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simple_idct_mmx.asm
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simple_idct_mmx.asm
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;/*
; * Simple IDCT MMX
; *
; * Copyright (c) 2001, 2002 Michael Niedermayer <[email protected]>
; *
; * This library 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 of the License, or (at your option) any later version.
; *
; * This library 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 this library; if not, write to the Free Software
; * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
; *
; * Ported to nasm by Peter Ross <[email protected]>
; */
bits 32
;===========================================================================
; data
;===========================================================================
%ifdef FORMAT_COFF
section .data
align 8
%else
section .data data align=8
%endif
wm1010 dw 0, 0xffff, 0, 0xffff
d40000 dd 0x40000, 0
%define ROW_SHIFT 11
%define COL_SHIFT 20
%define C0 23170 ;cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 = 23170.475006
%define C1 22725 ;cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 = 22725.260826
%define C2 21407 ;cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 = 21406.727617
%define C3 19266 ;cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 = 19265.545870
%define C4 16383 ;cos(i*M_PI/16)*sqrt(2)*(1<<14) - 0.5 = 16384.000000
%define C5 12873 ;cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 = 12872.826198
%define C6 8867 ;cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 = 8866.956905
%define C7 4520 ;cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 = 4520.335430
coeffs
dw 1<<(ROW_SHIFT-1), 0, 1<<(ROW_SHIFT-1), 0, ; 0
dw 1<<(ROW_SHIFT-1), 1, 1<<(ROW_SHIFT-1), 0, ; 8
dw C4, C4, C4, C4 ; 16
dw C4, -C4, C4, -C4 ; 24
dw C2, C6, C2, C6 ; 32
dw C6, -C2, C6, -C2 ; 40
dw C1, C3, C1, C3 ; 48
dw C5, C7, C5, C7 ; 56
dw C3, -C7, C3, -C7 ; 64
dw -C1, -C5, -C1, -C5 ; 72
dw C5, -C1, C5, -C1 ; 80
dw C7, C3, C7, C3 ; 88
dw C7, -C5, C7, -C5 ; 96
dw C3, -C1, C3, -C1 ; 104
;===========================================================================
; text
;===========================================================================
section .text
%macro DC_COND_IDCT 8
%define src0 %1
%define src4 %2
%define src1 %3
%define src5 %4
%define dst %5
%define rounder_op %6
%define rounder_arg %7
%define shift %8
movq mm0,[src0] ; R4 R0 r4 r0
movq mm1,[src4] ; R6 R2 r6 r2
movq mm2,[src1] ; R3 R1 r3 r1
movq mm3,[src5] ; R7 R5 r7 r5
movq mm4,[wm1010]
pand mm4,mm0
por mm4,mm1
por mm4,mm2
por mm4,mm3
packssdw mm4,mm4
movd eax,mm4
or eax,eax
jz near .skip1
movq mm4,[coeffs+16] ; C4 C4 C4 C4
pmaddwd mm4,mm0 ; C4R4+C4R0 C4r4+C4r0
movq mm5,[coeffs+24] ; -C4 C4 -C4 C4
pmaddwd mm0,mm5 ; -C4R4+C4R0 -C4r4+C4r0
movq mm5,[coeffs+32] ; C6 C2 C6 C2
pmaddwd mm5,mm1 ; C6R6+C2R2 C6r6+C2r2
movq mm6,[coeffs+40] ; -C2 C6 -C2 C6
pmaddwd mm1,mm6 ; -C2R6+C6R2 -C2r6+C6r2
