1a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; 272130be99f592adf302fb13682eea7b87352026cDRC; jidctred.asm - reduced-size IDCT (MMX) 3a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; 45eb84ff97f00c02aadfdce0cb30ab3e899c1b113Pierre Ossman; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB 55eb84ff97f00c02aadfdce0cb30ab3e899c1b113Pierre Ossman; 66eb7d3798b5a79347c62825fc4c16f7ce673bdd0Alex Naidis; Based on the x86 SIMD extension for IJG JPEG library 7a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; Copyright (C) 1999-2006, MIYASAKA Masaru. 8a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; For conditions of distribution and use, see copyright notice in jsimdext.inc 9a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; 10a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; This file should be assembled with NASM (Netwide Assembler), 11a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; can *not* be assembled with Microsoft's MASM or any compatible 12a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; assembler (including Borland's Turbo Assembler). 13a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; NASM is available from http://nasm.sourceforge.net/ or 14a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; http://sourceforge.net/project/showfiles.php?group_id=6208 15a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; 16a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; This file contains inverse-DCT routines that produce reduced-size 17a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; output: either 4x4 or 2x2 pixels from an 8x8 DCT block. 18a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; The following code is based directly on the IJG's original jidctred.c; 19a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; see the jidctred.c for more details. 20a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; 21a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; [TAB8] 22a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 233a65ef478bebc51faa71fc86eece9620ed02611fPierre Ossman%include "jsimdext.inc" 243a65ef478bebc51faa71fc86eece9620ed02611fPierre Ossman%include "jdct.inc" 25a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 26a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; -------------------------------------------------------------------------- 27a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 28e5eaf37440b8e337ab150c017df7c03faf846c51DRC%define CONST_BITS 13 29e5eaf37440b8e337ab150c017df7c03faf846c51DRC%define PASS1_BITS 2 30a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 31e5eaf37440b8e337ab150c017df7c03faf846c51DRC%define DESCALE_P1_4 (CONST_BITS-PASS1_BITS+1) 32e5eaf37440b8e337ab150c017df7c03faf846c51DRC%define DESCALE_P2_4 (CONST_BITS+PASS1_BITS+3+1) 33e5eaf37440b8e337ab150c017df7c03faf846c51DRC%define DESCALE_P1_2 (CONST_BITS-PASS1_BITS+2) 34e5eaf37440b8e337ab150c017df7c03faf846c51DRC%define DESCALE_P2_2 (CONST_BITS+PASS1_BITS+3+2) 35a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 36a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru%if CONST_BITS == 13 37e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_0_211 equ 1730 ; FIX(0.211164243) 38e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_0_509 equ 4176 ; FIX(0.509795579) 39e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_0_601 equ 4926 ; FIX(0.601344887) 40e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_0_720 equ 5906 ; FIX(0.720959822) 41e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_0_765 equ 6270 ; FIX(0.765366865) 42e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_0_850 equ 6967 ; FIX(0.850430095) 43e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_0_899 equ 7373 ; FIX(0.899976223) 44e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_1_061 equ 8697 ; FIX(1.061594337) 45e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_1_272 equ 10426 ; FIX(1.272758580) 46e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_1_451 equ 11893 ; FIX(1.451774981) 47e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_1_847 equ 15137 ; FIX(1.847759065) 48e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_2_172 equ 17799 ; FIX(2.172734803) 49e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_2_562 equ 20995 ; FIX(2.562915447) 50e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_3_624 equ 29692 ; FIX(3.624509785) 51a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru%else 52a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; NASM cannot do compile-time arithmetic on floating-point constants. 53a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n)) 54e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_0_211 equ DESCALE( 226735879,30-CONST_BITS) ; FIX(0.211164243) 55e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_0_509 equ DESCALE( 547388834,30-CONST_BITS) ; FIX(0.509795579) 56e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_0_601 equ DESCALE( 645689155,30-CONST_BITS) ; FIX(0.601344887) 57e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_0_720 equ DESCALE( 774124714,30-CONST_BITS) ; FIX(0.720959822) 58e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_0_765 equ DESCALE( 821806413,30-CONST_BITS) ; FIX(0.765366865) 59e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_0_850 equ DESCALE( 913142361,30-CONST_BITS) ; FIX(0.850430095) 60e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_0_899 equ DESCALE( 966342111,30-CONST_BITS) ; FIX(0.899976223) 61e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_1_061 equ DESCALE(1139878239,30-CONST_BITS) ; FIX(1.061594337) 62e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_1_272 equ DESCALE(1366614119,30-CONST_BITS) ; FIX(1.272758580) 63e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_1_451 equ DESCALE(1558831516,30-CONST_BITS) ; FIX(1.451774981) 64e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_1_847 equ DESCALE(1984016188,30-CONST_BITS) ; FIX(1.847759065) 65e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_2_172 equ DESCALE(2332956230,30-CONST_BITS) ; FIX(2.172734803) 66e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_2_562 equ DESCALE(2751909506,30-CONST_BITS) ; FIX(2.562915447) 67e5eaf37440b8e337ab150c017df7c03faf846c51DRCF_3_624 equ DESCALE(3891787747,30-CONST_BITS) ; FIX(3.624509785) 68a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru%endif 69a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 70a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; -------------------------------------------------------------------------- 71e5eaf37440b8e337ab150c017df7c03faf846c51DRC SECTION SEG_CONST 72a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 73e5eaf37440b8e337ab150c017df7c03faf846c51DRC alignz 16 74e5eaf37440b8e337ab150c017df7c03faf846c51DRC global EXTN(jconst_idct_red_mmx) 75a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 76a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA MasaruEXTN(jconst_idct_red_mmx): 77a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 78e5eaf37440b8e337ab150c017df7c03faf846c51DRCPW_F184_MF076 times 2 dw F_1_847,-F_0_765 79e5eaf37440b8e337ab150c017df7c03faf846c51DRCPW_F256_F089 times 2 dw F_2_562, F_0_899 80e5eaf37440b8e337ab150c017df7c03faf846c51DRCPW_F106_MF217 times 2 dw F_1_061,-F_2_172 81e5eaf37440b8e337ab150c017df7c03faf846c51DRCPW_MF060_MF050 times 2 dw -F_0_601,-F_0_509 82e5eaf37440b8e337ab150c017df7c03faf846c51DRCPW_F145_MF021 times 2 dw F_1_451,-F_0_211 83e5eaf37440b8e337ab150c017df7c03faf846c51DRCPW_F362_MF127 times 2 dw F_3_624,-F_1_272 84e5eaf37440b8e337ab150c017df7c03faf846c51DRCPW_F085_MF072 times 2 dw F_0_850,-F_0_720 85e5eaf37440b8e337ab150c017df7c03faf846c51DRCPD_DESCALE_P1_4 times 2 dd 1 << (DESCALE_P1_4-1) 86e5eaf37440b8e337ab150c017df7c03faf846c51DRCPD_DESCALE_P2_4 times 2 dd 1 << (DESCALE_P2_4-1) 87e5eaf37440b8e337ab150c017df7c03faf846c51DRCPD_DESCALE_P1_2 times 2 dd 1 << (DESCALE_P1_2-1) 88e5eaf37440b8e337ab150c017df7c03faf846c51DRCPD_DESCALE_P2_2 times 2 dd 1 << (DESCALE_P2_2-1) 89e5eaf37440b8e337ab150c017df7c03faf846c51DRCPB_CENTERJSAMP times 8 db CENTERJSAMPLE 90e5eaf37440b8e337ab150c017df7c03faf846c51DRC 91e5eaf37440b8e337ab150c017df7c03faf846c51DRC alignz 16 92a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 93a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; -------------------------------------------------------------------------- 94e5eaf37440b8e337ab150c017df7c03faf846c51DRC SECTION SEG_TEXT 95e5eaf37440b8e337ab150c017df7c03faf846c51DRC BITS 32 96a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; 97a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; Perform dequantization and inverse DCT on one block of coefficients, 98a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; producing a reduced-size 4x4 output block. 99a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; 100a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; GLOBAL(void) 1016eb7d3798b5a79347c62825fc4c16f7ce673bdd0Alex Naidis; jsimd_idct_4x4_mmx (void *dct_table, JCOEFPTR coef_block, 1025eb84ff97f00c02aadfdce0cb30ab3e899c1b113Pierre Ossman; JSAMPARRAY output_buf, JDIMENSION output_col) 103a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; 104a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 1056eb7d3798b5a79347c62825fc4c16f7ce673bdd0Alex Naidis%define dct_table(b) (b)+8 ; void *dct_table 106e5eaf37440b8e337ab150c017df7c03faf846c51DRC%define coef_block(b) (b)+12 ; JCOEFPTR coef_block 107e5eaf37440b8e337ab150c017df7c03faf846c51DRC%define output_buf(b) (b)+16 ; JSAMPARRAY output_buf 108e5eaf37440b8e337ab150c017df7c03faf846c51DRC%define output_col(b) (b)+20 ; JDIMENSION output_col 109a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 110e5eaf37440b8e337ab150c017df7c03faf846c51DRC%define original_ebp ebp+0 111e5eaf37440b8e337ab150c017df7c03faf846c51DRC%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM] 112e5eaf37440b8e337ab150c017df7c03faf846c51DRC%define WK_NUM 2 113e5eaf37440b8e337ab150c017df7c03faf846c51DRC%define workspace wk(0)-DCTSIZE2*SIZEOF_JCOEF 114e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; JCOEF workspace[DCTSIZE2] 115a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 116e5eaf37440b8e337ab150c017df7c03faf846c51DRC align 16 117e5eaf37440b8e337ab150c017df7c03faf846c51DRC global EXTN(jsimd_idct_4x4_mmx) 118a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 1195eb84ff97f00c02aadfdce0cb30ab3e899c1b113Pierre OssmanEXTN(jsimd_idct_4x4_mmx): 120e5eaf37440b8e337ab150c017df7c03faf846c51DRC push ebp 121e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov eax,esp ; eax = original ebp 122e5eaf37440b8e337ab150c017df7c03faf846c51DRC sub esp, byte 4 123e5eaf37440b8e337ab150c017df7c03faf846c51DRC and esp, byte (-SIZEOF_MMWORD) ; align to 64 bits 124e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov [esp],eax 125e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov ebp,esp ; ebp = aligned ebp 126e5eaf37440b8e337ab150c017df7c03faf846c51DRC lea esp, [workspace] 127e5eaf37440b8e337ab150c017df7c03faf846c51DRC pushpic ebx 128e5eaf37440b8e337ab150c017df7c03faf846c51DRC; push ecx ; need not be preserved 129e5eaf37440b8e337ab150c017df7c03faf846c51DRC; push edx ; need not be preserved 130e5eaf37440b8e337ab150c017df7c03faf846c51DRC push esi 131e5eaf37440b8e337ab150c017df7c03faf846c51DRC push edi 132e5eaf37440b8e337ab150c017df7c03faf846c51DRC 133e5eaf37440b8e337ab150c017df7c03faf846c51DRC get_GOT ebx ; get GOT address 134e5eaf37440b8e337ab150c017df7c03faf846c51DRC 135e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; ---- Pass 1: process columns from input, store into work array. 136e5eaf37440b8e337ab150c017df7c03faf846c51DRC 137e5eaf37440b8e337ab150c017df7c03faf846c51DRC; mov eax, [original_ebp] 138e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov edx, POINTER [dct_table(eax)] ; quantptr 139e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov esi, JCOEFPTR [coef_block(eax)] ; inptr 1406eb7d3798b5a79347c62825fc4c16f7ce673bdd0Alex Naidis lea edi, [workspace] ; JCOEF *wsptr 141e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov ecx, DCTSIZE/4 ; ctr 142e5eaf37440b8e337ab150c017df7c03faf846c51DRC alignx 16,7 143a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru.columnloop: 144a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru%ifndef NO_ZERO_COLUMN_TEST_4X4_MMX 145e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov eax, DWORD [DWBLOCK(1,0,esi,SIZEOF_JCOEF)] 146e5eaf37440b8e337ab150c017df7c03faf846c51DRC or eax, DWORD [DWBLOCK(2,0,esi,SIZEOF_JCOEF)] 147e5eaf37440b8e337ab150c017df7c03faf846c51DRC jnz short .columnDCT 148e5eaf37440b8e337ab150c017df7c03faf846c51DRC 149e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm0, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] 150e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm1, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)] 151e5eaf37440b8e337ab150c017df7c03faf846c51DRC por mm0, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] 152e5eaf37440b8e337ab150c017df7c03faf846c51DRC por mm1, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] 153e5eaf37440b8e337ab150c017df7c03faf846c51DRC por mm0, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] 154e5eaf37440b8e337ab150c017df7c03faf846c51DRC por mm1, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] 155e5eaf37440b8e337ab150c017df7c03faf846c51DRC por mm0,mm1 156e5eaf37440b8e337ab150c017df7c03faf846c51DRC packsswb mm0,mm0 157e5eaf37440b8e337ab150c017df7c03faf846c51DRC movd eax,mm0 158e5eaf37440b8e337ab150c017df7c03faf846c51DRC test eax,eax 159e5eaf37440b8e337ab150c017df7c03faf846c51DRC jnz short .columnDCT 160e5eaf37440b8e337ab150c017df7c03faf846c51DRC 161e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; -- AC terms all zero 162e5eaf37440b8e337ab150c017df7c03faf846c51DRC 163e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] 164e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmullw mm0, MMWORD [MMBLOCK(0,0,edx,SIZEOF_ISLOW_MULT_TYPE)] 165e5eaf37440b8e337ab150c017df7c03faf846c51DRC 166e5eaf37440b8e337ab150c017df7c03faf846c51DRC psllw mm0,PASS1_BITS 167e5eaf37440b8e337ab150c017df7c03faf846c51DRC 168e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm2,mm0 ; mm0=in0=(00 01 02 03) 169e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpcklwd mm0,mm0 ; mm0=(00 00 01 01) 170e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckhwd mm2,mm2 ; mm2=(02 02 03 03) 171e5eaf37440b8e337ab150c017df7c03faf846c51DRC 172e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm1,mm0 173e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckldq mm0,mm0 ; mm0=(00 00 00 00) 174e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckhdq mm1,mm1 ; mm1=(01 01 01 01) 175e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm3,mm2 176e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckldq mm2,mm2 ; mm2=(02 02 02 02) 177e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckhdq mm3,mm3 ; mm3=(03 03 03 03) 178e5eaf37440b8e337ab150c017df7c03faf846c51DRC 179e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_JCOEF)], mm0 180e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_JCOEF)], mm1 181e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq MMWORD [MMBLOCK(2,0,edi,SIZEOF_JCOEF)], mm2 182e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq MMWORD [MMBLOCK(3,0,edi,SIZEOF_JCOEF)], mm3 183e5eaf37440b8e337ab150c017df7c03faf846c51DRC jmp near .nextcolumn 184e5eaf37440b8e337ab150c017df7c03faf846c51DRC alignx 16,7 185a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru%endif 186a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru.columnDCT: 187a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 188e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; -- Odd part 189e5eaf37440b8e337ab150c017df7c03faf846c51DRC 190e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm0, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] 191e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm1, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] 192e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmullw mm0, MMWORD [MMBLOCK(1,0,edx,SIZEOF_ISLOW_MULT_TYPE)] 193e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmullw mm1, MMWORD [MMBLOCK(3,0,edx,SIZEOF_ISLOW_MULT_TYPE)] 194e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm2, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] 195e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm3, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] 196e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmullw mm2, MMWORD [MMBLOCK(5,0,edx,SIZEOF_ISLOW_MULT_TYPE)] 197e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmullw mm3, MMWORD [MMBLOCK(7,0,edx,SIZEOF_ISLOW_MULT_TYPE)] 198e5eaf37440b8e337ab150c017df7c03faf846c51DRC 199e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm4,mm0 200e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm5,mm0 201e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpcklwd mm4,mm1 202e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckhwd mm5,mm1 203e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm0,mm4 204e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm1,mm5 205e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm4,[GOTOFF(ebx,PW_F256_F089)] ; mm4=(tmp2L) 206e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm5,[GOTOFF(ebx,PW_F256_F089)] ; mm5=(tmp2H) 207e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm0,[GOTOFF(ebx,PW_F106_MF217)] ; mm0=(tmp0L) 208e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm1,[GOTOFF(ebx,PW_F106_MF217)] ; mm1=(tmp0H) 209e5eaf37440b8e337ab150c017df7c03faf846c51DRC 210e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm6,mm2 211e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm7,mm2 212e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpcklwd mm6,mm3 213e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckhwd mm7,mm3 214e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm2,mm6 215e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm3,mm7 216e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm6,[GOTOFF(ebx,PW_MF060_MF050)] ; mm6=(tmp2L) 217e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm7,[GOTOFF(ebx,PW_MF060_MF050)] ; mm7=(tmp2H) 218e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm2,[GOTOFF(ebx,PW_F145_MF021)] ; mm2=(tmp0L) 219e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm3,[GOTOFF(ebx,PW_F145_MF021)] ; mm3=(tmp0H) 220e5eaf37440b8e337ab150c017df7c03faf846c51DRC 221e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm6,mm4 ; mm6=tmp2L 222e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm7,mm5 ; mm7=tmp2H 223e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm2,mm0 ; mm2=tmp0L 224e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm3,mm1 ; mm3=tmp0H 225e5eaf37440b8e337ab150c017df7c03faf846c51DRC 226e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq MMWORD [wk(0)], mm2 ; wk(0)=tmp0L 227e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq MMWORD [wk(1)], mm3 ; wk(1)=tmp0H 228e5eaf37440b8e337ab150c017df7c03faf846c51DRC 229e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; -- Even part 230e5eaf37440b8e337ab150c017df7c03faf846c51DRC 231e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm4, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] 232e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm5, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)] 233e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm0, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] 234e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmullw mm4, MMWORD [MMBLOCK(0,0,edx,SIZEOF_ISLOW_MULT_TYPE)] 235e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmullw mm5, MMWORD [MMBLOCK(2,0,edx,SIZEOF_ISLOW_MULT_TYPE)] 236e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmullw mm0, MMWORD [MMBLOCK(6,0,edx,SIZEOF_ISLOW_MULT_TYPE)] 237e5eaf37440b8e337ab150c017df7c03faf846c51DRC 238e5eaf37440b8e337ab150c017df7c03faf846c51DRC pxor mm1,mm1 239e5eaf37440b8e337ab150c017df7c03faf846c51DRC pxor mm2,mm2 240e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpcklwd mm1,mm4 ; mm1=tmp0L 241e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckhwd mm2,mm4 ; mm2=tmp0H 242e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm1,(16-CONST_BITS-1) ; psrad mm1,16 & pslld mm1,CONST_BITS+1 243e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm2,(16-CONST_BITS-1) ; psrad mm2,16 & pslld mm2,CONST_BITS+1 244e5eaf37440b8e337ab150c017df7c03faf846c51DRC 245e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm3,mm5 ; mm5=in2=z2 246e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpcklwd mm5,mm0 ; mm0=in6=z3 247e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckhwd mm3,mm0 248e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm5,[GOTOFF(ebx,PW_F184_MF076)] ; mm5=tmp2L 249e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm3,[GOTOFF(ebx,PW_F184_MF076)] ; mm3=tmp2H 