зеркало из https://github.com/mozilla/pjs.git
849 строки
27 KiB
NASM
849 строки
27 KiB
NASM
;
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; jiss2int-64.asm - accurate integer IDCT (64-bit SSE2)
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;
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; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
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; Copyright 2009 D. R. Commander
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;
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; Based on
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; x86 SIMD extension for IJG JPEG library
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; Copyright (C) 1999-2006, MIYASAKA Masaru.
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; For conditions of distribution and use, see copyright notice in jsimdext.inc
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;
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; This file should be assembled with NASM (Netwide Assembler),
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; can *not* be assembled with Microsoft's MASM or any compatible
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; assembler (including Borland's Turbo Assembler).
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; NASM is available from http://nasm.sourceforge.net/ or
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; http://sourceforge.net/project/showfiles.php?group_id=6208
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;
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; This file contains a slow-but-accurate integer implementation of the
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; inverse DCT (Discrete Cosine Transform). The following code is based
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; directly on the IJG's original jidctint.c; see the jidctint.c for
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; more details.
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;
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; [TAB8]
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%include "jsimdext.inc"
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%include "jdct.inc"
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; --------------------------------------------------------------------------
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%define CONST_BITS 13
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%define PASS1_BITS 2
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%define DESCALE_P1 (CONST_BITS-PASS1_BITS)
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%define DESCALE_P2 (CONST_BITS+PASS1_BITS+3)
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%if CONST_BITS == 13
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F_0_298 equ 2446 ; FIX(0.298631336)
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F_0_390 equ 3196 ; FIX(0.390180644)
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F_0_541 equ 4433 ; FIX(0.541196100)
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F_0_765 equ 6270 ; FIX(0.765366865)
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F_0_899 equ 7373 ; FIX(0.899976223)
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F_1_175 equ 9633 ; FIX(1.175875602)
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F_1_501 equ 12299 ; FIX(1.501321110)
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F_1_847 equ 15137 ; FIX(1.847759065)
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F_1_961 equ 16069 ; FIX(1.961570560)
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F_2_053 equ 16819 ; FIX(2.053119869)
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F_2_562 equ 20995 ; FIX(2.562915447)
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F_3_072 equ 25172 ; FIX(3.072711026)
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%else
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; NASM cannot do compile-time arithmetic on floating-point constants.
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%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n))
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F_0_298 equ DESCALE( 320652955,30-CONST_BITS) ; FIX(0.298631336)
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F_0_390 equ DESCALE( 418953276,30-CONST_BITS) ; FIX(0.390180644)
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F_0_541 equ DESCALE( 581104887,30-CONST_BITS) ; FIX(0.541196100)
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F_0_765 equ DESCALE( 821806413,30-CONST_BITS) ; FIX(0.765366865)
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F_0_899 equ DESCALE( 966342111,30-CONST_BITS) ; FIX(0.899976223)
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F_1_175 equ DESCALE(1262586813,30-CONST_BITS) ; FIX(1.175875602)
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F_1_501 equ DESCALE(1612031267,30-CONST_BITS) ; FIX(1.501321110)
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F_1_847 equ DESCALE(1984016188,30-CONST_BITS) ; FIX(1.847759065)
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F_1_961 equ DESCALE(2106220350,30-CONST_BITS) ; FIX(1.961570560)
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F_2_053 equ DESCALE(2204520673,30-CONST_BITS) ; FIX(2.053119869)
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F_2_562 equ DESCALE(2751909506,30-CONST_BITS) ; FIX(2.562915447)
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F_3_072 equ DESCALE(3299298341,30-CONST_BITS) ; FIX(3.072711026)
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%endif
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; --------------------------------------------------------------------------
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SECTION SEG_CONST
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alignz 16
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global EXTN(jconst_idct_islow_sse2)
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EXTN(jconst_idct_islow_sse2):
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PW_F130_F054 times 4 dw (F_0_541+F_0_765), F_0_541
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PW_F054_MF130 times 4 dw F_0_541, (F_0_541-F_1_847)
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PW_MF078_F117 times 4 dw (F_1_175-F_1_961), F_1_175
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PW_F117_F078 times 4 dw F_1_175, (F_1_175-F_0_390)
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PW_MF060_MF089 times 4 dw (F_0_298-F_0_899),-F_0_899
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PW_MF089_F060 times 4 dw -F_0_899, (F_1_501-F_0_899)
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PW_MF050_MF256 times 4 dw (F_2_053-F_2_562),-F_2_562
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PW_MF256_F050 times 4 dw -F_2_562, (F_3_072-F_2_562)
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PD_DESCALE_P1 times 4 dd 1 << (DESCALE_P1-1)
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PD_DESCALE_P2 times 4 dd 1 << (DESCALE_P2-1)
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PB_CENTERJSAMP times 16 db CENTERJSAMPLE
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alignz 16
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; --------------------------------------------------------------------------
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SECTION SEG_TEXT
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BITS 64
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;
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; Perform dequantization and inverse DCT on one block of coefficients.
