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Diffstat (limited to 'media/libjpeg/simd/jidctint-mmx.asm')
-rw-r--r-- | media/libjpeg/simd/jidctint-mmx.asm | 851 |
1 files changed, 0 insertions, 851 deletions
diff --git a/media/libjpeg/simd/jidctint-mmx.asm b/media/libjpeg/simd/jidctint-mmx.asm deleted file mode 100644 index 5bd198120b..0000000000 --- a/media/libjpeg/simd/jidctint-mmx.asm +++ /dev/null @@ -1,851 +0,0 @@ -; -; jidctint.asm - accurate integer IDCT (MMX) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on the x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; This file contains a slow-but-accurate integer implementation of the -; inverse DCT (Discrete Cosine Transform). The following code is based -; directly on the IJG's original jidctint.c; see the jidctint.c for -; more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%define CONST_BITS 13 -%define PASS1_BITS 2 - -%define DESCALE_P1 (CONST_BITS-PASS1_BITS) -%define DESCALE_P2 (CONST_BITS+PASS1_BITS+3) - -%if CONST_BITS == 13 -F_0_298 equ 2446 ; FIX(0.298631336) -F_0_390 equ 3196 ; FIX(0.390180644) -F_0_541 equ 4433 ; FIX(0.541196100) -F_0_765 equ 6270 ; FIX(0.765366865) -F_0_899 equ 7373 ; FIX(0.899976223) -F_1_175 equ 9633 ; FIX(1.175875602) -F_1_501 equ 12299 ; FIX(1.501321110) -F_1_847 equ 15137 ; FIX(1.847759065) -F_1_961 equ 16069 ; FIX(1.961570560) -F_2_053 equ 16819 ; FIX(2.053119869) -F_2_562 equ 20995 ; FIX(2.562915447) -F_3_072 equ 25172 ; FIX(3.072711026) -%else -; NASM cannot do compile-time arithmetic on floating-point constants. -%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n)) -F_0_298 equ DESCALE( 320652955,30-CONST_BITS) ; FIX(0.298631336) -F_0_390 equ DESCALE( 418953276,30-CONST_BITS) ; FIX(0.390180644) -F_0_541 equ DESCALE( 581104887,30-CONST_BITS) ; FIX(0.541196100) -F_0_765 equ DESCALE( 821806413,30-CONST_BITS) ; FIX(0.765366865) -F_0_899 equ DESCALE( 966342111,30-CONST_BITS) ; FIX(0.899976223) -F_1_175 equ DESCALE(1262586813,30-CONST_BITS) ; FIX(1.175875602) -F_1_501 equ DESCALE(1612031267,30-CONST_BITS) ; FIX(1.501321110) -F_1_847 equ DESCALE(1984016188,30-CONST_BITS) ; FIX(1.847759065) -F_1_961 equ DESCALE(2106220350,30-CONST_BITS) ; FIX(1.961570560) -F_2_053 equ DESCALE(2204520673,30-CONST_BITS) ; FIX(2.053119869) -F_2_562 equ DESCALE(2751909506,30-CONST_BITS) ; FIX(2.562915447) -F_3_072 equ DESCALE(3299298341,30-CONST_BITS) ; FIX(3.072711026) -%endif - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_idct_islow_mmx) - -EXTN(jconst_idct_islow_mmx): - -PW_F130_F054 times 2 dw (F_0_541+F_0_765), F_0_541 -PW_F054_MF130 times 2 dw F_0_541, (F_0_541-F_1_847) -PW_MF078_F117 times 2 dw (F_1_175-F_1_961), F_1_175 -PW_F117_F078 times 2 dw F_1_175, (F_1_175-F_0_390) -PW_MF060_MF089 times 2 dw (F_0_298-F_0_899),-F_0_899 -PW_MF089_F060 times 2 dw -F_0_899, (F_1_501-F_0_899) -PW_MF050_MF256 times 2 dw (F_2_053-F_2_562),-F_2_562 -PW_MF256_F050 times 2 dw -F_2_562, (F_3_072-F_2_562) -PD_DESCALE_P1 times 2 dd 1 << (DESCALE_P1-1) -PD_DESCALE_P2 times 2 dd 1 << (DESCALE_P2-1) -PB_CENTERJSAMP times 8 db CENTERJSAMPLE - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Perform dequantization and inverse DCT on one block of