diff options
Diffstat (limited to 'media/libjpeg/simd/jidctint-sse2-64.asm')
| -rw-r--r-- | media/libjpeg/simd/jidctint-sse2-64.asm | 847 |
1 files changed, 0 insertions, 847 deletions
diff --git a/media/libjpeg/simd/jidctint-sse2-64.asm b/media/libjpeg/simd/jidctint-sse2-64.asm deleted file mode 100644 index afe1d6a73b..0000000000 --- a/media/libjpeg/simd/jidctint-sse2-64.asm +++ /dev/null @@ -1,847 +0,0 @@ -; -; jidctint.asm - accurate 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 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_sse2) - -EXTN(jconst_idct_islow_sse2): - -PW_F130_F054 times 4 dw (F_0_541+F_0_765), F_0_541 -PW_F054_MF130 times 4 dw F_0_541, (F_0_541-F_1_847) -PW_MF078_F117 times 4 dw (F_1_175-F_1_961), F_1_175 -PW_F117_F078 times 4 dw F_1_175, (F_1_175-F_0_390) -PW_MF060_MF089 times 4 dw (F_0_298-F_0_899),-F_0_899 -PW_MF089_F060 times 4 dw -F_0_899, (F_1_501-F_0_899) -PW_MF050_MF256 times 4 dw (F_2_053-F_2_562),-F_2_562 -PW_MF256_F050 times 4 dw -F_2_562, (F_3_072-F_2_562) -PD_DESCALE_P1 times 4 dd 1 << (DESCALE_P1-1) -PD_DESCALE_P2 times 4 dd 1 << (DESCALE_P2-1) -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_islow_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 12 - - align 16 - global EXTN(jsimd_idct_islow_sse2) - -EXTN(jsimd_idct_islow_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_ISLOW_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 xmm5, XMMWORD [XMMBLOCK(0,0,rsi,SIZEOF_JCOEF)] - pmullw xmm5, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - - psllw xmm5,PASS1_BITS - - movdqa xmm4,xmm5 ; xmm5=in0=(00 01 02 03 04 05 06 07) - punpcklwd xmm5,xmm5 ; xmm5=(00 00 01 01 02 02 03 03) - punpckhwd xmm4,xmm4 ; xmm4=(04 04 05 05 06 06 07 07) - - pshufd xmm7,xmm5,0x00 ; xmm7=col0=(00 00 00 00 00 00 00 00) - pshufd xmm6,xmm5,0x55 ; xmm6=col1=(01 01 01 01 01 01 01 01) - pshufd xmm1,xmm5,0xAA ; xmm1=col2=(02 02 02 02 02 02 02 02) - pshufd xmm5,xmm5,0xFF ; xmm5=col3=(03 03 03 03 03 03 03 03) - pshufd xmm0,xmm4,0x00 ; xmm0=col4=(04 04 04 04 04 04 04 04) - pshufd xmm3,xmm4,0x55 ; xmm3=col5=(05 05 05 05 05 05 05 05) - pshufd xmm2,xmm4,0xAA ; xmm2=col6=(06 06 06 06 06 06 06 06) - pshufd xmm4,xmm4,0xFF ; xmm4=col7=(07 07 07 07 07 07 07 07) - - movdqa XMMWORD [wk(8)], xmm6 ; wk(8)=col1 - movdqa XMMWORD [wk(9)], xmm5 ; wk(9)=col3 - movdqa XMMWORD [wk(10)], xmm3 ; wk(10)=col5 - movdqa XMMWORD [wk(11)], xmm4 ; wk(11)=col7 - 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_ISLOW_MULT_TYPE)] - pmullw xmm1, XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_ISLOW_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_ISLOW_MULT_TYPE)] - pmullw xmm3, XMMWORD [XMMBLOCK(6,0,rdx,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; - - movdqa