DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 1 | ; |
DRC | 72130be | 2014-05-09 20:14:26 +0000 | [diff] [blame] | 2 | ; jfdctint.asm - accurate integer FDCT (64-bit SSE2) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 3 | ; |
| 4 | ; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB |
| 5 | ; Copyright 2009 D. R. Commander |
| 6 | ; |
| 7 | ; Based on |
| 8 | ; x86 SIMD extension for IJG JPEG library |
| 9 | ; Copyright (C) 1999-2006, MIYASAKA Masaru. |
| 10 | ; For conditions of distribution and use, see copyright notice in jsimdext.inc |
| 11 | ; |
| 12 | ; This file should be assembled with NASM (Netwide Assembler), |
| 13 | ; can *not* be assembled with Microsoft's MASM or any compatible |
| 14 | ; assembler (including Borland's Turbo Assembler). |
| 15 | ; NASM is available from http://nasm.sourceforge.net/ or |
| 16 | ; http://sourceforge.net/project/showfiles.php?group_id=6208 |
| 17 | ; |
| 18 | ; This file contains a slow-but-accurate integer implementation of the |
| 19 | ; forward DCT (Discrete Cosine Transform). The following code is based |
| 20 | ; directly on the IJG's original jfdctint.c; see the jfdctint.c for |
| 21 | ; more details. |
| 22 | ; |
| 23 | ; [TAB8] |
| 24 | |
| 25 | %include "jsimdext.inc" |
| 26 | %include "jdct.inc" |
| 27 | |
| 28 | ; -------------------------------------------------------------------------- |
| 29 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 30 | %define CONST_BITS 13 |
| 31 | %define PASS1_BITS 2 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 32 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 33 | %define DESCALE_P1 (CONST_BITS-PASS1_BITS) |
| 34 | %define DESCALE_P2 (CONST_BITS+PASS1_BITS) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 35 | |
| 36 | %if CONST_BITS == 13 |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 37 | F_0_298 equ 2446 ; FIX(0.298631336) |
| 38 | F_0_390 equ 3196 ; FIX(0.390180644) |
| 39 | F_0_541 equ 4433 ; FIX(0.541196100) |
| 40 | F_0_765 equ 6270 ; FIX(0.765366865) |
| 41 | F_0_899 equ 7373 ; FIX(0.899976223) |
| 42 | F_1_175 equ 9633 ; FIX(1.175875602) |
| 43 | F_1_501 equ 12299 ; FIX(1.501321110) |
| 44 | F_1_847 equ 15137 ; FIX(1.847759065) |
| 45 | F_1_961 equ 16069 ; FIX(1.961570560) |
| 46 | F_2_053 equ 16819 ; FIX(2.053119869) |
| 47 | F_2_562 equ 20995 ; FIX(2.562915447) |
| 48 | F_3_072 equ 25172 ; FIX(3.072711026) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 49 | %else |
| 50 | ; NASM cannot do compile-time arithmetic on floating-point constants. |
| 51 | %define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n)) |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 52 | F_0_298 equ DESCALE( 320652955,30-CONST_BITS) ; FIX(0.298631336) |
| 53 | F_0_390 equ DESCALE( 418953276,30-CONST_BITS) ; FIX(0.390180644) |
| 54 | F_0_541 equ DESCALE( 581104887,30-CONST_BITS) ; FIX(0.541196100) |
| 55 | F_0_765 equ DESCALE( 821806413,30-CONST_BITS) ; FIX(0.765366865) |
| 56 | F_0_899 equ DESCALE( 966342111,30-CONST_BITS) ; FIX(0.899976223) |
| 57 | F_1_175 equ DESCALE(1262586813,30-CONST_BITS) ; FIX(1.175875602) |
| 58 | F_1_501 equ DESCALE(1612031267,30-CONST_BITS) ; FIX(1.501321110) |
| 59 | F_1_847 equ DESCALE(1984016188,30-CONST_BITS) ; FIX(1.847759065) |
| 60 | F_1_961 equ DESCALE(2106220350,30-CONST_BITS) ; FIX(1.961570560) |
| 61 | F_2_053 equ DESCALE(2204520673,30-CONST_BITS) ; FIX(2.053119869) |
| 62 | F_2_562 equ DESCALE(2751909506,30-CONST_BITS) ; FIX(2.562915447) |
| 63 | F_3_072 equ DESCALE(3299298341,30-CONST_BITS) ; FIX(3.072711026) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 64 | %endif |
| 65 | |
| 66 | ; -------------------------------------------------------------------------- |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 67 | SECTION SEG_CONST |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 68 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 69 | alignz 16 |
| 70 | global EXTN(jconst_fdct_islow_sse2) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 71 | |
| 72 | EXTN(jconst_fdct_islow_sse2): |
| 73 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 74 | PW_F130_F054 times 4 dw (F_0_541+F_0_765), F_0_541 |
| 75 | PW_F054_MF130 times 4 dw F_0_541, (F_0_541-F_1_847) |
| 76 | PW_MF078_F117 times 4 dw (F_1_175-F_1_961), F_1_175 |
| 77 | PW_F117_F078 times 4 dw F_1_175, (F_1_175-F_0_390) |
| 78 | PW_MF060_MF089 times 4 dw (F_0_298-F_0_899),-F_0_899 |
| 79 | PW_MF089_F060 times 4 dw -F_0_899, (F_1_501-F_0_899) |
