diff options
Diffstat (limited to 'media/libjpeg/simd/jidctfst-sse2-64.asm')
-rw-r--r-- | media/libjpeg/simd/jidctfst-sse2-64.asm | 491 |
1 files changed, 0 insertions, 491 deletions
diff --git a/media/libjpeg/simd/jidctfst-sse2-64.asm b/media/libjpeg/simd/jidctfst-sse2-64.asm deleted file mode 100644 index 48846426d2..0000000000 --- a/media/libjpeg/simd/jidctfst-sse2-64.asm +++ /dev/null @@ -1,491 +0,0 @@ -; -; jidctfst.asm - fast integer IDCT (64-bit SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; Copyright (C) 2009, D. R. Commander. -; -; 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 fast, not so accurate integer implementation of -; the inverse DCT (Discrete Cosine Transform). The following code is -; based directly on the IJG's original jidctfst.c; see the jidctfst.c -; for more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%define CONST_BITS 8 ; 14 is also OK. -%define PASS1_BITS 2 - -%if IFAST_SCALE_BITS != PASS1_BITS -%error "'IFAST_SCALE_BITS' must be equal to 'PASS1_BITS'." -%endif - -%if CONST_BITS == 8 -F_1_082 equ 277 ; FIX(1.082392200) -F_1_414 equ 362 ; FIX(1.414213562) -F_1_847 equ 473 ; FIX(1.847759065) -F_2_613 equ 669 ; FIX(2.613125930) -F_1_613 equ (F_2_613 - 256) ; FIX(2.613125930) - FIX(1) -%else -; NASM cannot do compile-time arithmetic on floating-point constants. -%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n)) -F_1_082 equ DESCALE(1162209775,30-CONST_BITS) ; FIX(1.082392200) -F_1_414 equ DESCALE(1518500249,30-CONST_BITS) ; FIX(1.414213562) -F_1_847 equ DESCALE(1984016188,30-CONST_BITS) ; FIX(1.847759065) -F_2_613 equ DESCALE(2805822602,30-CONST_BITS) ; FIX(2.613125930) -F_1_613 equ (F_2_613 - (1 << CONST_BITS)) ; FIX(2.613125930) - FIX(1) -%endif - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - -; PRE_MULTIPLY_SCALE_BITS <= 2 (to avoid overflow) -; CONST_BITS + CONST_SHIFT + PRE_MULTIPLY_SCALE_BITS == 16 (for pmulhw) - -%define PRE_MULTIPLY_SCALE_BITS 2 -%define CONST_SHIFT (16 - PRE_MULTIPLY_SCALE_BITS - CONST_BITS) - - alignz 16 - global EXTN(jconst_idct_ifast_sse2) - -EXTN(jconst_idct_ifast_sse2): - -PW_F1414 times 8 dw F_1_414 << CONST_SHIFT -PW_F1847 times 8 dw F_1_847 << CONST_SHIFT -PW_MF1613 times 8 dw -F_1_613 << CONST_SHIFT -PW_F1082 times 8 dw F_1_082 << CONST_SHIFT -PB_CENTERJSAMP times 16 db CENTERJSAMPLE - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 64 -; -; Perform dequantization and inverse DCT on one block of coefficients. -; -; GLOBAL(void) -; jsimd_idct_ifast_sse2 (void *dct_table, JCOEFPTR coef_block, -; JSAMPARRAY output_buf, JDIMENSION output_col) -; - -; r10 = jpeg_component_info *compptr -; r11 = JCOEFPTR coef_block -; r12 = JSAMPARRAY output_buf -; r13 = JDIMENSION output_col - -%define original_rbp rbp+0 -%define wk(i) rbp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 2 - - align 16 - global EXTN(jsimd_idct_ifast_sse2) - -EXTN(jsimd_idct_ifast_sse2): - push rbp - mov rax,rsp ; rax = original rbp - sub rsp, byte 4 - and rsp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [rsp],rax - mov rbp,rsp ; rbp = aligned rbp - lea rsp, [wk(0)] - collect_args - - ; ---- Pass 1: process columns from input. - - mov rdx, r10 ; quantptr - mov rsi, r11 ; inptr - -%ifndef NO_ZERO_COLUMN_TEST_IFAST_SSE2 - mov eax, DWORD [DWBLOCK(1,0,rsi,SIZEOF_JCOEF)] - or eax, DWORD [DWBLOCK(2,0,rsi,SIZEOF_JCOEF)] - jnz near .columnDCT - - movdqa xmm0, XMMWORD [XMMBLOCK(1,0,rsi,SIZEOF_JCOEF)] - movdqa xmm1, XMMWORD [XMMBLOCK(2,0,rsi,SIZEOF_JCOEF)] - por xmm0, XMMWORD [XMMBLOCK(3,0,rsi,SIZEOF_JCOEF)] - por xmm1, XMMWORD [XMMBLOCK(4,0,rsi,SIZEOF_JCOEF)] - por xmm0, XMMWORD [XMMBLOCK(5,0,rsi,SIZEOF_JCOEF)] - por xmm1, XMMWORD [XMMBLOCK(6,0,rsi,SIZEOF_JCOEF)] - por xmm0, XMMWORD [XMMBLOCK(7,0,rsi,SIZEOF_JCOEF)] - por xmm1,xmm0 - packsswb xmm1,xmm1 - packsswb xmm1,xmm1 - movd eax,xmm1 - test rax,rax - jnz short .columnDCT - - ; -- AC terms all zero - - movdqa xmm0, XMMWORD [XMMBLOCK(0,0,rsi,SIZEOF_JCOEF)] - pmullw xmm0, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - - movdqa xmm7,xmm0 ; xmm0=in0=(00 01 02 03 04 05 06 07) - punpcklwd xmm0,xmm0 ; xmm0=(00 00 01 01 02 02 03 03) - punpckhwd xmm7,xmm7 ; xmm7=(04 04 05 05 06 06 07 07) - - pshufd xmm6,xmm0,0x00 ; xmm6=col0=(00 00 00 00 00 00 00 00) - pshufd xmm2,xmm0,0x55 ; xmm2=col1=(01 01 01 01 01 01 01 01) - pshufd xmm5,xmm0,0xAA ; xmm5=col2=(02 02 02 02 02 02 02 02) - pshufd xmm0,xmm0,0xFF ; xmm0=col3=(03 03 03 03 03 03 03 03) - pshufd xmm1,xmm7,0x00 ; xmm1=col4=(04 04 04 04 04 04 04 04) - pshufd xmm4,xmm7,0x55 ; xmm4=col5=(05 05 05 05 05 05 05 05) - pshufd xmm3,xmm7,0xAA ; xmm3=col6=(06 06 06 06 06 06 06 06) - pshufd xmm7,xmm7,0xFF ; xmm7=col7=(07 07 07 07 07 07 07 07) - - movdqa XMMWORD [wk(0)], xmm2 ; wk(0)=col1 - movdqa XMMWORD [wk(1)], xmm0 ; wk(1)=col3 - jmp near .column_end -%endif -.columnDCT: - - ; -- Even part - - movdqa xmm0, XMMWORD [XMMBLOCK(0,0,rsi,SIZEOF_JCOEF)] - movdqa xmm1, XMMWORD [XMMBLOCK(2,0,rsi,SIZEOF_JCOEF)] - pmullw xmm0, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_IFAST_MULT_TYPE)] - pmullw xmm1, XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_IFAST_MULT_TYPE)] - movdqa xmm2, XMMWORD [XMMBLOCK(4,0,rsi,SIZEOF_JCOEF)] - movdqa xmm3, XMMWORD [XMMBLOCK(6,0,rsi,SIZEOF_JCOEF)] - pmullw xmm2, XMMWORD [XMMBLOCK(4,0,rdx,SIZEOF_IFAST_MULT_TYPE)] - pmullw xmm3, XMMWORD [XMMBLOCK(6,0,rdx,SIZEOF_IFAST_MULT_TYPE)] - - movdqa xmm4,xmm0 - movdqa xmm5,xmm1 - psubw xmm0,xmm2 ; xmm0=tmp11 - psubw xmm1,xmm3 - paddw xmm4,xmm2 ; xmm4=tmp10 - paddw xmm5,xmm3 ; xmm5=tmp13 - - psllw xmm1,PRE_MULTIPLY_SCALE_BITS - pmulhw xmm1,[rel PW_F1414] - psubw xmm1,xmm5 ; xmm1=tmp12 - - movdqa xmm6,xmm4 - movdqa xmm7,xmm0 - psubw xmm4,xmm5 ; xmm4=tmp3 - psubw xmm0,xmm1 ; xmm0=tmp2 - paddw xmm6,xmm5 ; xmm6=tmp0 - paddw xmm7,xmm1 ; xmm7=tmp1 - - movdqa XMMWORD [wk(1)], xmm4 ; wk(1)=tmp3 - movdqa XMMWORD [wk(0)], xmm0 ; wk(0)=tmp2 - - ; -- Odd part - - movdqa xmm2, XMMWORD [XMMBLOCK(1,0,rsi,SIZEOF_JCOEF)] - movdqa xmm3, XMMWORD [XMMBLOCK(3,0,rsi,SIZEOF_JCOEF)] - pmullw xmm2, XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_IFAST_MULT_TYPE)] - pmullw xmm3, XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_IFAST_MULT_TYPE)] - movdqa xmm5, XMMWORD [XMMBLOCK(5,0,rsi,SIZEOF_JCOEF)] - movdqa xmm1, XMMWORD [XMMBLOCK(7,0,rsi,SIZEOF_JCOEF)] - pmullw xmm5, XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_IFAST_MULT_TYPE)] - pmullw xmm1, XMMWORD [XMMBLOCK(7,0,rdx,SIZEOF_IFAST_MULT_TYPE)] - - movdqa xmm4,xmm2 - movdqa xmm0,xmm5 - psubw xmm2,xmm1 ; xmm2=z12 - psubw xmm5,xmm3 ; xmm5=z10 - paddw xmm4,xmm1 ; xmm4=z11 - paddw xmm0,xmm3 ; xmm0=z13 - - movdqa xmm1,xmm5 ; xmm1=z10(unscaled) - psllw xmm2,PRE_MULTIPLY_SCALE_BITS - psllw xmm5,PRE_MULTIPLY_SCALE_BITS - - movdqa xmm3,xmm4 - psubw xmm4,xmm0 - paddw xmm3,xmm0 ; xmm3=tmp7 - - psllw xmm4,PRE_MULTIPLY_SCALE_BITS - pmulhw xmm4,[rel PW_F1414] ; xmm4=tmp11 - - ; To avoid overflow... - ; - ; (Original) - ; tmp12 = -2.613125930 * z10 + z5; - ; - ; (This implementation) - ; tmp12 = (-1.613125930 - 1) * z10 + z5; - ; = -1.613125930 * z10 - z10 + z5; - - movdqa xmm0,xmm5 - paddw xmm5,xmm2 - pmulhw xmm5,[rel PW_F1847] ; xmm5=z5 - pmulhw xmm0,[rel