;****************************************************************************** ;* 36 point SSE-optimized IMDCT transform ;* Copyright (c) 2011 Vitor Sessak ;* ;* This file is part of Libav. ;* ;* Libav 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. ;* ;* Libav 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 Libav; if not, write to the Free Software ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ;****************************************************************************** %include "libavutil/x86/x86inc.asm" %include "libavutil/x86/x86util.asm" SECTION_RODATA align 16 ps_mask: dd 0, ~0, ~0, ~0 ps_mask2: dd 0, ~0, 0, ~0 ps_mask3: dd 0, 0, 0, ~0 ps_mask4: dd 0, ~0, 0, 0 ps_val1: dd -0.5, -0.5, -0.8660254038, -0.8660254038 ps_val2: dd 1.0, 1.0, 0.8660254038, 0.8660254038 ps_val3: dd 0.1736481777, 0.1736481777, 0.3420201433, 0.3420201433 ps_val4: dd -0.7660444431, -0.7660444431, 0.8660254038, 0.8660254038 ps_val5: dd -0.9396926208, -0.9396926208, -0.9848077530, -0.9848077530 ps_val6: dd 0.5, 0.5, -0.6427876097, -0.6427876097 ps_val7: dd 1.0, 1.0, -0.6427876097, -0.6427876097 ps_p1p1m1m1: dd 0, 0, 0x80000000, 0x80000000 ps_p1m1p1m1: dd 0, 0x80000000, 0, 0x80000000 ps_cosh: dd 1.0, 0.50190991877167369479, 1.0, 5.73685662283492756461 dd 1.0, 0.51763809020504152469, 1.0, 1.93185165257813657349 dd 1.0, 0.55168895948124587824, -1.0, -1.18310079157624925896 dd 1.0, 0.61038729438072803416, -1.0, -0.87172339781054900991 dd 1.0, 0.70710678118654752439, 0.0, 0.0 ps_cosh_sse3: dd 1.0, -0.50190991877167369479, 1.0, -5.73685662283492756461 dd 1.0, -0.51763809020504152469, 1.0, -1.93185165257813657349 dd 1.0, -0.55168895948124587824, -1.0, 1.18310079157624925896 dd 1.0, -0.61038729438072803416, -1.0, 0.87172339781054900991 dd 1.0, 0.70710678118654752439, 0.0, 0.0 %define SBLIMIT 32 SECTION_TEXT %macro PSHUFD_SSE_AVX 3 shufps %1, %2, %2, %3 %endmacro %macro PSHUFD_SSE2 3 pshufd %1, %2, %3 %endmacro ; input %1={x1,x2,x3,x4}, %2={y1,y2,y3,y4} ; output %3={x3,x4,y1,y2} %macro BUILDINVHIGHLOW_SSE 3 movlhps %3, %2 movhlps %3, %1 %endmacro %macro BUILDINVHIGHLOW_AVX 3 shufps %3, %1, %2, 0x4e %endmacro ; input %1={x1,x2,x3,x4}, %2={y1,y2,y3,y4} ; output %3={x4,y1,y2,y3} %macro ROTLEFT_SSE 3 BUILDINVHIGHLOW %1, %2, %3 shufps %3, %3, %2, 0x99 %endmacro %macro ROTLEFT_SSSE3 3 palignr %3, %2, %1, 12 %endmacro %macro INVERTHL_SSE1 2 movhlps %1, %2 movlhps %1, %2 %endmacro %macro INVERTHL_SSE2 2 PSHUFD %1, %2, 0x4e %endmacro %macro BUTTERF_SSE12 3 INVERTHL %2, %1 xorps %1, [ps_p1p1m1m1] addps %1, %2 mulps %1, [ps_cosh + %3] PSHUFD %2, %1, 0xb1 xorps %1, [ps_p1m1p1m1] addps %1, %2 %endmacro %macro BUTTERF_SSE3 3 INVERTHL %2, %1 xorps %1, %1, [ps_p1p1m1m1] addps %1, %1, %2 mulps %1, %1, [ps_cosh_sse3 + %3] PSHUFD %2, %1, 0xb1 addsubps %1, %1, %2 %endmacro %macro STORE 3 movhlps %2, %1 movss [%3 ], %1 movss [%3 + 8*SBLIMIT], %2 shufps %1, %1, 0xb1 movss [%3 + 4*SBLIMIT], %1 movhlps %2, %1 movss [%3 + 12*SBLIMIT], %2 %endmacro %macro LOADA64 2 movlps %1, [%2] movhps %1, [%2 + 8] %endmacro %macro STOREA64 2 movlps [%1 ], %2 movhps [%1 + 8], %2 %endmacro %macro DEFINE_IMDCT 1 cglobal imdct36_float_%1, 4,4,9, out, buf, in, win ; for(i=17;i>=1;i--) in[i] += in[i-1]; LOADA64 m0, inq LOADA64 m1, inq + 16 ROTLEFT m0, m1, m5 PSHUFD m6, m0, 0x93 andps m6, m6, [ps_mask] addps m0, m0, m6 LOADA64 m2, inq + 32 ROTLEFT m1, m2, m7 addps m1, m1, m5 LOADA64 m3, inq + 48 ROTLEFT