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;
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; GLOBAL(void)
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; jsimd_idct_islow_sse2 (void * dct_table, JCOEFPTR coef_block,
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; JSAMPARRAY output_buf, JDIMENSION output_col)
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;
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; r10 = jpeg_component_info * compptr
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; r11 = JCOEFPTR coef_block
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; r12 = JSAMPARRAY output_buf
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; r13 = JDIMENSION output_col
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%define original_rbp rbp+0
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%define wk(i) rbp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM]
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%define WK_NUM 12
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align 16
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global EXTN(jsimd_idct_islow_sse2)
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EXTN(jsimd_idct_islow_sse2):
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push rbp
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mov rax,rsp ; rax = original rbp
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sub rsp, byte 4
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and rsp, byte (-SIZEOF_XMMWORD) ; align to 128 bits
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mov [rsp],rax
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mov rbp,rsp ; rbp = aligned rbp
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lea rsp, [wk(0)]
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collect_args
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; ---- Pass 1: process columns from input.
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mov rdx, r10 ; quantptr
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mov rsi, r11 ; inptr
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%ifndef NO_ZERO_COLUMN_TEST_ISLOW_SSE2
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mov eax, DWORD [DWBLOCK(1,0,rsi,SIZEOF_JCOEF)]
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or eax, DWORD [DWBLOCK(2,0,rsi,SIZEOF_JCOEF)]
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jnz near .columnDCT
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movdqa xmm0, XMMWORD [XMMBLOCK(1,0,rsi,SIZEOF_JCOEF)]
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movdqa xmm1, XMMWORD [XMMBLOCK(2,0,rsi,SIZEOF_JCOEF)]
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por xmm0, XMMWORD [XMMBLOCK(3,0,rsi,SIZEOF_JCOEF)]
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por xmm1, XMMWORD [XMMBLOCK(4,0,rsi,SIZEOF_JCOEF)]
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por xmm0, XMMWORD [XMMBLOCK(5,0,rsi,SIZEOF_JCOEF)]
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por xmm1, XMMWORD [XMMBLOCK(6,0,rsi,SIZEOF_JCOEF)]
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por xmm0, XMMWORD [XMMBLOCK(7,0,rsi,SIZEOF_JCOEF)]
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por xmm1,xmm0
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packsswb xmm1,xmm1
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packsswb xmm1,xmm1
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movd eax,xmm1
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test rax,rax
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jnz short .columnDCT
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; -- AC terms all zero
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movdqa xmm5, XMMWORD [XMMBLOCK(0,0,rsi,SIZEOF_JCOEF)]
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pmullw xmm5, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_ISLOW_MULT_TYPE)]
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psllw xmm5,PASS1_BITS
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movdqa xmm4,xmm5 ; xmm5=in0=(00 01 02 03 04 05 06 07)
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punpcklwd xmm5,xmm5 ; xmm5=(00 00 01 01 02 02 03 03)
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punpckhwd xmm4,xmm4 ; xmm4=(04 04 05 05 06 06 07 07)
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pshufd xmm7,xmm5,0x00 ; xmm7=col0=(00 00 00 00 00 00 00 00)
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pshufd xmm6,xmm5,0x55 ; xmm6=col1=(01 01 01 01 01 01 01 01)
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pshufd xmm1,xmm5,0xAA ; xmm1=col2=(02 02 02 02 02 02 02 02)
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pshufd xmm5,xmm5,0xFF ; xmm5=col3=(03 03 03 03 03 03 03 03)
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pshufd xmm0,xmm4,0x00 ; xmm0=col4=(04 04 04 04 04 04 04 04)
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pshufd xmm3,xmm4,0x55 ; xmm3=col5=(05 05 05 05 05 05 05 05)
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pshufd xmm2,xmm4,0xAA ; xmm2=col6=(06 06 06 06 06 06 06 06)
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pshufd xmm4,xmm4,0xFF ; xmm4=col7=(07 07 07 07 07 07 07 07)
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movdqa XMMWORD [wk(8)], xmm6 ; wk(8)=col1
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movdqa XMMWORD [wk(9)], xmm5 ; wk(9)=col3
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movdqa XMMWORD [wk(10)], xmm3 ; wk(10)=col5
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movdqa XMMWORD [wk(11)], xmm4 ; wk(11)=col7
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jmp near .column_end
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%endif
