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 & MMX) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 3 | ; |
Pierre Ossman | 018fc42 | 2009-03-09 13:31:56 +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_sse) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 41 | |
| 42 | EXTN(jconst_idct_float_sse): |
| 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_0_125 times 4 dd 0.125 ; 1/8 |
| 49 | PB_CENTERJSAMP times 8 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_sse (void *dct_table, JCOEFPTR coef_block, |
Pierre Ossman | 018fc42 | 2009-03-09 13:31:56 +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_sse) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 77 | |
Pierre Ossman | 018fc42 | 2009-03-09 13:31:56 +0000 | [diff] [blame] | 78 | EXTN(jsimd_idct_float_sse): |
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 mm0, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] |
| 109 | movq mm1, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)] |
| 110 | por mm0, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] |
| 111 | por mm1, MMWORD [MMBLOCK(4,0,esi,SIZEOF_JCOEF)] |
| 112 | por mm0, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] |
| 113 | por mm1, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] |
| 114 | por mm0, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] |
| 115 | por mm1,mm0 |
| 116 | packsswb mm1,mm1 |
| 117 | movd eax,mm1 |
| 118 | test eax,eax |
| 119 | jnz short .columnDCT |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 120 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 121 | ; -- AC terms all zero |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 122 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 123 | movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 124 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 125 | punpckhwd mm1,mm0 ; mm1=(** 02 ** 03) |
| 126 | punpcklwd mm0,mm0 ; mm0=(00 00 01 01) |
| 127 | psrad mm1,(DWORD_BIT-WORD_BIT) ; mm1=in0H=(02 03) |
| 128 | psrad mm0,(DWORD_BIT-WORD_BIT) ; mm0=in0L=(00 01) |
| 129 | cvtpi2ps xmm3,mm1 ; xmm3=(02 03 ** **) |
| 130 | cvtpi2ps xmm0,mm0 ; xmm0=(00 01 ** **) |
| 131 | movlhps xmm0,xmm3 ; xmm0=in0=(00 01 02 03) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 132 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 133 | mulps xmm0, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FLOAT_MULT_TYPE)] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 134 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 135 | movaps xmm1,xmm0 |
| 136 | movaps xmm2,xmm0 |
| 137 | movaps xmm3,xmm0 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 138 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 139 | shufps xmm0,xmm0,0x00 ; xmm0=(00 00 00 00) |
| 140 | shufps xmm1,xmm1,0x55 ; xmm1=(01 01 01 01) |
| 141 | shufps xmm2,xmm2,0xAA ; xmm2=(02 02 02 02) |
| 142 | shufps xmm3,xmm3,0xFF ; xmm3=(03 03 03 03) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 143 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 144 | movaps XMMWORD [XMMBLOCK(0,0,edi,SIZEOF_FAST_FLOAT)], xmm0 |
| 145 | movaps XMMWORD [XMMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], xmm0 |
| 146 | movaps XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], xmm1 |
| 147 | movaps XMMWORD [XMMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], xmm1 |
| 148 | movaps XMMWORD [XMMBLOCK(2,0,edi,SIZEOF_FAST_FLOAT)], xmm2 |
