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 | ; jidctflt.asm - floating-point IDCT (SSE & 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 floating-point implementation of the inverse DCT |
| 18 | ; (Discrete Cosine Transform). The following code is based directly on |
| 19 | ; the IJG's original jidctflt.c; see the jidctflt.c for more details. |
| 20 | ; |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 21 | ; [TAB8] |
| 22 | |
Pierre Ossman | 3a65ef4 | 2009-03-16 13:34:18 +0000 | [diff] [blame] | 23 | %include "jsimdext.inc" |
| 24 | %include "jdct.inc" |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 25 | |
| 26 | ; -------------------------------------------------------------------------- |
| 27 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 28 | %macro unpcklps2 2 ; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(0 1 4 5) |
| 29 | shufps %1,%2,0x44 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 30 | %endmacro |
| 31 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 32 | %macro unpckhps2 2 ; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(2 3 6 7) |
| 33 | shufps %1,%2,0xEE |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 34 | %endmacro |
| 35 | |
| 36 | ; -------------------------------------------------------------------------- |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 37 | SECTION SEG_CONST |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 38 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 39 | alignz 16 |
| 40 | global EXTN(jconst_idct_float_sse2) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 41 | |
| 42 | EXTN(jconst_idct_float_sse2): |
| 43 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 44 | PD_1_414 times 4 dd 1.414213562373095048801689 |
| 45 | PD_1_847 times 4 dd 1.847759065022573512256366 |
| 46 | PD_1_082 times 4 dd 1.082392200292393968799446 |
| 47 | PD_M2_613 times 4 dd -2.613125929752753055713286 |
| 48 | PD_RNDINT_MAGIC times 4 dd 100663296.0 ; (float)(0x00C00000 << 3) |
| 49 | PB_CENTERJSAMP times 16 db CENTERJSAMPLE |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 50 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 51 | alignz 16 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 52 | |
| 53 | ; -------------------------------------------------------------------------- |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 54 | SECTION SEG_TEXT |
| 55 | BITS 32 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 56 | ; |
| 57 | ; Perform dequantization and inverse DCT on one block of coefficients. |
| 58 | ; |
| 59 | ; GLOBAL(void) |
DRC | bd49803 | 2016-02-19 08:53:33 -0600 | [diff] [blame] | 60 | ; jsimd_idct_float_sse2 (void *dct_table, JCOEFPTR coef_block, |
Pierre Ossman | eea7215 | 2009-03-09 13:34:17 +0000 | [diff] [blame] | 61 | ; JSAMPARRAY output_buf, JDIMENSION output_col) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 62 | ; |
| 63 | |
DRC | bd49803 | 2016-02-19 08:53:33 -0600 | [diff] [blame] | 64 | %define dct_table(b) (b)+8 ; void *dct_table |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 65 | %define coef_block(b) (b)+12 ; JCOEFPTR coef_block |
| 66 | %define output_buf(b) (b)+16 ; JSAMPARRAY output_buf |
| 67 | %define output_col(b) (b)+20 ; JDIMENSION output_col |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 68 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 69 | %define original_ebp ebp+0 |
| 70 | %define wk(i) ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] |
| 71 | %define WK_NUM 2 |
| 72 | %define workspace wk(0)-DCTSIZE2*SIZEOF_FAST_FLOAT |
