diff options
Diffstat (limited to 'media/libjpeg/simd/jidctflt-sse.asm')
-rw-r--r-- | media/libjpeg/simd/jidctflt-sse.asm | 571 |
1 files changed, 0 insertions, 571 deletions
diff --git a/media/libjpeg/simd/jidctflt-sse.asm b/media/libjpeg/simd/jidctflt-sse.asm deleted file mode 100644 index 4d4af2fffc..0000000000 --- a/media/libjpeg/simd/jidctflt-sse.asm +++ /dev/null @@ -1,571 +0,0 @@ -; -; jidctflt.asm - floating-point IDCT (SSE & 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 floating-point implementation of the inverse DCT -; (Discrete Cosine Transform). The following code is based directly on -; the IJG's original jidctflt.c; see the jidctflt.c for more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%macro unpcklps2 2 ; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(0 1 4 5) - shufps %1,%2,0x44 -%endmacro - -%macro unpckhps2 2 ; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(2 3 6 7) - shufps %1,%2,0xEE -%endmacro - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_idct_float_sse) - -EXTN(jconst_idct_float_sse): - -PD_1_414 times 4 dd 1.414213562373095048801689 -PD_1_847 times 4 dd 1.847759065022573512256366 -PD_1_082 times 4 dd 1.082392200292393968799446 -PD_M2_613 times 4 dd -2.613125929752753055713286 -PD_0_125 times 4 dd 0.125 ; 1/8 -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_float_sse (void *dct_table, JCOEFPTR coef_block, -; JSAMPARRAY output_buf, JDIMENSION output_col) -; - -%define dct_table(b) (b)+8 ; void *dct_table -%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_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 2 -%define workspace wk(0)-DCTSIZE2*SIZEOF_FAST_FLOAT - ; FAST_FLOAT workspace[DCTSIZE2] - - align 16 - global EXTN(jsimd_idct_float_sse) - -EXTN(jsimd_idct_float_sse): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_XMMWORD) ; align to 128 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] ; FAST_FLOAT *wsptr - mov ecx, DCTSIZE/4 ; ctr - alignx 16,7 -.columnloop: -%ifndef NO_ZERO_COLUMN_TEST_FLOAT_SSE - mov eax, DWORD [DWBLOCK(1,0,esi,SIZEOF_JCOEF)] - or eax, DWORD [DWBLOCK(2,0,esi,SIZEOF_JCOEF)] - jnz near .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)] - - punpckhwd mm1,mm0 ; mm1=(** 02 ** 03) - punpcklwd mm0,mm0 ; mm0=(00 00 01 01) - psrad mm1,(DWORD_BIT-WORD_BIT) ; mm1=in0H=(02 03) - psrad mm0,(DWORD_BIT-WORD_BIT) ; mm0=in0L=(00 01) - cvtpi2ps xmm3,mm1 ; xmm3=(02 03 ** **) - cvtpi2ps xmm0,mm0 ; xmm0=(00 01 ** **) - movlhps xmm0,xmm3 ; xmm0=in0=(00 01 02 03) - - mulps xmm0, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - - movaps xmm1,xmm0 - movaps xmm2,xmm0 - movaps xmm3,xmm0 - - shufps xmm0,xmm0,0x00 ; xmm0=(00 00 00 00) - shufps xmm1,xmm1,0x55 ; xmm1=(01 01 01 01) - shufps xmm2,xmm2,0xAA ; xmm2=(02 02 02 02) - shufps xmm3,xmm3,0xFF ; xmm3=(03 03 03 03) - - movaps