| 149 | movaps XMMWORD [XMMBLOCK(2,1,edi,SIZEOF_FAST_FLOAT)], xmm2 |
| 150 | movaps XMMWORD [XMMBLOCK(3,0,edi,SIZEOF_FAST_FLOAT)], xmm3 |
| 151 | movaps XMMWORD [XMMBLOCK(3,1,edi,SIZEOF_FAST_FLOAT)], xmm3 |
| 152 | jmp near .nextcolumn |
| 153 | alignx 16,7 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 154 | %endif |
| 155 | .columnDCT: |
| 156 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 157 | ; -- Even part |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 158 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 159 | movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] |
| 160 | movq mm1, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)] |
| 161 | movq mm2, MMWORD [MMBLOCK(4,0,esi,SIZEOF_JCOEF)] |
| 162 | movq mm3, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 163 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 164 | punpckhwd mm4,mm0 ; mm4=(** 02 ** 03) |
| 165 | punpcklwd mm0,mm0 ; mm0=(00 00 01 01) |
| 166 | punpckhwd mm5,mm1 ; mm5=(** 22 ** 23) |
| 167 | punpcklwd mm1,mm1 ; mm1=(20 20 21 21) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 168 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 169 | psrad mm4,(DWORD_BIT-WORD_BIT) ; mm4=in0H=(02 03) |
| 170 | psrad mm0,(DWORD_BIT-WORD_BIT) ; mm0=in0L=(00 01) |
| 171 | cvtpi2ps xmm4,mm4 ; xmm4=(02 03 ** **) |
| 172 | cvtpi2ps xmm0,mm0 ; xmm0=(00 01 ** **) |
| 173 | psrad mm5,(DWORD_BIT-WORD_BIT) ; mm5=in2H=(22 23) |
| 174 | psrad mm1,(DWORD_BIT-WORD_BIT) ; mm1=in2L=(20 21) |
| 175 | cvtpi2ps xmm5,mm5 ; xmm5=(22 23 ** **) |
| 176 | cvtpi2ps xmm1,mm1 ; xmm1=(20 21 ** **) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 177 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 178 | punpckhwd mm6,mm2 ; mm6=(** 42 ** 43) |
| 179 | punpcklwd mm2,mm2 ; mm2=(40 40 41 41) |
| 180 | punpckhwd mm7,mm3 ; mm7=(** 62 ** 63) |
| 181 | punpcklwd mm3,mm3 ; mm3=(60 60 61 61) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 182 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 183 | psrad mm6,(DWORD_BIT-WORD_BIT) ; mm6=in4H=(42 43) |
| 184 | psrad mm2,(DWORD_BIT-WORD_BIT) ; mm2=in4L=(40 41) |
| 185 | cvtpi2ps xmm6,mm6 ; xmm6=(42 43 ** **) |
| 186 | cvtpi2ps xmm2,mm2 ; xmm2=(40 41 ** **) |
| 187 | psrad mm7,(DWORD_BIT-WORD_BIT) ; mm7=in6H=(62 63) |
| 188 | psrad mm3,(DWORD_BIT-WORD_BIT) ; mm3=in6L=(60 61) |
| 189 | cvtpi2ps xmm7,mm7 ; xmm7=(62 63 ** **) |
| 190 | cvtpi2ps xmm3,mm3 ; xmm3=(60 61 ** **) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 191 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 192 | movlhps xmm0,xmm4 ; xmm0=in0=(00 01 02 03) |
| 193 | movlhps xmm1,xmm5 ; xmm1=in2=(20 21 22 23) |
| 194 | mulps xmm0, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FLOAT_MULT_TYPE)] |
| 195 | mulps xmm1, XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_FLOAT_MULT_TYPE)] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 196 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 197 | movlhps xmm2,xmm6 ; xmm2=in4=(40 41 42 43) |
| 198 | movlhps xmm3,xmm7 ; xmm3=in6=(60 61 62 63) |
| 199 | mulps xmm2, XMMWORD [XMMBLOCK(4,0,edx,SIZEOF_FLOAT_MULT_TYPE)] |
| 200 | mulps xmm3, XMMWORD [XMMBLOCK(6,0,edx,SIZEOF_FLOAT_MULT_TYPE)] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 201 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 202 | movaps xmm4,xmm0 |
| 203 | movaps xmm5,xmm1 |
| 204 | subps xmm0,xmm2 ; xmm0=tmp11 |
| 205 | subps xmm1,xmm3 |
| 206 | addps xmm4,xmm2 ; xmm4=tmp10 |