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.columnDCT:
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; -- Even part
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movdqa xmm0, XMMWORD [XMMBLOCK(0,0,rsi,SIZEOF_JCOEF)]
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movdqa xmm1, XMMWORD [XMMBLOCK(2,0,rsi,SIZEOF_JCOEF)]
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pmullw xmm0, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_ISLOW_MULT_TYPE)]
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pmullw xmm1, XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_ISLOW_MULT_TYPE)]
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movdqa xmm2, XMMWORD [XMMBLOCK(4,0,rsi,SIZEOF_JCOEF)]
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movdqa xmm3, XMMWORD [XMMBLOCK(6,0,rsi,SIZEOF_JCOEF)]
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pmullw xmm2, XMMWORD [XMMBLOCK(4,0,rdx,SIZEOF_ISLOW_MULT_TYPE)]
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pmullw xmm3, XMMWORD [XMMBLOCK(6,0,rdx,SIZEOF_ISLOW_MULT_TYPE)]
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; (Original)
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; z1 = (z2 + z3) * 0.541196100;
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; tmp2 = z1 + z3 * -1.847759065;
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; tmp3 = z1 + z2 * 0.765366865;
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;
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; (This implementation)
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; tmp2 = z2 * 0.541196100 + z3 * (0.541196100 - 1.847759065);
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; tmp3 = z2 * (0.541196100 + 0.765366865) + z3 * 0.541196100;
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movdqa xmm4,xmm1 ; xmm1=in2=z2
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movdqa xmm5,xmm1
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punpcklwd xmm4,xmm3 ; xmm3=in6=z3
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punpckhwd xmm5,xmm3
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movdqa xmm1,xmm4
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movdqa xmm3,xmm5
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pmaddwd xmm4,[rel PW_F130_F054] ; xmm4=tmp3L
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pmaddwd xmm5,[rel PW_F130_F054] ; xmm5=tmp3H
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pmaddwd xmm1,[rel PW_F054_MF130] ; xmm1=tmp2L
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pmaddwd xmm3,[rel PW_F054_MF130] ; xmm3=tmp2H
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movdqa xmm6,xmm0
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paddw xmm0,xmm2 ; xmm0=in0+in4
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psubw xmm6,xmm2 ; xmm6=in0-in4
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pxor xmm7,xmm7
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pxor xmm2,xmm2
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punpcklwd xmm7,xmm0 ; xmm7=tmp0L
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punpckhwd xmm2,xmm0 ; xmm2=tmp0H
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psrad xmm7,(16-CONST_BITS) ; psrad xmm7,16 & pslld xmm7,CONST_BITS
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psrad xmm2,(16-CONST_BITS) ; psrad xmm2,16 & pslld xmm2,CONST_BITS
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movdqa xmm0,xmm7
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paddd xmm7,xmm4 ; xmm7=tmp10L
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psubd xmm0,xmm4 ; xmm0=tmp13L
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movdqa xmm4,xmm2
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paddd xmm2,xmm5 ; xmm2=tmp10H
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psubd xmm4,xmm5 ; xmm4=tmp13H
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movdqa XMMWORD [wk(0)], xmm7 ; wk(0)=tmp10L
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movdqa XMMWORD [wk(1)], xmm2 ; wk(1)=tmp10H
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movdqa XMMWORD [wk(2)], xmm0 ; wk(2)=tmp13L
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movdqa XMMWORD [wk(3)], xmm4 ; wk(3)=tmp13H
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pxor xmm5,xmm5
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pxor xmm7,xmm7
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punpcklwd xmm5,xmm6 ; xmm5=tmp1L
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punpckhwd xmm7,xmm6 ; xmm7=tmp1H
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psrad xmm5,(16-CONST_BITS) ; psrad xmm5,16 & pslld xmm5,CONST_BITS
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psrad xmm7,(16-CONST_BITS) ; psrad xmm7,16 & pslld xmm7,CONST_BITS
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movdqa xmm2,xmm5
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paddd xmm5,xmm1 ; xmm5=tmp11L
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psubd xmm2,xmm1 ; xmm2=tmp12L
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movdqa xmm0,xmm7
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paddd xmm7,xmm3 ; xmm7=tmp11H
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psubd xmm0,xmm3 ; xmm0=tmp12H
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movdqa XMMWORD [wk(4)], xmm5 ; wk(4)=tmp11L
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movdqa XMMWORD [wk(5)], xmm7 ; wk(5)=tmp11H
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movdqa XMMWORD [wk(6)], xmm2 ; wk(6)=tmp12L
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movdqa XMMWORD [wk(7)], xmm0 ; wk(7)=tmp12H
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; -- Odd part