xmm4,xmm1 ; xmm1=in2=z2 - movdqa xmm5,xmm1 - punpcklwd xmm4,xmm3 ; xmm3=in6=z3 - punpckhwd xmm5,xmm3 - movdqa xmm1,xmm4 - movdqa xmm3,xmm5 - pmaddwd xmm4,[rel PW_F130_F054] ; xmm4=tmp3L - pmaddwd xmm5,[rel PW_F130_F054] ; xmm5=tmp3H - pmaddwd xmm1,[rel PW_F054_MF130] ; xmm1=tmp2L - pmaddwd xmm3,[rel PW_F054_MF130] ; xmm3=tmp2H - - movdqa xmm6,xmm0 - paddw xmm0,xmm2 ; xmm0=in0+in4 - psubw xmm6,xmm2 ; xmm6=in0-in4 - - pxor xmm7,xmm7 - pxor xmm2,xmm2 - punpcklwd xmm7,xmm0 ; xmm7=tmp0L - punpckhwd xmm2,xmm0 ; xmm2=tmp0H - psrad xmm7,(16-CONST_BITS) ; psrad xmm7,16 & pslld xmm7,CONST_BITS - psrad xmm2,(16-CONST_BITS) ; psrad xmm2,16 & pslld xmm2,CONST_BITS - - movdqa xmm0,xmm7 - paddd xmm7,xmm4 ; xmm7=tmp10L - psubd xmm0,xmm4 ; xmm0=tmp13L - movdqa xmm4,xmm2 - paddd xmm2,xmm5 ; xmm2=tmp10H - psubd xmm4,xmm5 ; xmm4=tmp13H - - movdqa XMMWORD [wk(0)], xmm7 ; wk(0)=tmp10L - movdqa XMMWORD [wk(1)], xmm2 ; wk(1)=tmp10H - movdqa XMMWORD [wk(2)], xmm0 ; wk(2)=tmp13L - movdqa XMMWORD [wk(3)], xmm4 ; wk(3)=tmp13H - - pxor xmm5,xmm5 - pxor xmm7,xmm7 - punpcklwd xmm5,xmm6 ; xmm5=tmp1L - punpckhwd xmm7,xmm6 ; xmm7=tmp1H - psrad xmm5,(16-CONST_BITS) ; psrad xmm5,16 & pslld xmm5,CONST_BITS - psrad xmm7,(16-CONST_BITS) ; psrad xmm7,16 & pslld xmm7,CONST_BITS - - movdqa xmm2,xmm5 - paddd xmm5,xmm1 ; xmm5=tmp11L - psubd xmm2,xmm1 ; xmm2=tmp12L - movdqa xmm0,xmm7 - paddd xmm7,xmm3 ; xmm7=tmp11H - psubd xmm0,xmm3 ; xmm0=tmp12H - - movdqa XMMWORD [wk(4)], xmm5 ; wk(4)=tmp11L - movdqa XMMWORD [wk(5)], xmm7 ; wk(5)=tmp11H - movdqa XMMWORD [wk(6)], xmm2 ; wk(6)=tmp12L - movdqa XMMWORD [wk(7)], xmm0 ; wk(7)=tmp12H - - ; -- Odd part - - movdqa xmm4, XMMWORD [XMMBLOCK(1,0,rsi,SIZEOF_JCOEF)] - movdqa xmm6, XMMWORD [XMMBLOCK(3,0,rsi,SIZEOF_JCOEF)] - pmullw xmm4, XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw xmm6, XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - movdqa xmm1, XMMWORD [XMMBLOCK(5,0,rsi,SIZEOF_JCOEF)] - movdqa xmm3, XMMWORD [XMMBLOCK(7,0,rsi,SIZEOF_JCOEF)] - pmullw xmm1, XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw xmm3, XMMWORD [XMMBLOCK(7,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - - movdqa xmm5,xmm6 - movdqa xmm7,xmm4 - paddw xmm5,xmm3 ; xmm5=z3 - paddw xmm7,xmm1 ; xmm7=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); - - movdqa xmm2,xmm5 - movdqa xmm0,xmm5 - punpcklwd xmm2,xmm7 - punpckhwd xmm0,xmm7 - movdqa xmm5,xmm2 - movdqa xmm7,xmm0 - pmaddwd xmm2,[rel PW_MF078_F117] ; xmm2=z3L - pmaddwd xmm0,[rel PW_MF078_F117] ; xmm0=z3H - pmaddwd xmm5,[rel PW_F117_F078] ; xmm5=z4L - pmaddwd xmm7,[rel PW_F117_F078] ; xmm7=z4H - - movdqa XMMWORD [wk(10)], xmm2 ; wk(10)=z3L - movdqa XMMWORD [wk(11)], xmm0 ; 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; - - movdqa xmm2,xmm3 - movdqa xmm0,xmm3 - punpcklwd xmm2,xmm4 - punpckhwd xmm0,xmm4 - movdqa xmm3,xmm2 - movdqa xmm4,xmm0 - pmaddwd xmm2,[rel PW_MF060_MF089] ; xmm2=tmp0L - pmaddwd xmm0,[rel PW_MF060_MF089] ; xmm0=tmp0H - pmaddwd xmm3,[rel PW_MF089_F060] ; xmm3=tmp3L - pmaddwd xmm4,[rel PW_MF089_F060] ; xmm4=tmp3H - - paddd xmm2, XMMWORD [wk(10)] ; xmm2=tmp0L - paddd xmm0, XMMWORD [wk(11)] ; xmm0=tmp0H - paddd xmm3,xmm5 ; xmm3=tmp3L - paddd xmm4,xmm7 ; xmm4=tmp3H - - movdqa XMMWORD [wk(8)], xmm2 ; wk(8)=tmp0L - movdqa XMMWORD [wk(9)], xmm0 ; wk(9)=tmp0H - - movdqa xmm2,xmm1 - movdqa xmm0,xmm1 - punpcklwd xmm2,xmm6 - punpckhwd xmm0,xmm6 - movdqa xmm1,xmm2 - movdqa xmm6,xmm0 - pmaddwd xmm2,[rel PW_MF050_MF256] ; xmm2=tmp1L - pmaddwd xmm0,[rel PW_MF050_MF256] ; xmm0=tmp1H - pmaddwd xmm1,[rel PW_MF256_F050] ; xmm1=tmp2L - pmaddwd xmm6,[rel PW_MF256_F050] ; xmm6=tmp2H - - paddd xmm2,xmm5 ; xmm2=tmp1L - paddd xmm0,xmm7 ; xmm0=tmp1H - paddd xmm1, XMMWORD [wk(10)] ; xmm1=tmp2L - paddd xmm6, XMMWORD [wk(11)] ; xmm6=tmp2H - - movdqa XMMWORD [wk(10)], xmm2 ; wk(10)=tmp1L - movdqa XMMWORD [wk(11)], xmm0 ; wk(11)=tmp1H - - ; -- Final output stage - - movdqa xmm5, XMMWORD [wk(0)] ; xmm5=tmp10L - movdqa xmm7, XMMWORD [wk(1)] ; xmm7=tmp10H - - movdqa xmm2,xmm5 - movdqa xmm0,xmm7 - paddd xmm5,xmm3 ; xmm5=data0L - paddd xmm7,xmm4 ; xmm7=data0H - psubd xmm2,xmm3 ; xmm2=data7L - psubd xmm0,xmm4 ; xmm0=data7H - - movdqa xmm3,[rel PD_DESCALE_P1] ; xmm3=[rel PD_DESCALE_P1] - - paddd xmm5,xmm3 - paddd xmm7,xmm3 - psrad xmm5,DESCALE_P1 - psrad xmm7,DESCALE_P1 - paddd xmm2,xmm3 - paddd xmm0,xmm3 - psrad xmm2,DESCALE_P1 - psrad xmm0,DESCALE_P1 - - packssdw xmm5,xmm7 ; xmm5=data0=(00 01 02 03 04 05 06 07) - packssdw xmm2,xmm0 ; xmm2=data7=(70 71 72 73 74 75 76 77) - - movdqa xmm4, XMMWORD [wk(4)] ; xmm4=tmp11L - movdqa xmm3, XMMWORD [wk(5)] ; xmm3=tmp11H - - movdqa xmm7,xmm4 - movdqa xmm0,xmm3 - paddd xmm4,xmm1 ; xmm4=data1L - paddd xmm3,xmm6 ; xmm3=data1H - psubd xmm7,xmm1 ; xmm7=data6L - psubd xmm0,xmm6 ; xmm0=data6H - - movdqa xmm1,[rel PD_DESCALE_P1] ; xmm1=[rel PD_DESCALE_P1] - - paddd xmm4,xmm1 - paddd xmm3,xmm1 - psrad xmm4,DESCALE_P1 - psrad xmm3,DESCALE_P1 - paddd xmm7,xmm1 - paddd xmm0,xmm1 - psrad xmm7,DESCALE_P1 - psrad xmm0,DESCALE_P1 - - packssdw xmm4,xmm3 ; xmm4=data1=(10 11 12 13 14 15 16 17) - packssdw xmm7,xmm0 ; xmm7=data6=(60 61 62 63 64 65 66 67) - - movdqa xmm6,xmm5 ; transpose coefficients(phase 1) - punpcklwd xmm5,xmm4 ; xmm5=(00 10 01 11 02 12 03 13) - punpckhwd xmm6,xmm4 ; xmm6=(04 14 05 15 06 16 07 17) - movdqa xmm1,xmm7 ; transpose coefficients(phase 1) - punpcklwd xmm7,xmm2 ; xmm7=(60 70 61 71 62 72 63 73) - punpckhwd xmm1,xmm2 ; xmm1=(64 74 65 75 66 76 67 77) - - movdqa xmm3, XMMWORD [wk(6)] ; xmm3=tmp12L - movdqa xmm0, XMMWORD [wk(7)] ; xmm0=tmp12H - movdqa xmm4, XMMWORD [wk(10)] ; xmm4=tmp1L - movdqa xmm2, XMMWORD [wk(11)] ; xmm2=tmp1H - - movdqa XMMWORD [wk(0)], xmm5 ; wk(0)=(00 10 01 11 02 12 03 13) - movdqa XMMWORD [wk(1)], xmm6 ; wk(1)=(04 14 05 15 06 16 07 17) - movdqa XMMWORD [wk(4)], xmm7 ; wk(4)=(60 70 61 71 62 72 63 73) - movdqa XMMWORD [wk(5)], xmm1 ; wk(5)=(64 74 65 75 66 76 67 77) - - movdqa xmm5,xmm3 - movdqa xmm6,xmm0 - paddd xmm3,xmm4 ; xmm3=data2L - paddd xmm0,xmm2 ; xmm0=data2H - psubd xmm5,xmm4 ; xmm5=data5L - psubd xmm6,xmm2 ; xmm6=data5H - - movdqa xmm7,[rel PD_DESCALE_P1] ; xmm7=[rel PD_DESCALE_P1] - - paddd xmm3,xmm7 - paddd xmm0,xmm7 - psrad xmm3,DESCALE_P1 - psrad xmm0,DESCALE_P1 - paddd xmm5,xmm7 - paddd xmm6,xmm7 - psrad xmm5,DESCALE_P1 - psrad xmm6,DESCALE_P1 - - packssdw xmm3,xmm0 ; xmm3=data2=(20 21 22 23 24 25 26 27) - packssdw xmm5,xmm6 ; xmm5=data5=(50 51 52 53 54 55 56 57) - - movdqa xmm1, XMMWORD [wk(2)] ; xmm1=tmp13L - movdqa xmm4, XMMWORD [wk(3)] ; xmm4=tmp13H - movdqa xmm2, XMMWORD [wk(8)] ; xmm2=tmp0L - movdqa xmm7, XMMWORD [wk(9)] ; xmm7=tmp0H - - movdqa xmm0,xmm1 - movdqa xmm6,xmm4 - paddd xmm1,xmm2 ; xmm1=data3L - paddd xmm4,xmm7 ; xmm4=data3H - psubd xmm0,xmm2 ; xmm0=data4L - psubd xmm6,xmm7 ; xmm6=data4H - - movdqa xmm2,[rel PD_DESCALE_P1] ; xmm2=[rel PD_DESCALE_P1] - - paddd xmm1,xmm2 - paddd xmm4,xmm2 - psrad xmm1,DESCALE_P1 - psrad xmm4,DESCALE_P1 - paddd xmm0,xmm2 - paddd xmm6,xmm2 - psrad xmm0,DESCALE_P1 - psrad xmm6,DESCALE_P1 - - packssdw xmm1,xmm4 ; xmm1=data3=(30 31 32 33 34 35 36 37) - packssdw xmm0,xmm6 ; xmm0=data4=(40 41 42 43 44 45 46 47) - - movdqa xmm7, XMMWORD [wk(0)] ; xmm7=(00 10 01 11 02 12 03 13) - movdqa xmm2, XMMWORD [wk(1)] ; xmm2=(04 14 05 15 06 16 07 17) - - movdqa xmm4,xmm3 ; transpose coefficients(phase 1) - punpcklwd xmm3,xmm1 ; xmm3=(20 30 21 31 22 32 23 33) - punpckhwd xmm4,xmm1 ; xmm4=(24 34 25 35 26 36 27 37) - movdqa xmm6,xmm0 ; transpose coefficients(phase 1) - punpcklwd xmm0,xmm5 ; xmm0=(40 50 41 51 42 52 43 53) - punpckhwd xmm6,xmm5 ; xmm6=(44 54 45 55 46 56 47 57) - - movdqa xmm1,xmm7 ; transpose coefficients(phase 2) - punpckldq xmm7,xmm3 ; xmm7=(00 10 20 30 01 11 21 31) - punpckhdq xmm1,xmm3 ; xmm1=(02 12 22 32 03 13 23 33) - movdqa xmm5,xmm2 ; transpose coefficients(phase 2) - punpckldq xmm2,xmm4 ; xmm2=(04 14 24 34 05 15 25 35) - punpckhdq xmm5,xmm4 ; xmm5=(06 16 26 36 07 17 27 37) - - movdqa xmm3, XMMWORD [wk(4)] ; xmm3=(60 70 61 71 62 72 63 73) - movdqa xmm4, XMMWORD [wk(5)] ; xmm4=(64 74 65 75 66 76 67 77) - - movdqa XMMWORD [wk(6)], xmm2 ; wk(6)=(04 14 24 34 05 15 25 35) - movdqa XMMWORD [wk(7)], xmm5 ; wk(7)=(06 16 26 36 07 17 27 37) - - movdqa xmm2,xmm0 ; transpose coefficients(phase 2) - punpckldq xmm0,xmm3 ; xmm0=(40 50 60 70 41 51 61 71) - punpckhdq xmm2,xmm3 ; xmm2=(42 52 62 72 43 53 63 73) - movdqa xmm5,xmm6 ; transpose coefficients(phase 2) - punpckldq xmm6,xmm4 ; xmm6=(44 54 64 74 45 55 65 75) - punpckhdq xmm5,xmm4 ; xmm5=(46 56 66 76 47 57 67 77) - - movdqa xmm3,xmm7 ; transpose coefficients(phase 3) - punpcklqdq xmm7,xmm0 ; xmm7=col0=(00 10 20 30 40 50 60 70) - punpckhqdq xmm3,xmm0 ; xmm3=col1=(01 11 21 31 41 51 61 71) - movdqa xmm4,xmm1 ; transpose coefficients(phase 3) - punpcklqdq xmm1,xmm2 ; xmm1=col2=(02 12 22 32 42 52 62 72) - punpckhqdq xmm4,xmm2 ; xmm4=col3=(03 13 23 33 43 53 63 73) - - movdqa xmm0, XMMWORD [wk(6)] ; xmm0=(04 14 24 34 05 15 25 35) - movdqa xmm2, XMMWORD [wk(7)] ; xmm2=(06 16 26 36 07 17 27 37) - - movdqa XMMWORD [wk(8)], xmm3 ; wk(8)=col1 - movdqa XMMWORD [wk(9)], xmm4 ; wk(9)=col3 - - movdqa xmm3,xmm0 ; transpose coefficients(phase 3) - punpcklqdq xmm0,xmm6 ; xmm0=col4=(04 14 24 34 44 54 64 74) - punpckhqdq xmm3,xmm6 ; xmm3=col5=(05 15 25 35 45 55 65 75) - movdqa xmm4,xmm2 ; transpose coefficients(phase 3) - punpcklqdq xmm2,xmm5 ; xmm2=col6=(06 16 26 36 46 56 66 76) - punpckhqdq xmm4,xmm5 ; xmm4=col7=(07 17 27 37 47 57 67 77) - - movdqa XMMWORD [wk(10)], xmm3 ; wk(10)=col5 - movdqa XMMWORD [wk(11)], xmm4 ; wk(11)=col7 -.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 - - ; xmm7=col0, xmm1=col2, xmm0=col4, xmm2=col6 - - ; (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; - - movdqa xmm6,xmm1 ; xmm1=in2=z2 - movdqa xmm5,xmm1 - punpcklwd xmm6,xmm2 ; xmm2=in6=z3 - punpckhwd xmm5,xmm2 - movdqa xmm1,xmm6 - movdqa xmm2,xmm5 - pmaddwd xmm6,[rel PW_F130_F054] ; xmm6=tmp3L - pmaddwd xmm5,[rel PW_F130_F054] ; xmm5=tmp3H - pmaddwd xmm1,[rel PW_F054_MF130] ; xmm1=tmp2L - pmaddwd xmm2,[rel PW_F054_MF130] ; xmm2=tmp2H - - movdqa xmm3,xmm7 - paddw xmm7,xmm0 ; xmm7=in0+in4 - psubw xmm3,xmm0 ; xmm3=in0-in4 - - pxor xmm4,xmm4 - pxor xmm0,xmm0 - punpcklwd xmm4,xmm7 ; xmm4=tmp0L - punpckhwd xmm0,xmm7 ; xmm0=tmp0H - psrad xmm4,(16-CONST_BITS) ; psrad xmm4,16 & pslld xmm4,CONST_BITS - psrad xmm0,(16-CONST_BITS) ; psrad xmm0,16 & pslld xmm0,CONST_BITS - - movdqa xmm7,xmm4 - paddd xmm4,xmm6 ; xmm4=tmp10L - psubd xmm7,xmm6 ; xmm7=tmp13L - movdqa xmm6,xmm0 - paddd xmm0,xmm5 ; xmm0=tmp10H - psubd xmm6,xmm5 ; xmm6=tmp13H - - movdqa XMMWORD [wk(0)], xmm4 ; wk(0)=tmp10L - movdqa XMMWORD [wk(1)], xmm0 ; wk(1)=tmp10H - movdqa XMMWORD [wk(2)], xmm7 ; wk(2)=tmp13L - movdqa XMMWORD [wk(3)], xmm6 ; wk(3)=tmp13H - - pxor xmm5,xmm5 - pxor xmm4,xmm4 - punpcklwd