| 207 | addps xmm5,xmm3 ; xmm5=tmp13 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 208 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 209 | mulps xmm1,[GOTOFF(ebx,PD_1_414)] |
| 210 | subps xmm1,xmm5 ; xmm1=tmp12 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 211 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 212 | movaps xmm6,xmm4 |
| 213 | movaps xmm7,xmm0 |
| 214 | subps xmm4,xmm5 ; xmm4=tmp3 |
| 215 | subps xmm0,xmm1 ; xmm0=tmp2 |
| 216 | addps xmm6,xmm5 ; xmm6=tmp0 |
| 217 | addps xmm7,xmm1 ; xmm7=tmp1 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 218 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 219 | movaps XMMWORD [wk(1)], xmm4 ; tmp3 |
| 220 | movaps XMMWORD [wk(0)], xmm0 ; tmp2 |
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 | ; -- Odd part |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 223 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 224 | movq mm4, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] |
| 225 | movq mm0, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] |
| 226 | movq mm5, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] |
| 227 | movq mm1, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] |
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 | punpckhwd mm6,mm4 ; mm6=(** 12 ** 13) |
| 230 | punpcklwd mm4,mm4 ; mm4=(10 10 11 11) |
| 231 | punpckhwd mm2,mm0 ; mm2=(** 32 ** 33) |
| 232 | punpcklwd mm0,mm0 ; mm0=(30 30 31 31) |
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 | psrad mm6,(DWORD_BIT-WORD_BIT) ; mm6=in1H=(12 13) |
| 235 | psrad mm4,(DWORD_BIT-WORD_BIT) ; mm4=in1L=(10 11) |
| 236 | cvtpi2ps xmm4,mm6 ; xmm4=(12 13 ** **) |
| 237 | cvtpi2ps xmm2,mm4 ; xmm2=(10 11 ** **) |
| 238 | psrad mm2,(DWORD_BIT-WORD_BIT) ; mm2=in3H=(32 33) |
| 239 | psrad mm0,(DWORD_BIT-WORD_BIT) ; mm0=in3L=(30 31) |
| 240 | cvtpi2ps xmm0,mm2 ; xmm0=(32 33 ** **) |
| 241 | cvtpi2ps xmm3,mm0 ; xmm3=(30 31 ** **) |
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 | punpckhwd mm7,mm5 ; mm7=(** 52 ** 53) |
| 244 | punpcklwd mm5,mm5 ; mm5=(50 50 51 51) |
| 245 | punpckhwd mm3,mm1 ; mm3=(** 72 ** 73) |
| 246 | punpcklwd mm1,mm1 ; mm1=(70 70 71 71) |
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 | movlhps xmm2,xmm4 ; xmm2=in1=(10 11 12 13) |
| 249 | movlhps xmm3,xmm0 ; xmm3=in3=(30 31 32 33) |
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 | psrad mm7,(DWORD_BIT-WORD_BIT) ; mm7=in5H=(52 53) |
| 252 | psrad mm5,(DWORD_BIT-WORD_BIT) ; mm5=in5L=(50 51) |
| 253 | cvtpi2ps xmm4,mm7 ; xmm4=(52 53 ** **) |
| 254 | cvtpi2ps xmm5,mm5 ; xmm5=(50 51 ** **) |
| 255 | psrad mm3,(DWORD_BIT-WORD_BIT) ; mm3=in7H=(72 73) |
| 256 | psrad mm1,(DWORD_BIT-WORD_BIT) ; mm1=in7L=(70 71) |
| 257 | cvtpi2ps xmm0,mm3 ; xmm0=(72 73 ** **) |
| 258 | cvtpi2ps xmm1,mm1 ; xmm1=(70 71 ** **) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 259 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 260 | mulps xmm2, XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_FLOAT_MULT_TYPE)] |
| 261 | mulps xmm3, XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_FLOAT_MULT_TYPE)] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 262 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 263 | movlhps xmm5,xmm4 ; xmm5=in5=(50 51 52 53) |
| 264 | movlhps xmm1,xmm0 ; xmm1=in7=(70 71 72 73) |
| 265 | mulps xmm5, XMMWORD [XMMBLOCK(5,0,edx,SIZEOF_FLOAT_MULT_TYPE)] |
