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gerrit-public.fairphone.software / platform / external / libjpeg-turbo / 72130be99f592adf302fb13682eea7b87352026c / . / simd / i386-sse2 / jidctint.asm
blob: 4a35f3dff9d9a3f0f95aedea89343b4a5c4ddd27 [file] [log] [blame]
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]1;
DRC72130be2014-05-09 20:14:26 +0000[diff] [blame^]2; jidctint.asm - accurate integer IDCT (SSE2)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]3;
Pierre Ossmaneea72152009-03-09 13:34:17 +0000[diff] [blame]4; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
5;
6; Based on
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]7; x86 SIMD extension for IJG JPEG library
8; Copyright (C) 1999-2006, MIYASAKA Masaru.
9; For conditions of distribution and use, see copyright notice in jsimdext.inc
10;
11; This file should be assembled with NASM (Netwide Assembler),
12; can *not* be assembled with Microsoft's MASM or any compatible
13; assembler (including Borland's Turbo Assembler).
14; NASM is available from http://nasm.sourceforge.net/ or
15; http://sourceforge.net/project/showfiles.php?group_id=6208
16;
17; This file contains a slow-but-accurate integer implementation of the
18; inverse DCT (Discrete Cosine Transform). The following code is based
19; directly on the IJG's original jidctint.c; see the jidctint.c for
20; more details.
21;
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]22; [TAB8]
23
Pierre Ossman3a65ef42009-03-16 13:34:18 +0000[diff] [blame]24%include "jsimdext.inc"
25%include "jdct.inc"
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]26
27; --------------------------------------------------------------------------
28
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]29%define CONST_BITS 13
30%define PASS1_BITS 2
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]31
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]32%define DESCALE_P1 (CONST_BITS-PASS1_BITS)
33%define DESCALE_P2 (CONST_BITS+PASS1_BITS+3)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]34
35%if CONST_BITS == 13
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]36F_0_298 equ 2446 ; FIX(0.298631336)
37F_0_390 equ 3196 ; FIX(0.390180644)
38F_0_541 equ 4433 ; FIX(0.541196100)
39F_0_765 equ 6270 ; FIX(0.765366865)
40F_0_899 equ 7373 ; FIX(0.899976223)
41F_1_175 equ 9633 ; FIX(1.175875602)
42F_1_501 equ 12299 ; FIX(1.501321110)
43F_1_847 equ 15137 ; FIX(1.847759065)
44F_1_961 equ 16069 ; FIX(1.961570560)
45F_2_053 equ 16819 ; FIX(2.053119869)
46F_2_562 equ 20995 ; FIX(2.562915447)
47F_3_072 equ 25172 ; FIX(3.072711026)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]48%else
49; NASM cannot do compile-time arithmetic on floating-point constants.
50%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n))
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]51F_0_298 equ DESCALE( 320652955,30-CONST_BITS) ; FIX(0.298631336)
52F_0_390 equ DESCALE( 418953276,30-CONST_BITS) ; FIX(0.390180644)
53F_0_541 equ DESCALE( 581104887,30-CONST_BITS) ; FIX(0.541196100)
54F_0_765 equ DESCALE( 821806413,30-CONST_BITS) ; FIX(0.765366865)
55F_0_899 equ DESCALE( 966342111,30-CONST_BITS) ; FIX(0.899976223)
56F_1_175 equ DESCALE(1262586813,30-CONST_BITS) ; FIX(1.175875602)
57F_1_501 equ DESCALE(1612031267,30-CONST_BITS) ; FIX(1.501321110)
58F_1_847 equ DESCALE(1984016188,30-CONST_BITS) ; FIX(1.847759065)
59F_1_961 equ DESCALE(2106220350,30-CONST_BITS) ; FIX(1.961570560)
60F_2_053 equ DESCALE(2204520673,30-CONST_BITS) ; FIX(2.053119869)
61F_2_562 equ DESCALE(2751909506,30-CONST_BITS) ; FIX(2.562915447)
62F_3_072 equ DESCALE(3299298341,30-CONST_BITS) ; FIX(3.072711026)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]63%endif
64
65; --------------------------------------------------------------------------
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]66 SECTION SEG_CONST
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]67
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]68 alignz 16
69 global EXTN(jconst_idct_islow_sse2)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]70
71EXTN(jconst_idct_islow_sse2):
72
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]73PW_F130_F054 times 4 dw (F_0_541+F_0_765), F_0_541
74PW_F054_MF130 times 4 dw F_0_541, (F_0_541-F_1_847)
75PW_MF078_F117 times 4 dw (F_1_175-F_1_961), F_1_175
76PW_F117_F078 times 4 dw F_1_175, (F_1_175-F_0_390)
77PW_MF060_MF089 times 4 dw (F_0_298-F_0_899),-F_0_899
78PW_MF089_F060 times 4 dw -F_0_899, (F_1_501-F_0_899)
79PW_MF050_MF256 times 4 dw (F_2_053-F_2_562),-F_2_562
80PW_MF256_F050 times 4 dw -F_2_562, (F_3_072-F_2_562)
81PD_DESCALE_P1 times 4 dd 1 << (DESCALE_P1-1)
82PD_DESCALE_P2 times 4 dd 1 << (DESCALE_P2-1)
83PB_CENTERJSAMP times 16 db CENTERJSAMPLE
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]84
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]85 alignz 16
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]86
87; --------------------------------------------------------------------------
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]88 SECTION SEG_TEXT
89 BITS 32
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]90;
91; Perform dequantization and inverse DCT on one block of coefficients.
92;
93; GLOBAL(void)
Pierre Ossmaneea72152009-03-09 13:34:17 +0000[diff] [blame]94; jsimd_idct_islow_sse2 (void * dct_table, JCOEFPTR coef_block,
95; JSAMPARRAY output_buf, JDIMENSION output_col)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]96;
97
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]98%define dct_table(b) (b)+8 ; jpeg_component_info * compptr
99%define coef_block(b) (b)+12 ; JCOEFPTR coef_block
100%define output_buf(b) (b)+16 ; JSAMPARRAY output_buf
101%define output_col(b) (b)+20 ; JDIMENSION output_col
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]102
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]103%define original_ebp ebp+0
104%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM]
105%define WK_NUM 12
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]106
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]107 align 16
108 global EXTN(jsimd_idct_islow_sse2)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]109
Pierre Ossmaneea72152009-03-09 13:34:17 +0000[diff] [blame]110EXTN(jsimd_idct_islow_sse2):
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]111 push ebp
112 mov eax,esp ; eax = original ebp
113 sub esp, byte 4
114 and esp, byte (-SIZEOF_XMMWORD) ; align to 128 bits
115 mov [esp],eax
116 mov ebp,esp ; ebp = aligned ebp
117 lea esp, [wk(0)]
118 pushpic ebx
119; push ecx ; unused
120; push edx ; need not be preserved
121 push esi
122 push edi
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]123
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]124 get_GOT ebx ; get GOT address
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]125
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]126 ; ---- Pass 1: process columns from input.