| 80 | PW_MF050_MF256 times 4 dw (F_2_053-F_2_562),-F_2_562 |
| 81 | PW_MF256_F050 times 4 dw -F_2_562, (F_3_072-F_2_562) |
| 82 | PD_DESCALE_P1 times 4 dd 1 << (DESCALE_P1-1) |
| 83 | PD_DESCALE_P2 times 4 dd 1 << (DESCALE_P2-1) |
| 84 | PW_DESCALE_P2X times 8 dw 1 << (PASS1_BITS-1) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 85 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 86 | alignz 16 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 87 | |
| 88 | ; -------------------------------------------------------------------------- |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 89 | SECTION SEG_TEXT |
| 90 | BITS 64 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 91 | ; |
| 92 | ; Perform the forward DCT on one block of samples. |
| 93 | ; |
| 94 | ; GLOBAL(void) |
| 95 | ; jsimd_fdct_islow_sse2 (DCTELEM * data) |
| 96 | ; |
| 97 | |
| 98 | ; r10 = DCTELEM * data |
| 99 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 100 | %define wk(i) rbp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] |
| 101 | %define WK_NUM 6 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 102 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 103 | align 16 |
| 104 | global EXTN(jsimd_fdct_islow_sse2) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 105 | |
| 106 | EXTN(jsimd_fdct_islow_sse2): |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 107 | push rbp |
| 108 | mov rax,rsp ; rax = original rbp |
| 109 | sub rsp, byte 4 |
| 110 | and rsp, byte (-SIZEOF_XMMWORD) ; align to 128 bits |
| 111 | mov [rsp],rax |
| 112 | mov rbp,rsp ; rbp = aligned rbp |
| 113 | lea rsp, [wk(0)] |
| 114 | collect_args |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 115 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 116 | ; ---- Pass 1: process rows. |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 117 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 118 | mov rdx, r10 ; (DCTELEM *) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 119 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 120 | movdqa xmm0, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_DCTELEM)] |
| 121 | movdqa xmm1, XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_DCTELEM)] |
| 122 | movdqa xmm2, XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_DCTELEM)] |
| 123 | movdqa xmm3, XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_DCTELEM)] |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 124 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 125 | ; xmm0=(00 01 02 03 04 05 06 07), xmm2=(20 21 22 23 24 25 26 27) |
| 126 | ; xmm1=(10 11 12 13 14 15 16 17), xmm3=(30 31 32 33 34 35 36 37) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 127 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 128 | movdqa xmm4,xmm0 ; transpose coefficients(phase 1) |
| 129 | punpcklwd xmm0,xmm1 ; xmm0=(00 10 01 11 02 12 03 13) |
| 130 | punpckhwd xmm4,xmm1 ; xmm4=(04 14 05 15 06 16 07 17) |
| 131 | movdqa xmm5,xmm2 ; transpose coefficients(phase 1) |
| 132 | punpcklwd xmm2,xmm3 ; xmm2=(20 30 21 31 22 32 23 33) |
| 133 | punpckhwd xmm5,xmm3 ; xmm5=(24 34 25 35 26 36 27 37) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 134 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 135 | movdqa xmm6, XMMWORD [XMMBLOCK(4,0,rdx,SIZEOF_DCTELEM)] |
| 136 | movdqa xmm7, XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_DCTELEM)] |
| 137 | movdqa xmm1, XMMWORD [XMMBLOCK(6,0,rdx,SIZEOF_DCTELEM)] |
| 138 | movdqa xmm3, XMMWORD [XMMBLOCK(7,0,rdx,SIZEOF_DCTELEM)] |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 139 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 140 | ; xmm6=( 4 12 20 28 36 44 52 60), xmm1=( 6 14 22 30 38 46 54 62) |
| 141 | ; xmm7=( 5 13 21 29 37 45 53 61), xmm3=( 7 15 23 31 39 47 55 63) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 142 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 143 | movdqa XMMWORD [wk(0)], xmm2 ; wk(0)=(20 30 21 31 22 32 23 33) |
| 144 | movdqa XMMWORD [wk(1)], xmm5 ; wk(1)=(24 34 25 35 26 36 27 37) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 145 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 146 | movdqa xmm2,xmm6 ; transpose coefficients(phase 1) |
| 147 | punpcklwd xmm6,xmm7 ; xmm6=(40 50 41 51 42 52 43 53) |
| 148 | punpckhwd xmm2,xmm7 ; xmm2=(44 54 45 55 46 56 47 57) |
| 149 | movdqa xmm5,xmm1 ; transpose coefficients(phase 1) |
| 150 | punpcklwd xmm1,xmm3 ; xmm1=(60 70 61 71 62 72 63 73) |