250e5eaf37440b8e337ab150c017df7c03faf846c51DRC 251e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm4,mm1 252e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm0,mm2 253e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm1,mm5 ; mm1=tmp10L 254e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm2,mm3 ; mm2=tmp10H 255e5eaf37440b8e337ab150c017df7c03faf846c51DRC psubd mm4,mm5 ; mm4=tmp12L 256e5eaf37440b8e337ab150c017df7c03faf846c51DRC psubd mm0,mm3 ; mm0=tmp12H 257e5eaf37440b8e337ab150c017df7c03faf846c51DRC 258e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; -- Final output stage 259e5eaf37440b8e337ab150c017df7c03faf846c51DRC 260e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm5,mm1 261e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm3,mm2 262e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm1,mm6 ; mm1=data0L 263e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm2,mm7 ; mm2=data0H 264e5eaf37440b8e337ab150c017df7c03faf846c51DRC psubd mm5,mm6 ; mm5=data3L 265e5eaf37440b8e337ab150c017df7c03faf846c51DRC psubd mm3,mm7 ; mm3=data3H 266e5eaf37440b8e337ab150c017df7c03faf846c51DRC 267e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm6,[GOTOFF(ebx,PD_DESCALE_P1_4)] ; mm6=[PD_DESCALE_P1_4] 268e5eaf37440b8e337ab150c017df7c03faf846c51DRC 269e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm1,mm6 270e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm2,mm6 271e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm1,DESCALE_P1_4 272e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm2,DESCALE_P1_4 273e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm5,mm6 274e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm3,mm6 275e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm5,DESCALE_P1_4 276e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm3,DESCALE_P1_4 277e5eaf37440b8e337ab150c017df7c03faf846c51DRC 278e5eaf37440b8e337ab150c017df7c03faf846c51DRC packssdw mm1,mm2 ; mm1=data0=(00 01 02 03) 279e5eaf37440b8e337ab150c017df7c03faf846c51DRC packssdw mm5,mm3 ; mm5=data3=(30 31 32 33) 280e5eaf37440b8e337ab150c017df7c03faf846c51DRC 281e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm7, MMWORD [wk(0)] ; mm7=tmp0L 282e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm6, MMWORD [wk(1)] ; mm6=tmp0H 283e5eaf37440b8e337ab150c017df7c03faf846c51DRC 284e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm2,mm4 285e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm3,mm0 286e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm4,mm7 ; mm4=data1L 287e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm0,mm6 ; mm0=data1H 288e5eaf37440b8e337ab150c017df7c03faf846c51DRC psubd mm2,mm7 ; mm2=data2L 289e5eaf37440b8e337ab150c017df7c03faf846c51DRC psubd mm3,mm6 ; mm3=data2H 290e5eaf37440b8e337ab150c017df7c03faf846c51DRC 291e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm7,[GOTOFF(ebx,PD_DESCALE_P1_4)] ; mm7=[PD_DESCALE_P1_4] 292e5eaf37440b8e337ab150c017df7c03faf846c51DRC 293e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm4,mm7 294e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm0,mm7 295e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm4,DESCALE_P1_4 296e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm0,DESCALE_P1_4 297e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm2,mm7 298e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm3,mm7 299e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm2,DESCALE_P1_4 300e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm3,DESCALE_P1_4 301e5eaf37440b8e337ab150c017df7c03faf846c51DRC 302e5eaf37440b8e337ab150c017df7c03faf846c51DRC packssdw mm4,mm0 ; mm4=data1=(10 11 12 13) 303e5eaf37440b8e337ab150c017df7c03faf846c51DRC packssdw mm2,mm3 ; mm2=data2=(20 21 22 23) 304e5eaf37440b8e337ab150c017df7c03faf846c51DRC 305e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm6,mm1 ; transpose coefficients(phase 1) 306e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpcklwd mm1,mm4 ; mm1=(00 10 01 11) 307e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckhwd mm6,mm4 ; mm6=(02 12 03 13) 308e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm7,mm2 ; transpose coefficients(phase 1) 309e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpcklwd mm2,mm5 ; mm2=(20 30 21 31) 310e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckhwd mm7,mm5 ; mm7=(22 32 23 33) 311e5eaf37440b8e337ab150c017df7c03faf846c51DRC 312e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm0,mm1 ; transpose coefficients(phase 2) 313e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckldq mm1,mm2 ; mm1=(00 10 20 30) 314e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckhdq mm0,mm2 ; mm0=(01 11 21 31) 315e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm3,mm6 ; transpose coefficients(phase 2) 316e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckldq mm6,mm7 ; mm6=(02 12 22 32) 317e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckhdq mm3,mm7 ; mm3=(03 13 23 33) 318e5eaf37440b8e337ab150c017df7c03faf846c51DRC 319e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_JCOEF)], mm1 320e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_JCOEF)], mm0 321e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq MMWORD [MMBLOCK(2,0,edi,SIZEOF_JCOEF)], mm6 322e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq MMWORD [MMBLOCK(3,0,edi,SIZEOF_JCOEF)], mm3 323a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 324a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru.nextcolumn: 325e5eaf37440b8e337ab150c017df7c03faf846c51DRC add esi, byte 4*SIZEOF_JCOEF ; coef_block 326e5eaf37440b8e337ab150c017df7c03faf846c51DRC add edx, byte 4*SIZEOF_ISLOW_MULT_TYPE ; quantptr 327e5eaf37440b8e337ab150c017df7c03faf846c51DRC add edi, byte 4*DCTSIZE*SIZEOF_JCOEF ; wsptr 328e5eaf37440b8e337ab150c017df7c03faf846c51DRC dec ecx ; ctr 329e5eaf37440b8e337ab150c017df7c03faf846c51DRC jnz near .columnloop 330e5eaf37440b8e337ab150c017df7c03faf846c51DRC 331e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; ---- Pass 2: process rows from work array, store into output array. 