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|
;******************************************************************************
;* 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
costabs: times 4 dd 0.98480773
times 4 dd 0.93969262
times 4 dd 0.86602539
times 4 dd -0.76604444
times 4 dd -0.64278764
times 4 dd 0.50000000
times 4 dd -0.50000000
times 4 dd -0.34202015
times 4 dd -0.17364818
times 4 dd 0.50190992
times 4 dd 0.51763808
times 4 dd 0.55168896
times 4 dd 0.61038726
times 4 dd 0.70710677
times 4 dd 0.87172341
times 4 dd 1.18310082
times 4 dd 1.93185163
times 4 dd 5.73685646
%define SBLIMIT 32
SECTION_TEXT
%macro PSHUFD 3
%if cpuflag(sse2) && notcpuflag(avx)
pshufd %1, %2, %3
%else
shufps %1, %2, %2, %3
%endif
%endmacro
; input %2={x1,x2,x3,x4}, %3={y1,y2,y3,y4}
; output %1={x3,x4,y1,y2}
%macro BUILDINVHIGHLOW 3
%if cpuflag(avx)
shufps %1, %2, %3, 0x4e
%else
movlhps %1, %3
movhlps %1, %2
%endif
%endmacro
; input %2={x1,x2,x3,x4}, %3={y1,y2,y3,y4}
; output %1={x4,y1,y2,y3}
%macro ROTLEFT 3
%if cpuflag(ssse3)
palignr %1, %3, %2, 12
%else
BUILDINVHIGHLOW %1, %2, %3
shufps %1, %1, %3, 0x99
%endif
%endmacro
%macro INVERTHL 2
%if cpuflag(sse2)
PSHUFD %1, %2, 0x4e
%else
movhlps %1, %2
movlhps %1, %2
%endif
%endmacro
%macro BUTTERF 3
INVERTHL %2, %1
xorps %1, [ps_p1p1m1m1]
addps %1, %2
%if cpuflag(sse3)
mulps %1, %1, [ps_cosh_sse3 + %3]
PSHUFD %2, %1, 0xb1
addsubps %1, %1, %2
%else
mulps %1, [ps_cosh + %3]
PSHUFD %2, %1, 0xb1
xorps %1, [ps_p1m1p1m1]
addps %1, %2
%endif
%endmacro
%macro STORE 4
movhlps %2, %1
movss [%3 ], %1
movss [%3 + 2*%4], %2
shufps %1, %1, 0xb1
movss [%3 + %4], %1
movhlps %2, %1
movss [%3 + 3*%4], %2
%endmacro
%macro LOAD 4
movlps %1, [%3 ]
movhps %1, [%3 + %4]
movlps %2, [%3 + 2*%4]
movhps %2, [%3 + 3*%4]
shufps %1, %2, 0x88
%endmacro
%macro LOADA64 2
%if cpuflag(avx)
movu %1, [%2]
%else
movlps %1, [%2]
movhps %1, [%2 + 8]
%endif
%endmacro
%macro DEFINE_IMDCT 0
cglobal imdct36_float, 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 m5, m0, m1
PSHUFD m6, m0, 0x93
andps m6, m6, [ps_mask]
addps m0, m0, m6
LOADA64 m2, inq + 32
ROTLEFT m7, m1, m2
addps m1, m1, m5
LOADA64 m3, inq + 48
ROTLEFT m5, m2, m3
xorps m4, m4, m4
movlps m4, [inq+64]
BUILDINVHIGHLOW m6, m3, m4
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 m7, m0, m1
andps m7, m7, [ps_mask2]
addps m0, m0, m5
BUILDINVHIGHLOW m6, m1, m2
andps m6, m6, [ps_mask2]
addps m1, m1, m7
BUILDINVHIGHLOW m7, m2, m3
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
%if ARCH_X86_64
SWAP m5, m8
%endif
mulps m7, m2, [ps_val1]