movq mm7,[coeffs+48] ; C3 C1 C3 C1
pmaddwd mm7,mm2 ; C3R3+C1R1 C3r3+C1r1
rounder_op mm4, rounder_arg
movq mm6,mm4 ; C4R4+C4R0 C4r4+C4r0
paddd mm4,mm5 ; A0 a0
psubd mm6,mm5 ; A3 a3
movq mm5,[coeffs+56] ; C7 C5 C7 C5
pmaddwd mm5,mm3 ; C7R7+C5R5 C7r7+C5r5
rounder_op mm0, rounder_arg
paddd mm1,mm0 ; A1 a1
paddd mm0,mm0
psubd mm0,mm1 ; A2 a2
pmaddwd mm2,[coeffs+64] ; -C7R3+C3R1 -C7r3+C3r1
paddd mm7,mm5 ; B0 b0
movq mm5,[coeffs+72] ; -C5 -C1 -C5 -C1
pmaddwd mm5,mm3 ; -C5R7-C1R5 -C5r7-C1r5
paddd mm7,mm4 ; A0+B0 a0+b0
paddd mm4,mm4 ; 2A0 2a0
psubd mm4,mm7 ; A0-B0 a0-b0
paddd mm5,mm2 ; B1 b1
psrad mm7,shift
psrad mm4,shift
movq mm2,mm1 ; A1 a1
paddd mm1,mm5 ; A1+B1 a1+b1
psubd mm2,mm5 ; A1-B1 a1-b1
psrad mm1,shift
psrad mm2,shift
packssdw mm7,mm1 ; A1+B1 a1+b1 A0+B0 a0+b0
packssdw mm2,mm4 ; A0-B0 a0-b0 A1-B1 a1-b1
movq [dst],mm7
movq mm1,[src1] ; R3 R1 r3 r1
movq mm4,[coeffs+80] ;-C1 C5 -C1 C5
movq [dst + 24],mm2
pmaddwd mm4,mm1 ; -C1R3+C5R1 -C1r3+C5r1
movq mm7,[coeffs+88] ; C3 C7 C3 C7
pmaddwd mm1,[coeffs+96] ; -C5R3+C7R1 -C5r3+C7r1
pmaddwd mm7,mm3 ; C3R7+C7R5 C3r7+C7r5
movq mm2,mm0 ; A2 a2
pmaddwd mm3,[coeffs+104] ; -C1R7+C3R5 -C1r7+C3r5
paddd mm4,mm7 ; B2 b2
paddd mm2,mm4 ; A2+B2 a2+b2
psubd mm0,mm4 ; a2-B2 a2-b2
psrad mm2,shift
psrad mm0,shift
movq mm4,mm6 ; A3 a3
paddd mm3,mm1 ; B3 b3
paddd mm6,mm3 ; A3+B3 a3+b3
psubd mm4,mm3 ; a3-B3 a3-b3
psrad mm6,shift
packssdw mm2,mm6 ; A3+B3 a3+b3 A2+B2 a2+b2
movq [ dst + 8],mm2
psrad mm4,shift
packssdw mm4,mm0 ; A2-B2 a2-b2 A3-B3 a3-b3
movq [ dst + 16],mm4
jmp short .skip2
.skip1
pslld mm0,16
paddd mm0,[d40000]
psrad mm0,13
packssdw mm0,mm0
movq [ dst ],mm0
movq [ dst + 8],mm0
movq [ dst + 16],mm0
movq [ dst + 24],mm0
.skip2
%undef src0
%undef src4
%undef src1
%undef src5
%undef dst
%undef rounder_op
%undef rounder_arg
%undef shift
%endmacro
%macro Z_COND_IDCT 9
%define src0 %1
%define src4 %2
%define src1 %3
%define src5 %4
%define dst %5
%define rounder_op %6
%define rounder_arg %7
%define shift %8
%define bt %9
movq mm0,[src0] ; R4 R0 r4 r0
movq mm1,[src4] ; R6 R2 r6 r2
movq mm2,[src1] ; R3 R1 r3 r1
movq mm3,[src5] ; R7 R5 r7 r5
movq mm4,mm0
por mm4,mm1
por mm4,mm2
por mm4,mm3
packssdw mm4,mm4
movd eax,mm4
or eax,eax
jz near bt
movq mm4,[coeffs+16] ; C4 C4 C4 C4
pmaddwd mm4,mm0 ; C4R4+C4R0 C4r4+C4r0
movq mm5,[coeffs+24] ; -C4 C4 -C4 C4
pmaddwd mm0,mm5 ; -C4R4+C4R0 -C4r4+C4r0
movq mm5,[coeffs+32] ; C6 C2 C6 C2
pmaddwd mm5,mm1 ; C6R6+C2R2 C6r6+C2r2
movq mm6,[coeffs+40] ; -C2 C6 -C2 C6
pmaddwd mm1,mm6 ; -C2R6+C6R2 -C2r6+C6r2
movq mm7,[coeffs+48] ; C3 C1 C3 C1
pmaddwd mm7,mm2 ; C3R3+C1R1 C3r3+C1r1
rounder_op mm4, rounder_arg
movq mm6,mm4 ; C4R4+C4R0 C4r4+C4r0
paddd mm4,mm5 ; A0 a0
psubd mm6,mm5 ; A3 a3
movq mm5,[coeffs+56] ; C7 C5 C7 C5
pmaddwd mm5,mm3 ; C7R7+C5R5 C7r7+C5r5
rounder_op mm0, rounder_arg
paddd mm1,mm0 ; A1 a1
paddd mm0,mm0
psubd mm0,mm1 ; A2 a2
pmaddwd mm2,[coeffs+64] ; -C7R3+C3R1 -C7r3+C3r1
paddd mm7,mm5 ; B0 b0
movq mm5,[coeffs+72] ; -C5 -C1 -C5 -C1