xmm5,xmm3 ; xmm5=tmp1L - punpckhwd xmm4,xmm3 ; xmm4=tmp1H - psrad xmm5,(16-CONST_BITS) ; psrad xmm5,16 & pslld xmm5,CONST_BITS - psrad xmm4,(16-CONST_BITS) ; psrad xmm4,16 & pslld xmm4,CONST_BITS - - movdqa xmm0,xmm5 - paddd xmm5,xmm1 ; xmm5=tmp11L - psubd xmm0,xmm1 ; xmm0=tmp12L - movdqa xmm7,xmm4 - paddd xmm4,xmm2 ; xmm4=tmp11H - psubd xmm7,xmm2 ; xmm7=tmp12H - - movdqa XMMWORD [wk(4)], xmm5 ; wk(4)=tmp11L - movdqa XMMWORD [wk(5)], xmm4 ; wk(5)=tmp11H - movdqa XMMWORD [wk(6)], xmm0 ; wk(6)=tmp12L - movdqa XMMWORD [wk(7)], xmm7 ; wk(7)=tmp12H - - ; -- Odd part - - movdqa xmm6, XMMWORD [wk(9)] ; xmm6=col3 - movdqa xmm3, XMMWORD [wk(8)] ; xmm3=col1 - movdqa xmm1, XMMWORD [wk(11)] ; xmm1=col7 - movdqa xmm2, XMMWORD [wk(10)] ; xmm2=col5 - - movdqa xmm5,xmm6 - movdqa xmm4,xmm3 - paddw xmm5,xmm1 ; xmm5=z3 - paddw xmm4,xmm2 ; xmm4=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); - - movdqa xmm0,xmm5 - movdqa xmm7,xmm5 - punpcklwd xmm0,xmm4 - punpckhwd xmm7,xmm4 - movdqa xmm5,xmm0 - movdqa xmm4,xmm7 - pmaddwd xmm0,[rel PW_MF078_F117] ; xmm0=z3L - pmaddwd xmm7,[rel PW_MF078_F117] ; xmm7=z3H - pmaddwd xmm5,[rel PW_F117_F078] ; xmm5=z4L - pmaddwd xmm4,[rel PW_F117_F078] ; xmm4=z4H - - movdqa XMMWORD [wk(10)], xmm0 ; wk(10)=z3L - movdqa XMMWORD [wk(11)], xmm7 ; 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; - - movdqa xmm0,xmm1 - movdqa xmm7,xmm1 - punpcklwd xmm0,xmm3 - punpckhwd xmm7,xmm3 - movdqa xmm1,xmm0 - movdqa xmm3,xmm7 - pmaddwd xmm0,[rel PW_MF060_MF089] ; xmm0=tmp0L - pmaddwd xmm7,[rel PW_MF060_MF089] ; xmm7=tmp0H - pmaddwd xmm1,[rel PW_MF089_F060] ; xmm1=tmp3L - pmaddwd xmm3,[rel PW_MF089_F060] ; xmm3=tmp3H - - paddd xmm0, XMMWORD [wk(10)] ; xmm0=tmp0L - paddd xmm7, XMMWORD [wk(11)] ; xmm7=tmp0H - paddd xmm1,xmm5 ; xmm1=tmp3L - paddd xmm3,xmm4 ; xmm3=tmp3H - - movdqa XMMWORD [wk(8)], xmm0 ; wk(8)=tmp0L - movdqa XMMWORD [wk(9)], xmm7 ; wk(9)=tmp0H - - movdqa xmm0,xmm2 - movdqa xmm7,xmm2 - punpcklwd xmm0,xmm6 - punpckhwd xmm7,xmm6 - movdqa xmm2,xmm0 - movdqa xmm6,xmm7 - pmaddwd xmm0,[rel PW_MF050_MF256] ; xmm0=tmp1L - pmaddwd xmm7,[rel PW_MF050_MF256] ; xmm7=tmp1H - pmaddwd xmm2,[rel PW_MF256_F050] ; xmm2=tmp2L - pmaddwd xmm6,[rel PW_MF256_F050] ; xmm6=tmp2H - - paddd xmm0,xmm5 ; xmm0=tmp1L - paddd xmm7,xmm4 ; xmm7=tmp1H - paddd xmm2, XMMWORD [wk(10)] ; xmm2=tmp2L - paddd xmm6, XMMWORD [wk(11)] ; xmm6=tmp2H - - movdqa XMMWORD [wk(10)], xmm0 ; wk(10)=tmp1L - movdqa XMMWORD [wk(11)], xmm7 ; wk(11)=tmp1H - - ; -- Final output stage - - movdqa xmm5, XMMWORD [wk(0)] ; xmm5=tmp10L - movdqa xmm4, XMMWORD [wk(1)] ; xmm4=tmp10H - - movdqa xmm0,xmm5 - movdqa xmm7,xmm4 - paddd xmm5,xmm1 ; xmm5=data0L - paddd xmm4,xmm3 ; xmm4=data0H - psubd