| 73 | ; FAST_FLOAT workspace[DCTSIZE2] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 74 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 75 | align 16 |
| 76 | global EXTN(jsimd_idct_float_sse2) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 77 | |
Pierre Ossman | eea7215 | 2009-03-09 13:34:17 +0000 | [diff] [blame] | 78 | EXTN(jsimd_idct_float_sse2): |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 79 | push ebp |
| 80 | mov eax,esp ; eax = original ebp |
| 81 | sub esp, byte 4 |
| 82 | and esp, byte (-SIZEOF_XMMWORD) ; align to 128 bits |
| 83 | mov [esp],eax |
| 84 | mov ebp,esp ; ebp = aligned ebp |
| 85 | lea esp, [workspace] |
| 86 | push ebx |
| 87 | ; push ecx ; need not be preserved |
| 88 | ; push edx ; need not be preserved |
| 89 | push esi |
| 90 | push edi |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 91 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 92 | get_GOT ebx ; get GOT address |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 93 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 94 | ; ---- Pass 1: process columns from input, store into work array. |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 95 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 96 | ; mov eax, [original_ebp] |
| 97 | mov edx, POINTER [dct_table(eax)] ; quantptr |
| 98 | mov esi, JCOEFPTR [coef_block(eax)] ; inptr |
DRC | bd49803 | 2016-02-19 08:53:33 -0600 | [diff] [blame] | 99 | lea edi, [workspace] ; FAST_FLOAT *wsptr |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 100 | mov ecx, DCTSIZE/4 ; ctr |
| 101 | alignx 16,7 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 102 | .columnloop: |
| 103 | %ifndef NO_ZERO_COLUMN_TEST_FLOAT_SSE |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 104 | mov eax, DWORD [DWBLOCK(1,0,esi,SIZEOF_JCOEF)] |
| 105 | or eax, DWORD [DWBLOCK(2,0,esi,SIZEOF_JCOEF)] |
| 106 | jnz near .columnDCT |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 107 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 108 | movq xmm1, XMM_MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] |
| 109 | movq xmm2, XMM_MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)] |
| 110 | movq xmm3, XMM_MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] |
| 111 | movq xmm4, XMM_MMWORD [MMBLOCK(4,0,esi,SIZEOF_JCOEF)] |
| 112 | movq xmm5, XMM_MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] |
| 113 | movq xmm6, XMM_MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] |
| 114 | movq xmm7, XMM_MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] |
| 115 | por xmm1,xmm2 |
| 116 | por xmm3,xmm4 |
| 117 | por xmm5,xmm6 |
| 118 | por xmm1,xmm3 |
| 119 | por xmm5,xmm7 |
| 120 | por xmm1,xmm5 |
| 121 | packsswb xmm1,xmm1 |
| 122 | movd eax,xmm1 |
| 123 | test eax,eax |
| 124 | jnz short .columnDCT |
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 | ; -- AC terms all zero |
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 | movq xmm0, XMM_MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 129 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 130 | punpcklwd xmm0,xmm0 ; xmm0=(00 00 01 01 02 02 03 03) |
| 131 | psrad xmm0,(DWORD_BIT-WORD_BIT) ; xmm0=in0=(00 01 02 03) |
| 132 | cvtdq2ps xmm0,xmm0 ; xmm0=in0=(00 01 02 03) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 133 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 134 | mulps xmm0, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FLOAT_MULT_TYPE)] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 135 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 136 | movaps xmm1,xmm0 |
| 137 | movaps xmm2,xmm0 |
