diff options
Diffstat (limited to 'media/libjpeg/simd/jfdctfst-sse2-64.asm')
-rw-r--r-- | media/libjpeg/simd/jfdctfst-sse2-64.asm | 391 |
1 files changed, 391 insertions, 0 deletions
diff --git a/media/libjpeg/simd/jfdctfst-sse2-64.asm b/media/libjpeg/simd/jfdctfst-sse2-64.asm new file mode 100644 index 000000000..4c9668542 --- /dev/null +++ b/media/libjpeg/simd/jfdctfst-sse2-64.asm @@ -0,0 +1,391 @@ +; +; jfdctfst.asm - fast integer FDCT (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 forward DCT (Discrete Cosine Transform). The following code is +; based directly on the IJG's original jfdctfst.c; see the jfdctfst.c +; for more details. +; +; [TAB8] + +%include "jsimdext.inc" +%include "jdct.inc" + +; -------------------------------------------------------------------------- + +%define CONST_BITS 8 ; 14 is also OK. + +%if CONST_BITS == 8 +F_0_382 equ 98 ; FIX(0.382683433) +F_0_541 equ 139 ; FIX(0.541196100) +F_0_707 equ 181 ; FIX(0.707106781) +F_1_306 equ 334 ; FIX(1.306562965) +%else +; NASM cannot do compile-time arithmetic on floating-point constants. +%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n)) +F_0_382 equ DESCALE( 410903207,30-CONST_BITS) ; FIX(0.382683433) +F_0_541 equ DESCALE( 581104887,30-CONST_BITS) ; FIX(0.541196100) +F_0_707 equ DESCALE( 759250124,30-CONST_BITS) ; FIX(0.707106781) +F_1_306 equ DESCALE(1402911301,30-CONST_BITS) ; FIX(1.306562965) +%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_fdct_ifast_sse2) + +EXTN(jconst_fdct_ifast_sse2): + +PW_F0707 times 8 dw F_0_707 << CONST_SHIFT +PW_F0382 times 8 dw F_0_382 << CONST_SHIFT +PW_F0541 times 8 dw F_0_541 << CONST_SHIFT +PW_F1306 times 8 dw F_1_306 << CONST_SHIFT + + alignz 16 + +; -------------------------------------------------------------------------- + SECTION SEG_TEXT + BITS 64 +; +; Perform the forward DCT on one block of samples. +; +; GLOBAL(void) +; jsimd_fdct_ifast_sse2 (DCTELEM *data) +; + +; r10 = DCTELEM *data + +%define wk(i) rbp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] +%define WK_NUM 2 + + align 16 + global EXTN(jsimd_fdct_ifast_sse2) + +EXTN(jsimd_fdct_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 rows. + + mov rdx, r10 ; (DCTELEM *) + + movdqa xmm0, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_DCTELEM)] + movdqa xmm1, XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_DCTELEM)] + movdqa xmm2, XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_DCTELEM)] + movdqa xmm3, XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_DCTELEM)] + + ; xmm0=(00 01 02 03 04 05 06 07), xmm2=(20 21 22 23 24 25 