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]127
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]128; mov eax, [original_ebp]
129 mov edx, POINTER [dct_table(eax)] ; quantptr
130 mov esi, JCOEFPTR [coef_block(eax)] ; inptr
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]131
132%ifndef NO_ZERO_COLUMN_TEST_ISLOW_SSE2
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]133 mov eax, DWORD [DWBLOCK(1,0,esi,SIZEOF_JCOEF)]
134 or eax, DWORD [DWBLOCK(2,0,esi,SIZEOF_JCOEF)]
135 jnz near .columnDCT
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]136
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]137 movdqa xmm0, XMMWORD [XMMBLOCK(1,0,esi,SIZEOF_JCOEF)]
138 movdqa xmm1, XMMWORD [XMMBLOCK(2,0,esi,SIZEOF_JCOEF)]
139 por xmm0, XMMWORD [XMMBLOCK(3,0,esi,SIZEOF_JCOEF)]
140 por xmm1, XMMWORD [XMMBLOCK(4,0,esi,SIZEOF_JCOEF)]
141 por xmm0, XMMWORD [XMMBLOCK(5,0,esi,SIZEOF_JCOEF)]
142 por xmm1, XMMWORD [XMMBLOCK(6,0,esi,SIZEOF_JCOEF)]
143 por xmm0, XMMWORD [XMMBLOCK(7,0,esi,SIZEOF_JCOEF)]
144 por xmm1,xmm0
145 packsswb xmm1,xmm1
146 packsswb xmm1,xmm1
147 movd eax,xmm1
148 test eax,eax
149 jnz short .columnDCT
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]150
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]151 ; -- AC terms all zero
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]152
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]153 movdqa xmm5, XMMWORD [XMMBLOCK(0,0,esi,SIZEOF_JCOEF)]
154 pmullw xmm5, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_ISLOW_MULT_TYPE)]
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]155
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]156 psllw xmm5,PASS1_BITS
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]157
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]158 movdqa xmm4,xmm5 ; xmm5=in0=(00 01 02 03 04 05 06 07)
159 punpcklwd xmm5,xmm5 ; xmm5=(00 00 01 01 02 02 03 03)
160 punpckhwd xmm4,xmm4 ; xmm4=(04 04 05 05 06 06 07 07)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]161
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]162 pshufd xmm7,xmm5,0x00 ; xmm7=col0=(00 00 00 00 00 00 00 00)
163 pshufd xmm6,xmm5,0x55 ; xmm6=col1=(01 01 01 01 01 01 01 01)
164 pshufd xmm1,xmm5,0xAA ; xmm1=col2=(02 02 02 02 02 02 02 02)
165 pshufd xmm5,xmm5,0xFF ; xmm5=col3=(03 03 03 03 03 03 03 03)
166 pshufd xmm0,xmm4,0x00 ; xmm0=col4=(04 04 04 04 04 04 04 04)
167 pshufd xmm3,xmm4,0x55 ; xmm3=col5=(05 05 05 05 05 05 05 05)
168 pshufd xmm2,xmm4,0xAA ; xmm2=col6=(06 06 06 06 06 06 06 06)
169 pshufd xmm4,xmm4,0xFF ; xmm4=col7=(07 07 07 07 07 07 07 07)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]170
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]171 movdqa XMMWORD [wk(8)], xmm6 ; wk(8)=col1
172 movdqa XMMWORD [wk(9)], xmm5 ; wk(9)=col3
173 movdqa XMMWORD [wk(10)], xmm3 ; wk(10)=col5
174 movdqa XMMWORD [wk(11)], xmm4 ; wk(11)=col7
175 jmp near .column_end
176 alignx 16,7
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]177%endif
178.columnDCT:
179
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]180 ; -- Even part
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]181
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]182 movdqa xmm0, XMMWORD [XMMBLOCK(0,0,esi,SIZEOF_JCOEF)]
183 movdqa xmm1, XMMWORD [XMMBLOCK(2,0,esi,SIZEOF_JCOEF)]
184 pmullw xmm0, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_ISLOW_MULT_TYPE)]
185 pmullw xmm1, XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_ISLOW_MULT_TYPE)]
186 movdqa xmm2, XMMWORD [XMMBLOCK(4,0,esi,SIZEOF_JCOEF)]
187 movdqa xmm3, XMMWORD [XMMBLOCK(6,0,esi,SIZEOF_JCOEF)]
188 pmullw xmm2, XMMWORD [XMMBLOCK(4,0,edx,SIZEOF_ISLOW_MULT_TYPE)]
189 pmullw xmm3, XMMWORD [XMMBLOCK(6,0,edx,SIZEOF_ISLOW_MULT_TYPE)]
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]190
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]191 ; (Original)
192 ; z1 = (z2 + z3) * 0.541196100;
193 ; tmp2 = z1 + z3 * -1.847759065;
194 ; tmp3 = z1 + z2 * 0.765366865;
195 ;
196 ; (This implementation)
197 ; tmp2 = z2 * 0.541196100 + z3 * (0.541196100 - 1.847759065);
198 ; tmp3 = z2 * (0.541196100 + 0.765366865) + z3 * 0.541196100;
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]199
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]200 movdqa xmm4,xmm1 ; xmm1=in2=z2
201 movdqa xmm5,xmm1
202 punpcklwd xmm4,xmm3 ; xmm3=in6=z3
203 punpckhwd xmm5,xmm3
204 movdqa xmm1,xmm4
205 movdqa xmm3,xmm5
206 pmaddwd xmm4,[GOTOFF(ebx,PW_F130_F054)] ; xmm4=tmp3L
207 pmaddwd xmm5,[GOTOFF(ebx,PW_F130_F054)] ; xmm5=tmp3H
208 pmaddwd xmm1,[GOTOFF(ebx,PW_F054_MF130)] ; xmm1=tmp2L
209 pmaddwd xmm3,[GOTOFF(ebx,PW_F054_MF130)] ; xmm3=tmp2H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]210
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]211 movdqa xmm6,xmm0
212 paddw xmm0,xmm2 ; xmm0=in0+in4
213 psubw xmm6,xmm2 ; xmm6=in0-in4
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]214
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]215 pxor xmm7,xmm7
216 pxor xmm2,xmm2
217 punpcklwd xmm7,xmm0 ; xmm7=tmp0L
218 punpckhwd xmm2,xmm0 ; xmm2=tmp0H
219 psrad xmm7,(16-CONST_BITS) ; psrad xmm7,16 & pslld xmm7,CONST_BITS
220 psrad xmm2,(16-CONST_BITS) ; psrad xmm2,16 & pslld xmm2,CONST_BITS
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]221
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]222 movdqa xmm0,xmm7
223 paddd xmm7,xmm4 ; xmm7=tmp10L
224 psubd xmm0,xmm4 ; xmm0=tmp13L
225 movdqa xmm4,xmm2
226 paddd xmm2,xmm5 ; xmm2=tmp10H