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movdqa xmm4, XMMWORD [XMMBLOCK(1,0,rsi,SIZEOF_JCOEF)]
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movdqa xmm6, XMMWORD [XMMBLOCK(3,0,rsi,SIZEOF_JCOEF)]
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pmullw xmm4, XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_ISLOW_MULT_TYPE)]
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pmullw xmm6, XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_ISLOW_MULT_TYPE)]
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movdqa xmm1, XMMWORD [XMMBLOCK(5,0,rsi,SIZEOF_JCOEF)]
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movdqa xmm3, XMMWORD [XMMBLOCK(7,0,rsi,SIZEOF_JCOEF)]
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pmullw xmm1, XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_ISLOW_MULT_TYPE)]
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pmullw xmm3, XMMWORD [XMMBLOCK(7,0,rdx,SIZEOF_ISLOW_MULT_TYPE)]
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movdqa xmm5,xmm6
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movdqa xmm7,xmm4
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paddw xmm5,xmm3 ; xmm5=z3
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paddw xmm7,xmm1 ; xmm7=z4
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; (Original)
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; z5 = (z3 + z4) * 1.175875602;
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; z3 = z3 * -1.961570560; z4 = z4 * -0.390180644;
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; z3 += z5; z4 += z5;
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;
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; (This implementation)
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; z3 = z3 * (1.175875602 - 1.961570560) + z4 * 1.175875602;
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; z4 = z3 * 1.175875602 + z4 * (1.175875602 - 0.390180644);
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movdqa xmm2,xmm5
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movdqa xmm0,xmm5
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punpcklwd xmm2,xmm7
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punpckhwd xmm0,xmm7
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movdqa xmm5,xmm2
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movdqa xmm7,xmm0
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pmaddwd xmm2,[rel PW_MF078_F117] ; xmm2=z3L
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pmaddwd xmm0,[rel PW_MF078_F117] ; xmm0=z3H
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pmaddwd xmm5,[rel PW_F117_F078] ; xmm5=z4L
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pmaddwd xmm7,[rel PW_F117_F078] ; xmm7=z4H
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movdqa XMMWORD [wk(10)], xmm2 ; wk(10)=z3L
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movdqa XMMWORD [wk(11)], xmm0 ; wk(11)=z3H
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; (Original)
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; z1 = tmp0 + tmp3; z2 = tmp1 + tmp2;
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; tmp0 = tmp0 * 0.298631336; tmp1 = tmp1 * 2.053119869;
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; tmp2 = tmp2 * 3.072711026; tmp3 = tmp3 * 1.501321110;
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; z1 = z1 * -0.899976223; z2 = z2 * -2.562915447;
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; tmp0 += z1 + z3; tmp1 += z2 + z4;
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; tmp2 += z2 + z3; tmp3 += z1 + z4;
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;
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; (This implementation)
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; tmp0 = tmp0 * (0.298631336 - 0.899976223) + tmp3 * -0.899976223;
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; tmp1 = tmp1 * (2.053119869 - 2.562915447) + tmp2 * -2.562915447;
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; tmp2 = tmp1 * -2.562915447 + tmp2 * (3.072711026 - 2.562915447);
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; tmp3 = tmp0 * -0.899976223 + tmp3 * (1.501321110 - 0.899976223);
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; tmp0 += z3; tmp1 += z4;
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; tmp2 += z3; tmp3 += z4;
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movdqa xmm2,xmm3
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movdqa xmm0,xmm3
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punpcklwd xmm2,xmm4
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punpckhwd xmm0,xmm4
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movdqa xmm3,xmm2
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movdqa xmm4,xmm0
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pmaddwd xmm2,[rel PW_MF060_MF089] ; xmm2=tmp0L
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pmaddwd xmm0,[rel PW_MF060_MF089] ; xmm0=tmp0H
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pmaddwd xmm3,[rel PW_MF089_F060] ; xmm3=tmp3L
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pmaddwd xmm4,[rel PW_MF089_F060] ; xmm4=tmp3H
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paddd xmm2, XMMWORD [wk(10)] ; xmm2=tmp0L
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paddd xmm0, XMMWORD [wk(11)] ; xmm0=tmp0H
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paddd xmm3,xmm5 ; xmm3=tmp3L
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paddd xmm4,xmm7 ; xmm4=tmp3H
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movdqa XMMWORD [wk(8)], xmm2 ; wk(8)=tmp0L
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movdqa XMMWORD [wk(9)], xmm0 ; wk(9)=tmp0H