xmm0,xmm1 ; xmm0=data7L - psubd xmm7,xmm3 ; xmm7=data7H - - movdqa xmm1,[rel PD_DESCALE_P2] ; xmm1=[rel PD_DESCALE_P2] - - paddd xmm5,xmm1 - paddd xmm4,xmm1 - psrad xmm5,DESCALE_P2 - psrad xmm4,DESCALE_P2 - paddd xmm0,xmm1 - paddd xmm7,xmm1 - psrad xmm0,DESCALE_P2 - psrad xmm7,DESCALE_P2 - - packssdw xmm5,xmm4 ; xmm5=data0=(00 10 20 30 40 50 60 70) - packssdw xmm0,xmm7 ; xmm0=data7=(07 17 27 37 47 57 67 77) - - movdqa xmm3, XMMWORD [wk(4)] ; xmm3=tmp11L - movdqa xmm1, XMMWORD [wk(5)] ; xmm1=tmp11H - - movdqa xmm4,xmm3 - movdqa xmm7,xmm1 - paddd xmm3,xmm2 ; xmm3=data1L - paddd xmm1,xmm6 ; xmm1=data1H - psubd xmm4,xmm2 ; xmm4=data6L - psubd xmm7,xmm6 ; xmm7=data6H - - movdqa xmm2,[rel PD_DESCALE_P2] ; xmm2=[rel PD_DESCALE_P2] - - paddd xmm3,xmm2 - paddd xmm1,xmm2 - psrad xmm3,DESCALE_P2 - psrad xmm1,DESCALE_P2 - paddd xmm4,xmm2 - paddd xmm7,xmm2 - psrad xmm4,DESCALE_P2 - psrad xmm7,DESCALE_P2 - - packssdw xmm3,xmm1 ; xmm3=data1=(01 11 21 31 41 51 61 71) - packssdw xmm4,xmm7 ; xmm4=data6=(06 16 26 36 46 56 66 76) - - packsswb xmm5,xmm4 ; xmm5=(00 10 20 30 40 50 60 70 06 16 26 36 46 56 66 76) - packsswb xmm3,xmm0 ; xmm3=(01 11 21 31 41 51 61 71 07 17 27 37 47 57 67 77) - - movdqa xmm6, XMMWORD [wk(6)] ; xmm6=tmp12L - movdqa xmm2, XMMWORD [wk(7)] ; xmm2=tmp12H - movdqa xmm1, XMMWORD [wk(10)] ; xmm1=tmp1L - movdqa xmm7, XMMWORD [wk(11)] ; xmm7=tmp1H - - movdqa XMMWORD [wk(0)], xmm5 ; wk(0)=(00 10 20 30 40 50 60 70 06 16 26 36 46 56 66 76) - movdqa XMMWORD [wk(1)], xmm3 ; wk(1)=(01 11 21 31 41 51 61 71 07 17 27 37 47 57 67 77) - - movdqa xmm4,xmm6 - movdqa xmm0,xmm2 - paddd xmm6,xmm1 ; xmm6=data2L - paddd xmm2,xmm7 ; xmm2=data2H - psubd xmm4,xmm1 ; xmm4=data5L - psubd xmm0,xmm7 ; xmm0=data5H - - movdqa xmm5,[rel PD_DESCALE_P2] ; xmm5=[rel PD_DESCALE_P2] - - paddd xmm6,xmm5 - paddd xmm2,xmm5 - psrad xmm6,DESCALE_P2 - psrad xmm2,DESCALE_P2 - paddd xmm4,xmm5 - paddd xmm0,xmm5 - psrad xmm4,DESCALE_P2 - psrad xmm0,DESCALE_P2 - - packssdw xmm6,xmm2 ; xmm6=data2=(02 12 22 32 42 52 62 72) - packssdw xmm4,xmm0 ; xmm4=data5=(05 15 25 35 45 55 65 75) - - movdqa xmm3, XMMWORD [wk(2)] ; xmm3=tmp13L - movdqa xmm1, XMMWORD [wk(3)] ; xmm1=tmp13H - movdqa xmm7, XMMWORD [wk(8)] ; xmm7=tmp0L - movdqa xmm5, XMMWORD [wk(9)] ; xmm5=tmp0H - - movdqa xmm2,xmm3 - movdqa xmm0,xmm1 - paddd xmm3,xmm7 ; xmm3=data3L - paddd xmm1,xmm5 ; xmm1=data3H - psubd xmm2,xmm7 ; xmm2=data4L - psubd xmm0,xmm5 ; xmm0=data4H - - movdqa xmm7,[rel PD_DESCALE_P2] ; xmm7=[rel PD_DESCALE_P2] - - paddd xmm3,xmm7 - paddd xmm1,xmm7 - psrad xmm3,DESCALE_P2 - psrad xmm1,DESCALE_P2 - paddd xmm2,xmm7 - paddd xmm0,xmm7 - psrad xmm2,DESCALE_P2 - psrad xmm0,DESCALE_P2 - - movdqa xmm5,[rel PB_CENTERJSAMP] ; xmm5=[rel