227 psubd xmm4,xmm5 ; xmm4=tmp13H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]228
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]229 movdqa XMMWORD [wk(0)], xmm7 ; wk(0)=tmp10L
230 movdqa XMMWORD [wk(1)], xmm2 ; wk(1)=tmp10H
231 movdqa XMMWORD [wk(2)], xmm0 ; wk(2)=tmp13L
232 movdqa XMMWORD [wk(3)], xmm4 ; wk(3)=tmp13H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]233
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]234 pxor xmm5,xmm5
235 pxor xmm7,xmm7
236 punpcklwd xmm5,xmm6 ; xmm5=tmp1L
237 punpckhwd xmm7,xmm6 ; xmm7=tmp1H
238 psrad xmm5,(16-CONST_BITS) ; psrad xmm5,16 & pslld xmm5,CONST_BITS
239 psrad xmm7,(16-CONST_BITS) ; psrad xmm7,16 & pslld xmm7,CONST_BITS
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]240
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]241 movdqa xmm2,xmm5
242 paddd xmm5,xmm1 ; xmm5=tmp11L
243 psubd xmm2,xmm1 ; xmm2=tmp12L
244 movdqa xmm0,xmm7
245 paddd xmm7,xmm3 ; xmm7=tmp11H
246 psubd xmm0,xmm3 ; xmm0=tmp12H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]247
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]248 movdqa XMMWORD [wk(4)], xmm5 ; wk(4)=tmp11L
249 movdqa XMMWORD [wk(5)], xmm7 ; wk(5)=tmp11H
250 movdqa XMMWORD [wk(6)], xmm2 ; wk(6)=tmp12L
251 movdqa XMMWORD [wk(7)], xmm0 ; wk(7)=tmp12H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]252
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]253 ; -- Odd part
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]254
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]255 movdqa xmm4, XMMWORD [XMMBLOCK(1,0,esi,SIZEOF_JCOEF)]
256 movdqa xmm6, XMMWORD [XMMBLOCK(3,0,esi,SIZEOF_JCOEF)]
257 pmullw xmm4, XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_ISLOW_MULT_TYPE)]
258 pmullw xmm6, XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_ISLOW_MULT_TYPE)]
259 movdqa xmm1, XMMWORD [XMMBLOCK(5,0,esi,SIZEOF_JCOEF)]
260 movdqa xmm3, XMMWORD [XMMBLOCK(7,0,esi,SIZEOF_JCOEF)]
261 pmullw xmm1, XMMWORD [XMMBLOCK(5,0,edx,SIZEOF_ISLOW_MULT_TYPE)]
262 pmullw xmm3, XMMWORD [XMMBLOCK(7,0,edx,SIZEOF_ISLOW_MULT_TYPE)]
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]263
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]264 movdqa xmm5,xmm6
265 movdqa xmm7,xmm4
266 paddw xmm5,xmm3 ; xmm5=z3
267 paddw xmm7,xmm1 ; xmm7=z4
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]268
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]269 ; (Original)
270 ; z5 = (z3 + z4) * 1.175875602;
271 ; z3 = z3 * -1.961570560; z4 = z4 * -0.390180644;
272 ; z3 += z5; z4 += z5;
273 ;
274 ; (This implementation)
275 ; z3 = z3 * (1.175875602 - 1.961570560) + z4 * 1.175875602;
276 ; z4 = z3 * 1.175875602 + z4 * (1.175875602 - 0.390180644);
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]277
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]278 movdqa xmm2,xmm5
279 movdqa xmm0,xmm5
280 punpcklwd xmm2,xmm7
281 punpckhwd xmm0,xmm7
282 movdqa xmm5,xmm2
283 movdqa xmm7,xmm0
284 pmaddwd xmm2,[GOTOFF(ebx,PW_MF078_F117)] ; xmm2=z3L
285 pmaddwd xmm0,[GOTOFF(ebx,PW_MF078_F117)] ; xmm0=z3H
286 pmaddwd xmm5,[GOTOFF(ebx,PW_F117_F078)] ; xmm5=z4L
287 pmaddwd xmm7,[GOTOFF(ebx,PW_F117_F078)] ; xmm7=z4H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]288
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]289 movdqa XMMWORD [wk(10)], xmm2 ; wk(10)=z3L
290 movdqa XMMWORD [wk(11)], xmm0 ; wk(11)=z3H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]291
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]292 ; (Original)
293 ; z1 = tmp0 + tmp3; z2 = tmp1 + tmp2;
294 ; tmp0 = tmp0 * 0.298631336; tmp1 = tmp1 * 2.053119869;
295 ; tmp2 = tmp2 * 3.072711026; tmp3 = tmp3 * 1.501321110;
296 ; z1 = z1 * -0.899976223; z2 = z2 * -2.562915447;
297 ; tmp0 += z1 + z3; tmp1 += z2 + z4;
298 ; tmp2 += z2 + z3; tmp3 += z1 + z4;
299 ;
300 ; (This implementation)
301 ; tmp0 = tmp0 * (0.298631336 - 0.899976223) + tmp3 * -0.899976223;
302 ; tmp1 = tmp1 * (2.053119869 - 2.562915447) + tmp2 * -2.562915447;
303 ; tmp2 = tmp1 * -2.562915447 + tmp2 * (3.072711026 - 2.562915447);
304 ; tmp3 = tmp0 * -0.899976223 + tmp3 * (1.501321110 - 0.899976223);
305 ; tmp0 += z3; tmp1 += z4;
306 ; tmp2 += z3; tmp3 += z4;
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]307
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]308 movdqa xmm2,xmm3
309 movdqa xmm0,xmm3
310 punpcklwd xmm2,xmm4
311 punpckhwd xmm0,xmm4
312 movdqa xmm3,xmm2
313 movdqa xmm4,xmm0
314 pmaddwd xmm2,[GOTOFF(ebx,PW_MF060_MF089)] ; xmm2=tmp0L
315 pmaddwd xmm0,[GOTOFF(ebx,PW_MF060_MF089)] ; xmm0=tmp0H
316 pmaddwd xmm3,[GOTOFF(ebx,PW_MF089_F060)] ; xmm3=tmp3L
317 pmaddwd xmm4,[GOTOFF(ebx,PW_MF089_F060)] ; xmm4=tmp3H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]318
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]319 paddd xmm2, XMMWORD [wk(10)] ; xmm2=tmp0L
320 paddd xmm0, XMMWORD [wk(11)] ; xmm0=tmp0H
321 paddd xmm3,xmm5 ; xmm3=tmp3L
322 paddd xmm4,xmm7 ; xmm4=tmp3H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]323
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]324 movdqa XMMWORD [wk(8)], xmm2 ; wk(8)=tmp0L
325 movdqa XMMWORD [wk(9)], xmm0 ; wk(9)=tmp0H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]326
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]327 movdqa xmm2,xmm1
328 movdqa xmm0,xmm1
329 punpcklwd xmm2,xmm6
330 punpckhwd xmm0,xmm6
331 movdqa xmm1,xmm2
332 movdqa xmm6,xmm0
333 pmaddwd xmm2,[GOTOFF(ebx,PW_MF050_MF256)] ; xmm2=tmp1L
334 pmaddwd xmm0,[GOTOFF(ebx,PW_MF050_MF256)] ; xmm0=tmp1H
