MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 1 | ; |
DRC | 72130be | 2014-05-09 20:14:26 +0000 | [diff] [blame] | 2 | ; jidctint.asm - accurate integer IDCT (SSE2) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 3 | ; |
Pierre Ossman | eea7215 | 2009-03-09 13:34:17 +0000 | [diff] [blame] | 4 | ; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB |
| 5 | ; |
| 6 | ; Based on |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 22 | ; [TAB8] |
| 23 | |
Pierre Ossman | 3a65ef4 | 2009-03-16 13:34:18 +0000 | [diff] [blame] | 24 | %include "jsimdext.inc" |
| 25 | %include "jdct.inc" |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 26 | |
| 27 | ; -------------------------------------------------------------------------- |
| 28 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 29 | %define CONST_BITS 13 |
| 30 | %define PASS1_BITS 2 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 31 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 32 | %define DESCALE_P1 (CONST_BITS-PASS1_BITS) |
| 33 | %define DESCALE_P2 (CONST_BITS+PASS1_BITS+3) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 34 | |
| 35 | %if CONST_BITS == 13 |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 36 | F_0_298 equ 2446 ; FIX(0.298631336) |
| 37 | F_0_390 equ 3196 ; FIX(0.390180644) |
| 38 | F_0_541 equ 4433 ; FIX(0.541196100) |
| 39 | F_0_765 equ 6270 ; FIX(0.765366865) |
| 40 | F_0_899 equ 7373 ; FIX(0.899976223) |
| 41 | F_1_175 equ 9633 ; FIX(1.175875602) |
| 42 | F_1_501 equ 12299 ; FIX(1.501321110) |
| 43 | F_1_847 equ 15137 ; FIX(1.847759065) |
| 44 | F_1_961 equ 16069 ; FIX(1.961570560) |
| 45 | F_2_053 equ 16819 ; FIX(2.053119869) |
| 46 | F_2_562 equ 20995 ; FIX(2.562915447) |
| 47 | F_3_072 equ 25172 ; FIX(3.072711026) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 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)) |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 51 | F_0_298 equ DESCALE( 320652955,30-CONST_BITS) ; FIX(0.298631336) |
| 52 | F_0_390 equ DESCALE( 418953276,30-CONST_BITS) ; FIX(0.390180644) |
| 53 | F_0_541 equ DESCALE( 581104887,30-CONST_BITS) ; FIX(0.541196100) |
| 54 | F_0_765 equ DESCALE( 821806413,30-CONST_BITS) ; FIX(0.765366865) |
| 55 | F_0_899 equ DESCALE( 966342111,30-CONST_BITS) ; FIX(0.899976223) |
| 56 | F_1_175 equ DESCALE(1262586813,30-CONST_BITS) ; FIX(1.175875602) |
| 57 | F_1_501 equ DESCALE(1612031267,30-CONST_BITS) ; FIX(1.501321110) |
| 58 | F_1_847 equ DESCALE(1984016188,30-CONST_BITS) ; FIX(1.847759065) |
| 59 | F_1_961 equ DESCALE(2106220350,30-CONST_BITS) ; FIX(1.961570560) |
| 60 | F_2_053 equ DESCALE(2204520673,30-CONST_BITS) ; FIX(2.053119869) |
| 61 | F_2_562 equ DESCALE(2751909506,30-CONST_BITS) ; FIX(2.562915447) |
| 62 | F_3_072 equ DESCALE(3299298341,30-CONST_BITS) ; FIX(3.072711026) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 63 | %endif |
| 64 | |
| 65 | ; -------------------------------------------------------------------------- |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 66 | SECTION SEG_CONST |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 67 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 68 | alignz 16 |
| 69 | global EXTN(jconst_idct_islow_sse2) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 70 | |
| 71 | EXTN(jconst_idct_islow_sse2): |
| 72 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 73 | PW_F130_F054 times 4 dw (F_0_541+F_0_765), F_0_541 |
| 74 | PW_F054_MF130 times 4 dw F_0_541, (F_0_541-F_1_847) |
| 75 | PW_MF078_F117 times 4 dw (F_1_175-F_1_961), F_1_175 |
| 76 | PW_F117_F078 times 4 dw F_1_175, (F_1_175-F_0_390) |
| 77 | PW_MF060_MF089 times 4 dw (F_0_298-F_0_899),-F_0_899 |
| 78 | PW_MF089_F060 times 4 dw -F_0_899, (F_1_501-F_0_899) |
| 79 | PW_MF050_MF256 times 4 dw (F_2_053-F_2_562),-F_2_562 |
| 80 | PW_MF256_F050 times 4 dw -F_2_562, (F_3_072-F_2_562) |
| 81 | PD_DESCALE_P1 times 4 dd 1 << (DESCALE_P1-1) |
| 82 | PD_DESCALE_P2 times 4 dd 1 << (DESCALE_P2-1) |
| 83 | PB_CENTERJSAMP times 16 db CENTERJSAMPLE |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 84 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 85 | alignz 16 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 86 | |
| 87 | ; -------------------------------------------------------------------------- |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 88 | SECTION SEG_TEXT |
| 89 | BITS 32 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 90 | ; |
| 91 | ; Perform dequantization and inverse DCT on one block of coefficients. |
| 92 | ; |
| 93 | ; GLOBAL(void) |
Pierre Ossman | eea7215 | 2009-03-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 96 | ; |
| 97 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 102 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 106 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 107 | align 16 |
| 108 | global EXTN(jsimd_idct_islow_sse2) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 109 | |
Pierre Ossman | eea7215 | 2009-03-09 13:34:17 +0000 | [diff] [blame] | 110 | EXTN(jsimd_idct_islow_sse2): |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 123 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 124 | get_GOT ebx ; get GOT address |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 125 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 126 | ; ---- Pass 1: process columns from input. |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 127 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 131 | |
| 132 | %ifndef NO_ZERO_COLUMN_TEST_ISLOW_SSE2 |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 136 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 150 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 151 | ; -- AC terms all zero |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 152 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 155 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 156 | psllw xmm5,PASS1_BITS |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 157 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 161 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 170 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 177 | %endif |
| 178 | .columnDCT: |
| 179 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 180 | ; -- Even part |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 181 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 190 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 199 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 210 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 214 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 221 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 228 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 233 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 240 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 247 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 252 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 253 | ; -- Odd part |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 254 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 263 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 268 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 277 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 288 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 291 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 307 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 318 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 323 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 326 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 337 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 342 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 345 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 346 | ; -- Final output stage |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 347 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 348 | movdqa xmm5, XMMWORD [wk(0)] ; xmm5=tmp10L |