PW_MF1613] - pmulhw xmm2,[rel PW_F1082] - psubw xmm0,xmm1 - psubw xmm2,xmm5 ; xmm2=tmp10 - paddw xmm0,xmm5 ; xmm0=tmp12 - - ; -- Final output stage - - psubw xmm0,xmm3 ; xmm0=tmp6 - movdqa xmm1,xmm6 - movdqa xmm5,xmm7 - paddw xmm6,xmm3 ; xmm6=data0=(00 01 02 03 04 05 06 07) - paddw xmm7,xmm0 ; xmm7=data1=(10 11 12 13 14 15 16 17) - psubw xmm1,xmm3 ; xmm1=data7=(70 71 72 73 74 75 76 77) - psubw xmm5,xmm0 ; xmm5=data6=(60 61 62 63 64 65 66 67) - psubw xmm4,xmm0 ; xmm4=tmp5 - - movdqa xmm3,xmm6 ; transpose coefficients(phase 1) - punpcklwd xmm6,xmm7 ; xmm6=(00 10 01 11 02 12 03 13) - punpckhwd xmm3,xmm7 ; xmm3=(04 14 05 15 06 16 07 17) - movdqa xmm0,xmm5 ; transpose coefficients(phase 1) - punpcklwd xmm5,xmm1 ; xmm5=(60 70 61 71 62 72 63 73) - punpckhwd xmm0,xmm1 ; xmm0=(64 74 65 75 66 76 67 77) - - movdqa xmm7, XMMWORD [wk(0)] ; xmm7=tmp2 - movdqa xmm1, XMMWORD [wk(1)] ; xmm1=tmp3 - - movdqa XMMWORD [wk(0)], xmm5 ; wk(0)=(60 70 61 71 62 72 63 73) - movdqa XMMWORD [wk(1)], xmm0 ; wk(1)=(64 74 65 75 66 76 67 77) - - paddw xmm2,xmm4 ; xmm2=tmp4 - movdqa xmm5,xmm7 - movdqa xmm0,xmm1 - paddw xmm7,xmm4 ; xmm7=data2=(20 21 22 23 24 25 26 27) - paddw xmm1,xmm2 ; xmm1=data4=(40 41 42 43 44 45 46 47) - psubw xmm5,xmm4 ; xmm5=data5=(50 51 52 53 54 55 56 57) - psubw xmm0,xmm2 ; xmm0=data3=(30 31 32 33 34 35 36 37) - - movdqa xmm4,xmm7 ; transpose coefficients(phase 1) - punpcklwd xmm7,xmm0 ; xmm7=(20 30 21 31 22 32 23 33) - punpckhwd xmm4,xmm0 ; xmm4=(24 34 25 35 26 36 27 37) - movdqa xmm2,xmm1 ; transpose coefficients(phase 1) - punpcklwd xmm1,xmm5 ; xmm1=(40 50 41 51 42 52 43 53) - punpckhwd xmm2,xmm5 ; xmm2=(44 54 45 55 46 56 47 57) - - movdqa xmm0,xmm3 ; transpose coefficients(phase 2) - punpckldq xmm3,xmm4 ; xmm3=(04 14 24 34 05 15 25 35) - punpckhdq xmm0,xmm4 ; xmm0=(06 16 26 36 07 17 27 37) - movdqa xmm5,xmm6 ; transpose coefficients(phase 2) - punpckldq xmm6,xmm7 ; xmm6=(00 10 20 30 01 11 21 31) - punpckhdq xmm5,xmm7 ; xmm5=(02 12 22 32 03 13 23 33) - - movdqa xmm4, XMMWORD [wk(0)] ; xmm4=(60 70 61 71 62 72 63 73) - movdqa xmm7, XMMWORD [wk(1)] ; xmm7=(64 74 65 75 66 76 67 77) - - movdqa XMMWORD [wk(0)], xmm3 ; wk(0)=(04 14 24 34 05 15 25 35) - movdqa XMMWORD [wk(1)], xmm0 ; wk(1)=(06 16 26 36 07 17 27 37) - - movdqa xmm3,xmm1 ; transpose coefficients(phase 2) - punpckldq xmm1,xmm4 ; xmm1=(40 50 60 70 41 51 61 71) - punpckhdq xmm3,xmm4 ; xmm3=(42 52 62 72 