUTTERFLY3V 5 |
| movaps m%5, m%1 |
| addps m%1, m%2 |
| subps m%5, m%2 |
| SWAP %2, %5 |
| mulps m%2, [ps_cos_vec+192] |
| movaps m%5, m%3 |
| addps m%3, m%4 |
| subps m%4, m%5 |
| mulps m%4, [ps_cos_vec+192] |
| %endmacro |
| |
| %macro PASS6_AND_PERMUTE 0 |
| mov tmpd, [outq+4] |
| movss m7, [outq+72] |
| addss m7, [outq+76] |
| movss m3, [outq+56] |
| addss m3, [outq+60] |
| addss m4, m3 |
| movss m2, [outq+52] |
| addss m2, m3 |
| movss m3, [outq+104] |
| addss m3, [outq+108] |
| addss m1, m3 |
| addss m5, m4 |
| movss [outq+ 16], m1 |
| movss m1, [outq+100] |
| addss m1, m3 |
| movss m3, [outq+40] |
| movss [outq+ 48], m1 |
| addss m3, [outq+44] |
| movss m1, [outq+100] |
| addss m4, m3 |
| addss m3, m2 |
| addss m1, [outq+108] |
| movss [outq+ 40], m3 |
| addss m2, [outq+36] |
| movss m3, [outq+8] |
| movss [outq+ 56], m2 |
| addss m3, [outq+12] |
| movss [outq+ 32], m3 |
| movss m3, [outq+80] |
| movss [outq+ 8], m5 |
| movss [outq+ 80], m1 |
| movss m2, [outq+52] |
| movss m5, [outq+120] |
| addss m5, [outq+124] |
| movss m1, [outq+64] |
| addss m2, [outq+60] |
| addss m0, m5 |
| addss m5, [outq+116] |
| mov [outq+64], tmpd |
| addss m6, m0 |
| addss m1, m6 |
| mov tmpd, [outq+12] |
| mov [outq+ 96], tmpd |
| movss [outq+ 4], m1 |
| movss m1, [outq+24] |
| movss [outq+ 24], m4 |
| movss m4, [outq+88] |
| addss m4, [outq+92] |
| addss m3, m4 |
| addss m4, [outq+84] |
| mov tmpd, [outq+108] |
| addss m1, [outq+28] |
| addss m0, m1 |
| addss m1, m5 |
| addss m6, m3 |
| addss m3, m0 |
| addss m0, m7 |
| addss m5, [outq+20] |
| addss m7, m1 |
| movss [outq+ 12], m6 |
| mov [outq+112], tmpd |
| movss m6, [outq+28] |
| movss [outq+ 28], m0 |
| movss m0, [outq+36] |
| movss [outq+ 36], m7 |
| addss m1, m4 |
| movss m7, [outq+116] |
| addss m0, m2 |
| addss m7, [outq+124] |
| movss [outq+ 72], m0 |
| movss m0, [outq+44] |
| addss m2, m0 |
| movss [outq+ 44], m1 |
| movss [outq+ 88], m2 |
| addss m0, [outq+60] |
| mov tmpd, [outq+60] |
| mov [outq+120], tmpd |
| movss [outq+104], m0 |
| addss m4, m5 |
| addss m5, [outq+68] |
| movss [outq+52], m4 |
| movss [outq+60], m5 |
| movss m4, [outq+68] |
| movss m5, [outq+20] |
| movss [outq+ 20], m3 |
| addss m5, m7 |
| addss m7, m6 |
| addss m4, m5 |
| movss m2, [outq+84] |
| addss m2, [outq+92] |
| addss m5, m2 |
| movss [outq+ 68], m4 |
| addss m2, m7 |
| movss m4, [outq+76] |
| movss [outq+ 84], m2 |
| movss [outq+ 76], m5 |
| addss m7, m4 |
| addss m6, [outq+124] |
| addss m4, m6 |
| addss m6, [outq+92] |
| movss [outq+100], m4 |
| movss [outq+108], m6 |
| movss m6, [outq+92] |
| movss [outq+92], m7 |
| addss m6, [outq+124] |
| movss [outq+116], m6 |
| %endmacro |
| |
| INIT_YMM avx |
| SECTION .text |
| %if HAVE_AVX_EXTERNAL |
| ; void ff_dct32_float_avx(FFTSample *out, const FFTSample *in) |
| cglobal dct32_float, 2,3,8, out, in, tmp |
| ; pass 1 |
| vmovaps m4, [inq+0] |
| vinsertf128 m5, m5, [inq+96], 1 |
| vinsertf128 m5, m5, [inq+112], 0 |
| vshufps m5, m5, m5, 0x1b |