| 138 | movaps xmm3,xmm0 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 139 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 140 | shufps xmm0,xmm0,0x00 ; xmm0=(00 00 00 00) |
| 141 | shufps xmm1,xmm1,0x55 ; xmm1=(01 01 01 01) |
| 142 | shufps xmm2,xmm2,0xAA ; xmm2=(02 02 02 02) |
| 143 | shufps xmm3,xmm3,0xFF ; xmm3=(03 03 03 03) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 144 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 145 | movaps XMMWORD [XMMBLOCK(0,0,edi,SIZEOF_FAST_FLOAT)], xmm0 |
| 146 | movaps XMMWORD [XMMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], xmm0 |
| 147 | movaps XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], xmm1 |
| 148 | movaps XMMWORD [XMMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], xmm1 |
| 149 | movaps XMMWORD [XMMBLOCK(2,0,edi,SIZEOF_FAST_FLOAT)], xmm2 |
| 150 | movaps XMMWORD [XMMBLOCK(2,1,edi,SIZEOF_FAST_FLOAT)], xmm2 |
| 151 | movaps XMMWORD [XMMBLOCK(3,0,edi,SIZEOF_FAST_FLOAT)], xmm3 |
| 152 | movaps XMMWORD [XMMBLOCK(3,1,edi,SIZEOF_FAST_FLOAT)], xmm3 |
| 153 | jmp near .nextcolumn |
| 154 | alignx 16,7 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 155 | %endif |
| 156 | .columnDCT: |
| 157 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 158 | ; -- Even part |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 159 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 160 | movq xmm0, XMM_MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] |
| 161 | movq xmm1, XMM_MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)] |
| 162 | movq xmm2, XMM_MMWORD [MMBLOCK(4,0,esi,SIZEOF_JCOEF)] |
| 163 | movq xmm3, XMM_MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 164 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 165 | punpcklwd xmm0,xmm0 ; xmm0=(00 00 01 01 02 02 03 03) |
| 166 | punpcklwd xmm1,xmm1 ; xmm1=(20 20 21 21 22 22 23 23) |
| 167 | psrad xmm0,(DWORD_BIT-WORD_BIT) ; xmm0=in0=(00 01 02 03) |
| 168 | psrad xmm1,(DWORD_BIT-WORD_BIT) ; xmm1=in2=(20 21 22 23) |
| 169 | cvtdq2ps xmm0,xmm0 ; xmm0=in0=(00 01 02 03) |
| 170 | cvtdq2ps xmm1,xmm1 ; xmm1=in2=(20 21 22 23) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 171 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 172 | punpcklwd xmm2,xmm2 ; xmm2=(40 40 41 41 42 42 43 43) |
| 173 | punpcklwd xmm3,xmm3 ; xmm3=(60 60 61 61 62 62 63 63) |
| 174 | psrad xmm2,(DWORD_BIT-WORD_BIT) ; xmm2=in4=(40 41 42 43) |
| 175 | psrad xmm3,(DWORD_BIT-WORD_BIT) ; xmm3=in6=(60 61 62 63) |
| 176 | cvtdq2ps xmm2,xmm2 ; xmm2=in4=(40 41 42 43) |
| 177 | cvtdq2ps xmm3,xmm3 ; xmm3=in6=(60 61 62 63) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 178 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 179 | mulps xmm0, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FLOAT_MULT_TYPE)] |
| 180 | mulps xmm1, XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_FLOAT_MULT_TYPE)] |
| 181 | mulps xmm2, XMMWORD [XMMBLOCK(4,0,edx,SIZEOF_FLOAT_MULT_TYPE)] |
| 182 | mulps xmm3, XMMWORD [XMMBLOCK(6,0,edx,SIZEOF_FLOAT_MULT_TYPE)] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 183 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 184 | movaps xmm4,xmm0 |
| 185 | movaps xmm5,xmm1 |
| 186 | subps xmm0,xmm2 ; xmm0=tmp11 |
| 187 | subps xmm1,xmm3 |
| 188 | addps xmm4,xmm2 ; xmm4=tmp10 |
| 189 | addps xmm5,xmm3 ; xmm5=tmp13 |
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 | mulps xmm1,[GOTOFF(ebx,PD_1_414)] |
| 192 | subps xmm1,xmm5 ; xmm1=tmp12 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 193 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 194 | movaps xmm6,xmm4 |
| 195 | movaps xmm7,xmm0 |
| 196 | subps xmm4,xmm5 ; xmm4=tmp3 |
| 197 | subps xmm0,xmm1 ; xmm0=tmp2 |
| 198 | addps xmm6,xmm5 ; xmm6=tmp0 |