| 151 | punpckhwd xmm5,xmm3 ; xmm5=(64 74 65 75 66 76 67 77) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 152 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 153 | movdqa xmm7,xmm6 ; transpose coefficients(phase 2) |
| 154 | punpckldq xmm6,xmm1 ; xmm6=(40 50 60 70 41 51 61 71) |
| 155 | punpckhdq xmm7,xmm1 ; xmm7=(42 52 62 72 43 53 63 73) |
| 156 | movdqa xmm3,xmm2 ; transpose coefficients(phase 2) |
| 157 | punpckldq xmm2,xmm5 ; xmm2=(44 54 64 74 45 55 65 75) |
| 158 | punpckhdq xmm3,xmm5 ; xmm3=(46 56 66 76 47 57 67 77) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 159 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 160 | movdqa xmm1, XMMWORD [wk(0)] ; xmm1=(20 30 21 31 22 32 23 33) |
| 161 | movdqa xmm5, XMMWORD [wk(1)] ; xmm5=(24 34 25 35 26 36 27 37) |
| 162 | movdqa XMMWORD [wk(2)], xmm7 ; wk(2)=(42 52 62 72 43 53 63 73) |
| 163 | movdqa XMMWORD [wk(3)], xmm2 ; wk(3)=(44 54 64 74 45 55 65 75) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 164 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 165 | movdqa xmm7,xmm0 ; transpose coefficients(phase 2) |
| 166 | punpckldq xmm0,xmm1 ; xmm0=(00 10 20 30 01 11 21 31) |
| 167 | punpckhdq xmm7,xmm1 ; xmm7=(02 12 22 32 03 13 23 33) |
| 168 | movdqa xmm2,xmm4 ; transpose coefficients(phase 2) |
| 169 | punpckldq xmm4,xmm5 ; xmm4=(04 14 24 34 05 15 25 35) |
| 170 | punpckhdq xmm2,xmm5 ; xmm2=(06 16 26 36 07 17 27 37) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 171 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 172 | movdqa xmm1,xmm0 ; transpose coefficients(phase 3) |
| 173 | punpcklqdq xmm0,xmm6 ; xmm0=(00 10 20 30 40 50 60 70)=data0 |
| 174 | punpckhqdq xmm1,xmm6 ; xmm1=(01 11 21 31 41 51 61 71)=data1 |
| 175 | movdqa xmm5,xmm2 ; transpose coefficients(phase 3) |
| 176 | punpcklqdq xmm2,xmm3 ; xmm2=(06 16 26 36 46 56 66 76)=data6 |
| 177 | punpckhqdq xmm5,xmm3 ; xmm5=(07 17 27 37 47 57 67 77)=data7 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 178 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 179 | movdqa xmm6,xmm1 |
| 180 | movdqa xmm3,xmm0 |
| 181 | psubw xmm1,xmm2 ; xmm1=data1-data6=tmp6 |
| 182 | psubw xmm0,xmm5 ; xmm0=data0-data7=tmp7 |
| 183 | paddw xmm6,xmm2 ; xmm6=data1+data6=tmp1 |
| 184 | paddw xmm3,xmm5 ; xmm3=data0+data7=tmp0 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 185 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 186 | movdqa xmm2, XMMWORD [wk(2)] ; xmm2=(42 52 62 72 43 53 63 73) |
| 187 | movdqa xmm5, XMMWORD [wk(3)] ; xmm5=(44 54 64 74 45 55 65 75) |
| 188 | movdqa XMMWORD [wk(0)], xmm1 ; wk(0)=tmp6 |
| 189 | movdqa XMMWORD [wk(1)], xmm0 ; wk(1)=tmp7 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 190 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 191 | movdqa xmm1,xmm7 ; transpose coefficients(phase 3) |
| 192 | punpcklqdq xmm7,xmm2 ; xmm7=(02 12 22 32 42 52 62 72)=data2 |
| 193 | punpckhqdq xmm1,xmm2 ; xmm1=(03 13 23 33 43 53 63 73)=data3 |
| 194 | movdqa xmm0,xmm4 ; transpose coefficients(phase 3) |
| 195 | punpcklqdq xmm4,xmm5 ; xmm4=(04 14 24 34 44 54 64 74)=data4 |
| 196 | punpckhqdq xmm0,xmm5 ; xmm0=(05 15 25 35 45 55 65 75)=data5 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 197 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 198 | movdqa xmm2,xmm1 |
| 199 | movdqa xmm5,xmm7 |
| 200 | paddw xmm1,xmm4 ; xmm1=data3+data4=tmp3 |
| 201 | paddw xmm7,xmm0 ; xmm7=data2+data5=tmp2 |
| 202 | psubw xmm2,xmm4 ; xmm2=data3-data4=tmp4 |
| 203 | psubw xmm5,xmm0 ; xmm5=data2-data5=tmp5 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 204 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 205 | ; -- Even part |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 206 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 207 | movdqa xmm4,xmm3 |
| 208 | movdqa xmm0,xmm6 |
| 209 | paddw xmm3,xmm1 ; xmm3=tmp10 |
| 210 | paddw xmm6,xmm7 ; xmm6=tmp11 |
| 211 | psubw xmm4,xmm1 ; xmm4=tmp13 |
| 212 | psubw xmm0,xmm7 ; xmm0=tmp12 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 213 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 214 | movdqa xmm1,xmm3 |
| 215 | paddw xmm3,xmm6 ; xmm3=tmp10+tmp11 |
| 216 | psubw xmm1,xmm6 ; xmm1=tmp10-tmp11 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 217 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 218 | psllw xmm3,PASS1_BITS ; xmm3=data0 |
| 219 | psllw xmm1,PASS1_BITS ; xmm1=data4 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 220 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 221 | movdqa XMMWORD [wk(2)], xmm3 ; wk(2)=data0 |