XMMWORD [XMMBLOCK(0,0,edi,SIZEOF_FAST_FLOAT)], xmm0 - movaps XMMWORD [XMMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], xmm0 - movaps XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], xmm1 - movaps XMMWORD [XMMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], xmm1 - movaps XMMWORD [XMMBLOCK(2,0,edi,SIZEOF_FAST_FLOAT)], xmm2 - movaps XMMWORD [XMMBLOCK(2,1,edi,SIZEOF_FAST_FLOAT)], xmm2 - movaps XMMWORD [XMMBLOCK(3,0,edi,SIZEOF_FAST_FLOAT)], xmm3 - movaps XMMWORD [XMMBLOCK(3,1,edi,SIZEOF_FAST_FLOAT)], xmm3 - 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)] - movq mm2, MMWORD [MMBLOCK(4,0,esi,SIZEOF_JCOEF)] - movq mm3, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] - - punpckhwd mm4,mm0 ; mm4=(** 02 ** 03) - punpcklwd mm0,mm0 ; mm0=(00 00 01 01) - punpckhwd mm5,mm1 ; mm5=(** 22 ** 23) - punpcklwd mm1,mm1 ; mm1=(20 20 21 21) - - psrad mm4,(DWORD_BIT-WORD_BIT) ; mm4=in0H=(02 03) - psrad mm0,(DWORD_BIT-WORD_BIT) ; mm0=in0L=(00 01) - cvtpi2ps xmm4,mm4 ; xmm4=(02 03 ** **) - cvtpi2ps xmm0,mm0 ; xmm0=(00 01 ** **) - psrad mm5,(DWORD_BIT-WORD_BIT) ; mm5=in2H=(22 23) - psrad mm1,(DWORD_BIT-WORD_BIT) ; mm1=in2L=(20 21) - cvtpi2ps xmm5,mm5 ; xmm5=(22 23 ** **) - cvtpi2ps xmm1,mm1 ; xmm1=(20 21 ** **) - - punpckhwd mm6,mm2 ; mm6=(** 42 ** 43) - punpcklwd mm2,mm2 ; mm2=(40 40 41 41) - punpckhwd mm7,mm3 ; mm7=(** 62 ** 63) - punpcklwd mm3,mm3 ; mm3=(60 60 61 61) - - psrad mm6,(DWORD_BIT-WORD_BIT) ; mm6=in4H=(42 43) - psrad mm2,(DWORD_BIT-WORD_BIT) ; mm2=in4L=(40 41) - cvtpi2ps xmm6,mm6 ; xmm6=(42 43 ** **) - cvtpi2ps xmm2,mm2 ; xmm2=(40 41 ** **) - psrad mm7,(DWORD_BIT-WORD_BIT) ; mm7=in6H=(62 63) - psrad mm3,(DWORD_BIT-WORD_BIT) ; mm3=in6L=(60 61) - cvtpi2ps xmm7,mm7 ; xmm7=(62 63 ** **) - cvtpi2ps xmm3,mm3 ; xmm3=(60 61 ** **) - - movlhps xmm0,xmm4 ; xmm0=in0=(00 01 02 03) - movlhps xmm1,xmm5 ; xmm1=in2=(20 21 22 23) - mulps xmm0, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - mulps xmm1, XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - - movlhps xmm2,xmm6 ; xmm2=in4=(40 41 42 43) - movlhps xmm3,xmm7 ; xmm3=in6=(60 61 62 63) - mulps xmm2, XMMWORD [XMMBLOCK(4,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - mulps xmm3, XMMWORD [XMMBLOCK(6,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - - movaps xmm4,xmm0 - movaps xmm5,xmm1 - subps xmm0,xmm2 ; xmm0=tmp11 - subps xmm1,xmm3 - addps xmm4,xmm2 ; xmm4=tmp10 - addps xmm5,xmm3 ; xmm5=tmp13 - - mulps xmm1,[GOTOFF(ebx,PD_1_414)] - subps xmm1,xmm5 ; xmm1=tmp12 - - movaps xmm6,xmm4 - movaps xmm7,xmm0 - subps xmm4,xmm5 ; xmm4=tmp3 - subps xmm0,xmm1 ; xmm0=tmp2 - addps xmm6,xmm5 ; xmm6=tmp0 - addps xmm7,xmm1 ; xmm7=tmp1 - - movaps XMMWORD [wk(1)], xmm4 ; tmp3 - movaps XMMWORD [wk(0)], xmm0 ; tmp2 - - ; -- Odd part - - movq mm4, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movq