| 199 | addps xmm7,xmm1 ; xmm7=tmp1 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 200 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 201 | movaps XMMWORD [wk(1)], xmm4 ; tmp3 |
| 202 | movaps XMMWORD [wk(0)], xmm0 ; tmp2 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 203 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 204 | ; -- Odd part |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 205 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 206 | movq xmm2, XMM_MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] |
| 207 | movq xmm3, XMM_MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] |
| 208 | movq xmm5, XMM_MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] |
| 209 | movq xmm1, XMM_MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] |
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 | punpcklwd xmm2,xmm2 ; xmm2=(10 10 11 11 12 12 13 13) |
| 212 | punpcklwd xmm3,xmm3 ; xmm3=(30 30 31 31 32 32 33 33) |
| 213 | psrad xmm2,(DWORD_BIT-WORD_BIT) ; xmm2=in1=(10 11 12 13) |
| 214 | psrad xmm3,(DWORD_BIT-WORD_BIT) ; xmm3=in3=(30 31 32 33) |
| 215 | cvtdq2ps xmm2,xmm2 ; xmm2=in1=(10 11 12 13) |
| 216 | cvtdq2ps xmm3,xmm3 ; xmm3=in3=(30 31 32 33) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 217 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 218 | punpcklwd xmm5,xmm5 ; xmm5=(50 50 51 51 52 52 53 53) |
| 219 | punpcklwd xmm1,xmm1 ; xmm1=(70 70 71 71 72 72 73 73) |
| 220 | psrad xmm5,(DWORD_BIT-WORD_BIT) ; xmm5=in5=(50 51 52 53) |
| 221 | psrad xmm1,(DWORD_BIT-WORD_BIT) ; xmm1=in7=(70 71 72 73) |
| 222 | cvtdq2ps xmm5,xmm5 ; xmm5=in5=(50 51 52 53) |
| 223 | cvtdq2ps xmm1,xmm1 ; xmm1=in7=(70 71 72 73) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 224 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 225 | mulps xmm2, XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_FLOAT_MULT_TYPE)] |
| 226 | mulps xmm3, XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_FLOAT_MULT_TYPE)] |
| 227 | mulps xmm5, XMMWORD [XMMBLOCK(5,0,edx,SIZEOF_FLOAT_MULT_TYPE)] |
| 228 | mulps xmm1, XMMWORD [XMMBLOCK(7,0,edx,SIZEOF_FLOAT_MULT_TYPE)] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 229 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 230 | movaps xmm4,xmm2 |
| 231 | movaps xmm0,xmm5 |
| 232 | addps xmm2,xmm1 ; xmm2=z11 |
| 233 | addps xmm5,xmm3 ; xmm5=z13 |
| 234 | subps xmm4,xmm1 ; xmm4=z12 |
| 235 | subps xmm0,xmm3 ; xmm0=z10 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 236 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 237 | movaps xmm1,xmm2 |
| 238 | subps xmm2,xmm5 |
| 239 | addps xmm1,xmm5 ; xmm1=tmp7 |
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 | mulps xmm2,[GOTOFF(ebx,PD_1_414)] ; xmm2=tmp11 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 242 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 243 | movaps xmm3,xmm0 |
| 244 | addps xmm0,xmm4 |
| 245 | mulps xmm0,[GOTOFF(ebx,PD_1_847)] ; xmm0=z5 |
| 246 | mulps xmm3,[GOTOFF(ebx,PD_M2_613)] ; xmm3=(z10 * -2.613125930) |
| 247 | mulps xmm4,[GOTOFF(ebx,PD_1_082)] ; xmm4=(z12 * 1.082392200) |
| 248 | addps xmm3,xmm0 ; xmm3=tmp12 |
| 249 | subps xmm4,xmm0 ; xmm4=tmp10 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 250 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 251 | ; -- Final output stage |
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 | subps xmm3,xmm1 ; xmm3=tmp6 |
| 254 | movaps xmm5,xmm6 |
| 255 | movaps xmm0,xmm7 |
| 256 | addps xmm6,xmm1 ; xmm6=data0=(00 01 02 03) |
| 257 | addps xmm7,xmm3 ; xmm7=data1=(10 11 12 13) |
| 258 | subps xmm5,xmm1 ; xmm5=data7=(70 71 72 73) |