| 222 | movdqa XMMWORD [wk(3)], xmm1 ; wk(3)=data4 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 223 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 224 | ; (Original) |
| 225 | ; z1 = (tmp12 + tmp13) * 0.541196100; |
| 226 | ; data2 = z1 + tmp13 * 0.765366865; |
| 227 | ; data6 = z1 + tmp12 * -1.847759065; |
| 228 | ; |
| 229 | ; (This implementation) |
| 230 | ; data2 = tmp13 * (0.541196100 + 0.765366865) + tmp12 * 0.541196100; |
| 231 | ; data6 = tmp13 * 0.541196100 + tmp12 * (0.541196100 - 1.847759065); |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 232 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 233 | movdqa xmm7,xmm4 ; xmm4=tmp13 |
| 234 | movdqa xmm6,xmm4 |
| 235 | punpcklwd xmm7,xmm0 ; xmm0=tmp12 |
| 236 | punpckhwd xmm6,xmm0 |
| 237 | movdqa xmm4,xmm7 |
| 238 | movdqa xmm0,xmm6 |
| 239 | pmaddwd xmm7,[rel PW_F130_F054] ; xmm7=data2L |
| 240 | pmaddwd xmm6,[rel PW_F130_F054] ; xmm6=data2H |
| 241 | pmaddwd xmm4,[rel PW_F054_MF130] ; xmm4=data6L |
| 242 | pmaddwd xmm0,[rel PW_F054_MF130] ; xmm0=data6H |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 243 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 244 | paddd xmm7,[rel PD_DESCALE_P1] |
| 245 | paddd xmm6,[rel PD_DESCALE_P1] |
| 246 | psrad xmm7,DESCALE_P1 |
| 247 | psrad xmm6,DESCALE_P1 |
| 248 | paddd xmm4,[rel PD_DESCALE_P1] |
| 249 | paddd xmm0,[rel PD_DESCALE_P1] |
| 250 | psrad xmm4,DESCALE_P1 |
| 251 | psrad xmm0,DESCALE_P1 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 252 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 253 | packssdw xmm7,xmm6 ; xmm7=data2 |
| 254 | packssdw xmm4,xmm0 ; xmm4=data6 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 255 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 256 | movdqa XMMWORD [wk(4)], xmm7 ; wk(4)=data2 |
| 257 | movdqa XMMWORD [wk(5)], xmm4 ; wk(5)=data6 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 258 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 259 | ; -- Odd part |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 260 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 261 | movdqa xmm3, XMMWORD [wk(0)] ; xmm3=tmp6 |
| 262 | movdqa xmm1, XMMWORD [wk(1)] ; xmm1=tmp7 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 263 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 264 | movdqa xmm6,xmm2 ; xmm2=tmp4 |
| 265 | movdqa xmm0,xmm5 ; xmm5=tmp5 |
| 266 | paddw xmm6,xmm3 ; xmm6=z3 |
| 267 | paddw xmm0,xmm1 ; xmm0=z4 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +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); |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 277 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 278 | movdqa xmm7,xmm6 |
| 279 | movdqa xmm4,xmm6 |
| 280 | punpcklwd xmm7,xmm0 |
| 281 | punpckhwd xmm4,xmm0 |
| 282 | movdqa xmm6,xmm7 |
| 283 | movdqa xmm0,xmm4 |
| 284 | pmaddwd xmm7,[rel PW_MF078_F117] ; xmm7=z3L |
| 285 | pmaddwd xmm4,[rel PW_MF078_F117] ; xmm4=z3H |
| 286 | pmaddwd xmm6,[rel PW_F117_F078] ; xmm6=z4L |
| 287 | pmaddwd xmm0,[rel PW_F117_F078] ; xmm0=z4H |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 288 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 289 | movdqa XMMWORD [wk(0)], xmm7 ; wk(0)=z3L |
| 290 | movdqa XMMWORD [wk(1)], xmm4 ; wk(1)=z3H |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 291 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 292 | ; (Original) |
| 293 | ; z1 = tmp4 + tmp7; z2 = tmp5 + tmp6; |
| 294 | ; tmp4 = tmp4 * 0.298631336; tmp5 = tmp5 * 2.053119869; |
| 295 | ; tmp6 = tmp6 * 3.072711026; tmp7 = tmp7 * 1.501321110; |
| 296 | ; z1 = z1 * -0.899976223; z2 = z2 * -2.562915447; |
| 297 | ; data7 = tmp4 + z1 + z3; data5 = tmp5 + z2 + z4; |
| 298 | ; data3 = tmp6 + z2 + z3; data1 = tmp7 + z1 + z4; |
| 299 | ; |
| 300 | ; (This implementation) |
| 301 | ; tmp4 = tmp4 * (0.298631336 - 0.899976223) + tmp7 * -0.899976223; |
| 302 | ; tmp5 = tmp5 * (2.053119869 - 2.562915447) + tmp6 * -2.562915447; |
| 303 | ; tmp6 = tmp5 * -2.562915447 + tmp6 * (3.072711026 - 2.562915447); |
| 304 | ; tmp7 = tmp4 * -0.899976223 + tmp7 * (1.501321110 - 0.899976223); |
| 305 | ; data7 = tmp4 + z3; data5 = tmp5 + z4; |
| 306 | ; data3 = tmp6 + z3; data1 = tmp7 + z4; |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 307 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 308 | movdqa xmm7,xmm2 |
| 309 | movdqa xmm4,xmm2 |
| 310 | punpcklwd xmm7,xmm1 |
| 311 | punpckhwd xmm4,xmm1 |