%if 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
%if 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 m4, m2, m3
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
movss m4, [bufq + 4*68]
movss m7, [bufq + 4*64]
unpcklps m7, m7, m4
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]
LOAD m4, m7, bufq + 4*16, 16
addps m6, m6, m4
STORE m6, m7, outq + 16*SBLIMIT, 4*SBLIMIT
shufps m4, m0, m3, 0xb5
mulps m4, m4, [winq + 8*4]
LOAD m7, m6, bufq + 4*32, 16
addps m4, m4, m7
STORE m4, m6, outq + 32*SBLIMIT, 4*SBLIMIT
shufps m3, m3, m2, 0xb1
mulps m3, m3, [winq + 12*4]
LOAD m7, m6, bufq + 4*48, 16
addps m3, m3, m7
STORE m3, m7, outq + 48*SBLIMIT, 4*SBLIMIT
mulps m2, m2, [winq]
LOAD m6, m7, bufq, 16
addps m2, m2, m6
STORE m2, m7, outq, 4*SBLIMIT
mulps m4, m1, [winq + 20*4]
STORE m4, m7, bufq, 16
mulps m3, m5, [winq + 24*4]
STORE m3, m7, bufq + 4*16, 16
shufps m0, m0, m5, 0xb0
mulps m0, m0, [winq + 28*4]
STORE m0, m7, bufq + 4*32, 16
shufps m5, m5, m1, 0xb1
mulps m5, m5, [winq + 32*4]
STORE m5, m7, bufq + 4*48, 16
shufps m1, m1, m1, 0xb1
mulps m1, m1, [winq + 36*4]
movss [bufq + 4*64], m1
shufps m1, m1, 0xb1
movss [bufq + 4*68], m1
RET
%endmacro
INIT_XMM sse
DEFINE_IMDCT
INIT_XMM sse2
DEFINE_IMDCT
INIT_XMM sse3
DEFINE_IMDCT
INIT_XMM ssse3
DEFINE_IMDCT
%ifdef HAVE_AVX
INIT_XMM avx
DEFINE_IMDCT
%endif
INIT_XMM sse
%if ARCH_X86_64
%define SPILL SWAP
%define UNSPILL SWAP
%define SPILLED(x) m %+ x
%else
%define SPILLED(x) [tmpq+(x-8)*16 + 32*4]
%macro SPILL 2 ; xmm#, mempos
movaps SPILLED(%2), m%1
%endmacro
%macro UNSPILL 2
movaps m%1, SPILLED(%2)
%endmacro
%endif
%macro DEFINE_FOUR_IMDCT 0
cglobal four_imdct36_float, 5,5,8, out, buf, in, win, tmp
movlps m0, [inq+64]
movhps m0, [inq+64 + 72]
movlps m3, [inq+64 + 2*72]
movhps m3, [inq+64 + 3*72]
shufps m5, m0, m3, 0xdd
shufps m0, m0, m3, 0x88
mova m1, [inq+48]
movu m6, [inq+48 + 72]
mova m7, [inq+48 + 2*72]
movu m3, [inq+48 + 3*72]
TRANSPOSE4x4PS 1, 6, 7, 3, 4
addps m4, m6, m7
mova [tmpq+4*28], m4
addps m7, m3
addps m6, m1
addps m3, m0
addps m0, m5
addps m0, m7
addps m7, m6
mova [tmpq+4*12], m7
SPILL 3, 12
mova m4, [inq+32]
movu m5, [inq+32 + 72]
mova m2, [inq+32 + 2*72]
movu m7, [inq+32 + 3*72]
TRANSPOSE4x4PS 4, 5, 2, 7, 3
addps m1, m7
SPILL 1, 11
addps m3, m5, m2
SPILL 3, 13
addps m7, m2
addps m5, m4
addps m6, m7
mova [tmpq], m6
addps m7, m5
mova [tmpq+4*16], m7
mova m2, [inq+16]
movu m7, [inq+16 + 72]
mova m1, [inq+16 + 2*72]
movu m6, [inq+16 + 3*72]
TRANSPOSE4x4PS 2, 7, 1, 6, 3
addps m4, m6
addps m6, m1
addps m1, m7
addps m7, m2
addps m5, m6
SPILL 5, 15
addps m6, m7
mulps m6, [costabs + 16*2]