pmaddwd mm5,mm3 ; -C5R7-C1R5 -C5r7-C1r5
paddd mm7,mm4 ; A0+B0 a0+b0
paddd mm4,mm4 ; 2A0 2a0
psubd mm4,mm7 ; A0-B0 a0-b0
paddd mm5,mm2 ; B1 b1
psrad mm7,shift
psrad mm4,shift
movq mm2,mm1 ; A1 a1
paddd mm1,mm5 ; A1+B1 a1+b1
psubd mm2,mm5 ; A1-B1 a1-b1
psrad mm1,shift
psrad mm2,shift
packssdw mm7,mm1 ; A1+B1 a1+b1 A0+B0 a0+b0
packssdw mm2,mm4 ; A0-B0 a0-b0 A1-B1 a1-b1
movq [ dst ],mm7
movq mm1,[src1] ; R3 R1 r3 r1
movq mm4,[coeffs+80] ; -C1 C5 -C1 C5
movq [ dst + 24 ],mm2
pmaddwd mm4,mm1 ; -C1R3+C5R1 -C1r3+C5r1
movq mm7,[coeffs+88] ; C3 C7 C3 C7
pmaddwd mm1,[coeffs+96] ; -C5R3+C7R1 -C5r3+C7r1
pmaddwd mm7,mm3 ; C3R7+C7R5 C3r7+C7r5
movq mm2,mm0 ; A2 a2
pmaddwd mm3,[coeffs+104] ; -C1R7+C3R5 -C1r7+C3r5
paddd mm4,mm7 ; B2 b2
paddd mm2,mm4 ; A2+B2 a2+b2
psubd mm0,mm4 ; a2-B2 a2-b2
psrad mm2,shift
psrad mm0,shift
movq mm4,mm6 ; A3 a3
paddd mm3,mm1 ; B3 b3
paddd mm6,mm3 ; A3+B3 a3+b3
psubd mm4,mm3 ; a3-B3 a3-b3
psrad mm6,shift
packssdw mm2,mm6 ; A3+B3 a3+b3 A2+B2 a2+b2
movq [ dst + 8],mm2
psrad mm4,shift
packssdw mm4,mm0 ; A2-B2 a2-b2 A3-B3 a3-b3
movq [dst + 16],mm4
%undef src0
%undef src4
%undef src1
%undef src5
%undef dst
%undef rounder_op
%undef rounder_arg
%undef shift
%undef bt
%endmacro
%macro IDCT0 8
%define src0 %1
%define src4 %2
%define src1 %3
%define src5 %4
%define dst %5
%define rounder_op %6
%define rounder_arg %7
%define shift %8
movq mm0,[src0] ; R4 R0 r4 r0
movq mm1,[src4] ; R6 R2 r6 r2
movq mm2,[src1] ; R3 R1 r3 r1
movq mm3,[src5] ; R7 R5 r7 r5
movq mm4,[coeffs+16] ; C4 C4 C4 C4
pmaddwd mm4,mm0 ; C4R4+C4R0 C4r4+C4r0
movq mm5,[coeffs+24] ; -C4 C4 -C4 C4
pmaddwd mm0,mm5 ; -C4R4+C4R0 -C4r4+C4r0
movq mm5,[coeffs+32] ; C6 C2 C6 C2
pmaddwd mm5,mm1 ; C6R6+C2R2 C6r6+C2r2
movq mm6,[coeffs+40] ; -C2 C6 -C2 C6
pmaddwd mm1,mm6 ; -C2R6+C6R2 -C2r6+C6r2
; rounder_op mm4, rounder_arg
movq mm6,mm4 ; C4R4+C4R0 C4r4+C4r0
movq mm7,[coeffs+48] ; C3 C1 C3 C1
; rounder_op mm0, rounder_arg
pmaddwd mm7,mm2 ; C3R3+C1R1 C3r3+C1r1
paddd mm4,mm5 ; A0 a0
psubd mm6,mm5 ; A3 a3
movq mm5,mm0 ; -C4R4+C4R0 -C4r4+C4r0
paddd mm0,mm1 ; A1 a1
psubd mm5,mm1 ; A2 a2
movq mm1,[coeffs+56] ; C7 C5 C7 C5
pmaddwd mm1,mm3 ; C7R7+C5R5 C7r7+C5r5
pmaddwd mm2,[coeffs+64] ; -C7R3+C3R1 -C7r3+C3r1
paddd mm7,mm1 ; B0 b0
movq mm1,[coeffs+72] ; -C5 -C1 -C5 -C1
pmaddwd mm1,mm3 ; -C5R7-C1R5 -C5r7-C1r5
paddd mm7,mm4 ; A0+B0 a0+b0
paddd mm4,mm4 ; 2A0 2a0
psubd mm4,mm7 ; A0-B0 a0-b0
paddd mm1,mm2 ; B1 b1
psrad mm7,shift
psrad mm4,shift
movq mm2,mm0 ; A1 a1
paddd mm0,mm1 ; A1+B1 a1+b1
psubd mm2,mm1 ; A1-B1 a1-b1
psrad mm0,shift
psrad mm2,shift
packssdw mm7,mm7 ; A0+B0 a0+b0
movd [ dst ],mm7
packssdw mm0,mm0 ; A1+B1 a1+b1
movd [ dst + 16],mm0
packssdw mm2,mm2 ; A1-B1 a1-b1
movd [ dst + 96 ],mm2
packssdw mm4,mm4 ; A0-B0 a0-b0
movd [ dst + 112],mm4
movq mm0,[src1] ; R3 R1 r3 r1
movq mm4,[coeffs+80] ; -C1 C5 -C1 C5
pmaddwd mm4,mm0 ; -C1R3+C5R1 -C1r3+C5r1
movq mm7,[coeffs+88] ; C3 C7 C3 C7
pmaddwd mm0,[coeffs+96] ; -C5R3+C7R1 -C5r3+C7r1
pmaddwd mm7,mm3 ; C3R7+C7R5 C3r7+C7r5