| 312 | movdqa xmm2,xmm7 |
| 313 | movdqa xmm1,xmm4 |
| 314 | pmaddwd xmm7,[rel PW_MF060_MF089] ; xmm7=tmp4L |
| 315 | pmaddwd xmm4,[rel PW_MF060_MF089] ; xmm4=tmp4H |
| 316 | pmaddwd xmm2,[rel PW_MF089_F060] ; xmm2=tmp7L |
| 317 | pmaddwd xmm1,[rel PW_MF089_F060] ; xmm1=tmp7H |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 318 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 319 | paddd xmm7, XMMWORD [wk(0)] ; xmm7=data7L |
| 320 | paddd xmm4, XMMWORD [wk(1)] ; xmm4=data7H |
| 321 | paddd xmm2,xmm6 ; xmm2=data1L |
| 322 | paddd xmm1,xmm0 ; xmm1=data1H |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 323 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 324 | paddd xmm7,[rel PD_DESCALE_P1] |
| 325 | paddd xmm4,[rel PD_DESCALE_P1] |
| 326 | psrad xmm7,DESCALE_P1 |
| 327 | psrad xmm4,DESCALE_P1 |
| 328 | paddd xmm2,[rel PD_DESCALE_P1] |
| 329 | paddd xmm1,[rel PD_DESCALE_P1] |
| 330 | psrad xmm2,DESCALE_P1 |
| 331 | psrad xmm1,DESCALE_P1 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 332 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 333 | packssdw xmm7,xmm4 ; xmm7=data7 |
| 334 | packssdw xmm2,xmm1 ; xmm2=data1 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 335 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 336 | movdqa xmm4,xmm5 |
| 337 | movdqa xmm1,xmm5 |
| 338 | punpcklwd xmm4,xmm3 |
| 339 | punpckhwd xmm1,xmm3 |
| 340 | movdqa xmm5,xmm4 |
| 341 | movdqa xmm3,xmm1 |
| 342 | pmaddwd xmm4,[rel PW_MF050_MF256] ; xmm4=tmp5L |
| 343 | pmaddwd xmm1,[rel PW_MF050_MF256] ; xmm1=tmp5H |
| 344 | pmaddwd xmm5,[rel PW_MF256_F050] ; xmm5=tmp6L |
| 345 | pmaddwd xmm3,[rel PW_MF256_F050] ; xmm3=tmp6H |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 346 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 347 | paddd xmm4,xmm6 ; xmm4=data5L |
| 348 | paddd xmm1,xmm0 ; xmm1=data5H |
| 349 | paddd xmm5, XMMWORD [wk(0)] ; xmm5=data3L |
| 350 | paddd xmm3, XMMWORD [wk(1)] ; xmm3=data3H |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 351 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 352 | paddd xmm4,[rel PD_DESCALE_P1] |
| 353 | paddd xmm1,[rel PD_DESCALE_P1] |
| 354 | psrad xmm4,DESCALE_P1 |
| 355 | psrad xmm1,DESCALE_P1 |
| 356 | paddd xmm5,[rel PD_DESCALE_P1] |
| 357 | paddd xmm3,[rel PD_DESCALE_P1] |
| 358 | psrad xmm5,DESCALE_P1 |
| 359 | psrad xmm3,DESCALE_P1 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 360 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 361 | packssdw xmm4,xmm1 ; xmm4=data5 |
| 362 | packssdw xmm5,xmm3 ; xmm5=data3 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 363 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 364 | ; ---- Pass 2: process columns. |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 365 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 366 | movdqa xmm6, XMMWORD [wk(2)] ; xmm6=col0 |
| 367 | movdqa xmm0, XMMWORD [wk(4)] ; xmm0=col2 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 368 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 369 | ; xmm6=(00 10 20 30 40 50 60 70), xmm0=(02 12 22 32 42 52 62 72) |
| 370 | ; xmm2=(01 11 21 31 41 51 61 71), xmm5=(03 13 23 33 43 53 63 73) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 371 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 372 | movdqa xmm1,xmm6 ; transpose coefficients(phase 1) |
| 373 | punpcklwd xmm6,xmm2 ; xmm6=(00 01 10 11 20 21 30 31) |
| 374 | punpckhwd xmm1,xmm2 ; xmm1=(40 41 50 51 60 61 70 71) |
| 375 | movdqa xmm3,xmm0 ; transpose coefficients(phase 1) |
| 376 | punpcklwd xmm0,xmm5 ; xmm0=(02 03 12 13 22 23 32 33) |
| 377 | punpckhwd xmm3,xmm5 ; xmm3=(42 43 52 53 62 63 72 73) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 378 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 379 | movdqa xmm2, XMMWORD [wk(3)] ; xmm2=col4 |
| 380 | movdqa xmm5, XMMWORD [wk(5)] ; xmm5=col6 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 381 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 382 | ; xmm2=(04 14 24 34 44 54 64 74), xmm5=(06 16 26 36 46 56 66 76) |
| 383 | ; xmm4=(05 15 25 35 45 55 65 75), xmm7=(07 17 27 37 47 57 67 77) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 384 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 385 | movdqa XMMWORD [wk(0)], xmm0 ; wk(0)=(02 03 12 13 22 23 32 33) |
| 386 | movdqa XMMWORD [wk(1)], xmm3 ; wk(1)=(42 43 52 53 62 63 72 73) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 387 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 388 | movdqa xmm0,xmm2 ; transpose coefficients(phase 1) |