coefficients. -; -; GLOBAL(void) -; jsimd_idct_islow_mmx (void *dct_table, JCOEFPTR coef_block, -; JSAMPARRAY output_buf, JDIMENSION output_col) -; - -%define dct_table(b) (b)+8 ; jpeg_component_info *compptr -%define coef_block(b) (b)+12 ; JCOEFPTR coef_block -%define output_buf(b) (b)+16 ; JSAMPARRAY output_buf -%define output_col(b) (b)+20 ; JDIMENSION output_col - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM] -%define WK_NUM 12 -%define workspace wk(0)-DCTSIZE2*SIZEOF_JCOEF - ; JCOEF workspace[DCTSIZE2] - - align 16 - global EXTN(jsimd_idct_islow_mmx) - -EXTN(jsimd_idct_islow_mmx): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_MMWORD) ; align to 64 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [workspace] - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - - ; ---- Pass 1: process columns from input, store into work array. - -; mov eax, [original_ebp] - mov edx, POINTER [dct_table(eax)] ; quantptr - mov esi, JCOEFPTR [coef_block(eax)] ; inptr - lea edi, [workspace] ; JCOEF *wsptr - mov ecx, DCTSIZE/4 ; ctr - alignx 16,7 -.columnloop: -%ifndef NO_ZERO_COLUMN_TEST_ISLOW_MMX - mov eax, DWORD [DWBLOCK(1,0,esi,SIZEOF_JCOEF)] - or eax, DWORD [DWBLOCK(2,0,esi,SIZEOF_JCOEF)] - jnz short .columnDCT - - movq mm0, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movq mm1, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)] - por mm0, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] - por mm1, MMWORD [MMBLOCK(4,0,esi,SIZEOF_JCOEF)] - por mm0, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] - por mm1, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] - por mm0, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] - por mm1,mm0 - packsswb mm1,mm1 - movd eax,mm1 - test eax,eax - jnz short .columnDCT - - ; -- AC terms all zero - - movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] - pmullw mm0, MMWORD [MMBLOCK(0,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - - psllw mm0,PASS1_BITS - - movq mm2,mm0 ; mm0=in0=(00 01 02 03) - punpcklwd mm0,mm0 ; mm0=(00 00 01 01) - punpckhwd mm2,mm2 ; mm2=(02 02 03 03) - - movq mm1,mm0 - punpckldq mm0,mm0 ; mm0=(00 00 00 00) - punpckhdq mm1,mm1 ; mm1=(01 01 01 01) - movq mm3,mm2 - punpckldq mm2,mm2 ; mm2=(02 02 02 02) - punpckhdq mm3,mm3 ; mm3=(03 03 03 03) - - movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_JCOEF)], mm0 - movq MMWORD [MMBLOCK(0,1,edi,SIZEOF_JCOEF)], mm0 - movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_JCOEF)], mm1 - movq MMWORD [MMBLOCK(1,1,edi,SIZEOF_JCOEF)], mm1 - movq MMWORD [MMBLOCK(2,0,edi,SIZEOF_JCOEF)], mm2 - movq MMWORD [MMBLOCK(2,1,edi,SIZEOF_JCOEF)], mm2 - movq MMWORD [MMBLOCK(3,0,edi,SIZEOF_JCOEF)], mm3 - movq MMWORD [MMBLOCK(3,1,edi,SIZEOF_JCOEF)], mm3 - jmp near .nextcolumn - alignx 16,7 -%endif -.columnDCT: - - ; -- Even part - - movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] - movq mm1, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)] - pmullw mm0, MMWORD [MMBLOCK(0,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw mm1, MMWORD [MMBLOCK(2,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - movq mm2, MMWORD [MMBLOCK(4,0,esi,SIZEOF_JCOEF)] - movq mm3, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] - pmullw