26 27) + ; xmm1=(10 11 12 13 14 15 16 17), xmm3=(30 31 32 33 34 35 36 37) + + movdqa xmm4,xmm0 ; transpose coefficients(phase 1) + punpcklwd xmm0,xmm1 ; xmm0=(00 10 01 11 02 12 03 13) + punpckhwd xmm4,xmm1 ; xmm4=(04 14 05 15 06 16 07 17) + movdqa xmm5,xmm2 ; transpose coefficients(phase 1) + punpcklwd xmm2,xmm3 ; xmm2=(20 30 21 31 22 32 23 33) + punpckhwd xmm5,xmm3 ; xmm5=(24 34 25 35 26 36 27 37) + + movdqa xmm6, XMMWORD [XMMBLOCK(4,0,rdx,SIZEOF_DCTELEM)] + movdqa xmm7, XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_DCTELEM)] + movdqa xmm1, XMMWORD [XMMBLOCK(6,0,rdx,SIZEOF_DCTELEM)] + movdqa xmm3, XMMWORD [XMMBLOCK(7,0,rdx,SIZEOF_DCTELEM)] + + ; xmm6=( 4 12 20 28 36 44 52 60), xmm1=( 6 14 22 30 38 46 54 62) + ; xmm7=( 5 13 21 29 37 45 53 61), xmm3=( 7 15 23 31 39 47 55 63) + + movdqa XMMWORD [wk(0)], xmm2 ; wk(0)=(20 30 21 31 22 32 23 33) + movdqa XMMWORD [wk(1)], xmm5 ; wk(1)=(24 34 25 35 26 36 27 37) + + movdqa xmm2,xmm6 ; transpose coefficients(phase 1) + punpcklwd xmm6,xmm7 ; xmm6=(40 50 41 51 42 52 43 53) + punpckhwd xmm2,xmm7 ; xmm2=(44 54 45 55 46 56 47 57) + movdqa xmm5,xmm1 ; transpose coefficients(phase 1) + punpcklwd xmm1,xmm3 ; xmm1=(60 70 61 71 62 72 63 73) + punpckhwd xmm5,xmm3 ; xmm5=(64 74 65 75 66 76 67 77) + + movdqa xmm7,xmm6 ; transpose coefficients(phase 2) + punpckldq xmm6,xmm1 ; xmm6=(40 50 60 70 41 51 61 71) + punpckhdq xmm7,xmm1 ; xmm7=(42 52 62 72 43 53 63 73) + movdqa xmm3,xmm2 ; transpose coefficients(phase 2) + punpckldq xmm2,xmm5 ; xmm2=(44 54 64 74 45 55 65 75) + punpckhdq xmm3,xmm5 ; xmm3=(46 56 66 76 47 57 67 77) + + movdqa xmm1, XMMWORD [wk(0)] ; xmm1=(20 30 21 31 22 32 23 33) + movdqa xmm5, XMMWORD [wk(1)] ; xmm5=(24 34 25 35 26 36 27 37) + movdqa XMMWORD [wk(0)], xmm7 ; wk(0)=(42 52 62 72 43 53 63 73) + movdqa XMMWORD [wk(1)], xmm2 ; wk(1)=(44 54 64 74 45 55 65 75) + + movdqa xmm7,xmm0 ; transpose coefficients(phase 2) + punpckldq xmm0,xmm1 ; xmm0=(00 10 20 30 01 11 21 31) + punpckhdq xmm7,xmm1 ; xmm7=(02 12 22 32 03 13 23 33) + movdqa xmm2,xmm4 ; transpose coefficients(phase 2) + punpckldq xmm4,xmm5 ; xmm4=(04 14 24 34 05 15 25 35) + punpckhdq xmm2,xmm5 ; xmm2=(06 16 26 36 07 17 27 37) + + movdqa xmm1,xmm0 ; transpose coefficients(phase 3) + punpcklqdq xmm0,xmm6 ; xmm0=(00 10 20 30 40 50 60 70)=data0 + punpckhqdq xmm1,xmm6 ; xmm1=(01 11 21 31 41 51 61 71)=data1 + movdqa xmm5,xmm2 ; transpose coefficients(phase 3) + punpcklqdq xmm2,xmm3 ; xmm2=(06 16 26 36 46 56 66 76)=data6 + punpckhqdq xmm5,xmm3 ; xmm5=(07 17 27 37 47 57 67 77)=data7 + + movdqa xmm6,xmm1 + movdqa xmm3,xmm0 + psubw xmm1,xmm2 ; xmm1=data1-data6=tmp6 + psubw xmm0,xmm5 ; xmm0=data0-data7=tmp7 + paddw xmm6,xmm2 ; xmm6=data1+data6=tmp1 + paddw xmm3,xmm5 ; xmm3=data0+data7=tmp0 + + movdqa xmm2, XMMWORD [wk(0)] ; xmm2=(42 52 62 72 43 53 63 73) + movdqa xmm5, XMMWORD [wk(1)] ; xmm5=(44 54 64 74 45 55 65 75) + movdqa XMMWORD [wk(0)], xmm1 ; wk(0)=tmp6 + movdqa XMMWORD [wk(1)], xmm0 ; wk(1)=tmp7 + + movdqa xmm1,xmm7 ; transpose coefficients(phase 3) + punpcklqdq xmm7,xmm2 ; xmm7=(02 12 22 32 42 52 62 72)=data2 + punpckhqdq xmm1,xmm2 ; xmm1=(03 13 23 33 43 53 63 73)=data3 + movdqa xmm0,xmm4 ; transpose coefficients(phase 3) + punpcklqdq xmm4,xmm5 ; xmm4=(04 14 24 34 44 54 64 74)=data4 + punpckhqdq xmm0,xmm5 ; xmm0=(05 15 25 35 45 55 65 75)=data5 + + movdqa xmm2,xmm1 + movdqa xmm5,xmm7 + paddw xmm1,xmm4 ; xmm1=data3+data4=tmp3 + paddw xmm7,xmm0 ; xmm7=data2+data5=tmp2 + psubw xmm2,xmm4 ; xmm2=data3-data4=tmp4 + psubw xmm5,xmm0 ; xmm5=data2-data5=tmp5 + + ; -- Even part + + movdqa xmm4,xmm3 + movdqa xmm0,xmm6 + psubw xmm3,xmm1 ; xmm3=tmp13 + psubw xmm6,xmm7 ; xmm6=tmp12 + paddw xmm4,xmm1 ; xmm4=tmp10 + paddw xmm0,xmm7 ; xmm0=tmp11 + + paddw xmm6,xmm3 + psllw xmm6,PRE_MULTIPLY_SCALE_BITS + pmulhw xmm6,[rel PW_F0707] ; xmm6=z1 + + movdqa xmm1,xmm4 + movdqa xmm7,xmm3 + psubw xmm4,xmm0 ; xmm4=data4 + psubw xmm3,xmm6 ; xmm3=data6 + paddw xmm1,xmm0 ; xmm1=data0 + paddw xmm7,xmm6 ; xmm7=data2 + + movdqa xmm0, XMMWORD [wk(0)] ; xmm0=tmp6 + movdqa xmm6, XMMWORD [wk(1)] ; xmm6=tmp7 + movdqa XMMWORD [wk(0)], xmm4 ; wk(0)=data4 + movdqa XMMWORD [wk(1)], xmm3 ; wk(1)=data6 + + ; -- Odd part + + paddw xmm2,xmm5 ; xmm2=tmp10 + paddw xmm5,xmm0 ; xmm5=tmp11 + paddw xmm0,xmm6 ; xmm0=tmp12, xmm6=tmp7 + + psllw xmm2,PRE_MULTIPLY_SCALE_BITS + psllw xmm0,PRE_MULTIPLY_SCALE_BITS + + psllw xmm5,PRE_MULTIPLY_SCALE_BITS + pmulhw xmm5,[rel PW_F0707] ; xmm5=z3 + + movdqa xmm4,xmm2 ; xmm4=tmp10 + psubw xmm2,xmm0 + pmulhw xmm2,[rel PW_F0382] ; xmm2=z5 + pmulhw xmm4,[rel PW_F0541] ; xmm4=MULTIPLY(tmp10,FIX_0_541196) + pmulhw xmm0,[rel PW_F1306] ; xmm0=MULTIPLY(tmp12,FIX_1_306562) + paddw xmm4,xmm2 ; xmm4=z2 + paddw xmm0,xmm2 ; xmm0=z4 + + movdqa xmm3,xmm6 + psubw xmm6,xmm5 ; xmm6=z13 + paddw xmm3,xmm5 ; xmm3=z11 + + movdqa xmm2,xmm6 + movdqa xmm5,xmm3 + psubw xmm6,xmm4 ; xmm6=data3 + psubw xmm3,xmm0 ; xmm3=data7 + paddw xmm2,xmm4 ; xmm2=data5 + paddw xmm5,xmm0 ; xmm5=data1 + + ; ---- Pass 2: process columns. + + ; xmm1=(00 10 20 30 40 50 60 70), xmm7=(02 12 22 32 42 52 62 72) + ; xmm5=(01 11 21 31 41 51 61 71), xmm6=(03 13 23 33 43 53 63 73) + + movdqa xmm4,xmm1 ; transpose coefficients(phase 1) + punpcklwd