43 53 63 73) - movdqa xmm0,xmm2 ; transpose coefficients(phase 2) - punpckldq xmm2,xmm7 ; xmm2=(44 54 64 74 45 55 65 75) - punpckhdq xmm0,xmm7 ; xmm0=(46 56 66 76 47 57 67 77) - - movdqa xmm4,xmm6 ; transpose coefficients(phase 3) - punpcklqdq xmm6,xmm1 ; xmm6=col0=(00 10 20 30 40 50 60 70) - punpckhqdq xmm4,xmm1 ; xmm4=col1=(01 11 21 31 41 51 61 71) - movdqa xmm7,xmm5 ; transpose coefficients(phase 3) - punpcklqdq xmm5,xmm3 ; xmm5=col2=(02 12 22 32 42 52 62 72) - punpckhqdq xmm7,xmm3 ; xmm7=col3=(03 13 23 33 43 53 63 73) - - movdqa xmm1, XMMWORD [wk(0)] ; xmm1=(04 14 24 34 05 15 25 35) - movdqa xmm3, XMMWORD [wk(1)] ; xmm3=(06 16 26 36 07 17 27 37) - - movdqa XMMWORD [wk(0)], xmm4 ; wk(0)=col1 - movdqa XMMWORD [wk(1)], xmm7 ; wk(1)=col3 - - movdqa xmm4,xmm1 ; transpose coefficients(phase 3) - punpcklqdq xmm1,xmm2 ; xmm1=col4=(04 14 24 34 44 54 64 74) - punpckhqdq xmm4,xmm2 ; xmm4=col5=(05 15 25 35 45 55 65 75) - movdqa xmm7,xmm3 ; transpose coefficients(phase 3) - punpcklqdq xmm3,xmm0 ; xmm3=col6=(06 16 26 36 46 56 66 76) - punpckhqdq xmm7,xmm0 ; xmm7=col7=(07 17 27 37 47 57 67 77) -.column_end: - - ; -- Prefetch the next coefficient block - - prefetchnta [rsi + DCTSIZE2*SIZEOF_JCOEF + 0*32] - prefetchnta [rsi + DCTSIZE2*SIZEOF_JCOEF + 1*32] - prefetchnta [rsi + DCTSIZE2*SIZEOF_JCOEF + 2*32] - prefetchnta [rsi + DCTSIZE2*SIZEOF_JCOEF + 3*32] - - ; ---- Pass 2: process rows from work array, store into output array. - - mov rax, [original_rbp] - mov rdi, r12 ; (JSAMPROW *) - mov eax, r13d - - ; -- Even part - - ; xmm6=col0, xmm5=col2, xmm1=col4, xmm3=col6 - - movdqa xmm2,xmm6 - movdqa xmm0,xmm5 - psubw xmm6,xmm1 ; xmm6=tmp11 - psubw xmm5,xmm3 - paddw xmm2,xmm1 ; xmm2=tmp10 - paddw xmm0,xmm3 ; xmm0=tmp13 - - psllw xmm5,PRE_MULTIPLY_SCALE_BITS - pmulhw xmm5,[rel PW_F1414] - psubw xmm5,xmm0 ; xmm5=tmp12 - - movdqa xmm1,xmm2 - movdqa xmm3,xmm6 - psubw xmm2,xmm0 ; xmm2=tmp3 - psubw xmm6,xmm5 ; xmm6=tmp2 - paddw xmm1,xmm0 ; xmm1=tmp0 - paddw xmm3,xmm5 ; xmm3=tmp1 - - movdqa xmm0, XMMWORD [wk(0)] ; xmm0=col1 - movdqa xmm5, XMMWORD [wk(1)] ; xmm5=col3 - - movdqa XMMWORD [wk(0)], xmm2 ; wk(0)=tmp3 - movdqa XMMWORD [wk(1)], xmm6 ; wk(1)=tmp2 - - ; -- Odd part - - ; xmm0=col1, xmm5=col3, xmm4=col5, xmm7=col7 - - movdqa xmm2,xmm0 - movdqa xmm6,xmm4 - psubw xmm0,xmm7 ; xmm0=z12 - psubw xmm4,xmm5 ; xmm4=z10 - paddw xmm2,xmm7 ; xmm2=z11 - paddw xmm6,xmm5 ; xmm6=z13 - - movdqa xmm7,xmm4 ; xmm7=z10(unscaled) - psllw xmm0,PRE_MULTIPLY_SCALE_BITS - psllw xmm4,PRE_MULTIPLY_SCALE_BITS - - movdqa xmm5,xmm2 - psubw xmm2,xmm6 - paddw xmm5,xmm6 ; xmm5=tmp7 - - psllw xmm2,PRE_MULTIPLY_SCALE_BITS - pmulhw xmm2,[rel PW_F1414] ; xmm2=tmp11 - - ; To avoid overflow... - ; - ; (Original) - ; tmp12 = -2.613125930 * z10 + z5; - ; - ; (This implementation) - ; tmp12 = (-1.613125930 - 1) * z10 + z5; - ; = -1.613125930 * z10 - z10 + z5; - - movdqa xmm6,xmm4 - paddw xmm4,xmm0 - pmulhw xmm4,[rel PW_F1847] ; xmm4=z5 - pmulhw xmm6,[rel PW_MF1613] - pmulhw xmm0,[rel PW_F1082] - psubw xmm6,xmm7 - psubw xmm0,xmm4 ; xmm0=tmp10 - paddw xmm6,xmm4 ; xmm6=tmp12 - - ; -- Final output stage - - psubw xmm6,xmm5 ; xmm6=tmp6 - movdqa xmm7,xmm1 - movdqa xmm4,xmm3 - paddw xmm1,xmm5 ; xmm1=data0=(00 10 20 30 40 50 60 70) - paddw xmm3,xmm6 ; xmm3=data1=(01 11 21 31 41 51 61 71) - psraw xmm1,(PASS1_BITS+3) ; descale - psraw xmm3,(PASS1_BITS+3) ; descale - psubw xmm7,xmm5 ; xmm7=data7=(07 17 27 37 47 57 67 77) - psubw xmm4,xmm6 ; xmm4=data6=(06 16 26 36 46 56 66 76) - psraw xmm7,(PASS1_BITS+3) ; descale - psraw xmm4,(PASS1_BITS+3) ; descale - psubw xmm2,xmm6 ; xmm2=tmp5 - - packsswb xmm1,xmm4 ; xmm1=(00 10 20 30 40 50 60 70 06 16 26 36 46 56 66 76) - packsswb xmm3,xmm7 ; xmm3=(01 11 21 31 41 51 61 71 07 17 27 37 47 57 67 77) - - movdqa xmm5, XMMWORD [wk(1)] ; xmm5=tmp2 - movdqa xmm6, XMMWORD [wk(0)] ; xmm6=tmp3 - - paddw xmm0,xmm2 ; xmm0=tmp4 - movdqa xmm4,xmm5 - movdqa xmm7,xmm6 - paddw xmm5,xmm2 ; xmm5=data2=(02 12 22 32 42 52 62 72) - paddw xmm6,xmm0 ; xmm6=data4=(04 14 24 34 44 54 64 74) - psraw xmm5,(PASS1_BITS+3) ; descale - psraw xmm6,(PASS1_BITS+3) ; descale - psubw xmm4,xmm2 ; xmm4=data5=(05 15 25 35 45 55 65 75) - psubw xmm7,xmm0 ; xmm7=data3=(03 13 23 33 43 53 63 73) - psraw xmm4,(PASS1_BITS+3) ; descale - psraw xmm7,(PASS1_BITS+3) ; descale - - movdqa xmm2,[rel PB_CENTERJSAMP] ; xmm2=[rel PB_CENTERJSAMP] - - packsswb xmm5,xmm6 ; xmm5=(02 12 22 32 42 52 62 72 04 14 24 34 44 54 64 74) - packsswb xmm7,xmm4 ; xmm7=(03 13 23 33 43 53 63 73 05 15 25 35 45 55 65 75) - - paddb xmm1,xmm2 - paddb xmm3,xmm2 - paddb xmm5,xmm2 - paddb xmm7,xmm2 - - movdqa xmm0,xmm1 ; transpose coefficients(phase 1) - punpcklbw xmm1,xmm3 ; xmm1=(00 01 10 11 20 21 30 31 40 41 50 51 60 61 70 71) - punpckhbw xmm0,xmm3 ; xmm0=(06 07 16 17 26 27 36 37 46 47 56 57 66 