movq mm2,mm5 ; A2 a2
pmaddwd mm3,[coeffs+104] ; -C1R7+C3R5 -C1r7+C3r5
paddd mm4,mm7 ; B2 b2
paddd mm2,mm4 ; A2+B2 a2+b2
psubd mm5,mm4 ; a2-B2 a2-b2
psrad mm2,shift
psrad mm5,shift
movq mm4,mm6 ; A3 a3
paddd mm3,mm0 ; B3 b3
paddd mm6,mm3 ; A3+B3 a3+b3
psubd mm4,mm3 ; a3-B3 a3-b3
psrad mm6,shift
psrad mm4,shift
packssdw mm2,mm2 ; A2+B2 a2+b2
packssdw mm6,mm6 ; A3+B3 a3+b3
movd [ dst + 32 ],mm2
packssdw mm4,mm4 ; A3-B3 a3-b3
packssdw mm5,mm5 ; A2-B2 a2-b2
movd [ dst + 48 ],mm6
movd [ dst + 64 ],mm4
movd [ dst + 80 ],mm5
%undef src0
%undef src4
%undef src1
%undef src5
%undef dst
%undef rounder_op
%undef rounder_arg
%undef shift
%endmacro
%macro IDCT4 8
%define src0 %1
%define src4 %2
%define src1 %3
%define src5 %4
%define dst %5
%define rounder_op %6
%define rounder_arg %7
%define shift %8
movq mm0,[src0] ; R4 R0 r4 r0
movq mm1,[src4] ; R6 R2 r6 r2
movq mm3,[src5] ; R7 R5 r7 r5
movq mm4,[coeffs+16] ; C4 C4 C4 C4
pmaddwd mm4,mm0 ; C4R4+C4R0 C4r4+C4r0
movq mm5,[coeffs+24] ; -C4 C4 -C4 C4
pmaddwd mm0,mm5 ; -C4R4+C4R0 -C4r4+C4r0
movq mm5,[coeffs+32] ; C6 C2 C6 C2
pmaddwd mm5,mm1 ; C6R6+C2R2 C6r6+C2r2
movq mm6,[coeffs+40] ; -C2 C6 -C2 C6
pmaddwd mm1,mm6 ; -C2R6+C6R2 -C2r6+C6r2
; rounder_op mm4, rounder_arg
movq mm6,mm4 ; C4R4+C4R0 C4r4+C4r0
; rounder_op mm0, rounder_arg
paddd mm4,mm5 ; A0 a0
psubd mm6,mm5 ; A3 a3
movq mm5,mm0 ; -C4R4+C4R0 -C4r4+C4r0
paddd mm0,mm1 ; A1 a1
psubd mm5,mm1 ; A2 a2
movq mm1,[coeffs+56] ; C7 C5 C7 C5
pmaddwd mm1,mm3 ; C7R7+C5R5 C7r7+C5r5
movq mm7,[coeffs+72] ; -C5 -C1 -C5 -C1
pmaddwd mm7,mm3 ; -C5R7-C1R5 -C5r7-C1r5
paddd mm1,mm4 ; A0+B0 a0+b0
paddd mm4,mm4 ; 2A0 2a0
psubd mm4,mm1 ; A0-B0 a0-b0
psrad mm1,shift
psrad mm4,shift
movq mm2,mm0 ; A1 a1
paddd mm0,mm7 ; A1+B1 a1+b1
psubd mm2,mm7 ; A1-B1 a1-b1
psrad mm0,shift
psrad mm2,shift
packssdw mm1,mm1 ; A0+B0 a0+b0
movd [ dst ],mm1
packssdw mm0,mm0 ; A1+B1 a1+b1
movd [ dst + 16 ],mm0
packssdw mm2,mm2 ; A1-B1 a1-b1
movd [ dst + 96 ],mm2
packssdw mm4,mm4 ; A0-B0 a0-b0
movd [ dst + 112 ],mm4
movq mm1,[coeffs+88] ; C3 C7 C3 C7
pmaddwd mm1,mm3 ; C3R7+C7R5 C3r7+C7r5
movq mm2,mm5 ; A2 a2
pmaddwd mm3,[coeffs+104] ; -C1R7+C3R5 -C1r7+C3r5
paddd mm2,mm1 ; A2+B2 a2+b2
psubd mm5,mm1 ; a2-B2 a2-b2
psrad mm2,shift
psrad mm5,shift
movq mm1,mm6 ; A3 a3
paddd mm6,mm3 ; A3+B3 a3+b3
psubd mm1,mm3 ; a3-B3 a3-b3
psrad mm6,shift
psrad mm1,shift
packssdw mm2,mm2 ; A2+B2 a2+b2
packssdw mm6,mm6 ; A3+B3 a3+b3
movd [dst + 32],mm2
packssdw mm1,mm1 ; A3-B3 a3-b3
packssdw mm5,mm5 ; A2-B2 a2-b2
movd [dst + 48],mm6
movd [dst + 64],mm1
movd [dst + 80],mm5
%undef src0
%undef src4
%undef src1
%undef src5
%undef dst
%undef rounder_op
%undef rounder_arg
%undef shift
%endmacro
%macro IDCT6 8
%define src0 %1
%define src4 %2
%define src1 %3
%define src5 %4
%define dst %5
%define rounder_op %6
%define rounder_arg %7
%define shift %8
movq mm0,[src0] ; R4 R0 r4 r0
movq mm3,[src5] ; R7 R5 r7 r5
movq mm4,[coeffs+16] ; C4 C4 C4 C4
pmaddwd mm4,mm0 ; C4R4+C4R0 C4r4+C4r0