| 266 | mulps xmm1, XMMWORD [XMMBLOCK(7,0,edx,SIZEOF_FLOAT_MULT_TYPE)] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 267 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 268 | movaps xmm4,xmm2 |
| 269 | movaps xmm0,xmm5 |
| 270 | addps xmm2,xmm1 ; xmm2=z11 |
| 271 | addps xmm5,xmm3 ; xmm5=z13 |
| 272 | subps xmm4,xmm1 ; xmm4=z12 |
| 273 | subps xmm0,xmm3 ; xmm0=z10 |
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 | movaps xmm1,xmm2 |
| 276 | subps xmm2,xmm5 |
| 277 | addps xmm1,xmm5 ; xmm1=tmp7 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 278 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 279 | mulps xmm2,[GOTOFF(ebx,PD_1_414)] ; xmm2=tmp11 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 280 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 281 | movaps xmm3,xmm0 |
| 282 | addps xmm0,xmm4 |
| 283 | mulps xmm0,[GOTOFF(ebx,PD_1_847)] ; xmm0=z5 |
| 284 | mulps xmm3,[GOTOFF(ebx,PD_M2_613)] ; xmm3=(z10 * -2.613125930) |
| 285 | mulps xmm4,[GOTOFF(ebx,PD_1_082)] ; xmm4=(z12 * 1.082392200) |
| 286 | addps xmm3,xmm0 ; xmm3=tmp12 |
| 287 | subps xmm4,xmm0 ; xmm4=tmp10 |
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 | ; -- Final output stage |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 290 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 291 | subps xmm3,xmm1 ; xmm3=tmp6 |
| 292 | movaps xmm5,xmm6 |
| 293 | movaps xmm0,xmm7 |
| 294 | addps xmm6,xmm1 ; xmm6=data0=(00 01 02 03) |
| 295 | addps xmm7,xmm3 ; xmm7=data1=(10 11 12 13) |
| 296 | subps xmm5,xmm1 ; xmm5=data7=(70 71 72 73) |
| 297 | subps xmm0,xmm3 ; xmm0=data6=(60 61 62 63) |
| 298 | subps xmm2,xmm3 ; xmm2=tmp5 |
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 xmm1,xmm6 ; transpose coefficients(phase 1) |
| 301 | unpcklps xmm6,xmm7 ; xmm6=(00 10 01 11) |
| 302 | unpckhps xmm1,xmm7 ; xmm1=(02 12 03 13) |
| 303 | movaps xmm3,xmm0 ; transpose coefficients(phase 1) |
| 304 | unpcklps xmm0,xmm5 ; xmm0=(60 70 61 71) |
| 305 | unpckhps xmm3,xmm5 ; xmm3=(62 72 63 73) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 306 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 307 | movaps xmm7, XMMWORD [wk(0)] ; xmm7=tmp2 |
| 308 | movaps xmm5, XMMWORD [wk(1)] ; xmm5=tmp3 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 309 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 310 | movaps XMMWORD [wk(0)], xmm0 ; wk(0)=(60 70 61 71) |
| 311 | movaps XMMWORD [wk(1)], xmm3 ; wk(1)=(62 72 63 73) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 312 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 313 | addps xmm4,xmm2 ; xmm4=tmp4 |
| 314 | movaps xmm0,xmm7 |
| 315 | movaps xmm3,xmm5 |
| 316 | addps xmm7,xmm2 ; xmm7=data2=(20 21 22 23) |
| 317 | addps xmm5,xmm4 ; xmm5=data4=(40 41 42 43) |
| 318 | subps xmm0,xmm2 ; xmm0=data5=(50 51 52 53) |
| 319 | subps xmm3,xmm4 ; xmm3=data3=(30 31 32 33) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 320 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 321 | movaps xmm2,xmm7 ; transpose coefficients(phase 1) |
| 322 | unpcklps xmm7,xmm3 ; xmm7=(20 30 21 31) |
| 323 | unpckhps xmm2,xmm3 ; xmm2=(22 32 23 33) |
| 324 | movaps xmm4,xmm5 ; transpose coefficients(phase 1) |
| 325 | unpcklps xmm5,xmm0 ; xmm5=(40 50 41 51) |
| 326 | unpckhps xmm4,xmm0 ; xmm4=(42 52 43 53) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 327 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 328 | movaps xmm3,xmm6 ; transpose coefficients(phase 2) |
