;****************************************************************************** ;* SSE-optimized functions for the DCA decoder ;* Copyright (C) 2012-2014 Christophe Gisquet ;* ;* 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 .text %macro SETZERO 1 %if cpuflag(sse2) && notcpuflag(avx) pxor %1, %1 %else xorps %1, %1, %1 %endif %endmacro %macro SHUF 3 %if cpuflag(avx) mova %3, [%2 - 16] vperm2f128 %1, %3, %3, 1 vshufps %1, %1, %1, q0123 %elif cpuflag(sse2) pshufd %1, [%2], q0123 %else mova %1, [%2] shufps %1, %1, q0123 %endif %endmacro %macro INNER_LOOP 1 ; reading backwards: ptr1 = synth_buf + j + i; ptr2 = synth_buf + j - i ;~ a += window[i + j] * (-synth_buf[15 - i + j]) ;~ b += window[i + j + 16] * (synth_buf[i + j]) SHUF m5, ptr2 + j + (15 - 3) * 4, m6 mova m6, [ptr1 + j] %if ARCH_X86_64 SHUF m11, ptr2 + j + (15 - 3) * 4 - mmsize, m12 mova m12, [ptr1 + j + mmsize] %endif %if cpuflag(fma3) fmaddps m2, m6, [win + %1 + j + 16 * 4], m2 fnmaddps m1, m5, [win + %1 + j], m1 %if ARCH_X86_64 fmaddps m8, m12, [win + %1 + j + mmsize + 16 * 4], m8 fnmaddps m7, m11, [win + %1 + j + mmsize], m7 %endif %else ; non-FMA mulps m6, m6, [win + %1 + j + 16 * 4] mulps m5, m5, [win + %1 + j] %if ARCH_X86_64 mulps m12, m12, [win + %1 + j + mmsize + 16 * 4] mulps m11, m11, [win + %1 + j + mmsize] %endif addps m2, m2, m6 subps m1, m1, m5 %if ARCH_X86_64 addps m8, m8, m12 subps m7, m7, m11 %endif %endif ; cpuflag(fma3) ;~ c += window[i + j + 32] * (synth_buf[16 + i + j]) ;~ d += window[i + j + 48] * (synth_buf[31 - i + j]) SHUF m6, ptr2 + j + (31 - 3) * 4, m5 mova m5, [ptr1 + j + 16 * 4] %if ARCH_X86_64 SHUF m12, ptr2 + j + (31 - 3) * 4 - mmsize, m11 mova m11, [ptr1 + j + mmsize + 16 * 4] %endif %if cpuflag(fma3) fmaddps m3, m5, [win + %1 + j + 32 * 4], m3 fmaddps m4, m6, [win + %1 + j + 48 * 4], m4 %if ARCH_X86_64 fmaddps m9, m11, [win + %1 + j + mmsize + 32 * 4], m9 fmaddps m10, m12, [win + %1 + j + mmsize + 48 * 4], m10 %endif %else ; non-FMA mulps m5, m5, [win + %1 + j + 32 * 4] mulps m6, m6, [win + %1 + j + 48 * 4] %if ARCH_X86_64 mulps m11, m11, [win + %1 + j + mmsize + 32 * 4] mulps m12, m12, [win + %1 + j + mmsize + 48 * 4] %endif addps m3, m3, m5 addps m4, m4, m6 %if ARCH_X86_64 addps m9, m9, m11 addps m10, m10, m12 %endif %endif ; cpuflag(fma3) sub j, 64 * 4 %endmacro ; void ff_synth_filter_inner_(float *synth_buf, float synth_buf2[32], ; const float window[512], float out[32], ; intptr_t offset, float scale) %macro SYNTH_FILTER 0 cglobal synth_filter_inner, 0, 6 + 4 * ARCH_X86_64, 7 + 6 * ARCH_X86_64, \ synth_buf, synth_buf2, window, out, off, scale %define scale m0 %if ARCH_X86_32 || WIN64 %if cpuflag(sse2) && notcpuflag(avx) movd scale, scalem SPLATD m0 %else VBROADCASTSS m0, scalem %endif ; Make sure offset is in a register and not on the stack %define OFFQ r4q %else SPLATD xmm0 %if cpuflag(avx) vinsertf128 m0, m0, xmm0, 1 %endif %define OFFQ offq %endif ; prepare inner counter limit 1 mov r5q, 480 sub r5q, offmp and r5q, -64 shl r5q, 2 %if ARCH_X86_32 || notcpuflag(avx) mov OFFQ, r5q %define i r5q mov i, 16 * 4 - (ARCH_X86_64 + 1) * mmsize ; main loop counter %else %define i 0 %define OFFQ r5q %endif %define buf2 synth_buf2q %if ARCH_X86_32 mov buf2, synth_buf2mp %endif .mainloop: ; m1 = a m2 = b m3 = c m4 = d SETZERO m3 SETZERO m4 mova m1, [buf2 + i] mova m2, [buf2 + i + 16 * 4] %if ARCH_X86_32 %define ptr1 r0q %define ptr2 r1q %define win r2q %define j r3q mov win, windowm mov ptr1, synth_bufm %if ARCH_X86_32 || notcpuflag(avx) add win, i add ptr1, i %endif %else ; ARCH_X86_64 %define ptr1 r6q %define ptr2 r7q ; must be loaded %define win r8q %define j r9q SETZERO m9 SETZERO m10 mova m7, [buf2 + i + mmsize] mova m8, [buf2 + i + mmsize + 16 * 4] lea win, [windowq + i] lea ptr1, [synth_bufq + i] %endif mov ptr2, synth_bufmp ; prepare the inner loop counter mov j, OFFQ %if ARCH_X86_32 || notcpuflag(avx) sub ptr2, i %endif .loop1: INNER_LOOP 0 jge .loop1 mov j, 448 * 4 sub j, OFFQ jz .end sub ptr1, j sub ptr2, j add win, OFFQ ; now at j-64, so define OFFSET sub j, 64 * 4 .loop2: INNER_LOOP 64 * 4 jge .loop2 .end: %if ARCH_X86_32 mov buf2, synth_buf2m ; needed for next iteration anyway mov outq, outmp ; j, which will be set again during it %endif ;~ out[i] = a * scale; ;~ out[i + 16] = b * scale; mulps m1, m1, scale mulps m2, m2, scale %if ARCH_X86_64 mulps m7, m7, scale mulps m8, m8, scale %endif ;~ synth_buf2[i] = c; ;~ synth_buf2[i + 16] = d; mova [buf2 + i + 0 * 4], m3 mova [buf2 + i + 16 * 4], m4 %if ARCH_X86_64 mova [buf2 + i + 0 * 4 + mmsize], m9 mova [buf2 + i + 16 * 4 + mmsize], m10 %endif ;~ out[i] = a; ;~ out[i + 16] = a; mova [outq + i + 0 * 4], m1 mova [outq + i + 16 * 4], m2 %if ARCH_X86_64 mova [outq + i + 0 * 4 + mmsize], m7 mova [outq + i + 16 * 4 + mmsize], m8 %endif %if ARCH_X86_32 || notcpuflag(avx) sub i, (ARCH_X86_64 + 1) * mmsize jge .mainloop %endif RET %endmacro %if ARCH_X86_32 INIT_XMM sse SYNTH_FILTER %endif INIT_XMM sse2 SYNTH_FILTER INIT_YMM avx SYNTH_FILTER INIT_YMM fma3 SYNTH_FILTER