mm2, MMWORD [MMBLOCK(4,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw mm3, MMWORD [MMBLOCK(6,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - - ; (Original) - ; z1 = (z2 + z3) * 0.541196100; - ; tmp2 = z1 + z3 * -1.847759065; - ; tmp3 = z1 + z2 * 0.765366865; - ; - ; (This implementation) - ; tmp2 = z2 * 0.541196100 + z3 * (0.541196100 - 1.847759065); - ; tmp3 = z2 * (0.541196100 + 0.765366865) + z3 * 0.541196100; - - movq mm4,mm1 ; mm1=in2=z2 - movq mm5,mm1 - punpcklwd mm4,mm3 ; mm3=in6=z3 - punpckhwd mm5,mm3 - movq mm1,mm4 - movq mm3,mm5 - pmaddwd mm4,[GOTOFF(ebx,PW_F130_F054)] ; mm4=tmp3L - pmaddwd mm5,[GOTOFF(ebx,PW_F130_F054)] ; mm5=tmp3H - pmaddwd mm1,[GOTOFF(ebx,PW_F054_MF130)] ; mm1=tmp2L - pmaddwd mm3,[GOTOFF(ebx,PW_F054_MF130)] ; mm3=tmp2H - - movq mm6,mm0 - paddw mm0,mm2 ; mm0=in0+in4 - psubw mm6,mm2 ; mm6=in0-in4 - - pxor mm7,mm7 - pxor mm2,mm2 - punpcklwd mm7,mm0 ; mm7=tmp0L - punpckhwd mm2,mm0 ; mm2=tmp0H - psrad mm7,(16-CONST_BITS) ; psrad mm7,16 & pslld mm7,CONST_BITS - psrad mm2,(16-CONST_BITS) ; psrad mm2,16 & pslld mm2,CONST_BITS - - movq mm0,mm7 - paddd mm7,mm4 ; mm7=tmp10L - psubd mm0,mm4 ; mm0=tmp13L - movq mm4,mm2 - paddd mm2,mm5 ; mm2=tmp10H - psubd mm4,mm5 ; mm4=tmp13H - - movq MMWORD [wk(0)], mm7 ; wk(0)=tmp10L - movq MMWORD [wk(1)], mm2 ; wk(1)=tmp10H - movq MMWORD [wk(2)], mm0 ; wk(2)=tmp13L - movq MMWORD [wk(3)], mm4 ; wk(3)=tmp13H - - pxor mm5,mm5 - pxor mm7,mm7 - punpcklwd mm5,mm6 ; mm5=tmp1L - punpckhwd mm7,mm6 ; mm7=tmp1H - psrad mm5,(16-CONST_BITS) ; psrad mm5,16 & pslld mm5,CONST_BITS - psrad mm7,(16-CONST_BITS) ; psrad mm7,16 & pslld mm7,CONST_BITS - - movq mm2,mm5 - paddd mm5,mm1 ; mm5=tmp11L - psubd mm2,mm1 ; mm2=tmp12L - movq mm0,mm7 - paddd mm7,mm3 ; mm7=tmp11H - psubd mm0,mm3 ; mm0=tmp12H - - movq MMWORD [wk(4)], mm5 ; wk(4)=tmp11L - movq MMWORD [wk(5)], mm7 ; wk(5)=tmp11H - movq MMWORD [wk(6)], mm2 ; wk(6)=tmp12L - movq MMWORD [wk(7)], mm0 ; wk(7)=tmp12H - - ; -- Odd part - - movq mm4, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movq mm6, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] - pmullw mm4, MMWORD [MMBLOCK(1,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw mm6, MMWORD [MMBLOCK(3,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - movq mm1, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] - movq mm3, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] - pmullw mm1, MMWORD [MMBLOCK(5,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw mm3, MMWORD [MMBLOCK(7,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - - movq mm5,mm6 - movq mm7,mm4 - paddw mm5,mm3 ; mm5=z3 - paddw mm7,mm1 ; mm7=z4 - - ; (Original) - ; z5 = (z3 + z4) * 1.175875602; - ; z3 = z3 * -1.961570560; z4 = z4 * -0.390180644; - ; z3 += z5; z4 += z5; - ; - ; (This implementation) - ; z3 = z3 * (1.175875602 - 1.961570560) + z4 * 1.175875602; - ; z4 = z3 * 1.175875602 + z4 * (1.175875602 - 0.390180644); - - movq mm2,mm5 - movq mm0,mm5 - punpcklwd mm2,mm7 - punpckhwd mm0,mm7 - movq mm5,mm2 - movq mm7,mm0 - pmaddwd mm2,[GOTOFF(ebx,PW_MF078_F117)] ; mm2=z3L - pmaddwd mm0,[GOTOFF(ebx,PW_MF078_F117)] ; mm0=z3H - pmaddwd mm5,[GOTOFF(ebx,PW_F117_F078)] ; mm5=z4L - pmaddwd mm7,[GOTOFF(ebx,PW_F117_F078)] ; mm7=z4H - - movq MMWORD [wk(10)], mm2 ; wk(10)=z3L - movq MMWORD [wk(11)], mm0 ; wk(11)=z3H - - ; (Original) - ; z1 = tmp0 + tmp3; z2 = tmp1 + tmp2; - ; tmp0 = tmp0 * 0.298631336; tmp1 = tmp1 * 2.053119869; - ; tmp2 = tmp2 * 3.072711026; tmp3 = tmp3 * 1.501321110; - ; z1 = z1 * -0.899976223; z2 = z2 * -2.562915447; - ; tmp0 += z1 + z3; tmp1 += z2 + z4; - ; tmp2 += z2 + z3; tmp3 += z1 + z4; - ; - ; (This implementation) - ; tmp0 = tmp0 * (0.298631336 - 0.899976223) + tmp3 * -0.899976223; - ; tmp1 = tmp1 * (2.053119869 - 2.562915447) + tmp2 * -2.562915447; - ; tmp2 = tmp1 * -2.562915447 + tmp2 * (3.072711026 - 2.562915447); - ; tmp3 = tmp0 * -0.899976223 + tmp3 * (1.501321110 - 0.899976223); - ; tmp0 += z3; tmp1 += z4; - ; tmp2 += z3; tmp3 += z4; - - movq mm2,mm3 - movq mm0,mm3 - punpcklwd mm2,mm4 - punpckhwd mm0,mm4 - movq mm3,mm2 - movq mm4,mm0 - pmaddwd mm2,[GOTOFF(ebx,PW_MF060_MF089)] ; mm2=tmp0L - pmaddwd mm0,[GOTOFF(ebx,PW_MF060_MF089)] ; mm0=tmp0H - pmaddwd mm3,[GOTOFF(ebx,PW_MF089_F060)] ; mm3=tmp3L - pmaddwd mm4,[GOTOFF(ebx,PW_MF089_F060)] ; mm4=tmp3H - - paddd mm2, MMWORD [wk(10)] ; mm2=tmp0L - paddd mm0, MMWORD [wk(11)] ; mm0=tmp0H - paddd mm3,mm5 ; mm3=tmp3L - paddd mm4,mm7 ; mm4=tmp3H - - movq MMWORD [wk(8)], mm2 ; wk(8)=tmp0L - movq MMWORD [wk(9)], mm0 ; wk(9)=tmp0H - - movq mm2,mm1 - movq mm0,mm1 - punpcklwd mm2,mm6 - punpckhwd mm0,mm6 - movq mm1,mm2 - movq mm6,mm0 - pmaddwd mm2,[GOTOFF(ebx,PW_MF050_MF256)] ; mm2=tmp1L - pmaddwd mm0,[GOTOFF(ebx,PW_MF050_MF256)] ; mm0=tmp1H - pmaddwd mm1,[GOTOFF(ebx,PW_MF256_F050)] ; mm1=tmp2L - pmaddwd mm6,[GOTOFF(ebx,PW_MF256_F050)] ; mm6=tmp2H - - paddd mm2,mm5 ; mm2=tmp1L - paddd mm0,mm7 ; mm0=tmp1H - paddd mm1, MMWORD [wk(10)] ; mm1=tmp2L - paddd mm6, MMWORD [wk(11)] ; mm6=tmp2H - - movq MMWORD [wk(10)], mm2 ; wk(10)=tmp1L - movq MMWORD [wk(11)], mm0 ; wk(11)=tmp1H - - ; -- Final output stage - - movq mm5, MMWORD [wk(0)] ; mm5=tmp10L - movq mm7, MMWORD [wk(1)] ; mm7=tmp10H - - movq mm2,mm5 - movq mm0,mm7 - paddd mm5,mm3 ; mm5=data0L - paddd mm7,mm4 ; mm7=data0H - psubd mm2,mm3 ; mm2=data7L - psubd mm0,mm4 ; mm0=data7H - - movq mm3,[GOTOFF(ebx,PD_DESCALE_P1)] ; mm3=[PD_DESCALE_P1] - - paddd mm5,mm3 - paddd mm7,mm3 - psrad mm5,DESCALE_P1 - psrad mm7,DESCALE_P1 - paddd mm2,mm3 - paddd mm0,mm3 - psrad mm2,DESCALE_P1 - psrad mm0,DESCALE_P1 - - packssdw mm5,mm7 ; mm5=data0=(00 01 02 03) - packssdw mm2,mm0 ; mm2=data7=(70 71 72 73) - - movq mm4, MMWORD [wk(4)] ; mm4=tmp11L - movq mm3, MMWORD [wk(5)] ; mm3=tmp11H - - movq mm7,mm4 - movq mm0,mm3 - paddd mm4,mm1 ; mm4=data1L - paddd mm3,mm6 ; mm3=data1H - psubd mm7,mm1 ; mm7=data6L - psubd mm0,mm6 ; mm0=data6H - - movq mm1,[GOTOFF(ebx,PD_DESCALE_P1)] ; mm1=[PD_DESCALE_P1] - - paddd mm4,mm1 - paddd mm3,mm1 - psrad mm4,DESCALE_P1 - psrad mm3,DESCALE_P1 - paddd mm7,mm1 - paddd mm0,mm1 - psrad mm7,DESCALE_P1 - psrad mm0,DESCALE_P1 - - packssdw mm4,mm3 ; mm4=data1=(10 11 12 13) - packssdw mm7,mm0 ; mm7=data6=(60 61 62 63) - - movq mm6,mm5 ; transpose coefficients(phase 1) - punpcklwd mm5,mm4 ; mm5=(00 10 01 11) - punpckhwd mm6,mm4 ; mm6=(02 12 03 13) - movq mm1,mm7 ; transpose coefficients(phase 1) - punpcklwd