| 259 | subps xmm0,xmm3 ; xmm0=data6=(60 61 62 63) |
| 260 | subps xmm2,xmm3 ; xmm2=tmp5 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 261 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 262 | movaps xmm1,xmm6 ; transpose coefficients(phase 1) |
| 263 | unpcklps xmm6,xmm7 ; xmm6=(00 10 01 11) |
| 264 | unpckhps xmm1,xmm7 ; xmm1=(02 12 03 13) |
| 265 | movaps xmm3,xmm0 ; transpose coefficients(phase 1) |
| 266 | unpcklps xmm0,xmm5 ; xmm0=(60 70 61 71) |
| 267 | unpckhps xmm3,xmm5 ; xmm3=(62 72 63 73) |
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 | movaps xmm7, XMMWORD [wk(0)] ; xmm7=tmp2 |
| 270 | movaps xmm5, XMMWORD [wk(1)] ; xmm5=tmp3 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 271 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 272 | movaps XMMWORD [wk(0)], xmm0 ; wk(0)=(60 70 61 71) |
| 273 | movaps XMMWORD [wk(1)], xmm3 ; wk(1)=(62 72 63 73) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 274 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 275 | addps xmm4,xmm2 ; xmm4=tmp4 |
| 276 | movaps xmm0,xmm7 |
| 277 | movaps xmm3,xmm5 |
| 278 | addps xmm7,xmm2 ; xmm7=data2=(20 21 22 23) |
| 279 | addps xmm5,xmm4 ; xmm5=data4=(40 41 42 43) |
| 280 | subps xmm0,xmm2 ; xmm0=data5=(50 51 52 53) |
| 281 | subps xmm3,xmm4 ; xmm3=data3=(30 31 32 33) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 282 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 283 | movaps xmm2,xmm7 ; transpose coefficients(phase 1) |
| 284 | unpcklps xmm7,xmm3 ; xmm7=(20 30 21 31) |
| 285 | unpckhps xmm2,xmm3 ; xmm2=(22 32 23 33) |
| 286 | movaps xmm4,xmm5 ; transpose coefficients(phase 1) |
| 287 | unpcklps xmm5,xmm0 ; xmm5=(40 50 41 51) |
| 288 | unpckhps xmm4,xmm0 ; xmm4=(42 52 43 53) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 289 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 290 | movaps xmm3,xmm6 ; transpose coefficients(phase 2) |
| 291 | unpcklps2 xmm6,xmm7 ; xmm6=(00 10 20 30) |
| 292 | unpckhps2 xmm3,xmm7 ; xmm3=(01 11 21 31) |
| 293 | movaps xmm0,xmm1 ; transpose coefficients(phase 2) |
| 294 | unpcklps2 xmm1,xmm2 ; xmm1=(02 12 22 32) |
| 295 | unpckhps2 xmm0,xmm2 ; xmm0=(03 13 23 33) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 296 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 297 | movaps xmm7, XMMWORD [wk(0)] ; xmm7=(60 70 61 71) |
| 298 | movaps xmm2, XMMWORD [wk(1)] ; xmm2=(62 72 63 73) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 299 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 300 | movaps XMMWORD [XMMBLOCK(0,0,edi,SIZEOF_FAST_FLOAT)], xmm6 |
| 301 | movaps XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], xmm3 |
| 302 | movaps XMMWORD [XMMBLOCK(2,0,edi,SIZEOF_FAST_FLOAT)], xmm1 |
| 303 | movaps XMMWORD [XMMBLOCK(3,0,edi,SIZEOF_FAST_FLOAT)], xmm0 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 304 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 305 | movaps xmm6,xmm5 ; transpose coefficients(phase 2) |
| 306 | unpcklps2 xmm5,xmm7 ; xmm5=(40 50 60 70) |
| 307 | unpckhps2 xmm6,xmm7 ; xmm6=(41 51 61 71) |
| 308 | movaps xmm3,xmm4 ; transpose coefficients(phase 2) |
| 309 | unpcklps2 xmm4,xmm2 ; xmm4=(42 52 62 72) |
| 310 | unpckhps2 xmm3,xmm2 ; xmm3=(43 53 63 73) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 311 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 312 | movaps XMMWORD [XMMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], xmm5 |
| 313 | movaps XMMWORD [XMMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], xmm6 |
| 314 | movaps XMMWORD [XMMBLOCK(2,1,edi,SIZEOF_FAST_FLOAT)], xmm4 |
| 315 | movaps XMMWORD [XMMBLOCK(3,1,edi,SIZEOF_FAST_FLOAT)], xmm3 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 316 | |