movq mm5,[coeffs+24] ; -C4 C4 -C4 C4
pmaddwd mm0,mm5 ; -C4R4+C4R0 -C4r4+C4r0
; rounder_op mm4, rounder_arg
movq mm6,mm4 ; C4R4+C4R0 C4r4+C4r0
; rounder_op mm0, rounder_arg
movq mm5,mm0 ; -C4R4+C4R0 -C4r4+C4r0
movq mm1,[coeffs+56] ; C7 C5 C7 C5
pmaddwd mm1,mm3 ; C7R7+C5R5 C7r7+C5r5
movq mm7,[coeffs+72] ; -C5 -C1 -C5 -C1
pmaddwd mm7,mm3 ; -C5R7-C1R5 -C5r7-C1r5
paddd mm1,mm4 ; A0+B0 a0+b0
paddd mm4,mm4 ; 2A0 2a0
psubd mm4,mm1 ; A0-B0 a0-b0
psrad mm1,shift
psrad mm4,shift
movq mm2,mm0 ; A1 a1
paddd mm0,mm7 ; A1+B1 a1+b1
psubd mm2,mm7 ; A1-B1 a1-b1
psrad mm0,shift
psrad mm2,shift
packssdw mm1,mm1 ; A0+B0 a0+b0
movd [ dst ],mm1
packssdw mm0,mm0 ; A1+B1 a1+b1
movd [ dst + 16 ],mm0
packssdw mm2,mm2 ; A1-B1 a1-b1
movd [ dst + 96 ],mm2
packssdw mm4,mm4 ; A0-B0 a0-b0
movd [ dst + 112 ],mm4
movq mm1,[coeffs+88] ; C3 C7 C3 C7
pmaddwd mm1,mm3 ; C3R7+C7R5 C3r7+C7r5
movq mm2,mm5 ; A2 a2
pmaddwd mm3,[coeffs+104] ; -C1R7+C3R5 -C1r7+C3r5
paddd mm2,mm1 ; A2+B2 a2+b2
psubd mm5,mm1 ; a2-B2 a2-b2
psrad mm2,shift
psrad mm5,shift
movq mm1,mm6 ; A3 a3
paddd mm6,mm3 ; A3+B3 a3+b3
psubd mm1,mm3 ; a3-B3 a3-b3
psrad mm6,shift
psrad mm1,shift
packssdw mm2,mm2 ; A2+B2 a2+b2
packssdw mm6,mm6 ; A3+B3 a3+b3
movd [dst + 32],mm2
packssdw mm1,mm1 ; A3-B3 a3-b3
packssdw mm5,mm5 ; A2-B2 a2-b2
movd [dst + 48],mm6
movd [dst + 64],mm1
movd [dst + 80],mm5
%undef src0
%undef src4
%undef src1
%undef src5
%undef dst
%undef rounder_op
%undef rounder_arg
%undef shift
%endmacro
%macro IDCT2 8
%define src0 %1
%define src4 %2
%define src1 %3
%define src5 %4
%define dst %5
%define rounder_op %6
%define rounder_arg %7
%define shift %8
movq mm0,[src0] ; R4 R0 r4 r0
movq mm2,[src1] ; R3 R1 r3 r1
movq mm3,[src5] ; R7 R5 r7 r5
movq mm4,[coeffs+16] ; C4 C4 C4 C4
pmaddwd mm4,mm0 ; C4R4+C4R0 C4r4+C4r0
movq mm5,[coeffs+24] ; -C4 C4 -C4 C4
pmaddwd mm0,mm5 ; -C4R4+C4R0 -C4r4+C4r0
; rounder_op mm4, rounder_arg
movq mm6,mm4 ; C4R4+C4R0 C4r4+C4r0
movq mm7,[coeffs+48] ; C3 C1 C3 C1
; rounder_op mm0, rounder_arg
pmaddwd mm7,mm2 ; C3R3+C1R1 C3r3+C1r1
movq mm5,mm0 ; -C4R4+C4R0 -C4r4+C4r0
movq mm1,[coeffs+56] ; C7 C5 C7 C5
pmaddwd mm1,mm3 ; C7R7+C5R5 C7r7+C5r5
pmaddwd mm2,[coeffs+64] ; -C7R3+C3R1 -C7r3+C3r1
paddd mm7,mm1 ; B0 b0
movq mm1,[coeffs+72] ; -C5 -C1 -C5 -C1
pmaddwd mm1,mm3 ; -C5R7-C1R5 -C5r7-C1r5
paddd mm7,mm4 ; A0+B0 a0+b0
paddd mm4,mm4 ; 2A0 2a0
psubd mm4,mm7 ; A0-B0 a0-b0
paddd mm1,mm2 ; B1 b1
psrad mm7,shift
psrad mm4,shift
movq mm2,mm0 ; A1 a1
paddd mm0,mm1 ; A1+B1 a1+b1
psubd mm2,mm1 ; A1-B1 a1-b1
psrad mm0,shift
psrad mm2,shift
packssdw mm7,mm7 ; A0+B0 a0+b0
movd [dst],mm7
packssdw mm0,mm0 ; A1+B1 a1+b1
movd [dst + 16],mm0
packssdw mm2,mm2 ; A1-B1 a1-b1
movd [dst + 96],mm2
packssdw mm4,mm4 ; A0-B0 a0-b0
movd [dst + 112],mm4
movq mm0,[src1] ; R3 R1 r3 r1
movq mm4,[coeffs+80] ; -C1 C5 -C1 C5
pmaddwd mm4,mm0 ; -C1R3+C5R1 -C1r3+C5r1
movq mm7,[coeffs+88] ; C3 C7 C3 C7
pmaddwd mm0,[coeffs+96] ; -C5R3+C7R1 -C5r3+C7r1
pmaddwd mm7,mm3 ; C3R7+C7R5 C3r7+C7r5
movq mm2,mm5 ; A2 a2