mm7,mm2 ; mm7=(60 70 61 71) - punpckhwd mm1,mm2 ; mm1=(62 72 63 73) - - movq mm3, MMWORD [wk(6)] ; mm3=tmp12L - movq mm0, MMWORD [wk(7)] ; mm0=tmp12H - movq mm4, MMWORD [wk(10)] ; mm4=tmp1L - movq mm2, MMWORD [wk(11)] ; mm2=tmp1H - - movq MMWORD [wk(0)], mm5 ; wk(0)=(00 10 01 11) - movq MMWORD [wk(1)], mm6 ; wk(1)=(02 12 03 13) - movq MMWORD [wk(4)], mm7 ; wk(4)=(60 70 61 71) - movq MMWORD [wk(5)], mm1 ; wk(5)=(62 72 63 73) - - movq mm5,mm3 - movq mm6,mm0 - paddd mm3,mm4 ; mm3=data2L - paddd mm0,mm2 ; mm0=data2H - psubd mm5,mm4 ; mm5=data5L - psubd mm6,mm2 ; mm6=data5H - - movq mm7,[GOTOFF(ebx,PD_DESCALE_P1)] ; mm7=[PD_DESCALE_P1] - - paddd mm3,mm7 - paddd mm0,mm7 - psrad mm3,DESCALE_P1 - psrad mm0,DESCALE_P1 - paddd mm5,mm7 - paddd mm6,mm7 - psrad mm5,DESCALE_P1 - psrad mm6,DESCALE_P1 - - packssdw mm3,mm0 ; mm3=data2=(20 21 22 23) - packssdw mm5,mm6 ; mm5=data5=(50 51 52 53) - - movq mm1, MMWORD [wk(2)] ; mm1=tmp13L - movq mm4, MMWORD [wk(3)] ; mm4=tmp13H - movq mm2, MMWORD [wk(8)] ; mm2=tmp0L - movq mm7, MMWORD [wk(9)] ; mm7=tmp0H - - movq mm0,mm1 - movq mm6,mm4 - paddd mm1,mm2 ; mm1=data3L - paddd mm4,mm7 ; mm4=data3H - psubd mm0,mm2 ; mm0=data4L - psubd mm6,mm7 ; mm6=data4H - - movq mm2,[GOTOFF(ebx,PD_DESCALE_P1)] ; mm2=[PD_DESCALE_P1] - - paddd mm1,mm2 - paddd mm4,mm2 - psrad mm1,DESCALE_P1 - psrad mm4,DESCALE_P1 - paddd mm0,mm2 - paddd mm6,mm2 - psrad mm0,DESCALE_P1 - psrad mm6,DESCALE_P1 - - packssdw mm1,mm4 ; mm1=data3=(30 31 32 33) - packssdw mm0,mm6 ; mm0=data4=(40 41 42 43) - - movq mm7, MMWORD [wk(0)] ; mm7=(00 10 01 11) - movq mm2, MMWORD [wk(1)] ; mm2=(02 12 03 13) - - movq mm4,mm3 ; transpose coefficients(phase 1) - punpcklwd mm3,mm1 ; mm3=(20 30 21 31) - punpckhwd mm4,mm1 ; mm4=(22 32 23 33) - movq mm6,mm0 ; transpose coefficients(phase 1) - punpcklwd mm0,mm5 ; mm0=(40 50 41 51) - punpckhwd mm6,mm5 ; mm6=(42 52 43 53) - - movq mm1,mm7 ; transpose coefficients(phase 2) - punpckldq mm7,mm3 ; mm7=(00 10 20 30) - punpckhdq mm1,mm3 ; mm1=(01 11 21 31) - movq mm5,mm2 ; transpose coefficients(phase 2) - punpckldq mm2,mm4 ; mm2=(02 12 22 32) - punpckhdq mm5,mm4 ; mm5=(03 13 23 33) - - movq mm3, MMWORD [wk(4)] ; mm3=(60 70 61 71) - movq mm4, MMWORD [wk(5)] ; mm4=(62 72 63 73) - - movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_JCOEF)], mm7 - movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_JCOEF)], mm1 - movq MMWORD [MMBLOCK(2,0,edi,SIZEOF_JCOEF)], mm2 - movq MMWORD [MMBLOCK(3,0,edi,SIZEOF_JCOEF)], mm5 - - movq mm7,mm0 ; transpose coefficients(phase 2) - punpckldq mm0,mm3 ; mm0=(40 50 60 70) - punpckhdq mm7,mm3 ; mm7=(41 51 61 71) - movq mm1,mm6 ; transpose coefficients(phase 2) - punpckldq mm6,mm4 ; mm6=(42 52 62 72) - punpckhdq mm1,mm4 ; mm1=(43 53 63 73) - - movq MMWORD [MMBLOCK(0,1,edi,SIZEOF_JCOEF)], mm0 - movq MMWORD [MMBLOCK(1,1,edi,SIZEOF_JCOEF)], mm7 - movq MMWORD [MMBLOCK(2,1,edi,SIZEOF_JCOEF)], mm6 - movq MMWORD [MMBLOCK(3,1,edi,SIZEOF_JCOEF)], mm1 - -.nextcolumn: - add esi, byte 4*SIZEOF_JCOEF ; coef_block - add edx, byte 4*SIZEOF_ISLOW_MULT_TYPE ; quantptr - add edi, byte 4*DCTSIZE*SIZEOF_JCOEF ; wsptr - dec ecx ; ctr - jnz near .columnloop - - ; ---- Pass 2: process rows from work array, store