| 317 | .nextcolumn: |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 318 | add esi, byte 4*SIZEOF_JCOEF ; coef_block |
| 319 | add edx, byte 4*SIZEOF_FLOAT_MULT_TYPE ; quantptr |
| 320 | add edi, 4*DCTSIZE*SIZEOF_FAST_FLOAT ; wsptr |
| 321 | dec ecx ; ctr |
| 322 | jnz near .columnloop |
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 | ; -- Prefetch the next coefficient block |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 325 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 326 | prefetchnta [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 0*32] |
| 327 | prefetchnta [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 1*32] |
| 328 | prefetchnta [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 2*32] |
| 329 | prefetchnta [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 3*32] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 330 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 331 | ; ---- Pass 2: process rows from work array, store into output array. |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 332 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 333 | mov eax, [original_ebp] |
DRC | bd49803 | 2016-02-19 08:53:33 -0600 | [diff] [blame] | 334 | lea esi, [workspace] ; FAST_FLOAT *wsptr |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 335 | mov edi, JSAMPARRAY [output_buf(eax)] ; (JSAMPROW *) |
| 336 | mov eax, JDIMENSION [output_col(eax)] |
| 337 | mov ecx, DCTSIZE/4 ; ctr |
| 338 | alignx 16,7 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 339 | .rowloop: |
| 340 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 341 | ; -- Even part |
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 | movaps xmm0, XMMWORD [XMMBLOCK(0,0,esi,SIZEOF_FAST_FLOAT)] |
| 344 | movaps xmm1, XMMWORD [XMMBLOCK(2,0,esi,SIZEOF_FAST_FLOAT)] |
| 345 | movaps xmm2, XMMWORD [XMMBLOCK(4,0,esi,SIZEOF_FAST_FLOAT)] |
| 346 | movaps xmm3, XMMWORD [XMMBLOCK(6,0,esi,SIZEOF_FAST_FLOAT)] |
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 | movaps xmm4,xmm0 |
| 349 | movaps xmm5,xmm1 |
| 350 | subps xmm0,xmm2 ; xmm0=tmp11 |
| 351 | subps xmm1,xmm3 |
| 352 | addps xmm4,xmm2 ; xmm4=tmp10 |
| 353 | addps xmm5,xmm3 ; xmm5=tmp13 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 354 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 355 | mulps xmm1,[GOTOFF(ebx,PD_1_414)] |
| 356 | subps xmm1,xmm5 ; xmm1=tmp12 |
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 | movaps xmm6,xmm4 |
| 359 | movaps xmm7,xmm0 |
| 360 | subps xmm4,xmm5 ; xmm4=tmp3 |
| 361 | subps xmm0,xmm1 ; xmm0=tmp2 |
| 362 | addps xmm6,xmm5 ; xmm6=tmp0 |
| 363 | addps xmm7,xmm1 ; xmm7=tmp1 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 364 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 365 | movaps XMMWORD [wk(1)], xmm4 ; tmp3 |
| 366 | movaps XMMWORD [wk(0)], xmm0 ; tmp2 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 367 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 368 | ; -- Odd part |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 369 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 370 | movaps xmm2, XMMWORD [XMMBLOCK(1,0,esi,SIZEOF_FAST_FLOAT)] |
| 371 | movaps xmm3, XMMWORD [XMMBLOCK(3,0,esi,SIZEOF_FAST_FLOAT)] |
| 372 | movaps xmm5, XMMWORD [XMMBLOCK(5,0,esi,SIZEOF_FAST_FLOAT)] |
| 373 | movaps xmm1, XMMWORD [XMMBLOCK(7,0,esi,SIZEOF_FAST_FLOAT)] |
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 | movaps xmm4,xmm2 |
| 376 | movaps xmm0,xmm5 |
| 377 | addps xmm2,xmm1 ; xmm2=z11 |
| 378 | addps xmm5,xmm3 ; xmm5=z13 |
| 379 | subps xmm4,xmm1 ; xmm4=z12 |
| 380 | subps xmm0,xmm3 ; xmm0=z10 |