| 329 | unpcklps2 xmm6,xmm7 ; xmm6=(00 10 20 30) |
| 330 | unpckhps2 xmm3,xmm7 ; xmm3=(01 11 21 31) |
| 331 | movaps xmm0,xmm1 ; transpose coefficients(phase 2) |
| 332 | unpcklps2 xmm1,xmm2 ; xmm1=(02 12 22 32) |
| 333 | unpckhps2 xmm0,xmm2 ; xmm0=(03 13 23 33) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 334 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 335 | movaps xmm7, XMMWORD [wk(0)] ; xmm7=(60 70 61 71) |
| 336 | movaps xmm2, XMMWORD [wk(1)] ; xmm2=(62 72 63 73) |
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 | movaps XMMWORD [XMMBLOCK(0,0,edi,SIZEOF_FAST_FLOAT)], xmm6 |
| 339 | movaps XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], xmm3 |
| 340 | movaps XMMWORD [XMMBLOCK(2,0,edi,SIZEOF_FAST_FLOAT)], xmm1 |
| 341 | movaps XMMWORD [XMMBLOCK(3,0,edi,SIZEOF_FAST_FLOAT)], xmm0 |
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 xmm6,xmm5 ; transpose coefficients(phase 2) |
| 344 | unpcklps2 xmm5,xmm7 ; xmm5=(40 50 60 70) |
| 345 | unpckhps2 xmm6,xmm7 ; xmm6=(41 51 61 71) |
| 346 | movaps xmm3,xmm4 ; transpose coefficients(phase 2) |
| 347 | unpcklps2 xmm4,xmm2 ; xmm4=(42 52 62 72) |
| 348 | unpckhps2 xmm3,xmm2 ; xmm3=(43 53 63 73) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 349 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 350 | movaps XMMWORD [XMMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], xmm5 |
| 351 | movaps XMMWORD [XMMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], xmm6 |
| 352 | movaps XMMWORD [XMMBLOCK(2,1,edi,SIZEOF_FAST_FLOAT)], xmm4 |
| 353 | movaps XMMWORD [XMMBLOCK(3,1,edi,SIZEOF_FAST_FLOAT)], xmm3 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 354 | |
| 355 | .nextcolumn: |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 356 | add esi, byte 4*SIZEOF_JCOEF ; coef_block |
| 357 | add edx, byte 4*SIZEOF_FLOAT_MULT_TYPE ; quantptr |
| 358 | add edi, 4*DCTSIZE*SIZEOF_FAST_FLOAT ; wsptr |
| 359 | dec ecx ; ctr |
| 360 | jnz near .columnloop |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 361 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 362 | ; -- Prefetch the next coefficient block |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 363 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 364 | prefetchnta [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 0*32] |
| 365 | prefetchnta [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 1*32] |
| 366 | prefetchnta [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 2*32] |
| 367 | prefetchnta [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 3*32] |
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 | ; ---- Pass 2: process rows from work array, store into output array. |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 370 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 371 | mov eax, [original_ebp] |
DRC | bd49803 | 2016-02-19 08:53:33 -0600 | [diff] [blame] | 372 | lea esi, [workspace] ; FAST_FLOAT *wsptr |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 373 | mov edi, JSAMPARRAY [output_buf(eax)] ; (JSAMPROW *) |
| 374 | mov eax, JDIMENSION [output_col(eax)] |
| 375 | mov ecx, DCTSIZE/4 ; ctr |
| 376 | alignx 16,7 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 377 | .rowloop: |
| 378 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 379 | ; -- Even part |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 380 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 381 | movaps xmm0, XMMWORD [XMMBLOCK(0,0,esi,SIZEOF_FAST_FLOAT)] |