into output array. - - mov eax, [original_ebp] - lea esi, [workspace] ; JCOEF *wsptr - mov edi, JSAMPARRAY [output_buf(eax)] ; (JSAMPROW *) - mov eax, JDIMENSION [output_col(eax)] - mov ecx, DCTSIZE/4 ; ctr - alignx 16,7 -.rowloop: - - ; -- Even part - - movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] - movq mm1, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)] - movq mm2, MMWORD [MMBLOCK(4,0,esi,SIZEOF_JCOEF)] - movq mm3, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] - - ; (Original) - ; z1 = (z2 + z3) * 0.541196100; - ; tmp2 = z1 + z3 * -1.847759065; - ; tmp3 = z1 + z2 * 0.765366865; - ; - ; (This implementation) - ; tmp2 = z2 * 0.541196100 + z3 * (0.541196100 - 1.847759065); - ; tmp3 = z2 * (0.541196100 + 0.765366865) + z3 * 0.541196100; - - movq mm4,mm1 ; mm1=in2=z2 - movq mm5,mm1 - punpcklwd mm4,mm3 ; mm3=in6=z3 - punpckhwd mm5,mm3 - movq mm1,mm4 - movq mm3,mm5 - pmaddwd mm4,[GOTOFF(ebx,PW_F130_F054)] ; mm4=tmp3L - pmaddwd mm5,[GOTOFF(ebx,PW_F130_F054)] ; mm5=tmp3H - pmaddwd mm1,[GOTOFF(ebx,PW_F054_MF130)] ; mm1=tmp2L - pmaddwd mm3,[GOTOFF(ebx,PW_F054_MF130)] ; mm3=tmp2H - - movq mm6,mm0 - paddw mm0,mm2 ; mm0=in0+in4 - psubw mm6,mm2 ; mm6=in0-in4 - - pxor mm7,mm7 - pxor mm2,mm2 - punpcklwd mm7,mm0 ; mm7=tmp0L - punpckhwd mm2,mm0 ; mm2=tmp0H - psrad mm7,(16-CONST_BITS) ; psrad mm7,16 & pslld mm7,CONST_BITS - psrad mm2,(16-CONST_BITS) ; psrad mm2,16 & pslld mm2,CONST_BITS - - movq mm0,mm7 - paddd mm7,mm4 ; mm7=tmp10L - psubd mm0,mm4 ; mm0=tmp13L - movq mm4,mm2 - paddd mm2,mm5 ; mm2=tmp10H - psubd mm4,mm5 ; mm4=tmp13H - - movq MMWORD [wk(0)], mm7 ; wk(0)=tmp10L - movq MMWORD [wk(1)], mm2 ; wk(1)=tmp10H - movq MMWORD [wk(2)], mm0 ; wk(2)=tmp13L - movq MMWORD [wk(3)], mm4 ; wk(3)=tmp13H - - pxor mm5,mm5 - pxor mm7,mm7 - punpcklwd mm5,mm6 ; mm5=tmp1L - punpckhwd mm7,mm6 ; mm7=tmp1H - psrad mm5,(16-CONST_BITS) ; psrad mm5,16 & pslld mm5,CONST_BITS - psrad mm7,(16-CONST_BITS) ; psrad mm7,16 & pslld mm7,CONST_BITS - - movq mm2,mm5 - paddd mm5,mm1 ; mm5=tmp11L - psubd mm2,mm1 ; mm2=tmp12L - movq mm0,mm7 - paddd mm7,mm3 ; mm7=tmp11H - psubd mm0,mm3 ; mm0=tmp12H - - movq MMWORD [wk(4)], mm5 ; wk(4)=tmp11L - movq MMWORD [wk(5)], mm7 ; wk(5)=tmp11H - movq MMWORD [wk(6)], mm2 ; wk(6)=tmp12L - movq MMWORD [wk(7)], mm0 ; wk(7)=tmp12H - - ; -- Odd part - - movq mm4, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movq mm6, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] - movq mm1, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] - movq mm3, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] - - movq mm5,mm6 - movq mm7,mm4 - paddw mm5,mm3 ; mm5=z3 - paddw mm7,mm1 ; mm7=z4 - - ; (Original) - ; z5 = (z3 + z4) * 1.175875602; - ; z3 = z3 * -1.961570560; z4 = z4 * -0.390180644; - ; z3 += z5; z4 += z5; - ; - ; (This implementation) - ; z3 = z3 * (1.175875602 - 1.961570560) + z4 * 1.175875602; - ; z4 = z3 * 1.175875602 + z4 * (1.175875602 - 0.390180644); - - movq mm2,mm5 - movq mm0,mm5 - punpcklwd mm2,mm7 - punpckhwd mm0,mm7 - movq mm5,mm2 - movq mm7,mm0 - pmaddwd mm2,[GOTOFF(ebx,PW_MF078_F117)] ; mm2=z3L - pmaddwd mm0,[GOTOFF(ebx,PW_MF078_F117)] ; mm0=z3H - pmaddwd mm5,[GOTOFF(ebx,PW_F117_F078)] ; mm5=z4L - pmaddwd mm7,[GOTOFF(ebx,PW_F117_F078)] ; mm7=z4H - - movq MMWORD [wk(10)], mm2 ; wk(10)=z3L - movq MMWORD [wk(11)], mm0 ; wk(11)=z3H - - ; (Original) - ; z1 = tmp0 + tmp3; z2 = tmp1 + tmp2; - ; tmp0 = tmp0 * 0.298631336; tmp1 = tmp1 * 2.053119869; - ; tmp2 = tmp2 * 3.072711026; tmp3 = tmp3 * 1.501321110; - ; z1 = z1 * -0.899976223; z2 = z2 * -2.562915447; - ; tmp0 += z1 + z3; tmp1 += z2 + z4; - ; tmp2 += z2 + z3; tmp3 += z1 + z4; - ; - ; (This implementation) - ; tmp0 = tmp0 * (0.298631336 - 0.899976223) + tmp3 * -0.899976223; - ; tmp1 = tmp1 * (2.053119869 - 2.562915447) + tmp2 * -2.562915447; - ; tmp2 = tmp1 * -2.562915447 + tmp2 * (3.072711026 - 2.562915447); - ; tmp3 = tmp0 * -0.899976223 + tmp3 * (1.501321110 - 0.899976223); - ; tmp0 += z3; tmp1 += z4; - ; tmp2 += z3; tmp3 += z4; - - movq mm2,mm3 - movq mm0,mm3 - punpcklwd mm2,mm4 - punpckhwd mm0,mm4 - movq mm3,mm2 - movq mm4,mm0 - pmaddwd mm2,[GOTOFF(ebx,PW_MF060_MF089)] ; mm2=tmp0L - pmaddwd mm0,[GOTOFF(ebx,PW_MF060_MF089)] ; mm0=tmp0H - pmaddwd mm3,[GOTOFF(ebx,PW_MF089_F060)] ; mm3=tmp3L - pmaddwd mm4,[GOTOFF(ebx,PW_MF089_F060)] ; mm4=tmp3H - - paddd mm2, MMWORD [wk(10)] ; mm2=tmp0L - paddd mm0, MMWORD [wk(11)] ; mm0=tmp0H - paddd mm3,mm5 ; mm3=tmp3L - paddd mm4,mm7 ; mm4=tmp3H - - movq MMWORD [wk(8)], mm2 ; wk(8)=tmp0L - movq MMWORD [wk(9)], mm0 ; wk(9)=tmp0H - - movq mm2,mm1 - movq mm0,mm1 - punpcklwd mm2,mm6 - punpckhwd mm0,mm6 - movq mm1,mm2 - movq mm6,mm0 - pmaddwd mm2,[GOTOFF(ebx,PW_MF050_MF256)] ; mm2=tmp1L - pmaddwd mm0,[GOTOFF(ebx,PW_MF050_MF256)] ; mm0=tmp1H - pmaddwd mm1,[GOTOFF(ebx,PW_MF256_F050)] ; mm1=tmp2L - pmaddwd mm6,[GOTOFF(ebx,PW_MF256_F050)] ; mm6=tmp2H - - paddd mm2,mm5 ; mm2=tmp1L - paddd mm0,mm7 ; mm0=tmp1H - paddd mm1, MMWORD [wk(10)] ; mm1=tmp2L - paddd mm6, MMWORD [wk(11)] ; mm6=tmp2H - - movq MMWORD [wk(10)], mm2 ; wk(10)=tmp1L - movq MMWORD [wk(11)], mm0 ; wk(11)=tmp1H - - ; -- Final output stage - - movq mm5, MMWORD [wk(0)] ; mm5=tmp10L - movq mm7, MMWORD [wk(1)] ; mm7=tmp10H - - movq mm2,mm5 - movq mm0,mm7 - paddd mm5,mm3 ; mm5=data0L - paddd mm7,mm4 ; mm7=data0H - psubd mm2,mm3 ; mm2=data7L - psubd mm0,mm4 ; mm0=data7H - - movq mm3,[GOTOFF(ebx,PD_DESCALE_P2)] ; mm3=[PD_DESCALE_P2] - - paddd mm5,mm3 - paddd mm7,mm3 - psrad mm5,DESCALE_P2 - psrad mm7,DESCALE_P2 - paddd mm2,mm3 - paddd mm0,mm3 - psrad mm2,DESCALE_P2 - psrad mm0,DESCALE_P2 - - packssdw mm5,mm7 ; mm5=data0=(00 10 20 30) - packssdw mm2,mm0 ; mm2=data7=(07 17 27 37) - - movq mm4, MMWORD [wk(4)] ; mm4=tmp11L - movq mm3, MMWORD [wk(5)] ; mm3=tmp11H - - movq mm7,mm4 - movq mm0,mm3 - paddd mm4,mm1 ; mm4=data1L - paddd mm3,mm6 ; mm3=data1H - psubd mm7,mm1 ; mm7=data6L - psubd mm0,mm6 ; mm0=data6H - - movq mm1,[GOTOFF(ebx,PD_DESCALE_P2)] ; mm1=[PD_DESCALE_P2] - - paddd mm4,mm1 - paddd mm3,mm1 - psrad mm4,DESCALE_P2 - psrad mm3,DESCALE_P2 - paddd mm7,mm1 - paddd mm0,mm1 - psrad mm7,DESCALE_P2 - psrad mm0,DESCALE_P2 - - packssdw mm4,mm3 ; mm4=data1=(01 11 21 31) - packssdw mm7,mm0 ; mm7=data6=(06 16 26 36) - - packsswb mm5,mm7 ; mm5=(00 10 20 30 06 16 26 36) - packsswb mm4,mm2 ; mm4=(01 11 21 31 07 17 27 37) - - movq mm6, MMWORD [wk(6)] ; mm6=tmp12L - movq mm1, MMWORD [wk(7)] ; mm1=tmp12H - movq