335 pmaddwd xmm1,[GOTOFF(ebx,PW_MF256_F050)] ; xmm1=tmp2L
336 pmaddwd xmm6,[GOTOFF(ebx,PW_MF256_F050)] ; xmm6=tmp2H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]337
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]338 paddd xmm2,xmm5 ; xmm2=tmp1L
339 paddd xmm0,xmm7 ; xmm0=tmp1H
340 paddd xmm1, XMMWORD [wk(10)] ; xmm1=tmp2L
341 paddd xmm6, XMMWORD [wk(11)] ; xmm6=tmp2H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]342
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]343 movdqa XMMWORD [wk(10)], xmm2 ; wk(10)=tmp1L
344 movdqa XMMWORD [wk(11)], xmm0 ; wk(11)=tmp1H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]345
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]346 ; -- Final output stage
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]347
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]348 movdqa xmm5, XMMWORD [wk(0)] ; xmm5=tmp10L
349 movdqa xmm7, XMMWORD [wk(1)] ; xmm7=tmp10H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]350
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]351 movdqa xmm2,xmm5
352 movdqa xmm0,xmm7
353 paddd xmm5,xmm3 ; xmm5=data0L
354 paddd xmm7,xmm4 ; xmm7=data0H
355 psubd xmm2,xmm3 ; xmm2=data7L
356 psubd xmm0,xmm4 ; xmm0=data7H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]357
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]358 movdqa xmm3,[GOTOFF(ebx,PD_DESCALE_P1)] ; xmm3=[PD_DESCALE_P1]
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]359
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]360 paddd xmm5,xmm3
361 paddd xmm7,xmm3
362 psrad xmm5,DESCALE_P1
363 psrad xmm7,DESCALE_P1
364 paddd xmm2,xmm3
365 paddd xmm0,xmm3
366 psrad xmm2,DESCALE_P1
367 psrad xmm0,DESCALE_P1
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]368
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]369 packssdw xmm5,xmm7 ; xmm5=data0=(00 01 02 03 04 05 06 07)
370 packssdw xmm2,xmm0 ; xmm2=data7=(70 71 72 73 74 75 76 77)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]371
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]372 movdqa xmm4, XMMWORD [wk(4)] ; xmm4=tmp11L
373 movdqa xmm3, XMMWORD [wk(5)] ; xmm3=tmp11H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]374
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]375 movdqa xmm7,xmm4
376 movdqa xmm0,xmm3
377 paddd xmm4,xmm1 ; xmm4=data1L
378 paddd xmm3,xmm6 ; xmm3=data1H
379 psubd xmm7,xmm1 ; xmm7=data6L
380 psubd xmm0,xmm6 ; xmm0=data6H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]381
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]382 movdqa xmm1,[GOTOFF(ebx,PD_DESCALE_P1)] ; xmm1=[PD_DESCALE_P1]
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]383
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]384 paddd xmm4,xmm1
385 paddd xmm3,xmm1
386 psrad xmm4,DESCALE_P1
387 psrad xmm3,DESCALE_P1
388 paddd xmm7,xmm1
389 paddd xmm0,xmm1
390 psrad xmm7,DESCALE_P1
391 psrad xmm0,DESCALE_P1
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]392
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]393 packssdw xmm4,xmm3 ; xmm4=data1=(10 11 12 13 14 15 16 17)
394 packssdw xmm7,xmm0 ; xmm7=data6=(60 61 62 63 64 65 66 67)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]395
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]396 movdqa xmm6,xmm5 ; transpose coefficients(phase 1)
397 punpcklwd xmm5,xmm4 ; xmm5=(00 10 01 11 02 12 03 13)
398 punpckhwd xmm6,xmm4 ; xmm6=(04 14 05 15 06 16 07 17)
399 movdqa xmm1,xmm7 ; transpose coefficients(phase 1)
400 punpcklwd xmm7,xmm2 ; xmm7=(60 70 61 71 62 72 63 73)
401 punpckhwd xmm1,xmm2 ; xmm1=(64 74 65 75 66 76 67 77)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]402
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]403 movdqa xmm3, XMMWORD [wk(6)] ; xmm3=tmp12L
404 movdqa xmm0, XMMWORD [wk(7)] ; xmm0=tmp12H
405 movdqa xmm4, XMMWORD [wk(10)] ; xmm4=tmp1L
406 movdqa xmm2, XMMWORD [wk(11)] ; xmm2=tmp1H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]407
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]408 movdqa XMMWORD [wk(0)], xmm5 ; wk(0)=(00 10 01 11 02 12 03 13)
409 movdqa XMMWORD [wk(1)], xmm6 ; wk(1)=(04 14 05 15 06 16 07 17)
410 movdqa XMMWORD [wk(4)], xmm7 ; wk(4)=(60 70 61 71 62 72 63 73)
411 movdqa XMMWORD [wk(5)], xmm1 ; wk(5)=(64 74 65 75 66 76 67 77)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]412
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]413 movdqa xmm5,xmm3
414 movdqa xmm6,xmm0
415 paddd xmm3,xmm4 ; xmm3=data2L
416 paddd xmm0,xmm2 ; xmm0=data2H
417 psubd xmm5,xmm4 ; xmm5=data5L
418 psubd xmm6,xmm2 ; xmm6=data5H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]419
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]420 movdqa xmm7,[GOTOFF(ebx,PD_DESCALE_P1)] ; xmm7=[PD_DESCALE_P1]
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]421
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]422 paddd xmm3,xmm7
423 paddd xmm0,xmm7
424 psrad xmm3,DESCALE_P1
425 psrad xmm0,DESCALE_P1
426 paddd xmm5,xmm7
427 paddd xmm6,xmm7
428 psrad xmm5,DESCALE_P1
429 psrad xmm6,DESCALE_P1
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]430
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]431 packssdw xmm3,xmm0 ; xmm3=data2=(20 21 22 23 24 25 26 27)
432 packssdw xmm5,xmm6 ; xmm5=data5=(50 51 52 53 54 55 56 57)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]433
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]434 movdqa xmm1, XMMWORD [wk(2)] ; xmm1=tmp13L
435 movdqa xmm4, XMMWORD [wk(3)] ; xmm4=tmp13H