| 382 | movaps xmm1, XMMWORD [XMMBLOCK(2,0,esi,SIZEOF_FAST_FLOAT)] |
| 383 | movaps xmm2, XMMWORD [XMMBLOCK(4,0,esi,SIZEOF_FAST_FLOAT)] |
| 384 | movaps xmm3, XMMWORD [XMMBLOCK(6,0,esi,SIZEOF_FAST_FLOAT)] |
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 | movaps xmm4,xmm0 |
| 387 | movaps xmm5,xmm1 |
| 388 | subps xmm0,xmm2 ; xmm0=tmp11 |
| 389 | subps xmm1,xmm3 |
| 390 | addps xmm4,xmm2 ; xmm4=tmp10 |
| 391 | addps xmm5,xmm3 ; xmm5=tmp13 |
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 | mulps xmm1,[GOTOFF(ebx,PD_1_414)] |
| 394 | subps xmm1,xmm5 ; xmm1=tmp12 |
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 | movaps xmm6,xmm4 |
| 397 | movaps xmm7,xmm0 |
| 398 | subps xmm4,xmm5 ; xmm4=tmp3 |
| 399 | subps xmm0,xmm1 ; xmm0=tmp2 |
| 400 | addps xmm6,xmm5 ; xmm6=tmp0 |
| 401 | addps xmm7,xmm1 ; xmm7=tmp1 |
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 | movaps XMMWORD [wk(1)], xmm4 ; tmp3 |
| 404 | movaps XMMWORD [wk(0)], xmm0 ; tmp2 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 405 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 406 | ; -- Odd part |
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 | movaps xmm2, XMMWORD [XMMBLOCK(1,0,esi,SIZEOF_FAST_FLOAT)] |
| 409 | movaps xmm3, XMMWORD [XMMBLOCK(3,0,esi,SIZEOF_FAST_FLOAT)] |
| 410 | movaps xmm5, XMMWORD [XMMBLOCK(5,0,esi,SIZEOF_FAST_FLOAT)] |
| 411 | movaps xmm1, XMMWORD [XMMBLOCK(7,0,esi,SIZEOF_FAST_FLOAT)] |
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 | movaps xmm4,xmm2 |
| 414 | movaps xmm0,xmm5 |
| 415 | addps xmm2,xmm1 ; xmm2=z11 |
| 416 | addps xmm5,xmm3 ; xmm5=z13 |
| 417 | subps xmm4,xmm1 ; xmm4=z12 |
| 418 | subps xmm0,xmm3 ; xmm0=z10 |
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 | movaps xmm1,xmm2 |
| 421 | subps xmm2,xmm5 |
| 422 | addps xmm1,xmm5 ; xmm1=tmp7 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 423 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 424 | mulps xmm2,[GOTOFF(ebx,PD_1_414)] ; xmm2=tmp11 |
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 | movaps xmm3,xmm0 |
| 427 | addps xmm0,xmm4 |
| 428 | mulps xmm0,[GOTOFF(ebx,PD_1_847)] ; xmm0=z5 |
| 429 | mulps xmm3,[GOTOFF(ebx,PD_M2_613)] ; xmm3=(z10 * -2.613125930) |
| 430 | mulps xmm4,[GOTOFF(ebx,PD_1_082)] ; xmm4=(z12 * 1.082392200) |
| 431 | addps xmm3,xmm0 ; xmm3=tmp12 |
| 432 | subps xmm4,xmm0 ; xmm4=tmp10 |
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 | ; -- Final output stage |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 435 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 436 | subps xmm3,xmm1 ; xmm3=tmp6 |
| 437 | movaps xmm5,xmm6 |
| 438 | movaps xmm0,xmm7 |
| 439 | addps xmm6,xmm1 ; xmm6=data0=(00 10 20 30) |
| 440 | addps xmm7,xmm3 ; xmm7=data1=(01 11 21 31) |
| 441 | subps xmm5,xmm1 ; xmm5=data7=(07 17 27 37) |
| 442 | subps xmm0,xmm3 ; xmm0=data6=(06 16 26 36) |
| 443 | subps xmm2,xmm3 ; xmm2=tmp5 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 444 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 445 | movaps xmm1,[GOTOFF(ebx,PD_0_125)] ; xmm1=[PD_0_125] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 446 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 447 | mulps xmm6,xmm1 ; descale(1/8) |
| 448 | mulps xmm7,xmm1 ; descale(1/8) |
| 449 | mulps xmm5,xmm1 ; descale(1/8) |
| 450 | mulps xmm0,xmm1 ; descale(1/8) |
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 | movhlps xmm3,xmm6 |