mm0, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] - movq mm5, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] - movq mm1, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] - - punpckhwd mm6,mm4 ; mm6=(** 12 ** 13) - punpcklwd mm4,mm4 ; mm4=(10 10 11 11) - punpckhwd mm2,mm0 ; mm2=(** 32 ** 33) - punpcklwd mm0,mm0 ; mm0=(30 30 31 31) - - psrad mm6,(DWORD_BIT-WORD_BIT) ; mm6=in1H=(12 13) - psrad mm4,(DWORD_BIT-WORD_BIT) ; mm4=in1L=(10 11) - cvtpi2ps xmm4,mm6 ; xmm4=(12 13 ** **) - cvtpi2ps xmm2,mm4 ; xmm2=(10 11 ** **) - psrad mm2,(DWORD_BIT-WORD_BIT) ; mm2=in3H=(32 33) - psrad mm0,(DWORD_BIT-WORD_BIT) ; mm0=in3L=(30 31) - cvtpi2ps xmm0,mm2 ; xmm0=(32 33 ** **) - cvtpi2ps xmm3,mm0 ; xmm3=(30 31 ** **) - - punpckhwd mm7,mm5 ; mm7=(** 52 ** 53) - punpcklwd mm5,mm5 ; mm5=(50 50 51 51) - punpckhwd mm3,mm1 ; mm3=(** 72 ** 73) - punpcklwd mm1,mm1 ; mm1=(70 70 71 71) - - movlhps xmm2,xmm4 ; xmm2=in1=(10 11 12 13) - movlhps xmm3,xmm0 ; xmm3=in3=(30 31 32 33) - - psrad mm7,(DWORD_BIT-WORD_BIT) ; mm7=in5H=(52 53) - psrad mm5,(DWORD_BIT-WORD_BIT) ; mm5=in5L=(50 51) - cvtpi2ps xmm4,mm7 ; xmm4=(52 53 ** **) - cvtpi2ps xmm5,mm5 ; xmm5=(50 51 ** **) - psrad mm3,(DWORD_BIT-WORD_BIT) ; mm3=in7H=(72 73) - psrad mm1,(DWORD_BIT-WORD_BIT) ; mm1=in7L=(70 71) - cvtpi2ps xmm0,mm3 ; xmm0=(72 73 ** **) - cvtpi2ps xmm1,mm1 ; xmm1=(70 71 ** **) - - mulps xmm2, XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - mulps xmm3, XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - - movlhps xmm5,xmm4 ; xmm5=in5=(50 51 52 53) - movlhps xmm1,xmm0 ; xmm1=in7=(70 71 72 73) - mulps xmm5, XMMWORD [XMMBLOCK(5,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - mulps xmm1, XMMWORD [XMMBLOCK(7,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - - movaps xmm4,xmm2 - movaps xmm0,xmm5 - addps xmm2,xmm1 ; xmm2=z11 - addps xmm5,xmm3 ; xmm5=z13 - subps xmm4,xmm1 ; xmm4=z12 - subps xmm0,xmm3 ; xmm0=z10 - - movaps xmm1,xmm2 - subps xmm2,xmm5 - addps xmm1,xmm5 ; xmm1=tmp7 - - mulps xmm2,[GOTOFF(ebx,PD_1_414)] ; xmm2=tmp11 - - movaps xmm3,xmm0 - addps xmm0,xmm4 - mulps xmm0,[GOTOFF(ebx,PD_1_847)] ; xmm0=z5 - mulps xmm3,[GOTOFF(ebx,PD_M2_613)] ; xmm3=(z10 * -2.613125930) - mulps xmm4,[GOTOFF(ebx,PD_1_082)] ; xmm4=(z12 * 1.082392200) - addps xmm3,xmm0 ; xmm3=tmp12 - subps xmm4,xmm0 ; xmm4=tmp10 - - ; -- Final output stage - - subps xmm3,xmm1 ; xmm3=tmp6 - movaps xmm5,xmm6 - movaps xmm0,xmm7 - addps xmm6,xmm1 ; xmm6=data0=(00 01 02 03) - addps xmm7,xmm3 ; xmm7=data1=(10 11 12 13) - subps xmm5,xmm1 ; xmm5=data7=(70 71 72 73) - subps xmm0,xmm3 ; xmm0=data6=(60 61 62 63) - subps xmm2,xmm3 ; xmm2=tmp5 - - movaps xmm1,xmm6 ; transpose coefficients(phase 1) - unpcklps xmm6,xmm7 ; xmm6=(00 10 01 11) - unpckhps xmm1,xmm7 ; xmm1=(02 12 03 13) - movaps xmm3,xmm0 ; transpose coefficients(phase 