436 movdqa xmm2, XMMWORD [wk(8)] ; xmm2=tmp0L
437 movdqa xmm7, XMMWORD [wk(9)] ; xmm7=tmp0H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]438
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]439 movdqa xmm0,xmm1
440 movdqa xmm6,xmm4
441 paddd xmm1,xmm2 ; xmm1=data3L
442 paddd xmm4,xmm7 ; xmm4=data3H
443 psubd xmm0,xmm2 ; xmm0=data4L
444 psubd xmm6,xmm7 ; xmm6=data4H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]445
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]446 movdqa xmm2,[GOTOFF(ebx,PD_DESCALE_P1)] ; xmm2=[PD_DESCALE_P1]
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]447
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]448 paddd xmm1,xmm2
449 paddd xmm4,xmm2
450 psrad xmm1,DESCALE_P1
451 psrad xmm4,DESCALE_P1
452 paddd xmm0,xmm2
453 paddd xmm6,xmm2
454 psrad xmm0,DESCALE_P1
455 psrad xmm6,DESCALE_P1
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]456
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]457 packssdw xmm1,xmm4 ; xmm1=data3=(30 31 32 33 34 35 36 37)
458 packssdw xmm0,xmm6 ; xmm0=data4=(40 41 42 43 44 45 46 47)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]459
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]460 movdqa xmm7, XMMWORD [wk(0)] ; xmm7=(00 10 01 11 02 12 03 13)
461 movdqa xmm2, XMMWORD [wk(1)] ; xmm2=(04 14 05 15 06 16 07 17)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]462
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]463 movdqa xmm4,xmm3 ; transpose coefficients(phase 1)
464 punpcklwd xmm3,xmm1 ; xmm3=(20 30 21 31 22 32 23 33)
465 punpckhwd xmm4,xmm1 ; xmm4=(24 34 25 35 26 36 27 37)
466 movdqa xmm6,xmm0 ; transpose coefficients(phase 1)
467 punpcklwd xmm0,xmm5 ; xmm0=(40 50 41 51 42 52 43 53)
468 punpckhwd xmm6,xmm5 ; xmm6=(44 54 45 55 46 56 47 57)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]469
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]470 movdqa xmm1,xmm7 ; transpose coefficients(phase 2)
471 punpckldq xmm7,xmm3 ; xmm7=(00 10 20 30 01 11 21 31)
472 punpckhdq xmm1,xmm3 ; xmm1=(02 12 22 32 03 13 23 33)
473 movdqa xmm5,xmm2 ; transpose coefficients(phase 2)
474 punpckldq xmm2,xmm4 ; xmm2=(04 14 24 34 05 15 25 35)
475 punpckhdq xmm5,xmm4 ; xmm5=(06 16 26 36 07 17 27 37)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]476
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]477 movdqa xmm3, XMMWORD [wk(4)] ; xmm3=(60 70 61 71 62 72 63 73)
478 movdqa xmm4, XMMWORD [wk(5)] ; xmm4=(64 74 65 75 66 76 67 77)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]479
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]480 movdqa XMMWORD [wk(6)], xmm2 ; wk(6)=(04 14 24 34 05 15 25 35)
481 movdqa XMMWORD [wk(7)], xmm5 ; wk(7)=(06 16 26 36 07 17 27 37)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]482
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]483 movdqa xmm2,xmm0 ; transpose coefficients(phase 2)
484 punpckldq xmm0,xmm3 ; xmm0=(40 50 60 70 41 51 61 71)
485 punpckhdq xmm2,xmm3 ; xmm2=(42 52 62 72 43 53 63 73)
486 movdqa xmm5,xmm6 ; transpose coefficients(phase 2)
487 punpckldq xmm6,xmm4 ; xmm6=(44 54 64 74 45 55 65 75)
488 punpckhdq xmm5,xmm4 ; xmm5=(46 56 66 76 47 57 67 77)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]489
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]490 movdqa xmm3,xmm7 ; transpose coefficients(phase 3)
491 punpcklqdq xmm7,xmm0 ; xmm7=col0=(00 10 20 30 40 50 60 70)
492 punpckhqdq xmm3,xmm0 ; xmm3=col1=(01 11 21 31 41 51 61 71)
493 movdqa xmm4,xmm1 ; transpose coefficients(phase 3)
494 punpcklqdq xmm1,xmm2 ; xmm1=col2=(02 12 22 32 42 52 62 72)
495 punpckhqdq xmm4,xmm2 ; xmm4=col3=(03 13 23 33 43 53 63 73)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]496
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]497 movdqa xmm0, XMMWORD [wk(6)] ; xmm0=(04 14 24 34 05 15 25 35)
498 movdqa xmm2, XMMWORD [wk(7)] ; xmm2=(06 16 26 36 07 17 27 37)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]499
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]500 movdqa XMMWORD [wk(8)], xmm3 ; wk(8)=col1
501 movdqa XMMWORD [wk(9)], xmm4 ; wk(9)=col3
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]502
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]503 movdqa xmm3,xmm0 ; transpose coefficients(phase 3)
504 punpcklqdq xmm0,xmm6 ; xmm0=col4=(04 14 24 34 44 54 64 74)
505 punpckhqdq xmm3,xmm6 ; xmm3=col5=(05 15 25 35 45 55 65 75)
506 movdqa xmm4,xmm2 ; transpose coefficients(phase 3)
507 punpcklqdq xmm2,xmm5 ; xmm2=col6=(06 16 26 36 46 56 66 76)
508 punpckhqdq xmm4,xmm5 ; xmm4=col7=(07 17 27 37 47 57 67 77)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]509
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]510 movdqa XMMWORD [wk(10)], xmm3 ; wk(10)=col5
511 movdqa XMMWORD [wk(11)], xmm4 ; wk(11)=col7
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]512.column_end:
513
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]514 ; -- Prefetch the next coefficient block
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]515
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]516 prefetchnta [esi + DCTSIZE2*SIZEOF_JCOEF + 0*32]
517 prefetchnta [esi + DCTSIZE2*SIZEOF_JCOEF + 1*32]
518 prefetchnta [esi + DCTSIZE2*SIZEOF_JCOEF + 2*32]
519 prefetchnta [esi + DCTSIZE2*SIZEOF_JCOEF + 3*32]
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]520
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]521 ; ---- Pass 2: process rows from work array, store into output array.