67 76 77) - movdqa xmm6,xmm5 ; transpose coefficients(phase 1) - punpcklbw xmm5,xmm7 ; xmm5=(02 03 12 13 22 23 32 33 42 43 52 53 62 63 72 73) - punpckhbw xmm6,xmm7 ; xmm6=(04 05 14 15 24 25 34 35 44 45 54 55 64 65 74 75) - - movdqa xmm4,xmm1 ; transpose coefficients(phase 2) - punpcklwd xmm1,xmm5 ; xmm1=(00 01 02 03 10 11 12 13 20 21 22 23 30 31 32 33) - punpckhwd xmm4,xmm5 ; xmm4=(40 41 42 43 50 51 52 53 60 61 62 63 70 71 72 73) - movdqa xmm2,xmm6 ; transpose coefficients(phase 2) - punpcklwd xmm6,xmm0 ; xmm6=(04 05 06 07 14 15 16 17 24 25 26 27 34 35 36 37) - punpckhwd xmm2,xmm0 ; xmm2=(44 45 46 47 54 55 56 57 64 65 66 67 74 75 76 77) - - movdqa xmm3,xmm1 ; transpose coefficients(phase 3) - punpckldq xmm1,xmm6 ; xmm1=(00 01 02 03 04 05 06 07 10 11 12 13 14 15 16 17) - punpckhdq xmm3,xmm6 ; xmm3=(20 21 22 23 24 25 26 27 30 31 32 33 34 35 36 37) - movdqa xmm7,xmm4 ; transpose coefficients(phase 3) - punpckldq xmm4,xmm2 ; xmm4=(40 41 42 43 44 45 46 47 50 51 52 53 54 55 56 57) - punpckhdq xmm7,xmm2 ; xmm7=(60 61 62 63 64 65 66 67 70 71 72 73 74 75 76 77) - - pshufd xmm5,xmm1,0x4E ; xmm5=(10 11 12 13 14 15 16 17 00 01 02 03 04 05 06 07) - pshufd xmm0,xmm3,0x4E ; xmm0=(30 31 32 33 34 35 36 37 20 21 22 23 24 25 26 27) - pshufd xmm6,xmm4,0x4E ; xmm6=(50 51 52 53 54 55 56 57 40 41 42 43 44 45 46 47) - pshufd xmm2,xmm7,0x4E ; xmm2=(70 71 72 73 74 75 76 77 60 61 62 63 64 65 66 67) - - mov rdx, JSAMPROW [rdi+0*SIZEOF_JSAMPROW] - mov rsi, JSAMPROW [rdi+2*SIZEOF_JSAMPROW] - movq XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE], xmm1 - movq XMM_MMWORD [rsi+rax*SIZEOF_JSAMPLE], xmm3 - mov rdx, JSAMPROW [rdi+4*SIZEOF_JSAMPROW] - mov rsi, JSAMPROW [rdi+6*SIZEOF_JSAMPROW] - movq XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE], xmm4 - movq XMM_MMWORD [rsi+rax*SIZEOF_JSAMPLE], xmm7 - - mov rdx, JSAMPROW [rdi+1*SIZEOF_JSAMPROW] - mov rsi, JSAMPROW [rdi+3*SIZEOF_JSAMPROW] - movq XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE], xmm5 - movq XMM_MMWORD [rsi+rax*SIZEOF_JSAMPLE], xmm0 - mov rdx, JSAMPROW [rdi+5*SIZEOF_JSAMPROW] - mov rsi, JSAMPROW [rdi+7*SIZEOF_JSAMPROW] - movq XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE], xmm6 - movq XMM_MMWORD [rsi+rax*SIZEOF_JSAMPLE], xmm2 - - uncollect_args - mov rsp,rbp ; rsp <- aligned rbp - pop rsp ; rsp <- original rbp - pop rbp - ret - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 |