| 389 | punpcklwd xmm2,xmm4 ; xmm2=(04 05 14 15 24 25 34 35) |
| 390 | punpckhwd xmm0,xmm4 ; xmm0=(44 45 54 55 64 65 74 75) |
| 391 | movdqa xmm3,xmm5 ; transpose coefficients(phase 1) |
| 392 | punpcklwd xmm5,xmm7 ; xmm5=(06 07 16 17 26 27 36 37) |
| 393 | punpckhwd xmm3,xmm7 ; xmm3=(46 47 56 57 66 67 76 77) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 394 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 395 | movdqa xmm4,xmm2 ; transpose coefficients(phase 2) |
| 396 | punpckldq xmm2,xmm5 ; xmm2=(04 05 06 07 14 15 16 17) |
| 397 | punpckhdq xmm4,xmm5 ; xmm4=(24 25 26 27 34 35 36 37) |
| 398 | movdqa xmm7,xmm0 ; transpose coefficients(phase 2) |
| 399 | punpckldq xmm0,xmm3 ; xmm0=(44 45 46 47 54 55 56 57) |
| 400 | punpckhdq xmm7,xmm3 ; xmm7=(64 65 66 67 74 75 76 77) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 401 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 402 | movdqa xmm5, XMMWORD [wk(0)] ; xmm5=(02 03 12 13 22 23 32 33) |
| 403 | movdqa xmm3, XMMWORD [wk(1)] ; xmm3=(42 43 52 53 62 63 72 73) |
| 404 | movdqa XMMWORD [wk(2)], xmm4 ; wk(2)=(24 25 26 27 34 35 36 37) |
| 405 | movdqa XMMWORD [wk(3)], xmm0 ; wk(3)=(44 45 46 47 54 55 56 57) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 406 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 407 | movdqa xmm4,xmm6 ; transpose coefficients(phase 2) |
| 408 | punpckldq xmm6,xmm5 ; xmm6=(00 01 02 03 10 11 12 13) |
| 409 | punpckhdq xmm4,xmm5 ; xmm4=(20 21 22 23 30 31 32 33) |
| 410 | movdqa xmm0,xmm1 ; transpose coefficients(phase 2) |
| 411 | punpckldq xmm1,xmm3 ; xmm1=(40 41 42 43 50 51 52 53) |
| 412 | punpckhdq xmm0,xmm3 ; xmm0=(60 61 62 63 70 71 72 73) |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 413 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 414 | movdqa xmm5,xmm6 ; transpose coefficients(phase 3) |
| 415 | punpcklqdq xmm6,xmm2 ; xmm6=(00 01 02 03 04 05 06 07)=data0 |
| 416 | punpckhqdq xmm5,xmm2 ; xmm5=(10 11 12 13 14 15 16 17)=data1 |
| 417 | movdqa xmm3,xmm0 ; transpose coefficients(phase 3) |
| 418 | punpcklqdq xmm0,xmm7 ; xmm0=(60 61 62 63 64 65 66 67)=data6 |
| 419 | punpckhqdq xmm3,xmm7 ; xmm3=(70 71 72 73 74 75 76 77)=data7 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 420 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 421 | movdqa xmm2,xmm5 |
| 422 | movdqa xmm7,xmm6 |
| 423 | psubw xmm5,xmm0 ; xmm5=data1-data6=tmp6 |
| 424 | psubw xmm6,xmm3 ; xmm6=data0-data7=tmp7 |
| 425 | paddw xmm2,xmm0 ; xmm2=data1+data6=tmp1 |
| 426 | paddw xmm7,xmm3 ; xmm7=data0+data7=tmp0 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 427 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 428 | movdqa xmm0, XMMWORD [wk(2)] ; xmm0=(24 25 26 27 34 35 36 37) |
| 429 | movdqa xmm3, XMMWORD [wk(3)] ; xmm3=(44 45 46 47 54 55 56 57) |
| 430 | movdqa XMMWORD [wk(0)], xmm5 ; wk(0)=tmp6 |
| 431 | movdqa XMMWORD [wk(1)], xmm6 ; wk(1)=tmp7 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 432 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 433 | movdqa xmm5,xmm4 ; transpose coefficients(phase 3) |
| 434 | punpcklqdq xmm4,xmm0 ; xmm4=(20 21 22 23 24 25 26 27)=data2 |
| 435 | punpckhqdq xmm5,xmm0 ; xmm5=(30 31 32 33 34 35 36 37)=data3 |
| 436 | movdqa xmm6,xmm1 ; transpose coefficients(phase 3) |
| 437 | punpcklqdq xmm1,xmm3 ; xmm1=(40 41 42 43 44 45 46 47)=data4 |
| 438 | punpckhqdq xmm6,xmm3 ; xmm6=(50 51 52 53 54 55 56 57)=data5 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 439 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 440 | movdqa xmm0,xmm5 |
| 441 | movdqa xmm3,xmm4 |
| 442 | paddw xmm5,xmm1 ; xmm5=data3+data4=tmp3 |
| 443 | paddw xmm4,xmm6 ; xmm4=data2+data5=tmp2 |
| 444 | psubw xmm0,xmm1 ; xmm0=data3-data4=tmp4 |
| 445 | psubw xmm3,xmm6 ; xmm3=data2-data5=tmp5 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 446 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 447 | ; -- Even part |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 448 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 449 | movdqa xmm1,xmm7 |
| 450 | movdqa xmm6,xmm2 |
| 451 | paddw xmm7,xmm5 ; xmm7=tmp10 |
| 452 | paddw xmm2,xmm4 ; xmm2=tmp11 |
| 453 | psubw xmm1,xmm5 ; xmm1=tmp13 |
| 454 | psubw xmm6,xmm4 ; xmm6=tmp12 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 455 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 456 | movdqa xmm5,xmm7 |
| 457 | paddw xmm7,xmm2 ; xmm7=tmp10+tmp11 |