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 | movaps xmm1,xmm2 |
| 383 | subps xmm2,xmm5 |
| 384 | addps xmm1,xmm5 ; xmm1=tmp7 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 385 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 386 | mulps xmm2,[GOTOFF(ebx,PD_1_414)] ; xmm2=tmp11 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 387 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 388 | movaps xmm3,xmm0 |
| 389 | addps xmm0,xmm4 |
| 390 | mulps xmm0,[GOTOFF(ebx,PD_1_847)] ; xmm0=z5 |
| 391 | mulps xmm3,[GOTOFF(ebx,PD_M2_613)] ; xmm3=(z10 * -2.613125930) |
| 392 | mulps xmm4,[GOTOFF(ebx,PD_1_082)] ; xmm4=(z12 * 1.082392200) |
| 393 | addps xmm3,xmm0 ; xmm3=tmp12 |
| 394 | subps xmm4,xmm0 ; xmm4=tmp10 |
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 | ; -- Final output stage |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 397 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 398 | subps xmm3,xmm1 ; xmm3=tmp6 |
| 399 | movaps xmm5,xmm6 |
| 400 | movaps xmm0,xmm7 |
| 401 | addps xmm6,xmm1 ; xmm6=data0=(00 10 20 30) |
| 402 | addps xmm7,xmm3 ; xmm7=data1=(01 11 21 31) |
| 403 | subps xmm5,xmm1 ; xmm5=data7=(07 17 27 37) |
| 404 | subps xmm0,xmm3 ; xmm0=data6=(06 16 26 36) |
| 405 | subps xmm2,xmm3 ; xmm2=tmp5 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 406 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 407 | movaps xmm1,[GOTOFF(ebx,PD_RNDINT_MAGIC)] ; xmm1=[PD_RNDINT_MAGIC] |
| 408 | pcmpeqd xmm3,xmm3 |
| 409 | psrld xmm3,WORD_BIT ; xmm3={0xFFFF 0x0000 0xFFFF 0x0000 ..} |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 410 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 411 | addps xmm6,xmm1 ; xmm6=roundint(data0/8)=(00 ** 10 ** 20 ** 30 **) |
| 412 | addps xmm7,xmm1 ; xmm7=roundint(data1/8)=(01 ** 11 ** 21 ** 31 **) |
| 413 | addps xmm0,xmm1 ; xmm0=roundint(data6/8)=(06 ** 16 ** 26 ** 36 **) |
| 414 | addps xmm5,xmm1 ; xmm5=roundint(data7/8)=(07 ** 17 ** 27 ** 37 **) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 415 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 416 | pand xmm6,xmm3 ; xmm6=(00 -- 10 -- 20 -- 30 --) |
| 417 | pslld xmm7,WORD_BIT ; xmm7=(-- 01 -- 11 -- 21 -- 31) |
| 418 | pand xmm0,xmm3 ; xmm0=(06 -- 16 -- 26 -- 36 --) |
| 419 | pslld xmm5,WORD_BIT ; xmm5=(-- 07 -- 17 -- 27 -- 37) |
| 420 | por xmm6,xmm7 ; xmm6=(00 01 10 11 20 21 30 31) |
| 421 | por xmm0,xmm5 ; xmm0=(06 07 16 17 26 27 36 37) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 422 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 423 | movaps xmm1, XMMWORD [wk(0)] ; xmm1=tmp2 |
| 424 | movaps xmm3, XMMWORD [wk(1)] ; xmm3=tmp3 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 425 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 426 | addps xmm4,xmm2 ; xmm4=tmp4 |
| 427 | movaps xmm7,xmm1 |
| 428 | movaps xmm5,xmm3 |
| 429 | addps xmm1,xmm2 ; xmm1=data2=(02 12 22 32) |
| 430 | addps xmm3,xmm4 ; xmm3=data4=(04 14 24 34) |
| 431 | subps xmm7,xmm2 ; xmm7=data5=(05 15 25 35) |
| 432 | subps xmm5,xmm4 ; xmm5=data3=(03 13 23 33) |
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 | movaps xmm2,[GOTOFF(ebx,PD_RNDINT_MAGIC)] ; xmm2=[PD_RNDINT_MAGIC] |
| 435 | pcmpeqd xmm4,xmm4 |
| 436 | psrld xmm4,WORD_BIT ; xmm4={0xFFFF 0x0000 0xFFFF 0x0000 ..} |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 437 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 438 | addps xmm3,xmm2 ; xmm3=roundint(data4/8)=(04 ** 14 ** 24 ** 34 **) |
| 439 | addps xmm7,xmm2 ; xmm7=roundint(data5/8)=(05 ** 15 ** 25 ** 35 **) |
| 440 | addps xmm1,xmm2 ; xmm1=roundint(data2/8)=(02 ** 12 ** 22 ** 32 **) |