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]522
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]523 mov eax, [original_ebp]
524 mov edi, JSAMPARRAY [output_buf(eax)] ; (JSAMPROW *)
525 mov eax, JDIMENSION [output_col(eax)]
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]526
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]527 ; -- Even part
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]528
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]529 ; xmm7=col0, xmm1=col2, xmm0=col4, xmm2=col6
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]530
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]531 ; (Original)
532 ; z1 = (z2 + z3) * 0.541196100;
533 ; tmp2 = z1 + z3 * -1.847759065;
534 ; tmp3 = z1 + z2 * 0.765366865;
535 ;
536 ; (This implementation)
537 ; tmp2 = z2 * 0.541196100 + z3 * (0.541196100 - 1.847759065);
538 ; tmp3 = z2 * (0.541196100 + 0.765366865) + z3 * 0.541196100;
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]539
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]540 movdqa xmm6,xmm1 ; xmm1=in2=z2
541 movdqa xmm5,xmm1
542 punpcklwd xmm6,xmm2 ; xmm2=in6=z3
543 punpckhwd xmm5,xmm2
544 movdqa xmm1,xmm6
545 movdqa xmm2,xmm5
546 pmaddwd xmm6,[GOTOFF(ebx,PW_F130_F054)] ; xmm6=tmp3L
547 pmaddwd xmm5,[GOTOFF(ebx,PW_F130_F054)] ; xmm5=tmp3H
548 pmaddwd xmm1,[GOTOFF(ebx,PW_F054_MF130)] ; xmm1=tmp2L
549 pmaddwd xmm2,[GOTOFF(ebx,PW_F054_MF130)] ; xmm2=tmp2H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]550
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]551 movdqa xmm3,xmm7
552 paddw xmm7,xmm0 ; xmm7=in0+in4
553 psubw xmm3,xmm0 ; xmm3=in0-in4
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]554
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]555 pxor xmm4,xmm4
556 pxor xmm0,xmm0
557 punpcklwd xmm4,xmm7 ; xmm4=tmp0L
558 punpckhwd xmm0,xmm7 ; xmm0=tmp0H
559 psrad xmm4,(16-CONST_BITS) ; psrad xmm4,16 & pslld xmm4,CONST_BITS
560 psrad xmm0,(16-CONST_BITS) ; psrad xmm0,16 & pslld xmm0,CONST_BITS
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]561
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]562 movdqa xmm7,xmm4
563 paddd xmm4,xmm6 ; xmm4=tmp10L
564 psubd xmm7,xmm6 ; xmm7=tmp13L
565 movdqa xmm6,xmm0
566 paddd xmm0,xmm5 ; xmm0=tmp10H
567 psubd xmm6,xmm5 ; xmm6=tmp13H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]568
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]569 movdqa XMMWORD [wk(0)], xmm4 ; wk(0)=tmp10L
570 movdqa XMMWORD [wk(1)], xmm0 ; wk(1)=tmp10H
571 movdqa XMMWORD [wk(2)], xmm7 ; wk(2)=tmp13L
572 movdqa XMMWORD [wk(3)], xmm6 ; wk(3)=tmp13H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]573
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]574 pxor xmm5,xmm5
575 pxor xmm4,xmm4
576 punpcklwd xmm5,xmm3 ; xmm5=tmp1L
577 punpckhwd xmm4,xmm3 ; xmm4=tmp1H
578 psrad xmm5,(16-CONST_BITS) ; psrad xmm5,16 & pslld xmm5,CONST_BITS
579 psrad xmm4,(16-CONST_BITS) ; psrad xmm4,16 & pslld xmm4,CONST_BITS
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]580
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]581 movdqa xmm0,xmm5
582 paddd xmm5,xmm1 ; xmm5=tmp11L
583 psubd xmm0,xmm1 ; xmm0=tmp12L
584 movdqa xmm7,xmm4
585 paddd xmm4,xmm2 ; xmm4=tmp11H
586 psubd xmm7,xmm2 ; xmm7=tmp12H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]587
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]588 movdqa XMMWORD [wk(4)], xmm5 ; wk(4)=tmp11L
589 movdqa XMMWORD [wk(5)], xmm4 ; wk(5)=tmp11H
590 movdqa XMMWORD [wk(6)], xmm0 ; wk(6)=tmp12L
591 movdqa XMMWORD [wk(7)], xmm7 ; wk(7)=tmp12H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]592
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]593 ; -- Odd part
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]594
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]595 movdqa xmm6, XMMWORD [wk(9)] ; xmm6=col3
596 movdqa xmm3, XMMWORD [wk(8)] ; xmm3=col1
597 movdqa xmm1, XMMWORD [wk(11)] ; xmm1=col7
598 movdqa xmm2, XMMWORD [wk(10)] ; xmm2=col5
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]599
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]600 movdqa xmm5,xmm6
601 movdqa xmm4,xmm3
602 paddw xmm5,xmm1 ; xmm5=z3
603 paddw xmm4,xmm2 ; xmm4=z4
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]604
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]605 ; (Original)
606 ; z5 = (z3 + z4) * 1.175875602;
607 ; z3 = z3 * -1.961570560; z4 = z4 * -0.390180644;
608 ; z3 += z5; z4 += z5;
609 ;
610 ; (This implementation)
611 ; z3 = z3 * (1.175875602 - 1.961570560) + z4 * 1.175875602;
612 ; z4 = z3 * 1.175875602 + z4 * (1.175875602 - 0.390180644);
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]613
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]614 movdqa xmm0,xmm5
615 movdqa xmm7,xmm5
616 punpcklwd xmm0,xmm4
617 punpckhwd xmm7,xmm4
618 movdqa xmm5,xmm0
619 movdqa xmm4,xmm7
620 pmaddwd xmm0,[GOTOFF(ebx,PW_MF078_F117)] ; xmm0=z3L
621 pmaddwd xmm7,[GOTOFF(ebx,PW_MF078_F117)] ; xmm7=z3H
622 pmaddwd xmm5,[GOTOFF(ebx,PW_F117_F078)] ; xmm5=z4L
623 pmaddwd xmm4,[GOTOFF(ebx,PW_F117_F078)] ; xmm4=z4H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]624
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]625 movdqa XMMWORD [wk(10)], xmm0 ; wk(10)=z3L
626 movdqa XMMWORD [wk(11)], xmm7 ; wk(11)=z3H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]627
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]628 ; (Original)
629 ; z1 = tmp0 + tmp3; z2 = tmp1 + tmp2;
630 ; tmp0 = tmp0 * 0.298631336; tmp1 = tmp1 * 2.053119869;
631 ; tmp2 = tmp2 * 3.072711026; tmp3 = tmp3 * 1.501321110;
632 ; z1 = z1 * -0.899976223; z2 = z2 * -2.562915447;
633 ; tmp0 += z1 + z3; tmp1 += z2 + z4;
634 ; tmp2 += z2 + z3; tmp3 += z1 + z4;
635 ;
636 ; (This implementation)
637 ; tmp0 = tmp0 * (0.298631336 - 0.899976223) + tmp3 * -0.899976223;
638 ; tmp1 = tmp1 * (2.053119869 - 2.562915447) + tmp2 * -2.562915447;
639 ; tmp2 = tmp1 * -2.562915447 + tmp2 * (3.072711026 - 2.562915447);
640 ; tmp3 = tmp0 * -0.899976223 + tmp3 * (1.501321110 - 0.899976223);
641 ; tmp0 += z3; tmp1 += z4;
642 ; tmp2 += z3; tmp3 += z4;