| 458 | psubw xmm5,xmm2 ; xmm5=tmp10-tmp11 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 459 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 460 | paddw xmm7,[rel PW_DESCALE_P2X] |
| 461 | paddw xmm5,[rel PW_DESCALE_P2X] |
| 462 | psraw xmm7,PASS1_BITS ; xmm7=data0 |
| 463 | psraw xmm5,PASS1_BITS ; xmm5=data4 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 464 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 465 | movdqa XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_DCTELEM)], xmm7 |
| 466 | movdqa XMMWORD [XMMBLOCK(4,0,rdx,SIZEOF_DCTELEM)], xmm5 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 467 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 468 | ; (Original) |
| 469 | ; z1 = (tmp12 + tmp13) * 0.541196100; |
| 470 | ; data2 = z1 + tmp13 * 0.765366865; |
| 471 | ; data6 = z1 + tmp12 * -1.847759065; |
| 472 | ; |
| 473 | ; (This implementation) |
| 474 | ; data2 = tmp13 * (0.541196100 + 0.765366865) + tmp12 * 0.541196100; |
| 475 | ; data6 = tmp13 * 0.541196100 + tmp12 * (0.541196100 - 1.847759065); |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 476 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 477 | movdqa xmm4,xmm1 ; xmm1=tmp13 |
| 478 | movdqa xmm2,xmm1 |
| 479 | punpcklwd xmm4,xmm6 ; xmm6=tmp12 |
| 480 | punpckhwd xmm2,xmm6 |
| 481 | movdqa xmm1,xmm4 |
| 482 | movdqa xmm6,xmm2 |
| 483 | pmaddwd xmm4,[rel PW_F130_F054] ; xmm4=data2L |
| 484 | pmaddwd xmm2,[rel PW_F130_F054] ; xmm2=data2H |
| 485 | pmaddwd xmm1,[rel PW_F054_MF130] ; xmm1=data6L |
| 486 | pmaddwd xmm6,[rel PW_F054_MF130] ; xmm6=data6H |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 487 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 488 | paddd xmm4,[rel PD_DESCALE_P2] |
| 489 | paddd xmm2,[rel PD_DESCALE_P2] |
| 490 | psrad xmm4,DESCALE_P2 |
| 491 | psrad xmm2,DESCALE_P2 |
| 492 | paddd xmm1,[rel PD_DESCALE_P2] |
| 493 | paddd xmm6,[rel PD_DESCALE_P2] |
| 494 | psrad xmm1,DESCALE_P2 |
| 495 | psrad xmm6,DESCALE_P2 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 496 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 497 | packssdw xmm4,xmm2 ; xmm4=data2 |
| 498 | packssdw xmm1,xmm6 ; xmm1=data6 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 499 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 500 | movdqa XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_DCTELEM)], xmm4 |
| 501 | movdqa XMMWORD [XMMBLOCK(6,0,rdx,SIZEOF_DCTELEM)], xmm1 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 502 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 503 | ; -- Odd part |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 504 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 505 | movdqa xmm7, XMMWORD [wk(0)] ; xmm7=tmp6 |
| 506 | movdqa xmm5, XMMWORD [wk(1)] ; xmm5=tmp7 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 507 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 508 | movdqa xmm2,xmm0 ; xmm0=tmp4 |
| 509 | movdqa xmm6,xmm3 ; xmm3=tmp5 |
| 510 | paddw xmm2,xmm7 ; xmm2=z3 |
| 511 | paddw xmm6,xmm5 ; xmm6=z4 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 512 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 513 | ; (Original) |
| 514 | ; z5 = (z3 + z4) * 1.175875602; |
| 515 | ; z3 = z3 * -1.961570560; z4 = z4 * -0.390180644; |
| 516 | ; z3 += z5; z4 += z5; |
| 517 | ; |
| 518 | ; (This implementation) |
| 519 | ; z3 = z3 * (1.175875602 - 1.961570560) + z4 * 1.175875602; |
| 520 | ; z4 = z3 * 1.175875602 + z4 * (1.175875602 - 0.390180644); |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 521 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 522 | movdqa xmm4,xmm2 |
| 523 | movdqa xmm1,xmm2 |
| 524 | punpcklwd xmm4,xmm6 |
| 525 | punpckhwd xmm1,xmm6 |
| 526 | movdqa xmm2,xmm4 |
| 527 | movdqa xmm6,xmm1 |
| 528 | pmaddwd xmm4,[rel PW_MF078_F117] ; xmm4=z3L |
| 529 | pmaddwd xmm1,[rel PW_MF078_F117] ; xmm1=z3H |
| 530 | pmaddwd xmm2,[rel PW_F117_F078] ; xmm2=z4L |
| 531 | pmaddwd xmm6,[rel PW_F117_F078] ; xmm6=z4H |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 532 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 533 | movdqa XMMWORD [wk(0)], xmm4 ; wk(0)=z3L |
| 534 | movdqa XMMWORD [wk(1)], xmm1 ; wk(1)=z3H |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 535 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 536 | ; (Original) |
| 537 | ; z1 = tmp4 + tmp7; z2 = tmp5 + tmp6; |
| 538 | ; tmp4 = tmp4 * 0.298631336; tmp5 = tmp5 * 2.053119869; |
| 539 | ; tmp6 = tmp6 * 3.072711026; tmp7 = tmp7 * 1.501321110; |