pmaddwd mm3,[coeffs+104] ; -C1R7+C3R5 -C1r7+C3r5
paddd mm4,mm7 ; B2 b2
paddd mm2,mm4 ; A2+B2 a2+b2
psubd mm5,mm4 ; a2-B2 a2-b2
psrad mm2,shift
psrad mm5,shift
movq mm4,mm6 ; A3 a3
paddd mm3,mm0 ; B3 b3
paddd mm6,mm3 ; A3+B3 a3+b3
psubd mm4,mm3 ; a3-B3 a3-b3
psrad mm6,shift
psrad mm4,shift
packssdw mm2,mm2 ; A2+B2 a2+b2
packssdw mm6,mm6 ; A3+B3 a3+b3
movd [dst + 32],mm2
packssdw mm4,mm4 ; A3-B3 a3-b3
packssdw mm5,mm5 ; A2-B2 a2-b2
movd [dst + 48],mm6
movd [dst + 64],mm4
movd [dst + 80],mm5
%undef src0
%undef src4
%undef src1
%undef src5
%undef dst
%undef rounder_op
%undef rounder_arg
%undef shift
%endmacro
%macro IDCT3 8
%define src0 %1
%define src4 %2
%define src1 %3
%define src5 %4
%define dst %5
%define rounder_op %6
%define rounder_arg %7
%define shift %8
movq mm0,[src0] ; R4 R0 r4 r0
movq mm2,[src1] ; R3 R1 r3 r1
movq mm4,[coeffs+16] ; C4 C4 C4 C4
pmaddwd mm4,mm0 ; C4R4+C4R0 C4r4+C4r0
movq mm5,[coeffs+24] ; -C4 C4 -C4 C4
pmaddwd mm0,mm5 ; -C4R4+C4R0 -C4r4+C4r0
; rounder_op mm4, rounder_arg
movq mm6,mm4 ; C4R4+C4R0 C4r4+C4r0
movq mm7,[coeffs+48] ; C3 C1 C3 C1
; rounder_op mm0, rounder_arg
pmaddwd mm7,mm2 ; C3R3+C1R1 C3r3+C1r1
movq mm5,mm0 ; -C4R4+C4R0 -C4r4+C4r0
movq mm3,[coeffs+64]
pmaddwd mm3,mm2 ; -C7R3+C3R1 -C7r3+C3r1
paddd mm7,mm4 ; A0+B0 a0+b0
paddd mm4,mm4 ; 2A0 2a0
psubd mm4,mm7 ; A0-B0 a0-b0
psrad mm7,shift
psrad mm4,shift
movq mm1,mm0 ; A1 a1
paddd mm0,mm3 ; A1+B1 a1+b1
psubd mm1,mm3 ; A1-B1 a1-b1
psrad mm0,shift
psrad mm1,shift
packssdw mm7,mm7 ; A0+B0 a0+b0
movd [dst],mm7
packssdw mm0,mm0 ; A1+B1 a1+b1
movd [dst + 16],mm0
packssdw mm1,mm1 ; A1-B1 a1-b1
movd [dst + 96],mm1
packssdw mm4,mm4 ; A0-B0 a0-b0
movd [dst + 112],mm4
movq mm4,[coeffs+80] ; -C1 C5 -C1 C5
pmaddwd mm4,mm2 ; -C1R3+C5R1 -C1r3+C5r1
pmaddwd mm2,[coeffs+96] ; -C5R3+C7R1 -C5r3+C7r1
movq mm1,mm5 ; A2 a2
paddd mm1,mm4 ; A2+B2 a2+b2
psubd mm5,mm4 ; a2-B2 a2-b2
psrad mm1,shift
psrad mm5,shift
movq mm4,mm6 ; A3 a3
paddd mm6,mm2 ; A3+B3 a3+b3
psubd mm4,mm2 ; a3-B3 a3-b3
psrad mm6,shift
psrad mm4,shift
packssdw mm1,mm1 ; A2+B2 a2+b2
packssdw mm6,mm6 ; A3+B3 a3+b3
movd [dst + 32],mm1
packssdw mm4,mm4 ; A3-B3 a3-b3
packssdw mm5,mm5 ; A2-B2 a2-b2
movd [dst + 48],mm6
movd [dst + 64],mm4
movd [dst + 80],mm5
%undef src0
%undef src4
%undef src1
%undef src5
%undef dst
%undef rounder_op
%undef rounder_arg
%undef shift
%endmacro
%macro IDCT5 8
%define src0 %1
%define src4 %2
%define src1 %3
%define src5 %4
%define dst %5
%define rounder_op %6
%define rounder_arg %7
%define shift %8
movq mm0,[src0] ; R4 R0 r4 r0
movq mm1,[src4] ; R6 R2 r6 r2
movq mm4,[coeffs+16] ; C4 C4 C4 C4
pmaddwd mm4,mm0 ; C4R4+C4R0 C4r4+C4r0
movq mm5,[coeffs+24] ; -C4 C4 -C4 C4
pmaddwd mm0,mm5 ; -C4R4+C4R0 -C4r4+C4r0
movq mm5,[coeffs+32] ; C6 C2 C6 C2
pmaddwd mm5,mm1 ; C6R6+C2R2 C6r6+C2r2
movq mm6,[coeffs+40] ; -C2 C6 -C2 C6
pmaddwd mm1,mm6 ; -C2R6+C6R2 -C2r6+C6r2
; rounder_op mm4, rounder_arg
movq mm6,mm4 ; C4R4+C4R0 C4r4+C4r0
paddd mm4,mm5 ; A0 a0
; rounder_op mm0, rounder_arg