xmm1,xmm5 ; xmm1=(00 01 10 11 20 21 30 31) + punpckhwd xmm4,xmm5 ; xmm4=(40 41 50 51 60 61 70 71) + movdqa xmm0,xmm7 ; transpose coefficients(phase 1) + punpcklwd xmm7,xmm6 ; xmm7=(02 03 12 13 22 23 32 33) + punpckhwd xmm0,xmm6 ; xmm0=(42 43 52 53 62 63 72 73) + + movdqa xmm5, XMMWORD [wk(0)] ; xmm5=col4 + movdqa xmm6, XMMWORD [wk(1)] ; xmm6=col6 + + ; xmm5=(04 14 24 34 44 54 64 74), xmm6=(06 16 26 36 46 56 66 76) + ; xmm2=(05 15 25 35 45 55 65 75), xmm3=(07 17 27 37 47 57 67 77) + + movdqa XMMWORD [wk(0)], xmm7 ; wk(0)=(02 03 12 13 22 23 32 33) + movdqa XMMWORD [wk(1)], xmm0 ; wk(1)=(42 43 52 53 62 63 72 73) + + movdqa xmm7,xmm5 ; transpose coefficients(phase 1) + punpcklwd xmm5,xmm2 ; xmm5=(04 05 14 15 24 25 34 35) + punpckhwd xmm7,xmm2 ; xmm7=(44 45 54 55 64 65 74 75) + movdqa xmm0,xmm6 ; transpose coefficients(phase 1) + punpcklwd xmm6,xmm3 ; xmm6=(06 07 16 17 26 27 36 37) + punpckhwd xmm0,xmm3 ; xmm0=(46 47 56 57 66 67 76 77) + + movdqa xmm2,xmm5 ; transpose coefficients(phase 2) + punpckldq xmm5,xmm6 ; xmm5=(04 05 06 07 14 15 16 17) + punpckhdq xmm2,xmm6 ; xmm2=(24 25 26 27 34 35 36 37) + movdqa xmm3,xmm7 ; transpose coefficients(phase 2) + punpckldq xmm7,xmm0 ; xmm7=(44 45 46 47 54 55 56 57) + punpckhdq xmm3,xmm0 ; xmm3=(64 65 66 67 74 75 76 77) + + movdqa xmm6, XMMWORD [wk(0)] ; xmm6=(02 03 12 13 22 23 32 33) + movdqa xmm0, XMMWORD [wk(1)] ; xmm0=(42 43 52 53 62 63 72 73) + movdqa XMMWORD [wk(0)], xmm2 ; wk(0)=(24 25 26 27 34 35 36 37) + movdqa XMMWORD [wk(1)], xmm7 ; wk(1)=(44 45 46 47 54 55 56 57) + + movdqa xmm2,xmm1 ; transpose coefficients(phase 2) + punpckldq xmm1,xmm6 ; xmm1=(00 01 02 03 10 11 12 13) + punpckhdq xmm2,xmm6 ; xmm2=(20 21 22 23 30 31 32 33) + movdqa xmm7,xmm4 ; transpose coefficients(phase 2) + punpckldq xmm4,xmm0 ; xmm4=(40 41 42 43 50 51 52 53) + punpckhdq xmm7,xmm0 ; xmm7=(60 61 62 63 70 71 72 73) + + movdqa xmm6,xmm1 ; transpose coefficients(phase 3) + punpcklqdq xmm1,xmm5 ; xmm1=(00 01 02 03 04 05 06 07)=data0 + punpckhqdq xmm6,xmm5 ; xmm6=(10 11 12 13 14 15 16 17)=data1 + movdqa xmm0,xmm7 ; transpose coefficients(phase 3) + punpcklqdq xmm7,xmm3 ; xmm7=(60 61 62 63 64 65 66 67)=data6 + punpckhqdq xmm0,xmm3 ; xmm0=(70 71 72 73 74 75 76 77)=data7 + + movdqa xmm5,xmm6 + movdqa xmm3,xmm1 + psubw xmm6,xmm7 ; xmm6=data1-data6=tmp6 + psubw xmm1,xmm0 ; xmm1=data0-data7=tmp7 + paddw xmm5,xmm7 ; xmm5=data1+data6=tmp1 + paddw xmm3,xmm0 ; xmm3=data0+data7=tmp0 + + movdqa xmm7, XMMWORD [wk(0)] ; xmm7=(24 25 26 27 34 35 36 37) + movdqa xmm0, XMMWORD [wk(1)] ; xmm0=(44 45 46 47 54 55 56 57) + movdqa XMMWORD [wk(0)], xmm6 ; wk(0)=tmp6 + movdqa XMMWORD [wk(1)], xmm1 ; wk(1)=tmp7 + + movdqa xmm6,xmm2 ; transpose coefficients(phase 3) + punpcklqdq xmm2,xmm7 ; xmm2=(20 21 22 23 24 25 26 27)=data2 + punpckhqdq xmm6,xmm7 ; xmm6=(30 31 32 33 34 35 36 37)=data3 + movdqa xmm1,xmm4 ; transpose coefficients(phase 3) + punpcklqdq xmm4,xmm0 ; xmm4=(40 41 42 43 44 45 46 47)=data4 + punpckhqdq xmm1,xmm0 ; xmm1=(50 51 52 53 54 55 56 57)=data5 + + movdqa xmm7,xmm6 + movdqa xmm0,xmm2 + paddw xmm6,xmm4 ; xmm6=data3+data4=tmp3 + paddw xmm2,xmm1 ; xmm2=data2+data5=tmp2 + psubw xmm7,xmm4 ; xmm7=data3-data4=tmp4 + psubw xmm0,xmm1 ; xmm0=data2-data5=tmp5 + + ; -- Even part + + movdqa xmm4,xmm3 + movdqa xmm1,xmm5 + psubw xmm3,xmm6 ; xmm3=tmp13 + psubw xmm5,xmm2 ; xmm5=tmp12 + paddw xmm4,xmm6 ; xmm4=tmp10 + paddw xmm1,xmm2 ; xmm1=tmp11 + + paddw xmm5,xmm3 + psllw xmm5,PRE_MULTIPLY_SCALE_BITS + pmulhw xmm5,[rel PW_F0707] ; xmm5=z1 + + movdqa xmm6,xmm4 + movdqa xmm2,xmm3 + psubw xmm4,xmm1 ; xmm4=data4 + psubw xmm3,xmm5 ; xmm3=data6 + paddw xmm6,xmm1 ; xmm6=data0 + paddw xmm2,xmm5 ; xmm2=data2 + + movdqa XMMWORD [XMMBLOCK(4,0,rdx,SIZEOF_DCTELEM)], xmm4 + movdqa XMMWORD [XMMBLOCK(6,0,rdx,SIZEOF_DCTELEM)], xmm3 + movdqa XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_DCTELEM)], xmm6 + movdqa XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_DCTELEM)], xmm2 + + ; -- Odd part + + movdqa xmm1, XMMWORD [wk(0)] ; xmm1=tmp6 + movdqa xmm5, XMMWORD [wk(1)] ; xmm5=tmp7 + + paddw xmm7,xmm0 ; xmm7=tmp10 + paddw xmm0,xmm1 ; xmm0=tmp11 + paddw xmm1,xmm5 ; xmm1=tmp12, xmm5=tmp7 + + psllw xmm7,PRE_MULTIPLY_SCALE_BITS + psllw xmm1,PRE_MULTIPLY_SCALE_BITS + + psllw xmm0,PRE_MULTIPLY_SCALE_BITS + pmulhw xmm0,[rel PW_F0707] ; xmm0=z3 + + movdqa xmm4,xmm7 ; xmm4=tmp10 + psubw xmm7,xmm1 + pmulhw xmm7,[rel PW_F0382] ; xmm7=z5 + pmulhw xmm4,[rel PW_F0541] ; xmm4=MULTIPLY(tmp10,FIX_0_541196) + pmulhw xmm1,[rel PW_F1306] ; xmm1=MULTIPLY(tmp12,FIX_1_306562) + paddw xmm4,xmm7 ; xmm4=z2 + paddw xmm1,xmm7 ; xmm1=z4 + + movdqa xmm3,xmm5 + psubw xmm5,xmm0 ; xmm5=z13 + paddw xmm3,xmm0 ; xmm3=z11 + + movdqa xmm6,xmm5 + movdqa xmm2,xmm3 + psubw xmm5,xmm4 ; xmm5=data3 + psubw xmm3,xmm1 ; xmm3=data7 + paddw xmm6,xmm4 ; xmm6=data5 + paddw xmm2,xmm1 ; xmm2=data1 + + movdqa XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_DCTELEM)], xmm5 + movdqa XMMWORD [XMMBLOCK(7,0,rdx,SIZEOF_DCTELEM)], xmm3 + movdqa XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_DCTELEM)], xmm6 + movdqa XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_DCTELEM)], xmm2 + + 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 |