mova [tmpq+4*8], m6
SPILL 1, 10
SPILL 0, 14
mova m1, [inq]
movu m6, [inq + 72]
mova m3, [inq + 2*72]
movu m5, [inq + 3*72]
TRANSPOSE4x4PS 1, 6, 3, 5, 0
addps m2, m5
addps m5, m3
addps m7, m5
addps m3, m6
addps m6, m1
SPILL 7, 8
addps m5, m6
SPILL 6, 9
addps m6, m4, SPILLED(12)
subps m6, m2
UNSPILL 7, 11
SPILL 5, 11
subps m5, m1, m7
mulps m7, [costabs + 16*5]
addps m7, m1
mulps m0, m6, [costabs + 16*6]
addps m0, m5
mova [tmpq+4*24], m0
addps m6, m5
mova [tmpq+4*4], m6
addps m6, m4, m2
mulps m6, [costabs + 16*1]
subps m4, SPILLED(12)
mulps m4, [costabs + 16*8]
addps m2, SPILLED(12)
mulps m2, [costabs + 16*3]
subps m5, m7, m6
subps m5, m2
addps m6, m7
addps m6, m4
addps m7, m2
subps m7, m4
mova [tmpq+4*20], m7
mova m2, [tmpq+4*28]
mova [tmpq+4*28], m5
UNSPILL 7, 13
subps m5, m7, m2
mulps m5, [costabs + 16*7]
UNSPILL 1, 10
mulps m1, [costabs + 16*2]
addps m4, m3, m2
mulps m4, [costabs + 16*4]
addps m2, m7
addps m7, m3
mulps m7, [costabs]
subps m3, m2
mulps m3, [costabs + 16*2]
addps m2, m7, m5
addps m2, m1
SPILL 2, 10
addps m7, m4
subps m7, m1
SPILL 7, 12
subps m5, m4
subps m5, m1
UNSPILL 0, 14
SPILL 5, 13
addps m1, m0, SPILLED(15)
subps m1, SPILLED(8)
mova m4, [costabs + 16*5]
mulps m4, [tmpq]
UNSPILL 2, 9
addps m4, m2
subps m2, [tmpq]
mulps m5, m1, [costabs + 16*6]
addps m5, m2
SPILL 5, 9
addps m2, m1
SPILL 2, 14
UNSPILL 5, 15
subps m7, m5, m0
addps m5, SPILLED(8)
mulps m5, [costabs + 16*1]
mulps m7, [costabs + 16*8]
addps m0, SPILLED(8)
mulps m0, [costabs + 16*3]
subps m2, m4, m5
subps m2, m0
SPILL 2, 15
addps m5, m4
addps m5, m7
addps m4, m0
subps m4, m7
SPILL 4, 8
mova m7, [tmpq+4*16]
mova m2, [tmpq+4*12]
addps m0, m7, m2
subps m0, SPILLED(11)
mulps m0, [costabs + 16*2]
addps m4, m7, SPILLED(11)
mulps m4, [costabs]
subps m7, m2
mulps m7, [costabs + 16*7]
addps m2, SPILLED(11)
mulps m2, [costabs + 16*4]
addps m1, m7, [tmpq+4*8]
addps m1, m4
addps m4, m2
subps m4, [tmpq+4*8]
SPILL 4, 11
subps m7, m2
subps m7, [tmpq+4*8]
addps m4, m6, SPILLED(10)
subps m6, SPILLED(10)
addps m2, m5, m1
mulps m2, [costabs + 16*9]
subps m5, m1
mulps m5, [costabs + 16*17]
subps m1, m4, m2
addps m4, m2
mulps m2, m1, [winq+4*36]
addps m2, [bufq+4*36]
mova [outq+1152], m2
mulps m1, [winq+4*32]
addps m1, [bufq+4*32]
mova [outq+1024], m1
mulps m1, m4, [winq+4*116]
mova [bufq+4*36], m1
mulps m4, [winq+4*112]
mova [bufq+4*32], m4
addps m2, m6, m5
subps m6, m5
mulps m1, m6, [winq+4*68]
addps m1, [bufq+4*68]
mova [outq+2176], m1
mulps m6, [winq]
addps m6, [bufq]
mova [outq], m6
mulps m1, m2, [winq+4*148]
mova [bufq+4*68], m1
mulps m2, [winq+4*80]