psubd mm6,mm5 ; A3 a3
movq mm5,mm0 ; -C4R4+C4R0 -C4r4+C4r0
paddd mm0,mm1 ; A1 a1
psubd mm5,mm1 ; A2 a2
movq mm2,[src0 + 8] ; R4 R0 r4 r0
movq mm3,[src4 + 8] ; R6 R2 r6 r2
movq mm1,[coeffs+16] ; C4 C4 C4 C4
pmaddwd mm1,mm2 ; C4R4+C4R0 C4r4+C4r0
movq mm7,[coeffs+24] ; -C4 C4 -C4 C4
pmaddwd mm2,mm7 ; -C4R4+C4R0 -C4r4+C4r0
movq mm7,[coeffs+32] ; C6 C2 C6 C2
pmaddwd mm7,mm3 ; C6R6+C2R2 C6r6+C2r2
pmaddwd mm3,[coeffs+40] ; -C2R6+C6R2 -C2r6+C6r2
; rounder_op mm1, rounder_arg
paddd mm7,mm1 ; A0 a0
paddd mm1,mm1 ; 2C0 2c0
; rounder_op mm2, rounder_arg
psubd mm1,mm7 ; A3 a3
paddd mm3,mm2 ; A1 a1
paddd mm2,mm2 ; 2C1 2c1
psubd mm2,mm3 ; A2 a2
psrad mm4,shift
psrad mm7,shift
psrad mm3,shift
packssdw mm4,mm7 ; A0 a0
movq [dst],mm4
psrad mm0,shift
packssdw mm0,mm3 ; A1 a1
movq [dst + 16],mm0
movq [dst + 96],mm0
movq [dst + 112],mm4
psrad mm5,shift
psrad mm6,shift
psrad mm2,shift
packssdw mm5,mm2 ; A2-B2 a2-b2
movq [dst + 32],mm5
psrad mm1,shift
packssdw mm6,mm1 ; A3+B3 a3+b3
movq [dst + 48],mm6
movq [dst + 64],mm6
movq [dst + 80],mm5
%undef src0
%undef src4
%undef src1
%undef src5
%undef dst
%undef rounder_op
%undef rounder_arg
%undef shift
%endmacro
%macro IDCT1 8
%define src0 %1
%define src4 %2
%define src1 %3
%define src5 %4
%define dst %5
%define rounder_op %6
%define rounder_arg %7
%define shift %8
movq mm0,[src0] ; R4 R0 r4 r0
movq mm1,[src4] ; R6 R2 r6 r2
movq mm2,[src1] ; R3 R1 r3 r1
movq mm4,[coeffs+16] ; C4 C4 C4 C4
pmaddwd mm4,mm0 ; C4R4+C4R0 C4r4+C4r0
movq mm5,[coeffs+24] ; -C4 C4 -C4 C4
pmaddwd mm0,mm5 ; -C4R4+C4R0 -C4r4+C4r0
movq mm5,[coeffs+32] ; C6 C2 C6 C2
pmaddwd mm5,mm1 ; C6R6+C2R2 C6r6+C2r2
movq mm6,[coeffs+40] ; -C2 C6 -C2 C6
pmaddwd mm1,mm6 ; -C2R6+C6R2 -C2r6+C6r2
; rounder_op mm4, rounder_arg
movq mm6,mm4 ; C4R4+C4R0 C4r4+C4r0
movq mm7,[coeffs+48] ; C3 C1 C3 C1
; rounder_op mm0, rounder_arg
pmaddwd mm7,mm2 ; C3R3+C1R1 C3r3+C1r1
paddd mm4,mm5 ; A0 a0
psubd mm6,mm5 ; A3 a3
movq mm5,mm0 ; -C4R4+C4R0 -C4r4+C4r0
paddd mm0,mm1 ; A1 a1
psubd mm5,mm1 ; A2 a2
movq mm1,[coeffs+64]
pmaddwd mm1,mm2 ; -C7R3+C3R1 -C7r3+C3r1
paddd mm7,mm4 ; A0+B0 a0+b0
paddd mm4,mm4 ; 2A0 2a0
psubd mm4,mm7 ; A0-B0 a0-b0
psrad mm7,shift
psrad mm4,shift
movq mm3,mm0 ; A1 a1
paddd mm0,mm1 ; A1+B1 a1+b1
psubd mm3,mm1 ; A1-B1 a1-b1
psrad mm0,shift
psrad mm3,shift
packssdw mm7,mm7 ; A0+B0 a0+b0
movd [dst],mm7
packssdw mm0,mm0 ; A1+B1 a1+b1
movd [dst + 16],mm0
packssdw mm3,mm3 ; A1-B1 a1-b1
movd [dst + 96],mm3
packssdw mm4,mm4 ; A0-B0 a0-b0
movd [dst + 112],mm4
movq mm4,[coeffs+80] ; -C1 C5 -C1 C5
pmaddwd mm4,mm2 ; -C1R3+C5R1 -C1r3+C5r1
pmaddwd mm2,[coeffs+96] ; -C5R3+C7R1 -C5r3+C7r1
movq mm3,mm5 ; A2 a2
paddd mm3,mm4 ; A2+B2 a2+b2
psubd mm5,mm4 ; a2-B2 a2-b2
psrad mm3,shift
psrad mm5,shift
movq mm4,mm6 ; A3 a3
paddd mm6,mm2 ; A3+B3 a3+b3
psubd mm4,mm2 ; a3-B3 a3-b3
psrad mm6,shift
packssdw mm3,mm3 ; A2+B2 a2+b2
movd [dst + 32],mm3
psrad mm4,shift
packssdw mm6,mm6 ; A3+B3 a3+b3
movd [dst + 48],mm6
packssdw mm4,mm4 ; A3-B3 a3-b3