| 349 | movdqa xmm7, XMMWORD [wk(1)] ; xmm7=tmp10H |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 350 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 357 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 358 | movdqa xmm3,[GOTOFF(ebx,PD_DESCALE_P1)] ; xmm3=[PD_DESCALE_P1] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 359 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 368 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 371 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 372 | movdqa xmm4, XMMWORD [wk(4)] ; xmm4=tmp11L |
| 373 | movdqa xmm3, XMMWORD [wk(5)] ; xmm3=tmp11H |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 374 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 381 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 382 | movdqa xmm1,[GOTOFF(ebx,PD_DESCALE_P1)] ; xmm1=[PD_DESCALE_P1] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 383 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 392 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 395 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 402 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 407 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 412 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 419 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 420 | movdqa xmm7,[GOTOFF(ebx,PD_DESCALE_P1)] ; xmm7=[PD_DESCALE_P1] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 421 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 430 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 433 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 438 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 445 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 446 | movdqa xmm2,[GOTOFF(ebx,PD_DESCALE_P1)] ; xmm2=[PD_DESCALE_P1] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 447 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 456 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 459 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 462 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 469 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 476 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 479 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 482 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 489 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 496 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 499 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 502 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 509 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 512 | .column_end: |
| 513 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 514 | ; -- Prefetch the next coefficient block |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 515 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 520 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 521 | ; ---- Pass 2: process rows from work array, store into output array. |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 522 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 526 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 527 | ; -- Even part |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 528 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 529 | ; xmm7=col0, xmm1=col2, xmm0=col4, xmm2=col6 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 530 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 539 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 550 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 554 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 561 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 568 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 573 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 580 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 587 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 592 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 593 | ; -- Odd part |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 594 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 599 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 604 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 613 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 624 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 627 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 643 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 654 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 659 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 662 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 673 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 678 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 681 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 682 | ; -- Final output stage |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 683 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 684 | movdqa xmm5, XMMWORD [wk(0)] ; xmm5=tmp10L |
| 685 | movdqa xmm4, XMMWORD [wk(1)] ; xmm4=tmp10H |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 686 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 693 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 694 | movdqa xmm1,[GOTOFF(ebx,PD_DESCALE_P2)] ; xmm1=[PD_DESCALE_P2] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 695 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 704 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 707 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 708 | movdqa xmm3, XMMWORD [wk(4)] ; xmm3=tmp11L |
| 709 | movdqa xmm1, XMMWORD [wk(5)] ; xmm1=tmp11H |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 710 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 717 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 718 | movdqa xmm2,[GOTOFF(ebx,PD_DESCALE_P2)] ; xmm2=[PD_DESCALE_P2] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 719 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 728 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 731 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 734 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 739 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 742 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 749 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 750 | movdqa xmm5,[GOTOFF(ebx,PD_DESCALE_P2)] ; xmm5=[PD_DESCALE_P2] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 751 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 760 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 763 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 768 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 775 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 776 | movdqa xmm7,[GOTOFF(ebx,PD_DESCALE_P2)] ; xmm7=[PD_DESCALE_P2] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 777 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 786 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 787 | movdqa xmm5,[GOTOFF(ebx,PB_CENTERJSAMP)] ; xmm5=[PB_CENTERJSAMP] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 788 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 791 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 794 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 797 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 798 | paddb xmm7,xmm5 |
| 799 | paddb xmm1,xmm5 |
| 800 | paddb xmm6,xmm5 |
| 801 | paddb xmm3,xmm5 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 802 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 809 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 816 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 823 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 828 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 837 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 846 | |
DRC | e5eaf37 | 2014-05-09 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 Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 856 | |
DRC | 132b5fd | 2009-10-08 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. |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 859 | align 16 |