332e5eaf37440b8e337ab150c017df7c03faf846c51DRC 333e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov eax, [original_ebp] 3346eb7d3798b5a79347c62825fc4c16f7ce673bdd0Alex Naidis lea esi, [workspace] ; JCOEF *wsptr 335e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov edi, JSAMPARRAY [output_buf(eax)] ; (JSAMPROW *) 336e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov eax, JDIMENSION [output_col(eax)] 337e5eaf37440b8e337ab150c017df7c03faf846c51DRC 338e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; -- Odd part 339e5eaf37440b8e337ab150c017df7c03faf846c51DRC 340e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm0, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] 341e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm1, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] 342e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm2, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] 343e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm3, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] 344e5eaf37440b8e337ab150c017df7c03faf846c51DRC 345e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm4,mm0 346e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm5,mm0 347e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpcklwd mm4,mm1 348e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckhwd mm5,mm1 349e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm0,mm4 350e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm1,mm5 351e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm4,[GOTOFF(ebx,PW_F256_F089)] ; mm4=(tmp2L) 352e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm5,[GOTOFF(ebx,PW_F256_F089)] ; mm5=(tmp2H) 353e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm0,[GOTOFF(ebx,PW_F106_MF217)] ; mm0=(tmp0L) 354e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm1,[GOTOFF(ebx,PW_F106_MF217)] ; mm1=(tmp0H) 355e5eaf37440b8e337ab150c017df7c03faf846c51DRC 356e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm6,mm2 357e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm7,mm2 358e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpcklwd mm6,mm3 359e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckhwd mm7,mm3 360e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm2,mm6 361e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm3,mm7 362e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm6,[GOTOFF(ebx,PW_MF060_MF050)] ; mm6=(tmp2L) 363e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm7,[GOTOFF(ebx,PW_MF060_MF050)] ; mm7=(tmp2H) 364e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm2,[GOTOFF(ebx,PW_F145_MF021)] ; mm2=(tmp0L) 365e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm3,[GOTOFF(ebx,PW_F145_MF021)] ; mm3=(tmp0H) 366e5eaf37440b8e337ab150c017df7c03faf846c51DRC 367e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm6,mm4 ; mm6=tmp2L 368e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm7,mm5 ; mm7=tmp2H 369e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm2,mm0 ; mm2=tmp0L 370e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm3,mm1 ; mm3=tmp0H 371e5eaf37440b8e337ab150c017df7c03faf846c51DRC 372e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq MMWORD [wk(0)], mm2 ; wk(0)=tmp0L 373e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq MMWORD [wk(1)], mm3 ; wk(1)=tmp0H 374e5eaf37440b8e337ab150c017df7c03faf846c51DRC 375e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; -- Even part 376e5eaf37440b8e337ab150c017df7c03faf846c51DRC 377e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm4, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] 378e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm5, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)] 379e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm0, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] 380e5eaf37440b8e337ab150c017df7c03faf846c51DRC 381e5eaf37440b8e337ab150c017df7c03faf846c51DRC pxor mm1,mm1 382e5eaf37440b8e337ab150c017df7c03faf846c51DRC pxor mm2,mm2 383e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpcklwd mm1,mm4 ; mm1=tmp0L 384e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckhwd mm2,mm4 ; mm2=tmp0H 385e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm1,(16-CONST_BITS-1) ; psrad mm1,16 & pslld mm1,CONST_BITS+1 386e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm2,(16-CONST_BITS-1) ; psrad mm2,16 & pslld mm2,CONST_BITS+1 387e5eaf37440b8e337ab150c017df7c03faf846c51DRC 388e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm3,mm5 ; mm5=in2=z2 389e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpcklwd mm5,mm0 ; mm0=in6=z3 390e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckhwd mm3,mm0 391e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm5,[GOTOFF(ebx,PW_F184_MF076)] ; mm5=tmp2L 392e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm3,[GOTOFF(ebx,PW_F184_MF076)] ; mm3=tmp2H 393e5eaf37440b8e337ab150c017df7c03faf846c51DRC 394e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm4,mm1 395e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm0,mm2 396e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm1,mm5 ; mm1=tmp10L 397e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm2,mm3 ; mm2=tmp10H 398e5eaf37440b8e337ab150c017df7c03faf846c51DRC psubd mm4,mm5 ; mm4=tmp12L 399e5eaf37440b8e337ab150c017df7c03faf846c51DRC psubd mm0,mm3 ; mm0=tmp12H 400e5eaf37440b8e337ab150c017df7c03faf846c51DRC 401e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; -- Final output stage 402e5eaf37440b8e337ab150c017df7c03faf846c51DRC 403e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm5,mm1 404e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm3,mm2 405e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm1,mm6 ; mm1=data0L 406e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm2,mm7 ; mm2=data0H 407e5eaf37440b8e337ab150c017df7c03faf846c51DRC psubd mm5,mm6 ; mm5=data3L 408e5eaf37440b8e337ab150c017df7c03faf846c51DRC psubd mm3,mm7 ; mm3=data3H 409e5eaf37440b8e337ab150c017df7c03faf846c51DRC 410e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm6,[GOTOFF(ebx,PD_DESCALE_P2_4)] ; mm6=[PD_DESCALE_P2_4] 411e5eaf37440b8e337ab150c017df7c03faf846c51DRC 412e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm1,mm6 413e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm2,mm6 414e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm1,DESCALE_P2_4 415e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm2,DESCALE_P2_4 416e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm5,mm6 417e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm3,mm6 418e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm5,DESCALE_P2_4 419e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm3,DESCALE_P2_4 420e5eaf37440b8e337ab150c017df7c03faf846c51DRC 421e5eaf37440b8e337ab150c017df7c03faf846c51DRC packssdw mm1,mm2 ; mm1=data0=(00 10 20 30) 422e5eaf37440b8e337ab150c017df7c03faf846c51DRC packssdw mm5,mm3 ; mm5=data3=(03 13 23 33) 423e5eaf37440b8e337ab150c017df7c03faf846c51DRC 424e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm7, MMWORD [wk(0)] ; mm7=tmp0L 425e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm6, MMWORD [wk(1)] ; mm6=tmp0H 426e5eaf37440b8e337ab150c017df7c03faf846c51DRC 427e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm2,mm4 428e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm3,mm0 429e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm4,mm7 ; mm4=data1L 430e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm0,mm6 ; mm0=data1H 431e5eaf37440b8e337ab150c017df7c03faf846c51DRC psubd mm2,mm7 ; mm2=data2L 432e5eaf37440b8e337ab150c017df7c03faf846c51DRC psubd mm3,mm6 ; mm3=data2H 433e5eaf37440b8e337ab150c017df7c03faf846c51DRC 434e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm7,[GOTOFF(ebx,PD_DESCALE_P2_4)] ; mm7=[PD_DESCALE_P2_4] 435e5eaf37440b8e337ab150c017df7c03faf846c51DRC 