packssdw mm5,mm5 ; A2-B2 a2-b2
movd [dst + 64],mm4
movd [dst + 80],mm5
%undef src0
%undef src4
%undef src1
%undef src5
%undef dst
%undef rounder_op
%undef rounder_arg
%undef shift
%endmacro
%macro IDCT7 8
%define src0 %1
%define src4 %2
%define src1 %3
%define src5 %4
%define dst %5
%define rounder_op %6
%define rounder_arg %7
%define shift %8
movq mm0,[src0] ; R4 R0 r4 r0
movq mm4,[coeffs+16] ; C4 C4 C4 C4
pmaddwd mm4,mm0 ; C4R4+C4R0 C4r4+C4r0
movq mm5,[coeffs+24] ; -C4 C4 -C4 C4
pmaddwd mm0,mm5 ; -C4R4+C4R0 -C4r4+C4r0
; rounder_op mm4, rounder_arg
; rounder_op mm0, rounder_arg
psrad mm4,shift
psrad mm0,shift
movq mm2,[src0 + 8] ; R4 R0 r4 r0
movq mm1,[coeffs+16] ; C4 C4 C4 C4
pmaddwd mm1,mm2 ; C4R4+C4R0 C4r4+C4r0
movq mm7,[coeffs+24] ; -C4 C4 -C4 C4
pmaddwd mm2,mm7 ; -C4R4+C4R0 -C4r4+C4r0
movq mm7,[coeffs+32] ; C6 C2 C6 C2
; rounder_op mm1, rounder_arg
; rounder_op mm2, rounder_arg
psrad mm1,shift
packssdw mm4,mm1 ; A0 a0
movq [dst],mm4
psrad mm2,shift
packssdw mm0,mm2 ; A1 a1
movq [dst + 16],mm0
movq [dst + 96],mm0
movq [dst + 112],mm4
movq [dst + 32],mm0
movq [dst + 48],mm4
movq [dst + 64],mm4
movq [dst + 80],mm0
%undef src0
%undef src4
%undef src1
%undef src5
%undef dst
%undef rounder_op
%undef rounder_arg
%undef shift
%endmacro
%macro cfastcall 1
global @%1@4
%define %1 @%1@4
%endmacro
%macro cglobal 1
%ifdef PREFIX
global _%1
%define %1 _%1
%else
global %1
%endif
%endmacro
;------------------ again with permuted parms --------
;
; simple_idct_mmx_P is the same function as simple_idct_mmx above except that on entry it will
; do a fast in-line and in-place permutation on the iDCT parm list. This means that same parm list
; will also not have to be copied on the way out. - trbarry 6/2003
%macro XLODA 2
mov bx, [srcP+2*%2] ; get src contents
mov ax, [srcP+2*%1] ; get dest contents
mov [srcP+2*%1], bx ; store new dest val
%endmacro
%macro XCHGA 2
mov ax, [srcP+2*%1] ; get dest contents
mov [srcP+2*%1], bx ; store new dest val
%endmacro
%macro XCHGB 2
mov bx, [srcP+2*%1] ; get dest contents
mov [srcP+2*%1], ax ; store new dest val
%endmacro
%macro XSTRA 2
mov [srcP+2*%1], bx ; store dest val
%endmacro
%macro XSTRB 2
mov [srcP+2*%1], ax ; store dest val
%endmacro
%macro PERMUTEP 1
%define srcP %1
push ebx
; XCHGA 0x00, 0x00 ; nothing to do
XLODA 0x08, 0x01
XCHGB 0x10, 0x08
XCHGA 0x20, 0x10
XCHGB 0x02, 0x20
XCHGA 0x04, 0x02
XSTRB 0x01, 0x04
XLODA 0x09, 0x03
XCHGB 0x18, 0x09
XCHGA 0x12, 0x18
XCHGB 0x24, 0x12
XSTRA 0x03, 0x24
XLODA 0x0C, 0x05
XCHGB 0x11, 0x0C
XCHGA 0x28, 0x11
XCHGB 0x30, 0x28
XCHGA 0x22, 0x30
XCHGB 0x06, 0x22
XSTRA 0x05, 0x06
XLODA 0x0D, 0x07
XCHGB 0x1C, 0x0D
XCHGA 0x13, 0x1C
XCHGB 0x29, 0x13
XCHGA 0x38, 0x29
XCHGB 0x32, 0x38
XCHGA 0x26, 0x32
XSTRB 0x07, 0x26
XLODA 0x14, 0x0A
XCHGB 0x21, 0x14
XSTRA 0x0A, 0x21
XLODA 0x19, 0x0B
XCHGB 0x1A, 0x19
XCHGA 0x16, 0x1A
XCHGB 0x25, 0x16
XCHGA 0x0E, 0x25
XCHGB 0x15, 0x0E
XCHGA 0x2C, 0x15
XCHGB 0x31, 0x2C
XCHGA 0x2A, 0x31
XCHGB 0x34, 0x2A
XCHGA 0x23, 0x34
XSTRB 0x0B, 0x23