1) - unpcklps xmm0,xmm5 ; xmm0=(60 70 61 71) - unpckhps xmm3,xmm5 ; xmm3=(62 72 63 73) - - movaps xmm7, XMMWORD [wk(0)] ; xmm7=tmp2 - movaps xmm5, XMMWORD [wk(1)] ; xmm5=tmp3 - - movaps XMMWORD [wk(0)], xmm0 ; wk(0)=(60 70 61 71) - movaps XMMWORD [wk(1)], xmm3 ; wk(1)=(62 72 63 73) - - addps xmm4,xmm2 ; xmm4=tmp4 - movaps xmm0,xmm7 - movaps xmm3,xmm5 - addps xmm7,xmm2 ; xmm7=data2=(20 21 22 23) - addps xmm5,xmm4 ; xmm5=data4=(40 41 42 43) - subps xmm0,xmm2 ; xmm0=data5=(50 51 52 53) - subps xmm3,xmm4 ; xmm3=data3=(30 31 32 33) - - movaps xmm2,xmm7 ; transpose coefficients(phase 1) - unpcklps xmm7,xmm3 ; xmm7=(20 30 21 31) - unpckhps xmm2,xmm3 ; xmm2=(22 32 23 33) - movaps xmm4,xmm5 ; transpose coefficients(phase 1) - unpcklps xmm5,xmm0 ; xmm5=(40 50 41 51) - unpckhps xmm4,xmm0 ; xmm4=(42 52 43 53) - - movaps xmm3,xmm6 ; transpose coefficients(phase 2) - unpcklps2 xmm6,xmm7 ; xmm6=(00 10 20 30) - unpckhps2 xmm3,xmm7 ; xmm3=(01 11 21 31) - movaps xmm0,xmm1 ; transpose coefficients(phase 2) - unpcklps2 xmm1,xmm2 ; xmm1=(02 12 22 32) - unpckhps2 xmm0,xmm2 ; xmm0=(03 13 23 33) - - movaps xmm7, XMMWORD [wk(0)] ; xmm7=(60 70 61 71) - movaps xmm2, XMMWORD [wk(1)] ; xmm2=(62 72 63 73) - - movaps XMMWORD [XMMBLOCK(0,0,edi,SIZEOF_FAST_FLOAT)], xmm6 - movaps XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], xmm3 - movaps XMMWORD [XMMBLOCK(2,0,edi,SIZEOF_FAST_FLOAT)], xmm1 - movaps XMMWORD [XMMBLOCK(3,0,edi,SIZEOF_FAST_FLOAT)], xmm0 - - movaps xmm6,xmm5 ; transpose coefficients(phase 2) - unpcklps2 xmm5,xmm7 ; xmm5=(40 50 60 70) - unpckhps2 xmm6,xmm7 ; xmm6=(41 51 61 71) - movaps xmm3,xmm4 ; transpose coefficients(phase 2) - unpcklps2 xmm4,xmm2 ; xmm4=(42 52 62 72) - unpckhps2 xmm3,xmm2 ; xmm3=(43 53 63 73) - - movaps XMMWORD [XMMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], xmm5 - movaps XMMWORD [XMMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], xmm6 - movaps XMMWORD [XMMBLOCK(2,1,edi,SIZEOF_FAST_FLOAT)], xmm4 - movaps XMMWORD [XMMBLOCK(3,1,edi,SIZEOF_FAST_FLOAT)], xmm3 - -.nextcolumn: - add esi, byte 4*SIZEOF_JCOEF ; coef_block - add edx, byte 4*SIZEOF_FLOAT_MULT_TYPE ; quantptr - add edi, 4*DCTSIZE*SIZEOF_FAST_FLOAT ; wsptr - dec ecx ; ctr - jnz near .columnloop - - ; -- Prefetch the next coefficient block - - prefetchnta [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 0*32] - prefetchnta [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 1*32] - prefetchnta [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 2*32] - prefetchnta [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 3*32] - - ; ---- Pass 2: process rows from work array, store into output array. - - mov eax, [original_ebp] - lea esi, [workspace] ; FAST_FLOAT *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 - - movaps xmm0, XMMWORD [XMMBLOCK(0,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm1, XMMWORD [XMMBLOCK(2,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm2, XMMWORD [XMMBLOCK(4,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm3, XMMWORD [XMMBLOCK(6,0,esi,SIZEOF_FAST_FLOAT)] - - movaps xmm4,xmm0 - movaps xmm5,xmm1 - subps xmm0,xmm2 ; xmm0=tmp11 - subps xmm1,xmm3 - addps xmm4,xmm2 ; xmm4=tmp10 - addps xmm5,xmm3 ; xmm5=tmp13 - - mulps xmm1,[GOTOFF(ebx,PD_1_414)] - subps xmm1,xmm5 ; xmm1=tmp12 - - movaps xmm6,xmm4 - movaps xmm7,xmm0 - subps xmm4,xmm5 ; xmm4=tmp3 - subps xmm0,xmm1 ; xmm0=tmp2 - addps xmm6,xmm5 ; xmm6=tmp0 - addps xmm7,xmm1 ; xmm7=tmp1 - - movaps XMMWORD [wk(1)], xmm4 ; tmp3 - movaps XMMWORD [wk(0)], xmm0 ; tmp2 - - ; -- Odd part - - movaps xmm2, XMMWORD [XMMBLOCK(1,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm3, XMMWORD [XMMBLOCK(3,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm5, XMMWORD [XMMBLOCK(5,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm1, XMMWORD [XMMBLOCK(7,0,esi,SIZEOF_FAST_FLOAT)] - - movaps xmm4,xmm2 - movaps xmm0,xmm5 - addps xmm2,xmm1 ; xmm2=z11 - addps xmm5,xmm3 ; xmm5=z13 - subps xmm4,xmm1 ; xmm4=z12 - subps xmm0,xmm3 ; xmm0=z10 - - movaps xmm1,xmm2 - subps xmm2,xmm5 - addps xmm1,xmm5 ; xmm1=tmp7 - - mulps xmm2,[GOTOFF(ebx,PD_1_414)] ; xmm2=tmp11 - - movaps xmm3,xmm0 - addps xmm0,xmm4 - mulps xmm0,[GOTOFF(ebx,PD_1_847)] ; xmm0=z5 - mulps xmm3,[GOTOFF(ebx,PD_M2_613)] ; xmm3=(z10 * -2.613125930) - mulps xmm4,[GOTOFF(ebx,PD_1_082)] ; xmm4=(z12 * 1.082392200) - addps xmm3,xmm0 ; xmm3=tmp12 - subps xmm4,xmm0 ; xmm4=tmp10 - - ; -- Final output stage - - subps xmm3,xmm1 ; xmm3=tmp6 - movaps xmm5,xmm6 - movaps xmm0,xmm7 - addps xmm6,xmm1 ; xmm6=data0=(00 10 20 30) - addps xmm7,xmm3 ; xmm7=data1=(01 11 21 31) - subps xmm5,xmm1 ; xmm5=data7=(07 17 27 37) - subps xmm0,xmm3 ; xmm0=data6=(06 16 26 36) - subps xmm2,xmm3 ; xmm2=tmp5 - - movaps xmm1,[GOTOFF(ebx,PD_0_125)] ; xmm1=[PD_0_125] - - mulps xmm6,xmm1 ; descale(1/8) - mulps xmm7,xmm1 ; descale(1/8) - mulps xmm5,xmm1 ; descale(1/8) - mulps xmm0,xmm1 ; descale(1/8) - - movhlps xmm3,xmm6 - movhlps xmm1,xmm7 - cvtps2pi mm0,xmm6 ; round to int32, mm0=data0L=(00 10) - cvtps2pi mm1,xmm7 ; round to int32, mm1=data1L=(01 11) - cvtps2pi mm2,xmm3 ; round to int32, mm2=data0H=(20 30) - cvtps2pi mm3,xmm1 ; round to int32, mm3=data1H=(21 31) - packssdw mm0,mm2 ; mm0=data0=(00 10 20 30) - packssdw mm1,mm3 ; mm1=data1=(01 11 21 31) - - movhlps xmm6,xmm5 - movhlps xmm7,xmm0 - cvtps2pi mm4,xmm5 ; round to int32, mm4=data7L=(07 17) - cvtps2pi mm5,xmm0 ; round to int32, mm5=data6L=(06 16) - cvtps2pi mm6,xmm6 ; round to int32, mm6=data7H=(27 37) - cvtps2pi mm7,xmm7 ; round to int32, mm7=data6H=(26 36) - packssdw mm4,mm6 ; mm4=data7=(07 17 27 37) - packssdw mm5,mm7 ; mm5=data6=(06 16 26 36) - - packsswb mm0,mm5 ; mm0=(00 10 20 