| 453 | movhlps xmm1,xmm7 |
| 454 | cvtps2pi mm0,xmm6 ; round to int32, mm0=data0L=(00 10) |
| 455 | cvtps2pi mm1,xmm7 ; round to int32, mm1=data1L=(01 11) |
| 456 | cvtps2pi mm2,xmm3 ; round to int32, mm2=data0H=(20 30) |
| 457 | cvtps2pi mm3,xmm1 ; round to int32, mm3=data1H=(21 31) |
| 458 | packssdw mm0,mm2 ; mm0=data0=(00 10 20 30) |
| 459 | packssdw mm1,mm3 ; mm1=data1=(01 11 21 31) |
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 | movhlps xmm6,xmm5 |
| 462 | movhlps xmm7,xmm0 |
| 463 | cvtps2pi mm4,xmm5 ; round to int32, mm4=data7L=(07 17) |
| 464 | cvtps2pi mm5,xmm0 ; round to int32, mm5=data6L=(06 16) |
| 465 | cvtps2pi mm6,xmm6 ; round to int32, mm6=data7H=(27 37) |
| 466 | cvtps2pi mm7,xmm7 ; round to int32, mm7=data6H=(26 36) |
| 467 | packssdw mm4,mm6 ; mm4=data7=(07 17 27 37) |
| 468 | packssdw mm5,mm7 ; mm5=data6=(06 16 26 36) |
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 | packsswb mm0,mm5 ; mm0=(00 10 20 30 06 16 26 36) |
| 471 | packsswb mm1,mm4 ; mm1=(01 11 21 31 07 17 27 37) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 472 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 473 | movaps xmm3, XMMWORD [wk(0)] ; xmm3=tmp2 |
| 474 | movaps xmm1, XMMWORD [wk(1)] ; xmm1=tmp3 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 475 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 476 | movaps xmm6,[GOTOFF(ebx,PD_0_125)] ; xmm6=[PD_0_125] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 477 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 478 | addps xmm4,xmm2 ; xmm4=tmp4 |
| 479 | movaps xmm5,xmm3 |
| 480 | movaps xmm0,xmm1 |
| 481 | addps xmm3,xmm2 ; xmm3=data2=(02 12 22 32) |
| 482 | addps xmm1,xmm4 ; xmm1=data4=(04 14 24 34) |
| 483 | subps xmm5,xmm2 ; xmm5=data5=(05 15 25 35) |
| 484 | subps xmm0,xmm4 ; xmm0=data3=(03 13 23 33) |
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 | mulps xmm3,xmm6 ; descale(1/8) |
| 487 | mulps xmm1,xmm6 ; descale(1/8) |
| 488 | mulps xmm5,xmm6 ; descale(1/8) |
| 489 | mulps xmm0,xmm6 ; descale(1/8) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 490 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 491 | movhlps xmm7,xmm3 |
| 492 | movhlps xmm2,xmm1 |
| 493 | cvtps2pi mm2,xmm3 ; round to int32, mm2=data2L=(02 12) |
| 494 | cvtps2pi mm3,xmm1 ; round to int32, mm3=data4L=(04 14) |
| 495 | cvtps2pi mm6,xmm7 ; round to int32, mm6=data2H=(22 32) |
| 496 | cvtps2pi mm7,xmm2 ; round to int32, mm7=data4H=(24 34) |
| 497 | packssdw mm2,mm6 ; mm2=data2=(02 12 22 32) |
| 498 | packssdw mm3,mm7 ; mm3=data4=(04 14 24 34) |
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 | movhlps xmm4,xmm5 |
| 501 | movhlps xmm6,xmm0 |
| 502 | cvtps2pi mm5,xmm5 ; round to int32, mm5=data5L=(05 15) |
| 503 | cvtps2pi mm4,xmm0 ; round to int32, mm4=data3L=(03 13) |
| 504 | cvtps2pi mm6,xmm4 ; round to int32, mm6=data5H=(25 35) |
| 505 | cvtps2pi mm7,xmm6 ; round to int32, mm7=data3H=(23 33) |
| 506 | packssdw mm5,mm6 ; mm5=data5=(05 15 25 35) |
| 507 | packssdw mm4,mm7 ; mm4=data3=(03 13 23 33) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 508 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 509 | movq mm6,[GOTOFF(ebx,PB_CENTERJSAMP)] ; mm6=[PB_CENTERJSAMP] |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 510 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 511 | packsswb mm2,mm3 ; mm2=(02 12 22 32 04 14 24 34) |