| BUTTERFLY m4, m5, [ps_cos_vec], m6 |
| |
| vmovaps m2, [inq+64] |
| vinsertf128 m6, m6, [inq+32], 1 |
| vinsertf128 m6, m6, [inq+48], 0 |
| vshufps m6, m6, m6, 0x1b |
| BUTTERFLY m2, m6, [ps_cos_vec+32], m0 |
| |
| ; pass 2 |
| |
| BUTTERFLY m5, m6, [ps_cos_vec+64], m0 |
| BUTTERFLY m4, m2, [ps_cos_vec+64], m7 |
| |
| |
| ; pass 3 |
| vperm2f128 m3, m6, m4, 0x31 |
| vperm2f128 m1, m6, m4, 0x20 |
| vshufps m3, m3, m3, 0x1b |
| |
| BUTTERFLY m1, m3, [ps_cos_vec+96], m6 |
| |
| |
| vperm2f128 m4, m5, m2, 0x20 |
| vperm2f128 m5, m5, m2, 0x31 |
| vshufps m5, m5, m5, 0x1b |
| |
| BUTTERFLY m4, m5, [ps_cos_vec+96], m6 |
| |
| ; pass 4 |
| vmovaps m6, [ps_p1p1m1m1+0] |
| vmovaps m2, [ps_cos_vec+128] |
| |
| BUTTERFLY2 m5, m6, m2, m7 |
| BUTTERFLY2 m4, m6, m2, m7 |
| BUTTERFLY2 m1, m6, m2, m7 |
| BUTTERFLY2 m3, m6, m2, m7 |
| |
| |
| ; pass 5 |
| vshufps m6, m6, m6, 0xcc |
| vmovaps m2, [ps_cos_vec+160] |
| |
| BUTTERFLY3 m5, m6, m2, m7 |
| BUTTERFLY3 m4, m6, m2, m7 |
| BUTTERFLY3 m1, m6, m2, m7 |
| BUTTERFLY3 m3, m6, m2, m7 |
| |
| vperm2f128 m6, m3, m3, 0x31 |
| vmovaps [outq], m3 |
| |
| vextractf128 [outq+64], m5, 1 |
| vextractf128 [outq+32], m5, 0 |
| |
| vextractf128 [outq+80], m4, 1 |
| vextractf128 [outq+48], m4, 0 |
| |
| vperm2f128 m0, m1, m1, 0x31 |
| vmovaps [outq+96], m1 |
| |
| vzeroupper |
| |
| ; pass 6, no SIMD... |
| INIT_XMM |
| PASS6_AND_PERMUTE |
| RET |
| %endif |
| |
| %if ARCH_X86_64 |
| %define SPILL SWAP |
| %define UNSPILL SWAP |
| |
| %macro PASS5 0 |
| nop ; FIXME code alignment |
| SWAP 5, 8 |
| SWAP 4, 12 |
| SWAP 6, 14 |
| SWAP 7, 13 |
| SWAP 0, 15 |
| PERMUTE 9,10, 10,12, 11,14, 12,9, 13,11, 14,13 |
| TRANSPOSE4x4PS 8, 9, 10, 11, 0 |
| BUTTERFLY3V 8, 9, 10, 11, 0 |
| addps m10, m11 |
| TRANSPOSE4x4PS 12, 13, 14, 15, 0 |
| BUTTERFLY3V 12, 13, 14, 15, 0 |
| addps m14, m15 |
| addps m12, m14 |
| addps m14, m13 |
| addps m13, m15 |
| %endmacro |
| |
| %macro PASS6 0 |
| SWAP 9, 12 |
| SWAP 11, 14 |
| movss [outq+0x00], m8 |
| pshuflw m0, m8, 0xe |
| movss [outq+0x10], m9 |
| pshuflw m1, m9, 0xe |
| movss [outq+0x20], m10 |
| pshuflw m2, m10, 0xe |
| movss [outq+0x30], m11 |
| pshuflw m3, m11, 0xe |
| movss [outq+0x40], m12 |
| pshuflw m4, m12, 0xe |
| movss [outq+0x50], m13 |
| pshuflw m5, m13, 0xe |
| movss [outq+0x60], m14 |
| pshuflw m6, m14, 0xe |
| movaps [outq+0x70], m15 |
| pshuflw m7, m15, 0xe |
| addss m0, m1 |
| addss m1, m2 |
| movss [outq+0x08], m0 |
| addss m2, m3 |
| movss [outq+0x18], m1 |
| addss m3, m4 |
| movss [outq+0x28], m2 |
| addss m4, m5 |
| movss [outq+0x38], m3 |
| addss m5, m6 |
| movss [outq+0x48], m4 |
| addss m6, m7 |
| movss [outq+0x58], m5 |
| movss [outq+0x68], m6 |
| movss [outq+0x78], m7 |
| |
| PERMUTE 1,8, 3,9, 5,10, 7,11, 9,12, 11,13, 13,14, 8,1, 10,3, 12,5, 14,7 |
| movhlps m0, m1 |
| pshufd m1, m1, 3 |
| SWAP 0, 2, 4, 6, 8, 10, 12, 14 |
| SWAP 1, 3, 5, 7, 9, 11, 13, 15 |
| %rep 7 |
| movhlps m0, m1 |
| pshufd m1, m1, 3 |