| 540 | ; z1 = z1 * -0.899976223; z2 = z2 * -2.562915447; |
| 541 | ; data7 = tmp4 + z1 + z3; data5 = tmp5 + z2 + z4; |
| 542 | ; data3 = tmp6 + z2 + z3; data1 = tmp7 + z1 + z4; |
| 543 | ; |
| 544 | ; (This implementation) |
| 545 | ; tmp4 = tmp4 * (0.298631336 - 0.899976223) + tmp7 * -0.899976223; |
| 546 | ; tmp5 = tmp5 * (2.053119869 - 2.562915447) + tmp6 * -2.562915447; |
| 547 | ; tmp6 = tmp5 * -2.562915447 + tmp6 * (3.072711026 - 2.562915447); |
| 548 | ; tmp7 = tmp4 * -0.899976223 + tmp7 * (1.501321110 - 0.899976223); |
| 549 | ; data7 = tmp4 + z3; data5 = tmp5 + z4; |
| 550 | ; data3 = tmp6 + z3; data1 = tmp7 + z4; |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 551 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 552 | movdqa xmm4,xmm0 |
| 553 | movdqa xmm1,xmm0 |
| 554 | punpcklwd xmm4,xmm5 |
| 555 | punpckhwd xmm1,xmm5 |
| 556 | movdqa xmm0,xmm4 |
| 557 | movdqa xmm5,xmm1 |
| 558 | pmaddwd xmm4,[rel PW_MF060_MF089] ; xmm4=tmp4L |
| 559 | pmaddwd xmm1,[rel PW_MF060_MF089] ; xmm1=tmp4H |
| 560 | pmaddwd xmm0,[rel PW_MF089_F060] ; xmm0=tmp7L |
| 561 | pmaddwd xmm5,[rel PW_MF089_F060] ; xmm5=tmp7H |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 562 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 563 | paddd xmm4, XMMWORD [wk(0)] ; xmm4=data7L |
| 564 | paddd xmm1, XMMWORD [wk(1)] ; xmm1=data7H |
| 565 | paddd xmm0,xmm2 ; xmm0=data1L |
| 566 | paddd xmm5,xmm6 ; xmm5=data1H |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 567 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 568 | paddd xmm4,[rel PD_DESCALE_P2] |
| 569 | paddd xmm1,[rel PD_DESCALE_P2] |
| 570 | psrad xmm4,DESCALE_P2 |
| 571 | psrad xmm1,DESCALE_P2 |
| 572 | paddd xmm0,[rel PD_DESCALE_P2] |
| 573 | paddd xmm5,[rel PD_DESCALE_P2] |
| 574 | psrad xmm0,DESCALE_P2 |
| 575 | psrad xmm5,DESCALE_P2 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 576 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 577 | packssdw xmm4,xmm1 ; xmm4=data7 |
| 578 | packssdw xmm0,xmm5 ; xmm0=data1 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 579 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 580 | movdqa XMMWORD [XMMBLOCK(7,0,rdx,SIZEOF_DCTELEM)], xmm4 |
| 581 | movdqa XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_DCTELEM)], xmm0 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 582 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 583 | movdqa xmm1,xmm3 |
| 584 | movdqa xmm5,xmm3 |
| 585 | punpcklwd xmm1,xmm7 |
| 586 | punpckhwd xmm5,xmm7 |
| 587 | movdqa xmm3,xmm1 |
| 588 | movdqa xmm7,xmm5 |
| 589 | pmaddwd xmm1,[rel PW_MF050_MF256] ; xmm1=tmp5L |
| 590 | pmaddwd xmm5,[rel PW_MF050_MF256] ; xmm5=tmp5H |
| 591 | pmaddwd xmm3,[rel PW_MF256_F050] ; xmm3=tmp6L |
| 592 | pmaddwd xmm7,[rel PW_MF256_F050] ; xmm7=tmp6H |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 593 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 594 | paddd xmm1,xmm2 ; xmm1=data5L |
| 595 | paddd xmm5,xmm6 ; xmm5=data5H |
| 596 | paddd xmm3, XMMWORD [wk(0)] ; xmm3=data3L |
| 597 | paddd xmm7, XMMWORD [wk(1)] ; xmm7=data3H |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 598 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 599 | paddd xmm1,[rel PD_DESCALE_P2] |
| 600 | paddd xmm5,[rel PD_DESCALE_P2] |
| 601 | psrad xmm1,DESCALE_P2 |
| 602 | psrad xmm5,DESCALE_P2 |
| 603 | paddd xmm3,[rel PD_DESCALE_P2] |
| 604 | paddd xmm7,[rel PD_DESCALE_P2] |
| 605 | psrad xmm3,DESCALE_P2 |
| 606 | psrad xmm7,DESCALE_P2 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 607 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 608 | packssdw xmm1,xmm5 ; xmm1=data5 |
| 609 | packssdw xmm3,xmm7 ; xmm3=data3 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 610 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 611 | movdqa XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_DCTELEM)], xmm1 |
| 612 | movdqa XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_DCTELEM)], xmm3 |
DRC | cdc8ac3 | 2009-06-25 20:38:31 +0000 | [diff] [blame] | 613 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 614 | uncollect_args |
| 615 | mov rsp,rbp ; rsp <- aligned rbp |
| 616 | pop rsp ; rsp <- original rbp |
| 617 | pop rbp |
| 618 | ret |
DRC | 132b5fd | 2009-10-08 09:04:56 +0000 | [diff] [blame] | 619 | |
| 620 | ; For some reason, the OS X linker does not honor the request to align the |
| 621 | ; segment unless we do this. |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 622 | align 16 |