436e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm4,mm7 437e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm0,mm7 438e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm4,DESCALE_P2_4 439e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm0,DESCALE_P2_4 440e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm2,mm7 441e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm3,mm7 442e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm2,DESCALE_P2_4 443e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm3,DESCALE_P2_4 444e5eaf37440b8e337ab150c017df7c03faf846c51DRC 445e5eaf37440b8e337ab150c017df7c03faf846c51DRC packssdw mm4,mm0 ; mm4=data1=(01 11 21 31) 446e5eaf37440b8e337ab150c017df7c03faf846c51DRC packssdw mm2,mm3 ; mm2=data2=(02 12 22 32) 447e5eaf37440b8e337ab150c017df7c03faf846c51DRC 448e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm6,[GOTOFF(ebx,PB_CENTERJSAMP)] ; mm6=[PB_CENTERJSAMP] 449e5eaf37440b8e337ab150c017df7c03faf846c51DRC 450e5eaf37440b8e337ab150c017df7c03faf846c51DRC packsswb mm1,mm2 ; mm1=(00 10 20 30 02 12 22 32) 451e5eaf37440b8e337ab150c017df7c03faf846c51DRC packsswb mm4,mm5 ; mm4=(01 11 21 31 03 13 23 33) 452e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddb mm1,mm6 453e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddb mm4,mm6 454e5eaf37440b8e337ab150c017df7c03faf846c51DRC 455e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm7,mm1 ; transpose coefficients(phase 1) 456e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpcklbw mm1,mm4 ; mm1=(00 01 10 11 20 21 30 31) 457e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckhbw mm7,mm4 ; mm7=(02 03 12 13 22 23 32 33) 458e5eaf37440b8e337ab150c017df7c03faf846c51DRC 459e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm0,mm1 ; transpose coefficients(phase 2) 460e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpcklwd mm1,mm7 ; mm1=(00 01 02 03 10 11 12 13) 461e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckhwd mm0,mm7 ; mm0=(20 21 22 23 30 31 32 33) 462e5eaf37440b8e337ab150c017df7c03faf846c51DRC 463e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] 464e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov esi, JSAMPROW [edi+2*SIZEOF_JSAMPROW] 465e5eaf37440b8e337ab150c017df7c03faf846c51DRC movd DWORD [edx+eax*SIZEOF_JSAMPLE], mm1 466e5eaf37440b8e337ab150c017df7c03faf846c51DRC movd DWORD [esi+eax*SIZEOF_JSAMPLE], mm0 467e5eaf37440b8e337ab150c017df7c03faf846c51DRC 468e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrlq mm1,4*BYTE_BIT 469e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrlq mm0,4*BYTE_BIT 470e5eaf37440b8e337ab150c017df7c03faf846c51DRC 471e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov edx, JSAMPROW [edi+1*SIZEOF_JSAMPROW] 472e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov esi, JSAMPROW [edi+3*SIZEOF_JSAMPROW] 473e5eaf37440b8e337ab150c017df7c03faf846c51DRC movd DWORD [edx+eax*SIZEOF_JSAMPLE], mm1 474e5eaf37440b8e337ab150c017df7c03faf846c51DRC movd DWORD [esi+eax*SIZEOF_JSAMPLE], mm0 475e5eaf37440b8e337ab150c017df7c03faf846c51DRC 476e5eaf37440b8e337ab150c017df7c03faf846c51DRC emms ; empty MMX state 477e5eaf37440b8e337ab150c017df7c03faf846c51DRC 478e5eaf37440b8e337ab150c017df7c03faf846c51DRC pop edi 479e5eaf37440b8e337ab150c017df7c03faf846c51DRC pop esi 480e5eaf37440b8e337ab150c017df7c03faf846c51DRC; pop edx ; need not be preserved 481e5eaf37440b8e337ab150c017df7c03faf846c51DRC; pop ecx ; need not be preserved 482e5eaf37440b8e337ab150c017df7c03faf846c51DRC poppic ebx 483e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov esp,ebp ; esp <- aligned ebp 484e5eaf37440b8e337ab150c017df7c03faf846c51DRC pop esp ; esp <- original ebp 485e5eaf37440b8e337ab150c017df7c03faf846c51DRC pop ebp 486e5eaf37440b8e337ab150c017df7c03faf846c51DRC ret 487a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 488a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 489a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; -------------------------------------------------------------------------- 490a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; 491a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; Perform dequantization and inverse DCT on one block of coefficients, 492a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; producing a reduced-size 2x2 output block. 493a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; 494a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; GLOBAL(void) 4956eb7d3798b5a79347c62825fc4c16f7ce673bdd0Alex Naidis; jsimd_idct_2x2_mmx (void *dct_table, JCOEFPTR coef_block, 4965eb84ff97f00c02aadfdce0cb30ab3e899c1b113Pierre Ossman; JSAMPARRAY output_buf, JDIMENSION output_col) 497a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru; 498a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 4996eb7d3798b5a79347c62825fc4c16f7ce673bdd0Alex Naidis%define dct_table(b) (b)+8 ; void *dct_table 500e5eaf37440b8e337ab150c017df7c03faf846c51DRC%define coef_block(b) (b)+12 ; JCOEFPTR coef_block 501e5eaf37440b8e337ab150c017df7c03faf846c51DRC%define output_buf(b) (b)+16 ; JSAMPARRAY output_buf 502e5eaf37440b8e337ab150c017df7c03faf846c51DRC%define output_col(b) (b)+20 ; JDIMENSION output_col 503a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 504e5eaf37440b8e337ab150c017df7c03faf846c51DRC align 16 505e5eaf37440b8e337ab150c017df7c03faf846c51DRC global EXTN(jsimd_idct_2x2_mmx) 506a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 5075eb84ff97f00c02aadfdce0cb30ab3e899c1b113Pierre OssmanEXTN(jsimd_idct_2x2_mmx): 508e5eaf37440b8e337ab150c017df7c03faf846c51DRC push ebp 509e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov ebp,esp 510e5eaf37440b8e337ab150c017df7c03faf846c51DRC push ebx 511e5eaf37440b8e337ab150c017df7c03faf846c51DRC; push ecx ; need not be preserved 512e5eaf37440b8e337ab150c017df7c03faf846c51DRC; push edx ; need not be preserved 513e5eaf37440b8e337ab150c017df7c03faf846c51DRC push esi 514e5eaf37440b8e337ab150c017df7c03faf846c51DRC push edi 515e5eaf37440b8e337ab150c017df7c03faf846c51DRC 516e5eaf37440b8e337ab150c017df7c03faf846c51DRC get_GOT ebx ; get GOT address 517e5eaf37440b8e337ab150c017df7c03faf846c51DRC 518e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; ---- Pass 1: process columns from input. 