m2, m3, m5 xorps m4, m4, m4 movlps m4, [inq+64] BUILDINVHIGHLOW m3, m4, m6 shufps m6, m6, m4, 0xa9 addps m4, m4, m6 addps m2, m2, m7 addps m3, m3, m5 ; for(i=17;i>=3;i-=2) in[i] += in[i-2]; movlhps m5, m5, m0 andps m5, m5, [ps_mask3] BUILDINVHIGHLOW m0, m1, m7 andps m7, m7, [ps_mask2] addps m0, m0, m5 BUILDINVHIGHLOW m1, m2, m6 andps m6, m6, [ps_mask2] addps m1, m1, m7 BUILDINVHIGHLOW m2, m3, m7 andps m7, m7, [ps_mask2] addps m2, m2, m6 movhlps m6, m6, m3 andps m6, m6, [ps_mask4] addps m3, m3, m7 addps m4, m4, m6 ; Populate tmp[] movlhps m6, m1, m5 ; zero out high values subps m6, m6, m4 subps m5, m0, m3 %ifdef ARCH_X86_64 SWAP m5, m8 %endif mulps m7, m2, [ps_val1] %ifdef ARCH_X86_64 mulps m5, m8, [ps_val2] %else mulps m5, m5, [ps_val2] %endif addps m7, m7, m5 mulps m5, m6, [ps_val1] subps m7, m7, m5 %ifdef ARCH_X86_64 SWAP m5, m8 %else subps m5, m0, m3 %endif subps m5, m5, m6 addps m5, m5, m2 shufps m6, m4, m3, 0xe4 subps m6, m6, m2 mulps m6, m6, [ps_val3] addps m4, m4, m1 mulps m4, m4, [ps_val4] shufps m1, m1, m0, 0xe4 addps m1, m1, m2 mulps m1, m1, [ps_val5] mulps m3, m3, [ps_val6] mulps m0, m0, [ps_val7] addps m0, m0, m3 xorps m2, m1, [ps_p1p1m1m1] subps m2, m2, m4 addps m2, m2, m0 addps m3, m4, m0 subps m3, m3, m6 xorps m3, m3, [ps_p1p1m1m1] shufps m0, m0, m4, 0xe4 subps m0, m0, m1 addps m0, m0, m6 BUILDINVHIGHLOW m2, m3, m4 shufps m3, m3, m2, 0x4e ; we have tmp = {SwAPLH(m0), SwAPLH(m7), m3, m4, m5} BUTTERF m0, m1, 0 BUTTERF m7, m2, 16 BUTTERF m3, m6, 32 BUTTERF m4, m1, 48 mulps m5, m5, [ps_cosh + 64] PSHUFD m1, m5, 0xe1 xorps m5, m5, [ps_p1m1p1m1] addps m5, m5, m1 ; permutates: ; m0 0 1 2 3 => 2 6 10 14 m1 ; m7 4 5 6 7 => 3 7 11 15 m2 ; m3 8 9 10 11 => 17 13 9 5 m3 ; m4 12 13 14 15 => 16 12 8 4 m5 ; m5 16 17 xx xx => 0 1 xx xx m0 unpckhps m1, m0, m7 unpckhps m6, m3, m4 movhlps m2, m6, m1 movlhps m1, m1, m6 unpcklps m5, m5, m4 unpcklps m3, m3, m7 movhlps m4, m3, m5 movlhps m5, m5, m3 SWAP m4, m3 ; permutation done PSHUFD m6, m2, 0xb1 movlps m7, [bufq + 64] mulps m6, m6, [winq + 16*4] addps m6, m6, m7 movss [outq + 64*SBLIMIT], m6 shufps m6, m6, m6, 0xb1 movss [outq + 68*SBLIMIT], m6 mulps m6, m3, [winq + 4*4] LOADA64 m4, bufq + 16 addps m6, m6, m4 STORE m6, m7, outq + 16*SBLIMIT shufps m4, m0, m3, 0xb5 mulps m4, m4, [winq + 8*4] LOADA64 m7, bufq + 32 addps m4, m4, m7 STORE m4, m6, outq + 32*SBLIMIT shufps m3, m3, m2, 0xb1 mulps m3, m3, [winq + 12*4] LOADA64 m7, bufq + 48 addps m3, m3, m7 STORE m3, m7, outq + 48*SBLIMIT mulps m2, m2, [winq] LOADA64 m6, bufq addps m2, m2, m6 STORE m2, m7, outq mulps m4, m1, [winq + 20*4] STOREA64 bufq, m4 mulps m3, m5, [winq + 24*4] STOREA64 bufq + 16, m3 shufps m0, m0, m5, 0xb0 mulps m0, m0, [winq + 28*4] STOREA64 bufq + 32, m0 shufps m5, m5, m1, 0xb1 mulps m5, m5, [winq + 32*4] STOREA64 bufq + 48, m5 shufps m1, m1, m1, 0xb1 mulps m1, m1, [winq + 36*4] movlps [bufq + 64], m1 RET %endmacro %define PSHUFD PSHUFD_SSE_AVX %define INVERTHL INVERTHL_SSE1 %define BUTTERF BUTTERF_SSE12 %define BUTTERF0 BUTTERF0_SSE12 %define BUILDINVHIGHLOW BUILDINVHIGHLOW_SSE %define ROTLEFT ROTLEFT_SSE INIT_XMM DEFINE_IMDCT sse %define PSHUFD PSHUFD_SSE2 %define INVERTHL INVERTHL_SSE2 DEFINE_IMDCT sse2 %define BUTTERF BUTTERF_SSE3 %define BUTTERF0 BUTTERF0_SSE3 DEFINE_IMDCT sse3 %define ROTLEFT ROTLEFT_SSSE3 DEFINE_IMDCT ssse3 %define BUILDINVHIGHLOW BUILDINVHIGHLOW_AVX %define PSHUFD PSHUFD_SSE_AVX INIT_AVX DEFINE_IMDCT avx