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movdqa xmm2,xmm1
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movdqa xmm0,xmm1
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punpcklwd xmm2,xmm6
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punpckhwd xmm0,xmm6
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movdqa xmm1,xmm2
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movdqa xmm6,xmm0
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pmaddwd xmm2,[rel PW_MF050_MF256] ; xmm2=tmp1L
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pmaddwd xmm0,[rel PW_MF050_MF256] ; xmm0=tmp1H
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pmaddwd xmm1,[rel PW_MF256_F050] ; xmm1=tmp2L
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pmaddwd xmm6,[rel PW_MF256_F050] ; xmm6=tmp2H
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paddd xmm2,xmm5 ; xmm2=tmp1L
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paddd xmm0,xmm7 ; xmm0=tmp1H
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paddd xmm1, XMMWORD [wk(10)] ; xmm1=tmp2L
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paddd xmm6, XMMWORD [wk(11)] ; xmm6=tmp2H
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movdqa XMMWORD [wk(10)], xmm2 ; wk(10)=tmp1L
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movdqa XMMWORD [wk(11)], xmm0 ; wk(11)=tmp1H
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; -- Final output stage
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movdqa xmm5, XMMWORD [wk(0)] ; xmm5=tmp10L
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movdqa xmm7, XMMWORD [wk(1)] ; xmm7=tmp10H
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movdqa xmm2,xmm5
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movdqa xmm0,xmm7
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paddd xmm5,xmm3 ; xmm5=data0L
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paddd xmm7,xmm4 ; xmm7=data0H
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psubd xmm2,xmm3 ; xmm2=data7L
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psubd xmm0,xmm4 ; xmm0=data7H
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movdqa xmm3,[rel PD_DESCALE_P1] ; xmm3=[rel PD_DESCALE_P1]
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paddd xmm5,xmm3
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paddd xmm7,xmm3
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psrad xmm5,DESCALE_P1
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psrad xmm7,DESCALE_P1
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paddd xmm2,xmm3
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paddd xmm0,xmm3
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psrad xmm2,DESCALE_P1
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psrad xmm0,DESCALE_P1
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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 rax, r13
|
|
|
|
; -- 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
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movdqa xmm1, XMMWORD [wk(10)] ; xmm1=tmp1L
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movdqa xmm7, XMMWORD [wk(11)] ; xmm7=tmp1H
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movdqa XMMWORD [wk(0)], xmm5 ; wk(0)=(00 10 20 30 40 50 60 70 06 16 26 36 46 56 66 76)
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movdqa XMMWORD [wk(1)], xmm3 ; wk(1)=(01 11 21 31 41 51 61 71 07 17 27 37 47 57 67 77)
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movdqa xmm4,xmm6
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movdqa xmm0,xmm2
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paddd xmm6,xmm1 ; xmm6=data2L
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paddd xmm2,xmm7 ; xmm2=data2H
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psubd xmm4,xmm1 ; xmm4=data5L
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psubd xmm0,xmm7 ; xmm0=data5H
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movdqa xmm5,[rel PD_DESCALE_P2] ; xmm5=[rel PD_DESCALE_P2]
|
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|
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paddd xmm6,xmm5
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paddd xmm2,xmm5
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psrad xmm6,DESCALE_P2
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psrad xmm2,DESCALE_P2
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paddd xmm4,xmm5
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paddd xmm0,xmm5
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psrad xmm4,DESCALE_P2
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psrad xmm0,DESCALE_P2
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|
|
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packssdw xmm6,xmm2 ; xmm6=data2=(02 12 22 32 42 52 62 72)
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packssdw xmm4,xmm0 ; xmm4=data5=(05 15 25 35 45 55 65 75)
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|
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movdqa xmm3, XMMWORD [wk(2)] ; xmm3=tmp13L
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movdqa xmm1, XMMWORD [wk(3)] ; xmm1=tmp13H
|
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movdqa xmm7, XMMWORD [wk(8)] ; xmm7=tmp0L
|
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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
|
|
|
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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)
|
|
|
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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)
|
|
|
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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
|