mm3, MMWORD [wk(10)] ; mm3=tmp1L - movq mm0, MMWORD [wk(11)] ; mm0=tmp1H - - movq MMWORD [wk(0)], mm5 ; wk(0)=(00 10 20 30 06 16 26 36) - movq MMWORD [wk(1)], mm4 ; wk(1)=(01 11 21 31 07 17 27 37) - - movq mm7,mm6 - movq mm2,mm1 - paddd mm6,mm3 ; mm6=data2L - paddd mm1,mm0 ; mm1=data2H - psubd mm7,mm3 ; mm7=data5L - psubd mm2,mm0 ; mm2=data5H - - movq mm5,[GOTOFF(ebx,PD_DESCALE_P2)] ; mm5=[PD_DESCALE_P2] - - paddd mm6,mm5 - paddd mm1,mm5 - psrad mm6,DESCALE_P2 - psrad mm1,DESCALE_P2 - paddd mm7,mm5 - paddd mm2,mm5 - psrad mm7,DESCALE_P2 - psrad mm2,DESCALE_P2 - - packssdw mm6,mm1 ; mm6=data2=(02 12 22 32) - packssdw mm7,mm2 ; mm7=data5=(05 15 25 35) - - movq mm4, MMWORD [wk(2)] ; mm4=tmp13L - movq mm3, MMWORD [wk(3)] ; mm3=tmp13H - movq mm0, MMWORD [wk(8)] ; mm0=tmp0L - movq mm5, MMWORD [wk(9)] ; mm5=tmp0H - - movq mm1,mm4 - movq mm2,mm3 - paddd mm4,mm0 ; mm4=data3L - paddd mm3,mm5 ; mm3=data3H - psubd mm1,mm0 ; mm1=data4L - psubd mm2,mm5 ; mm2=data4H - - movq mm0,[GOTOFF(ebx,PD_DESCALE_P2)] ; mm0=[PD_DESCALE_P2] - - paddd mm4,mm0 - paddd mm3,mm0 - psrad mm4,DESCALE_P2 - psrad mm3,DESCALE_P2 - paddd mm1,mm0 - paddd mm2,mm0 - psrad mm1,DESCALE_P2 - psrad mm2,DESCALE_P2 - - movq mm5,[GOTOFF(ebx,PB_CENTERJSAMP)] ; mm5=[PB_CENTERJSAMP] - - packssdw mm4,mm3 ; mm4=data3=(03 13 23 33) - packssdw mm1,mm2 ; mm1=data4=(04 14 24 34) - - movq mm0, MMWORD [wk(0)] ; mm0=(00 10 20 30 06 16 26 36) - movq mm3, MMWORD [wk(1)] ; mm3=(01 11 21 31 07 17 27 37) - - packsswb mm6,mm1 ; mm6=(02 12 22 32 04 14 24 34) - packsswb mm4,mm7 ; mm4=(03 13 23 33 05 15 25 35) - - paddb mm0,mm5 - paddb mm3,mm5 - paddb mm6,mm5 - paddb mm4,mm5 - - movq mm2,mm0 ; transpose coefficients(phase 1) - punpcklbw mm0,mm3 ; mm0=(00 01 10 11 20 21 30 31) - punpckhbw mm2,mm3 ; mm2=(06 07 16 17 26 27 36 37) - movq mm1,mm6 ; transpose coefficients(phase 1) - punpcklbw mm6,mm4 ; mm6=(02 03 12 13 22 23 32 33) - punpckhbw mm1,mm4 ; mm1=(04 05 14 15 24 25 34 35) - - movq mm7,mm0 ; transpose coefficients(phase 2) - punpcklwd mm0,mm6 ; mm0=(00 01 02 03 10 11 12 13) - punpckhwd mm7,mm6 ; mm7=(20 21 22 23 30 31 32 33) - movq mm5,mm1 ; transpose coefficients(phase 2) - punpcklwd mm1,mm2 ; mm1=(04 05 06 07 14 15 16 17) - punpckhwd mm5,mm2 ; mm5=(24 25 26 27 34 35 36 37) - - movq mm3,mm0 ; transpose coefficients(phase 3) - punpckldq mm0,mm1 ; mm0=(00 01 02 03 04 05 06 07) - punpckhdq mm3,mm1 ; mm3=(10 11 12 13 14 15 16 17) - movq mm4,mm7 ; transpose coefficients(phase 3) - punpckldq mm7,mm5 ; mm7=(20 21 22 23 24 25 26 27) - punpckhdq mm4,mm5 ; mm4=(30 31 32 33 34 35 36 37) - - pushpic ebx ; save GOT address - - mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] - mov ebx, JSAMPROW [edi+1*SIZEOF_JSAMPROW] - movq MMWORD [edx+eax*SIZEOF_JSAMPLE], mm0 - movq MMWORD [ebx+eax*SIZEOF_JSAMPLE], mm3 - mov edx, JSAMPROW [edi+2*SIZEOF_JSAMPROW] - mov ebx, JSAMPROW [edi+3*SIZEOF_JSAMPROW] - movq MMWORD [edx+eax*SIZEOF_JSAMPLE], mm7 - movq MMWORD [ebx+eax*SIZEOF_JSAMPLE], mm4 - - poppic ebx ; restore GOT address - - add esi, byte 4*SIZEOF_JCOEF ; wsptr - add edi, byte 4*SIZEOF_JSAMPROW - dec ecx ; ctr - jnz near .rowloop - - emms ; empty MMX state - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 |