519e5eaf37440b8e337ab150c017df7c03faf846c51DRC 520e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov edx, POINTER [dct_table(ebp)] ; quantptr 521e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov esi, JCOEFPTR [coef_block(ebp)] ; inptr 522e5eaf37440b8e337ab150c017df7c03faf846c51DRC 523e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; | input: | result: | 524e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; | 00 01 ** 03 ** 05 ** 07 | | 525e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; | 10 11 ** 13 ** 15 ** 17 | | 526e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; | ** ** ** ** ** ** ** ** | | 527e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; | 30 31 ** 33 ** 35 ** 37 | A0 A1 A3 A5 A7 | 528e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; | ** ** ** ** ** ** ** ** | B0 B1 B3 B5 B7 | 529e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; | 50 51 ** 53 ** 55 ** 57 | | 530e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; | ** ** ** ** ** ** ** ** | | 531e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; | 70 71 ** 73 ** 75 ** 77 | | 532e5eaf37440b8e337ab150c017df7c03faf846c51DRC 533e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; -- Odd part 534e5eaf37440b8e337ab150c017df7c03faf846c51DRC 535e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm0, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] 536e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm1, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] 537e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmullw mm0, MMWORD [MMBLOCK(1,0,edx,SIZEOF_ISLOW_MULT_TYPE)] 538e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmullw mm1, MMWORD [MMBLOCK(3,0,edx,SIZEOF_ISLOW_MULT_TYPE)] 539e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm2, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] 540e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm3, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] 541e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmullw mm2, MMWORD [MMBLOCK(5,0,edx,SIZEOF_ISLOW_MULT_TYPE)] 542e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmullw mm3, MMWORD [MMBLOCK(7,0,edx,SIZEOF_ISLOW_MULT_TYPE)] 543e5eaf37440b8e337ab150c017df7c03faf846c51DRC 544e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; mm0=(10 11 ** 13), mm1=(30 31 ** 33) 545e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; mm2=(50 51 ** 53), mm3=(70 71 ** 73) 546e5eaf37440b8e337ab150c017df7c03faf846c51DRC 547e5eaf37440b8e337ab150c017df7c03faf846c51DRC pcmpeqd mm7,mm7 548e5eaf37440b8e337ab150c017df7c03faf846c51DRC pslld mm7,WORD_BIT ; mm7={0x0000 0xFFFF 0x0000 0xFFFF} 549e5eaf37440b8e337ab150c017df7c03faf846c51DRC 550e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm4,mm0 ; mm4=(10 11 ** 13) 551e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm5,mm2 ; mm5=(50 51 ** 53) 552e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpcklwd mm4,mm1 ; mm4=(10 30 11 31) 553e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpcklwd mm5,mm3 ; mm5=(50 70 51 71) 554e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm4,[GOTOFF(ebx,PW_F362_MF127)] 555e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm5,[GOTOFF(ebx,PW_F085_MF072)] 556e5eaf37440b8e337ab150c017df7c03faf846c51DRC 557e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrld mm0,WORD_BIT ; mm0=(11 -- 13 --) 558e5eaf37440b8e337ab150c017df7c03faf846c51DRC pand mm1,mm7 ; mm1=(-- 31 -- 33) 559e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrld mm2,WORD_BIT ; mm2=(51 -- 53 --) 560e5eaf37440b8e337ab150c017df7c03faf846c51DRC pand mm3,mm7 ; mm3=(-- 71 -- 73) 561e5eaf37440b8e337ab150c017df7c03faf846c51DRC por mm0,mm1 ; mm0=(11 31 13 33) 562e5eaf37440b8e337ab150c017df7c03faf846c51DRC por mm2,mm3 ; mm2=(51 71 53 73) 563e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm0,[GOTOFF(ebx,PW_F362_MF127)] 564e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm2,[GOTOFF(ebx,PW_F085_MF072)] 565e5eaf37440b8e337ab150c017df7c03faf846c51DRC 566e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm4,mm5 ; mm4=tmp0[col0 col1] 567e5eaf37440b8e337ab150c017df7c03faf846c51DRC 568e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm6, MMWORD [MMBLOCK(1,1,esi,SIZEOF_JCOEF)] 569e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm1, MMWORD [MMBLOCK(3,1,esi,SIZEOF_JCOEF)] 570e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmullw mm6, MMWORD [MMBLOCK(1,1,edx,SIZEOF_ISLOW_MULT_TYPE)] 571e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmullw mm1, MMWORD [MMBLOCK(3,1,edx,SIZEOF_ISLOW_MULT_TYPE)] 572e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm3, MMWORD [MMBLOCK(5,1,esi,SIZEOF_JCOEF)] 573e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm5, MMWORD [MMBLOCK(7,1,esi,SIZEOF_JCOEF)] 574e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmullw mm3, MMWORD [MMBLOCK(5,1,edx,SIZEOF_ISLOW_MULT_TYPE)] 575e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmullw mm5, MMWORD [MMBLOCK(7,1,edx,SIZEOF_ISLOW_MULT_TYPE)] 576e5eaf37440b8e337ab150c017df7c03faf846c51DRC 577e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; mm6=(** 15 ** 17), mm1=(** 35 ** 37) 578e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; mm3=(** 55 ** 57), mm5=(** 75 ** 77) 579e5eaf37440b8e337ab150c017df7c03faf846c51DRC 580e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrld mm6,WORD_BIT ; mm6=(15 -- 17 --) 581e5eaf37440b8e337ab150c017df7c03faf846c51DRC pand mm1,mm7 ; mm1=(-- 35 -- 37) 582e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrld mm3,WORD_BIT ; mm3=(55 -- 57 --) 583e5eaf37440b8e337ab150c017df7c03faf846c51DRC pand mm5,mm7 ; mm5=(-- 75 -- 77) 584e5eaf37440b8e337ab150c017df7c03faf846c51DRC por mm6,mm1 ; mm6=(15 35 17 37) 585e5eaf37440b8e337ab150c017df7c03faf846c51DRC por mm3,mm5 ; mm3=(55 75 57 77) 586e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm6,[GOTOFF(ebx,PW_F362_MF127)] 587e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm3,[GOTOFF(ebx,PW_F085_MF072)] 588e5eaf37440b8e337ab150c017df7c03faf846c51DRC 589e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm0,mm2 ; mm0=tmp0[col1 col3] 590e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm6,mm3 ; mm6=tmp0[col5 col7] 591e5eaf37440b8e337ab150c017df7c03faf846c51DRC 592e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; -- Even part 593e5eaf37440b8e337ab150c017df7c03faf846c51DRC 594e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm1, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] 595e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm5, MMWORD [MMBLOCK(0,1,esi,SIZEOF_JCOEF)] 596e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmullw mm1, MMWORD [MMBLOCK(0,0,edx,SIZEOF_ISLOW_MULT_TYPE)] 597e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmullw mm5, MMWORD [MMBLOCK(0,1,edx,SIZEOF_ISLOW_MULT_TYPE)] 598e5eaf37440b8e337ab150c017df7c03faf846c51DRC 599e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; mm1=(00 01 ** 03), mm5=(** 05 ** 07) 600e5eaf37440b8e337ab150c017df7c03faf846c51DRC 601e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm2,mm1 ; mm2=(00 01 ** 03) 602e5eaf37440b8e337ab150c017df7c03faf846c51DRC pslld mm1,WORD_BIT ; mm1=(-- 00 -- **) 603e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm1,(WORD_BIT-CONST_BITS-2) ; mm1=tmp10[col0 ****] 604e5eaf37440b8e337ab150c017df7c03faf846c51DRC 605e5eaf37440b8e337ab150c017df7c03faf846c51DRC pand mm2,mm7 ; mm2=(-- 01 -- 03) 606e5eaf37440b8e337ab150c017df7c03faf846c51DRC pand mm5,mm7 ; mm5=(-- 05 -- 07) 607e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm2,(WORD_BIT-CONST_BITS-2) ; mm2=tmp10[col1 col3] 608e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm5,(WORD_BIT-CONST_BITS-2) ; mm5=tmp10[col5 col7] 609e5eaf37440b8e337ab150c017df7c03faf846c51DRC 