| 512 | packsswb mm4,mm5 ; mm4=(03 13 23 33 05 15 25 35) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 513 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 514 | paddb mm0,mm6 |
| 515 | paddb mm1,mm6 |
| 516 | paddb mm2,mm6 |
| 517 | paddb mm4,mm6 |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 518 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 519 | movq mm7,mm0 ; transpose coefficients(phase 1) |
| 520 | punpcklbw mm0,mm1 ; mm0=(00 01 10 11 20 21 30 31) |
| 521 | punpckhbw mm7,mm1 ; mm7=(06 07 16 17 26 27 36 37) |
| 522 | movq mm3,mm2 ; transpose coefficients(phase 1) |
| 523 | punpcklbw mm2,mm4 ; mm2=(02 03 12 13 22 23 32 33) |
| 524 | punpckhbw mm3,mm4 ; mm3=(04 05 14 15 24 25 34 35) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 525 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 526 | movq mm5,mm0 ; transpose coefficients(phase 2) |
| 527 | punpcklwd mm0,mm2 ; mm0=(00 01 02 03 10 11 12 13) |
| 528 | punpckhwd mm5,mm2 ; mm5=(20 21 22 23 30 31 32 33) |
| 529 | movq mm6,mm3 ; transpose coefficients(phase 2) |
| 530 | punpcklwd mm3,mm7 ; mm3=(04 05 06 07 14 15 16 17) |
| 531 | punpckhwd mm6,mm7 ; mm6=(24 25 26 27 34 35 36 37) |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 532 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 533 | movq mm1,mm0 ; transpose coefficients(phase 3) |
| 534 | punpckldq mm0,mm3 ; mm0=(00 01 02 03 04 05 06 07) |
| 535 | punpckhdq mm1,mm3 ; mm1=(10 11 12 13 14 15 16 17) |
| 536 | movq mm4,mm5 ; transpose coefficients(phase 3) |
| 537 | punpckldq mm5,mm6 ; mm5=(20 21 22 23 24 25 26 27) |
| 538 | punpckhdq mm4,mm6 ; mm4=(30 31 32 33 34 35 36 37) |
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 | pushpic ebx ; save GOT address |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 541 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 542 | mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] |
| 543 | mov ebx, JSAMPROW [edi+1*SIZEOF_JSAMPROW] |
| 544 | movq MMWORD [edx+eax*SIZEOF_JSAMPLE], mm0 |
| 545 | movq MMWORD [ebx+eax*SIZEOF_JSAMPLE], mm1 |
| 546 | mov edx, JSAMPROW [edi+2*SIZEOF_JSAMPROW] |
| 547 | mov ebx, JSAMPROW [edi+3*SIZEOF_JSAMPROW] |
| 548 | movq MMWORD [edx+eax*SIZEOF_JSAMPLE], mm5 |
| 549 | movq MMWORD [ebx+eax*SIZEOF_JSAMPLE], mm4 |
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 | poppic ebx ; restore GOT address |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 552 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 553 | add esi, byte 4*SIZEOF_FAST_FLOAT ; wsptr |
| 554 | add edi, byte 4*SIZEOF_JSAMPROW |
| 555 | dec ecx ; ctr |
| 556 | jnz near .rowloop |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 557 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 558 | emms ; empty MMX state |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 559 | |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 560 | pop edi |
| 561 | pop esi |
| 562 | ; pop edx ; need not be preserved |
| 563 | ; pop ecx ; need not be preserved |
| 564 | pop ebx |
| 565 | mov esp,ebp ; esp <- aligned ebp |
| 566 | pop esp ; esp <- original ebp |
| 567 | pop ebp |
| 568 | ret |
MIYASAKA Masaru | a2e6a9d | 2006-02-04 00:00:00 +0000 | [diff] [blame] | 569 | |
DRC | 132b5fd | 2009-10-08 09:04:56 +0000 | [diff] [blame] | 570 | ; For some reason, the OS X linker does not honor the request to align the |
| 571 | ; segment unless we do this. |
DRC | e5eaf37 | 2014-05-09 18:00:32 +0000 | [diff] [blame] | 572 | align 16 |