PB_CENTERJSAMP] - - packssdw xmm3,xmm1 ; xmm3=data3=(03 13 23 33 43 53 63 73) - packssdw xmm2,xmm0 ; xmm2=data4=(04 14 24 34 44 54 64 74) - - movdqa xmm7, XMMWORD [wk(0)] ; xmm7=(00 10 20 30 40 50 60 70 06 16 26 36 46 56 66 76) - movdqa xmm1, XMMWORD [wk(1)] ; xmm1=(01 11 21 31 41 51 61 71 07 17 27 37 47 57 67 77) - - packsswb xmm6,xmm2 ; xmm6=(02 12 22 32 42 52 62 72 04 14 24 34 44 54 64 74) - packsswb xmm3,xmm4 ; xmm3=(03 13 23 33 43 53 63 73 05 15 25 35 45 55 65 75) - - paddb xmm7,xmm5 - paddb xmm1,xmm5 - paddb xmm6,xmm5 - paddb xmm3,xmm5 - - movdqa xmm0,xmm7 ; transpose coefficients(phase 1) - punpcklbw xmm7,xmm1 ; xmm7=(00 01 10 11 20 21 30 31 40 41 50 51 60 61 70 71) - punpckhbw xmm0,xmm1 ; xmm0=(06 07 16 17 26 27 36 37 46 47 56 57 66 67 76 77) - movdqa xmm2,xmm6 ; transpose coefficients(phase 1) - punpcklbw xmm6,xmm3 ; xmm6=(02 03 12 13 22 23 32 33 42 43 52 53 62 63 72 73) - punpckhbw xmm2,xmm3 ; xmm2=(04 05 14 15 24 25 34 35 44 45 54 55 64 65 74 75) - - movdqa xmm4,xmm7 ; transpose coefficients(phase 2) - punpcklwd xmm7,xmm6 ; xmm7=(00 01 02 03 10 11 12 13 20 21 22 23 30 31 32 33) - punpckhwd xmm4,xmm6 ; xmm4=(40 41 42 43 50 51 52 53 60 61 62 63 70 71 72 73) - movdqa xmm5,xmm2 ; transpose coefficients(phase 2) - punpcklwd xmm2,xmm0 ; xmm2=(04 05 06 07 14 15 16 17 24 25 26 27 34 35 36 37) - punpckhwd xmm5,xmm0 ; xmm5=(44 45 46 47 54 55 56 57 64 65 66 67 74 75 76 77) - - movdqa xmm1,xmm7 ; transpose coefficients(phase 3) - punpckldq xmm7,xmm2 ; xmm7=(00 01 02 03 04 05 06 07 10 11 12 13 14 15 16 17) - punpckhdq xmm1,xmm2 ; xmm1=(20 21 22 23 24 25 26 27 30 31 32 33 34 35 36 37) - movdqa xmm3,xmm4 ; transpose coefficients(phase 3) - punpckldq xmm4,xmm5 ; xmm4=(40 41 42 43 44 45 46 47 50 51 52 53 54 55 56 57) - punpckhdq xmm3,xmm5 ; xmm3=(60 61 62 63 64 65 66 67 70 71 72 73 74 75 76 77) - - pshufd xmm6,xmm7,0x4E ; xmm6=(10 11 12 13 14 15 16 17 00 01 02 03 04 05 06 07) - pshufd xmm0,xmm1,0x4E ; xmm0=(30 31 32 33 34 35 36 37 20 21 22 23 24 25 26 27) - pshufd xmm2,xmm4,0x4E ; xmm2=(50 51 52 53 54 55 56 57 40 41 42 43 44 45 46 47) - pshufd xmm5,xmm3,0x4E ; xmm5=(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], xmm7 - movq XMM_MMWORD [rsi+rax*SIZEOF_JSAMPLE], xmm1 - 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], xmm3 - - mov rdx, JSAMPROW [rdi+1*SIZEOF_JSAMPROW] - mov rsi, JSAMPROW [rdi+3*SIZEOF_JSAMPROW] - movq XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE], xmm6 - 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], xmm2 - movq XMM_MMWORD [rsi+rax*SIZEOF_JSAMPLE], xmm5 - - uncollect_args - mov rsp,rbp ; rsp <- aligned rbp - pop rsp ; rsp <- original rbp - pop rbp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 |