| 441 | addps xmm5,xmm2 ; xmm5=roundint(data3/8)=(03 ** 13 ** 23 ** 33 **) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 442 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 443 | pand xmm3,xmm4 ; xmm3=(04 -- 14 -- 24 -- 34 --) |
| 444 | pslld xmm7,WORD_BIT ; xmm7=(-- 05 -- 15 -- 25 -- 35) |
| 445 | pand xmm1,xmm4 ; xmm1=(02 -- 12 -- 22 -- 32 --) |
| 446 | pslld xmm5,WORD_BIT ; xmm5=(-- 03 -- 13 -- 23 -- 33) |
| 447 | por xmm3,xmm7 ; xmm3=(04 05 14 15 24 25 34 35) |
| 448 | por xmm1,xmm5 ; xmm1=(02 03 12 13 22 23 32 33) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 449 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 450 | movdqa xmm2,[GOTOFF(ebx,PB_CENTERJSAMP)] ; xmm2=[PB_CENTERJSAMP] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 451 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 452 | packsswb xmm6,xmm3 ; xmm6=(00 01 10 11 20 21 30 31 04 05 14 15 24 25 34 35) |
| 453 | packsswb xmm1,xmm0 ; xmm1=(02 03 12 13 22 23 32 33 06 07 16 17 26 27 36 37) |
| 454 | paddb xmm6,xmm2 |
| 455 | paddb xmm1,xmm2 |
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 | movdqa xmm4,xmm6 ; transpose coefficients(phase 2) |
| 458 | punpcklwd xmm6,xmm1 ; xmm6=(00 01 02 03 10 11 12 13 20 21 22 23 30 31 32 33) |
| 459 | punpckhwd xmm4,xmm1 ; xmm4=(04 05 06 07 14 15 16 17 24 25 26 27 34 35 36 37) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 460 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 461 | movdqa xmm7,xmm6 ; transpose coefficients(phase 3) |
| 462 | punpckldq xmm6,xmm4 ; xmm6=(00 01 02 03 04 05 06 07 10 11 12 13 14 15 16 17) |
| 463 | punpckhdq xmm7,xmm4 ; xmm7=(20 21 22 23 24 25 26 27 30 31 32 33 34 35 36 37) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 464 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 465 | pshufd xmm5,xmm6,0x4E ; xmm5=(10 11 12 13 14 15 16 17 00 01 02 03 04 05 06 07) |
| 466 | pshufd xmm3,xmm7,0x4E ; xmm3=(30 31 32 33 34 35 36 37 20 21 22 23 24 25 26 27) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 467 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 468 | pushpic ebx ; save GOT address |
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 | mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] |
| 471 | mov ebx, JSAMPROW [edi+2*SIZEOF_JSAMPROW] |
| 472 | movq XMM_MMWORD [edx+eax*SIZEOF_JSAMPLE], xmm6 |
| 473 | movq XMM_MMWORD [ebx+eax*SIZEOF_JSAMPLE], xmm7 |
| 474 | mov edx, JSAMPROW [edi+1*SIZEOF_JSAMPROW] |
| 475 | mov ebx, JSAMPROW [edi+3*SIZEOF_JSAMPROW] |
| 476 | movq XMM_MMWORD [edx+eax*SIZEOF_JSAMPLE], xmm5 |
| 477 | movq XMM_MMWORD [ebx+eax*SIZEOF_JSAMPLE], xmm3 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 478 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 479 | poppic ebx ; restore GOT address |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 480 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 481 | add esi, byte 4*SIZEOF_FAST_FLOAT ; wsptr |
| 482 | add edi, byte 4*SIZEOF_JSAMPROW |
| 483 | dec ecx ; ctr |
| 484 | jnz near .rowloop |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 485 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 486 | pop edi |
| 487 | pop esi |
| 488 | ; pop edx ; need not be preserved |
| 489 | ; pop ecx ; need not be preserved |
| 490 | pop ebx |
| 491 | mov esp,ebp ; esp <- aligned ebp |
| 492 | pop esp ; esp <- original ebp |
| 493 | pop ebp |
| 494 | ret |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 495 | |
DRC | 132b5fd | 2009-10-08 09:04:56 +0000 | [diff] [blame] | 496 | ; For some reason, the OS X linker does not honor the request to align the |
| 497 | ; segment unless we do this. |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 498 | align 16 |