mova [bufq], m2
addps m5, m3, [tmpq+4*24]
mova m2, [tmpq+4*24]
subps m2, m3
mova m1, SPILLED(9)
subps m1, m0
mulps m1, [costabs + 16*10]
addps m0, SPILLED(9)
mulps m0, [costabs + 16*16]
addps m6, m5, m1
subps m5, m1
mulps m3, m5, [winq+4*40]
addps m3, [bufq+4*40]
mova [outq+1280], m3
mulps m5, [winq+4*28]
addps m5, [bufq+4*28]
mova [outq+896], m5
mulps m1, m6, [winq+4*120]
mova [bufq+4*40], m1
mulps m6, [winq+4*108]
mova [bufq+4*28], m6
addps m1, m2, m0
subps m2, m0
mulps m5, m2, [winq+4*64]
addps m5, [bufq+4*64]
mova [outq+2048], m5
mulps m2, [winq+4*4]
addps m2, [bufq+4*4]
mova [outq+128], m2
mulps m0, m1, [winq+4*144]
mova [bufq+4*64], m0
mulps m1, [winq+4*84]
mova [bufq+4*4], m1
mova m1, [tmpq+4*28]
mova m5, m1
addps m1, SPILLED(13)
subps m5, SPILLED(13)
UNSPILL 3, 15
addps m2, m7, m3
mulps m2, [costabs + 16*11]
subps m3, m7
mulps m3, [costabs + 16*15]
addps m0, m2, m1
subps m1, m2
SWAP m0, m2
mulps m6, m1, [winq+4*44]
addps m6, [bufq+4*44]
mova [outq+1408], m6
mulps m1, [winq+4*24]
addps m1, [bufq+4*24]
mova [outq+768], m1
mulps m0, m2, [winq+4*124]
mova [bufq+4*44], m0
mulps m2, [winq+4*104]
mova [bufq+4*24], m2
addps m0, m5, m3
subps m5, m3
mulps m1, m5, [winq+4*60]
addps m1, [bufq+4*60]
mova [outq+1920], m1
mulps m5, [winq+4*8]
addps m5, [bufq+4*8]
mova [outq+256], m5
mulps m1, m0, [winq+4*140]
mova [bufq+4*60], m1
mulps m0, [winq+4*88]
mova [bufq+4*8], m0
mova m1, [tmpq+4*20]
addps m1, SPILLED(12)
mova m2, [tmpq+4*20]
subps m2, SPILLED(12)
UNSPILL 7, 8
subps m0, m7, SPILLED(11)
addps m7, SPILLED(11)
mulps m4, m7, [costabs + 16*12]
mulps m0, [costabs + 16*14]
addps m5, m1, m4
subps m1, m4
mulps m7, m1, [winq+4*48]
addps m7, [bufq+4*48]
mova [outq+1536], m7
mulps m1, [winq+4*20]
addps m1, [bufq+4*20]
mova [outq+640], m1
mulps m1, m5, [winq+4*128]
mova [bufq+4*48], m1
mulps m5, [winq+4*100]
mova [bufq+4*20], m5
addps m6, m2, m0
subps m2, m0
mulps m1, m2, [winq+4*56]
addps m1, [bufq+4*56]
mova [outq+1792], m1
mulps m2, [winq+4*12]
addps m2, [bufq+4*12]
mova [outq+384], m2
mulps m0, m6, [winq+4*136]
mova [bufq+4*56], m0
mulps m6, [winq+4*92]
mova [bufq+4*12], m6
UNSPILL 0, 14
mulps m0, [costabs + 16*13]
mova m3, [tmpq+4*4]
addps m2, m0, m3
subps m3, m0
mulps m0, m3, [winq+4*52]
addps m0, [bufq+4*52]
mova [outq+1664], m0
mulps m3, [winq+4*16]
addps m3, [bufq+4*16]
mova [outq+512], m3
mulps m0, m2, [winq+4*132]
mova [bufq+4*52], m0
mulps m2, [winq+4*96]
mova [bufq+4*16], m2
RET
%endmacro
INIT_XMM sse
DEFINE_FOUR_IMDCT
%ifdef HAVE_AVX
INIT_XMM avx
DEFINE_FOUR_IMDCT
%endif
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