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]643
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]644 movdqa xmm0,xmm1
645 movdqa xmm7,xmm1
646 punpcklwd xmm0,xmm3
647 punpckhwd xmm7,xmm3
648 movdqa xmm1,xmm0
649 movdqa xmm3,xmm7
650 pmaddwd xmm0,[GOTOFF(ebx,PW_MF060_MF089)] ; xmm0=tmp0L
651 pmaddwd xmm7,[GOTOFF(ebx,PW_MF060_MF089)] ; xmm7=tmp0H
652 pmaddwd xmm1,[GOTOFF(ebx,PW_MF089_F060)] ; xmm1=tmp3L
653 pmaddwd xmm3,[GOTOFF(ebx,PW_MF089_F060)] ; xmm3=tmp3H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]654
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]655 paddd xmm0, XMMWORD [wk(10)] ; xmm0=tmp0L
656 paddd xmm7, XMMWORD [wk(11)] ; xmm7=tmp0H
657 paddd xmm1,xmm5 ; xmm1=tmp3L
658 paddd xmm3,xmm4 ; xmm3=tmp3H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]659
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]660 movdqa XMMWORD [wk(8)], xmm0 ; wk(8)=tmp0L
661 movdqa XMMWORD [wk(9)], xmm7 ; wk(9)=tmp0H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]662
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]663 movdqa xmm0,xmm2
664 movdqa xmm7,xmm2
665 punpcklwd xmm0,xmm6
666 punpckhwd xmm7,xmm6
667 movdqa xmm2,xmm0
668 movdqa xmm6,xmm7
669 pmaddwd xmm0,[GOTOFF(ebx,PW_MF050_MF256)] ; xmm0=tmp1L
670 pmaddwd xmm7,[GOTOFF(ebx,PW_MF050_MF256)] ; xmm7=tmp1H
671 pmaddwd xmm2,[GOTOFF(ebx,PW_MF256_F050)] ; xmm2=tmp2L
672 pmaddwd xmm6,[GOTOFF(ebx,PW_MF256_F050)] ; xmm6=tmp2H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]673
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]674 paddd xmm0,xmm5 ; xmm0=tmp1L
675 paddd xmm7,xmm4 ; xmm7=tmp1H
676 paddd xmm2, XMMWORD [wk(10)] ; xmm2=tmp2L
677 paddd xmm6, XMMWORD [wk(11)] ; xmm6=tmp2H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]678
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]679 movdqa XMMWORD [wk(10)], xmm0 ; wk(10)=tmp1L
680 movdqa XMMWORD [wk(11)], xmm7 ; wk(11)=tmp1H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]681
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]682 ; -- Final output stage
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]683
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]684 movdqa xmm5, XMMWORD [wk(0)] ; xmm5=tmp10L
685 movdqa xmm4, XMMWORD [wk(1)] ; xmm4=tmp10H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]686
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]687 movdqa xmm0,xmm5
688 movdqa xmm7,xmm4
689 paddd xmm5,xmm1 ; xmm5=data0L
690 paddd xmm4,xmm3 ; xmm4=data0H
691 psubd xmm0,xmm1 ; xmm0=data7L
692 psubd xmm7,xmm3 ; xmm7=data7H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]693
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]694 movdqa xmm1,[GOTOFF(ebx,PD_DESCALE_P2)] ; xmm1=[PD_DESCALE_P2]
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]695
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]696 paddd xmm5,xmm1
697 paddd xmm4,xmm1
698 psrad xmm5,DESCALE_P2
699 psrad xmm4,DESCALE_P2
700 paddd xmm0,xmm1
701 paddd xmm7,xmm1
702 psrad xmm0,DESCALE_P2
703 psrad xmm7,DESCALE_P2
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]704
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]705 packssdw xmm5,xmm4 ; xmm5=data0=(00 10 20 30 40 50 60 70)
706 packssdw xmm0,xmm7 ; xmm0=data7=(07 17 27 37 47 57 67 77)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]707
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]708 movdqa xmm3, XMMWORD [wk(4)] ; xmm3=tmp11L
709 movdqa xmm1, XMMWORD [wk(5)] ; xmm1=tmp11H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]710
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]711 movdqa xmm4,xmm3
712 movdqa xmm7,xmm1
713 paddd xmm3,xmm2 ; xmm3=data1L
714 paddd xmm1,xmm6 ; xmm1=data1H
715 psubd xmm4,xmm2 ; xmm4=data6L
716 psubd xmm7,xmm6 ; xmm7=data6H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]717
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]718 movdqa xmm2,[GOTOFF(ebx,PD_DESCALE_P2)] ; xmm2=[PD_DESCALE_P2]
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]719
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]720 paddd xmm3,xmm2
721 paddd xmm1,xmm2
722 psrad xmm3,DESCALE_P2
723 psrad xmm1,DESCALE_P2
724 paddd xmm4,xmm2
725 paddd xmm7,xmm2
726 psrad xmm4,DESCALE_P2
727 psrad xmm7,DESCALE_P2
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]728
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]729 packssdw xmm3,xmm1 ; xmm3=data1=(01 11 21 31 41 51 61 71)
730 packssdw xmm4,xmm7 ; xmm4=data6=(06 16 26 36 46 56 66 76)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]731
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]732 packsswb xmm5,xmm4 ; xmm5=(00 10 20 30 40 50 60 70 06 16 26 36 46 56 66 76)
733 packsswb xmm3,xmm0 ; xmm3=(01 11 21 31 41 51 61 71 07 17 27 37 47 57 67 77)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]734
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]735 movdqa xmm6, XMMWORD [wk(6)] ; xmm6=tmp12L
736 movdqa xmm2, XMMWORD [wk(7)] ; xmm2=tmp12H
737 movdqa xmm1, XMMWORD [wk(10)] ; xmm1=tmp1L
738 movdqa xmm7, XMMWORD [wk(11)] ; xmm7=tmp1H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]739
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]740 movdqa XMMWORD [wk(0)], xmm5 ; wk(0)=(00 10 20 30 40 50 60 70 06 16 26 36 46 56 66 76)
741 movdqa XMMWORD [wk(1)], xmm3 ; wk(1)=(01 11 21 31 41 51 61 71 07 17 27 37 47 57 67 77)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]742
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]743 movdqa xmm4,xmm6
744 movdqa xmm0,xmm2
745 paddd xmm6,xmm1 ; xmm6=data2L
746 paddd xmm2,xmm7 ; xmm2=data2H
747 psubd xmm4,xmm1 ; xmm4=data5L
748 psubd xmm0,xmm7 ; xmm0=data5H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]749
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]750 movdqa xmm5,[GOTOFF(ebx,PD_DESCALE_P2)] ; xmm5=[PD_DESCALE_P2]
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]751
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]752 paddd xmm6,xmm5
753 paddd xmm2,xmm5
754 psrad xmm6,DESCALE_P2
755 psrad xmm2,DESCALE_P2
756 paddd xmm4,xmm5
757 paddd xmm0,xmm5
758 psrad xmm4,DESCALE_P2
759 psrad xmm0,DESCALE_P2
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]760