610e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; -- Final output stage 611e5eaf37440b8e337ab150c017df7c03faf846c51DRC 612e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm3,mm1 613e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm1,mm4 ; mm1=data0[col0 ****]=(A0 **) 614e5eaf37440b8e337ab150c017df7c03faf846c51DRC psubd mm3,mm4 ; mm3=data1[col0 ****]=(B0 **) 615e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckldq mm1,mm3 ; mm1=(A0 B0) 616e5eaf37440b8e337ab150c017df7c03faf846c51DRC 617e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm7,[GOTOFF(ebx,PD_DESCALE_P1_2)] ; mm7=[PD_DESCALE_P1_2] 618e5eaf37440b8e337ab150c017df7c03faf846c51DRC 619e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm4,mm2 620e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm3,mm5 621e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm2,mm0 ; mm2=data0[col1 col3]=(A1 A3) 622e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm5,mm6 ; mm5=data0[col5 col7]=(A5 A7) 623e5eaf37440b8e337ab150c017df7c03faf846c51DRC psubd mm4,mm0 ; mm4=data1[col1 col3]=(B1 B3) 624e5eaf37440b8e337ab150c017df7c03faf846c51DRC psubd mm3,mm6 ; mm3=data1[col5 col7]=(B5 B7) 625e5eaf37440b8e337ab150c017df7c03faf846c51DRC 626e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm1,mm7 627e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm1,DESCALE_P1_2 628e5eaf37440b8e337ab150c017df7c03faf846c51DRC 629e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm2,mm7 630e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm5,mm7 631e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm2,DESCALE_P1_2 632e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm5,DESCALE_P1_2 633e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm4,mm7 634e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm3,mm7 635e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm4,DESCALE_P1_2 636e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm3,DESCALE_P1_2 637e5eaf37440b8e337ab150c017df7c03faf846c51DRC 638e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; ---- Pass 2: process rows, store into output array. 639e5eaf37440b8e337ab150c017df7c03faf846c51DRC 640e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov edi, JSAMPARRAY [output_buf(ebp)] ; (JSAMPROW *) 641e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov eax, JDIMENSION [output_col(ebp)] 642e5eaf37440b8e337ab150c017df7c03faf846c51DRC 643e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; | input:| result:| 644e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; | A0 B0 | | 645e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; | A1 B1 | C0 C1 | 646e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; | A3 B3 | D0 D1 | 647e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; | A5 B5 | | 648e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; | A7 B7 | | 649e5eaf37440b8e337ab150c017df7c03faf846c51DRC 650e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; -- Odd part 651e5eaf37440b8e337ab150c017df7c03faf846c51DRC 652e5eaf37440b8e337ab150c017df7c03faf846c51DRC packssdw mm2,mm4 ; mm2=(A1 A3 B1 B3) 653e5eaf37440b8e337ab150c017df7c03faf846c51DRC packssdw mm5,mm3 ; mm5=(A5 A7 B5 B7) 654e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm2,[GOTOFF(ebx,PW_F362_MF127)] 655e5eaf37440b8e337ab150c017df7c03faf846c51DRC pmaddwd mm5,[GOTOFF(ebx,PW_F085_MF072)] 656a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 657e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm2,mm5 ; mm2=tmp0[row0 row1] 658e5eaf37440b8e337ab150c017df7c03faf846c51DRC 659e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; -- Even part 660a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 661e5eaf37440b8e337ab150c017df7c03faf846c51DRC pslld mm1,(CONST_BITS+2) ; mm1=tmp10[row0 row1] 662a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 663e5eaf37440b8e337ab150c017df7c03faf846c51DRC ; -- Final output stage 664a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 665e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm0,[GOTOFF(ebx,PD_DESCALE_P2_2)] ; mm0=[PD_DESCALE_P2_2] 666a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 667e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm6,mm1 668e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm1,mm2 ; mm1=data0[row0 row1]=(C0 C1) 669e5eaf37440b8e337ab150c017df7c03faf846c51DRC psubd mm6,mm2 ; mm6=data1[row0 row1]=(D0 D1) 670a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 671e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm1,mm0 672e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddd mm6,mm0 673e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm1,DESCALE_P2_2 674e5eaf37440b8e337ab150c017df7c03faf846c51DRC psrad mm6,DESCALE_P2_2 675a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 676e5eaf37440b8e337ab150c017df7c03faf846c51DRC movq mm7,mm1 ; transpose coefficients 677e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckldq mm1,mm6 ; mm1=(C0 D0) 678e5eaf37440b8e337ab150c017df7c03faf846c51DRC punpckhdq mm7,mm6 ; mm7=(C1 D1) 679a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 680e5eaf37440b8e337ab150c017df7c03faf846c51DRC packssdw mm1,mm7 ; mm1=(C0 D0 C1 D1) 681e5eaf37440b8e337ab150c017df7c03faf846c51DRC packsswb mm1,mm1 ; mm1=(C0 D0 C1 D1 C0 D0 C1 D1) 682e5eaf37440b8e337ab150c017df7c03faf846c51DRC paddb mm1,[GOTOFF(ebx,PB_CENTERJSAMP)] 683a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 684e5eaf37440b8e337ab150c017df7c03faf846c51DRC movd ecx,mm1 685e5eaf37440b8e337ab150c017df7c03faf846c51DRC movd ebx,mm1 ; ebx=(C0 D0 C1 D1) 686e5eaf37440b8e337ab150c017df7c03faf846c51DRC shr ecx,2*BYTE_BIT ; ecx=(C1 D1 -- --) 687a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 688e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] 689e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov esi, JSAMPROW [edi+1*SIZEOF_JSAMPROW] 690e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov WORD [edx+eax*SIZEOF_JSAMPLE], bx 691e5eaf37440b8e337ab150c017df7c03faf846c51DRC mov WORD [esi+eax*SIZEOF_JSAMPLE], cx 692a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 693e5eaf37440b8e337ab150c017df7c03faf846c51DRC emms ; empty MMX state 694a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 695e5eaf37440b8e337ab150c017df7c03faf846c51DRC pop edi 696e5eaf37440b8e337ab150c017df7c03faf846c51DRC pop esi 697e5eaf37440b8e337ab150c017df7c03faf846c51DRC; pop edx ; need not be preserved 698e5eaf37440b8e337ab150c017df7c03faf846c51DRC; pop ecx ; need not be preserved 699e5eaf37440b8e337ab150c017df7c03faf846c51DRC pop ebx 700e5eaf37440b8e337ab150c017df7c03faf846c51DRC pop ebp 701e5eaf37440b8e337ab150c017df7c03faf846c51DRC ret 702a2e6a9dd47eb10c701a42a16f305ded1a02cd886MIYASAKA Masaru 703132b5fdd6d1b70c32d76ff5389bd6e183e363f4dDRC; For some reason, the OS X linker does not honor the request to align the 704132b5fdd6d1b70c32d76ff5389bd6e183e363f4dDRC; segment unless we do this. 705e5eaf37440b8e337ab150c017df7c03faf846c51DRC align 16 706