30 06 16 26 36) - packsswb mm1,mm4 ; mm1=(01 11 21 31 07 17 27 37) - - movaps xmm3, XMMWORD [wk(0)] ; xmm3=tmp2 - movaps xmm1, XMMWORD [wk(1)] ; xmm1=tmp3 - - movaps xmm6,[GOTOFF(ebx,PD_0_125)] ; xmm6=[PD_0_125] - - addps xmm4,xmm2 ; xmm4=tmp4 - movaps xmm5,xmm3 - movaps xmm0,xmm1 - addps xmm3,xmm2 ; xmm3=data2=(02 12 22 32) - addps xmm1,xmm4 ; xmm1=data4=(04 14 24 34) - subps xmm5,xmm2 ; xmm5=data5=(05 15 25 35) - subps xmm0,xmm4 ; xmm0=data3=(03 13 23 33) - - mulps xmm3,xmm6 ; descale(1/8) - mulps xmm1,xmm6 ; descale(1/8) - mulps xmm5,xmm6 ; descale(1/8) - mulps xmm0,xmm6 ; descale(1/8) - - movhlps xmm7,xmm3 - movhlps xmm2,xmm1 - cvtps2pi mm2,xmm3 ; round to int32, mm2=data2L=(02 12) - cvtps2pi mm3,xmm1 ; round to int32, mm3=data4L=(04 14) - cvtps2pi mm6,xmm7 ; round to int32, mm6=data2H=(22 32) - cvtps2pi mm7,xmm2 ; round to int32, mm7=data4H=(24 34) - packssdw mm2,mm6 ; mm2=data2=(02 12 22 32) - packssdw mm3,mm7 ; mm3=data4=(04 14 24 34) - - movhlps xmm4,xmm5 - movhlps xmm6,xmm0 - cvtps2pi mm5,xmm5 ; round to int32, mm5=data5L=(05 15) - cvtps2pi mm4,xmm0 ; round to int32, mm4=data3L=(03 13) - cvtps2pi mm6,xmm4 ; round to int32, mm6=data5H=(25 35) - cvtps2pi mm7,xmm6 ; round to int32, mm7=data3H=(23 33) - packssdw mm5,mm6 ; mm5=data5=(05 15 25 35) - packssdw mm4,mm7 ; mm4=data3=(03 13 23 33) - - movq mm6,[GOTOFF(ebx,PB_CENTERJSAMP)] ; mm6=[PB_CENTERJSAMP] - - packsswb mm2,mm3 ; mm2=(02 12 22 32 04 14 24 34) - packsswb mm4,mm5 ; mm4=(03 13 23 33 05 15 25 35) - - paddb mm0,mm6 - paddb mm1,mm6 - paddb mm2,mm6 - paddb mm4,mm6 - - movq mm7,mm0 ; transpose coefficients(phase 1) - punpcklbw mm0,mm1 ; mm0=(00 01 10 11 20 21 30 31) - punpckhbw mm7,mm1 ; mm7=(06 07 16 17 26 27 36 37) - movq mm3,mm2 ; transpose coefficients(phase 1) - punpcklbw mm2,mm4 ; mm2=(02 03 12 13 22 23 32 33) - punpckhbw mm3,mm4 ; mm3=(04 05 14 15 24 25 34 35) - - movq mm5,mm0 ; transpose coefficients(phase 2) - punpcklwd mm0,mm2 ; mm0=(00 01 02 03 10 11 12 13) - punpckhwd mm5,mm2 ; mm5=(20 21 22 23 30 31 32 33) - movq mm6,mm3 ; transpose coefficients(phase 2) - punpcklwd mm3,mm7 ; mm3=(04 05 06 07 14 15 16 17) - punpckhwd mm6,mm7 ; mm6=(24 25 26 27 34 35 36 37) - - movq mm1,mm0 ; transpose coefficients(phase 3) - punpckldq mm0,mm3 ; mm0=(00 01 02 03 04 05 06 07) - punpckhdq mm1,mm3 ; mm1=(10 11 12 13 14 15 16 17) - movq mm4,mm5 ; transpose coefficients(phase 3) - punpckldq mm5,mm6 ; mm5=(20 21 22 23 24 25 26 27) - punpckhdq mm4,mm6 ; 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], mm1 - mov edx, JSAMPROW [edi+2*SIZEOF_JSAMPROW] - mov ebx, JSAMPROW [edi+3*SIZEOF_JSAMPROW] - movq MMWORD [edx+eax*SIZEOF_JSAMPLE], mm5 - movq MMWORD [ebx+eax*SIZEOF_JSAMPLE], mm4 - - poppic ebx ; restore GOT address - - add esi, byte 4*SIZEOF_FAST_FLOAT ; 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 |