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]761 packssdw xmm6,xmm2 ; xmm6=data2=(02 12 22 32 42 52 62 72)
762 packssdw xmm4,xmm0 ; xmm4=data5=(05 15 25 35 45 55 65 75)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]763
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]764 movdqa xmm3, XMMWORD [wk(2)] ; xmm3=tmp13L
765 movdqa xmm1, XMMWORD [wk(3)] ; xmm1=tmp13H
766 movdqa xmm7, XMMWORD [wk(8)] ; xmm7=tmp0L
767 movdqa xmm5, XMMWORD [wk(9)] ; xmm5=tmp0H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]768
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]769 movdqa xmm2,xmm3
770 movdqa xmm0,xmm1
771 paddd xmm3,xmm7 ; xmm3=data3L
772 paddd xmm1,xmm5 ; xmm1=data3H
773 psubd xmm2,xmm7 ; xmm2=data4L
774 psubd xmm0,xmm5 ; xmm0=data4H
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]775
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]776 movdqa xmm7,[GOTOFF(ebx,PD_DESCALE_P2)] ; xmm7=[PD_DESCALE_P2]
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]777
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]778 paddd xmm3,xmm7
779 paddd xmm1,xmm7
780 psrad xmm3,DESCALE_P2
781 psrad xmm1,DESCALE_P2
782 paddd xmm2,xmm7
783 paddd xmm0,xmm7
784 psrad xmm2,DESCALE_P2
785 psrad xmm0,DESCALE_P2
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]786
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]787 movdqa xmm5,[GOTOFF(ebx,PB_CENTERJSAMP)] ; xmm5=[PB_CENTERJSAMP]
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]788
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]789 packssdw xmm3,xmm1 ; xmm3=data3=(03 13 23 33 43 53 63 73)
790 packssdw xmm2,xmm0 ; xmm2=data4=(04 14 24 34 44 54 64 74)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]791
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]792 movdqa xmm7, XMMWORD [wk(0)] ; xmm7=(00 10 20 30 40 50 60 70 06 16 26 36 46 56 66 76)
793 movdqa xmm1, XMMWORD [wk(1)] ; xmm1=(01 11 21 31 41 51 61 71 07 17 27 37 47 57 67 77)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]794
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]795 packsswb xmm6,xmm2 ; xmm6=(02 12 22 32 42 52 62 72 04 14 24 34 44 54 64 74)
796 packsswb xmm3,xmm4 ; xmm3=(03 13 23 33 43 53 63 73 05 15 25 35 45 55 65 75)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]797
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]798 paddb xmm7,xmm5
799 paddb xmm1,xmm5
800 paddb xmm6,xmm5
801 paddb xmm3,xmm5
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]802
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]803 movdqa xmm0,xmm7 ; transpose coefficients(phase 1)
804 punpcklbw xmm7,xmm1 ; xmm7=(00 01 10 11 20 21 30 31 40 41 50 51 60 61 70 71)
805 punpckhbw xmm0,xmm1 ; xmm0=(06 07 16 17 26 27 36 37 46 47 56 57 66 67 76 77)
806 movdqa xmm2,xmm6 ; transpose coefficients(phase 1)
807 punpcklbw xmm6,xmm3 ; xmm6=(02 03 12 13 22 23 32 33 42 43 52 53 62 63 72 73)
808 punpckhbw xmm2,xmm3 ; xmm2=(04 05 14 15 24 25 34 35 44 45 54 55 64 65 74 75)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]809
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]810 movdqa xmm4,xmm7 ; transpose coefficients(phase 2)
811 punpcklwd xmm7,xmm6 ; xmm7=(00 01 02 03 10 11 12 13 20 21 22 23 30 31 32 33)
812 punpckhwd xmm4,xmm6 ; xmm4=(40 41 42 43 50 51 52 53 60 61 62 63 70 71 72 73)
813 movdqa xmm5,xmm2 ; transpose coefficients(phase 2)
814 punpcklwd xmm2,xmm0 ; xmm2=(04 05 06 07 14 15 16 17 24 25 26 27 34 35 36 37)
815 punpckhwd xmm5,xmm0 ; xmm5=(44 45 46 47 54 55 56 57 64 65 66 67 74 75 76 77)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]816
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]817 movdqa xmm1,xmm7 ; transpose coefficients(phase 3)
818 punpckldq xmm7,xmm2 ; xmm7=(00 01 02 03 04 05 06 07 10 11 12 13 14 15 16 17)
819 punpckhdq xmm1,xmm2 ; xmm1=(20 21 22 23 24 25 26 27 30 31 32 33 34 35 36 37)
820 movdqa xmm3,xmm4 ; transpose coefficients(phase 3)
821 punpckldq xmm4,xmm5 ; xmm4=(40 41 42 43 44 45 46 47 50 51 52 53 54 55 56 57)
822 punpckhdq xmm3,xmm5 ; xmm3=(60 61 62 63 64 65 66 67 70 71 72 73 74 75 76 77)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]823
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]824 pshufd xmm6,xmm7,0x4E ; xmm6=(10 11 12 13 14 15 16 17 00 01 02 03 04 05 06 07)
825 pshufd xmm0,xmm1,0x4E ; xmm0=(30 31 32 33 34 35 36 37 20 21 22 23 24 25 26 27)
826 pshufd xmm2,xmm4,0x4E ; xmm2=(50 51 52 53 54 55 56 57 40 41 42 43 44 45 46 47)
827 pshufd xmm5,xmm3,0x4E ; xmm5=(70 71 72 73 74 75 76 77 60 61 62 63 64 65 66 67)
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]828
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]829 mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW]
830 mov esi, JSAMPROW [edi+2*SIZEOF_JSAMPROW]
831 movq XMM_MMWORD [edx+eax*SIZEOF_JSAMPLE], xmm7
832 movq XMM_MMWORD [esi+eax*SIZEOF_JSAMPLE], xmm1
833 mov edx, JSAMPROW [edi+4*SIZEOF_JSAMPROW]
834 mov esi, JSAMPROW [edi+6*SIZEOF_JSAMPROW]
835 movq XMM_MMWORD [edx+eax*SIZEOF_JSAMPLE], xmm4
836 movq XMM_MMWORD [esi+eax*SIZEOF_JSAMPLE], xmm3
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]837
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]838 mov edx, JSAMPROW [edi+1*SIZEOF_JSAMPROW]
839 mov esi, JSAMPROW [edi+3*SIZEOF_JSAMPROW]
840 movq XMM_MMWORD [edx+eax*SIZEOF_JSAMPLE], xmm6
841 movq XMM_MMWORD [esi+eax*SIZEOF_JSAMPLE], xmm0
842 mov edx, JSAMPROW [edi+5*SIZEOF_JSAMPROW]
843 mov esi, JSAMPROW [edi+7*SIZEOF_JSAMPROW]
844 movq XMM_MMWORD [edx+eax*SIZEOF_JSAMPLE], xmm2
845 movq XMM_MMWORD [esi+eax*SIZEOF_JSAMPLE], xmm5
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]846
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]847 pop edi
848 pop esi
849; pop edx ; need not be preserved
850; pop ecx ; unused
851 poppic ebx
852 mov esp,ebp ; esp <- aligned ebp
853 pop esp ; esp <- original ebp
854 pop ebp
855 ret
MIYASAKA Masarua2e6a9d2006-02-04 00:00:00 +0000[diff] [blame]856
DRC132b5fd2009-10-08 09:04:56 +0000[diff] [blame]857; For some reason, the OS X linker does not honor the request to align the
858; segment unless we do this.
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]859 align 16