| addss m15, m1 |
| SWAP 0, 2, 4, 6, 8, 10, 12, 14 |
| SWAP 1, 3, 5, 7, 9, 11, 13, 15 |
| %endrep |
| %assign i 4 |
| %rep 15 |
| addss m0, m1 |
| movss [outq+i], m0 |
| SWAP 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 |
| %assign i i+8 |
| %endrep |
| %endmacro |
| |
| %else ; ARCH_X86_32 |
| %macro SPILL 2 ; xmm#, mempos |
| movaps [outq+(%2-8)*16], m%1 |
| %endmacro |
| %macro UNSPILL 2 |
| movaps m%1, [outq+(%2-8)*16] |
| %endmacro |
| |
| %define PASS6 PASS6_AND_PERMUTE |
| %macro PASS5 0 |
| movaps m2, [ps_cos_vec+160] |
| shufps m3, m3, 0xcc |
| |
| BUTTERFLY3 m5, m3, m2, m1 |
| SPILL 5, 8 |
| |
| UNSPILL 1, 9 |
| BUTTERFLY3 m1, m3, m2, m5 |
| SPILL 1, 14 |
| |
| BUTTERFLY3 m4, m3, m2, m5 |
| SPILL 4, 12 |
| |
| BUTTERFLY3 m7, m3, m2, m5 |
| SPILL 7, 13 |
| |
| UNSPILL 5, 10 |
| BUTTERFLY3 m5, m3, m2, m7 |
| SPILL 5, 10 |
| |
| UNSPILL 4, 11 |
| BUTTERFLY3 m4, m3, m2, m7 |
| SPILL 4, 11 |
| |
| BUTTERFLY3 m6, m3, m2, m7 |
| SPILL 6, 9 |
| |
| BUTTERFLY3 m0, m3, m2, m7 |
| SPILL 0, 15 |
| %endmacro |
| %endif |
| |
| |
| ; void ff_dct32_float_sse(FFTSample *out, const FFTSample *in) |
| %macro DCT32_FUNC 0 |
| cglobal dct32_float, 2, 3, 16, out, in, tmp |
| ; pass 1 |
| |
| movaps m0, [inq+0] |
| LOAD_INV m1, [inq+112] |
| BUTTERFLY m0, m1, [ps_cos_vec], m3 |
| |
| movaps m7, [inq+64] |
| LOAD_INV m4, [inq+48] |
| BUTTERFLY m7, m4, [ps_cos_vec+32], m3 |
| |
| ; pass 2 |
| movaps m2, [ps_cos_vec+64] |
| BUTTERFLY m1, m4, m2, m3 |
| SPILL 1, 11 |
| SPILL 4, 8 |
| |
| ; pass 1 |
| movaps m1, [inq+16] |
| LOAD_INV m6, [inq+96] |
| BUTTERFLY m1, m6, [ps_cos_vec+16], m3 |
| |
| movaps m4, [inq+80] |
| LOAD_INV m5, [inq+32] |
| BUTTERFLY m4, m5, [ps_cos_vec+48], m3 |
| |
| ; pass 2 |
| BUTTERFLY m0, m7, m2, m3 |
| |
| movaps m2, [ps_cos_vec+80] |
| BUTTERFLY m6, m5, m2, m3 |
| |
| BUTTERFLY m1, m4, m2, m3 |
| |
| ; pass 3 |
| movaps m2, [ps_cos_vec+96] |
| shufps m1, m1, 0x1b |
| BUTTERFLY m0, m1, m2, m3 |
| SPILL 0, 15 |
| SPILL 1, 14 |
| |
| UNSPILL 0, 8 |
| shufps m5, m5, 0x1b |
| BUTTERFLY m0, m5, m2, m3 |
| |
| UNSPILL 1, 11 |
| shufps m6, m6, 0x1b |
| BUTTERFLY m1, m6, m2, m3 |
| SPILL 1, 11 |
| |
| shufps m4, m4, 0x1b |
| BUTTERFLY m7, m4, m2, m3 |
| |
| ; pass 4 |
| movaps m3, [ps_p1p1m1m1+0] |
| movaps m2, [ps_cos_vec+128] |
| |
| BUTTERFLY2 m5, m3, m2, m1 |
| |
| BUTTERFLY2 m0, m3, m2, m1 |
| SPILL 0, 9 |
| |
| BUTTERFLY2 m6, m3, m2, m1 |
| SPILL 6, 10 |
| |
| UNSPILL 0, 11 |
| BUTTERFLY2 m0, m3, m2, m1 |
| SPILL 0, 11 |
| |
| BUTTERFLY2 m4, m3, m2, m1 |
| |
| BUTTERFLY2 m7, m3, m2, m1 |
| |
| UNSPILL 6, 14 |
| BUTTERFLY2 m6, m3, m2, m1 |
| |
| UNSPILL 0, 15 |
| BUTTERFLY2 m0, m3, m2, m1 |
| |
| PASS5 |
| PASS6 |
| RET |
| %endmacro |
| |
| %macro LOAD_INV 2 |
| %if cpuflag(sse2) |
| pshufd %1, %2, 0x1b |
| %elif cpuflag(sse) |
| movaps %1, %2 |
| shufps %1, %1, 0x1b |
| %endif |
| %endmacro |
| |
| %if ARCH_X86_32 |
| INIT_XMM sse |
| DCT32_FUNC |
| %endif |
| |
| INIT_XMM sse2 |
| DCT32_FUNC |
