diff options
Diffstat (limited to 'media/libjpeg/simd/jfdctflt-sse-64.asm')
-rw-r--r-- | media/libjpeg/simd/jfdctflt-sse-64.asm | 357 |
1 files changed, 357 insertions, 0 deletions
diff --git a/media/libjpeg/simd/jfdctflt-sse-64.asm b/media/libjpeg/simd/jfdctflt-sse-64.asm new file mode 100644 index 000000000..4b64ea4bb --- /dev/null +++ b/media/libjpeg/simd/jfdctflt-sse-64.asm @@ -0,0 +1,357 @@ +; +; jfdctflt.asm - floating-point FDCT (64-bit SSE) +; +; 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 floating-point implementation of the forward DCT +; (Discrete Cosine Transform). The following code is based directly on +; the IJG's original jfdctflt.c; see the jfdctflt.c for more details. +; +; [TAB8] + +%include "jsimdext.inc" +%include "jdct.inc" + +; -------------------------------------------------------------------------- + +%macro unpcklps2 2 ; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(0 1 4 5) + shufps %1,%2,0x44 +%endmacro + +%macro unpckhps2 2 ; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(2 3 6 7) + shufps %1,%2,0xEE +%endmacro + +; -------------------------------------------------------------------------- + SECTION SEG_CONST + + alignz 16 + global EXTN(jconst_fdct_float_sse) + +EXTN(jconst_fdct_float_sse): + +PD_0_382 times 4 dd 0.382683432365089771728460 +PD_0_707 times 4 dd 0.707106781186547524400844 +PD_0_541 times 4 dd 0.541196100146196984399723 +PD_1_306 times 4 dd 1.306562964876376527856643 + + alignz 16 + +; -------------------------------------------------------------------------- + SECTION SEG_TEXT + BITS 64 +; +; Perform the forward DCT on one block of samples. +; +; GLOBAL(void) +; jsimd_fdct_float_sse (FAST_FLOAT *data) +; + +; r10 = FAST_FLOAT *data + +%define wk(i) rbp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] +%define WK_NUM 2 + + align 16 + global EXTN(jsimd_fdct_float_sse) + +EXTN(jsimd_fdct_float_sse): + 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 ; (FAST_FLOAT *) + mov rcx, DCTSIZE/4 +.rowloop: + + movaps xmm0, XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_FAST_FLOAT)] + movaps xmm1, XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_FAST_FLOAT)] + movaps xmm2, XMMWORD [XMMBLOCK(2,1,rdx,SIZEOF_FAST_FLOAT)] + movaps xmm3, XMMWORD [XMMBLOCK(3,1,rdx,SIZEOF_FAST_FLOAT)] + + ; xmm0=(20 21 22 23), xmm2=(24 25 26 27) + ; xmm1=(30 31 32 33), xmm3=(34 35 36 37) + + movaps xmm4,xmm0 ; transpose coefficients(phase 1) + unpcklps xmm0,xmm1 ; xmm0=(20 30 21 31) + unpckhps xmm4,xmm1 ; xmm4=(22 32 23 33) + movaps xmm5,xmm2 ; transpose coefficients(phase 1) + unpcklps xmm2,xmm3 ; xmm2=(24 34 25 35) + unpckhps xmm5,xmm3 ; xmm5=(26 36 27 37) + + movaps xmm6, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_FAST_FLOAT)] + movaps xmm7, XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_FAST_FLOAT)] + movaps xmm1, XMMWORD [XMMBLOCK(0,1,rdx,SIZEOF_FAST_FLOAT)] + movaps xmm3, XMMWORD [XMMBLOCK(1,1,rdx,SIZEOF_FAST_FLOAT)] + + ; xmm6=(00 01 02 03), xmm1=(04 05 06 07) + ; xmm7=(10 11 12 13), xmm3=(14 15 16 17) + + movaps XMMWORD [wk(0)], xmm4 ; wk(0)=(22 32 23 33) + movaps XMMWORD [wk(1)], xmm2 ; wk(1)=(24 34 25 35) + + movaps xmm4,xmm6 ; transpose coefficients(phase 1) + unpcklps xmm6,xmm7 ; xmm6=(00 10 01 11) + unpckhps xmm4,xmm7 ; xmm4=(02 12 03 13) + movaps xmm2,xmm1 ; transpose coefficients(phase 1) + unpcklps xmm1,xmm3 ; xmm1=(04 14 05 15) + unpckhps xmm2,xmm3 ; xmm2=(06 16 07 17) + + movaps xmm7,xmm6 ; transpose coefficients(phase 2) + unpcklps2 xmm6,xmm0 ; xmm6=(00 10 20 30)=data0 + unpckhps2 xmm7,xmm0 ; xmm7=(01 11 21 31)=data1 + movaps xmm3,xmm2 ; transpose coefficients(phase 2) + unpcklps2 xmm2,xmm5 ; xmm2=(06 16 26 36)=data6 + unpckhps2 xmm3,xmm5 ; xmm3=(07 17 27 37)=data7 + + movaps xmm0,xmm7 + movaps xmm5,xmm6 + subps xmm7,xmm2 ; xmm7=data1-data6=tmp6 + subps xmm6,xmm3 ; xmm6=data0-data7=tmp7 + addps xmm0,xmm2 ; xmm0=data1+data6=tmp1 + addps xmm5,xmm3 ; xmm5=data0+data7=tmp0 + + movaps xmm2, XMMWORD [wk(0)] ; xmm2=(22 32 23 33) + movaps xmm3, XMMWORD [wk(1)] ; xmm3=(24 34 25 35) + movaps XMMWORD [wk(0)], xmm7 ; wk(0)=tmp6 + movaps XMMWORD [wk(1)], xmm6 ; wk(1)=tmp7 + + movaps xmm7,xmm4 ; transpose coefficients(phase 2) + unpcklps2 xmm4,xmm2 ; xmm4=(02 12 22 32)=data2 + unpckhps2 xmm7,xmm2 ; xmm7=(03 13 23 33)=data3 + movaps xmm6,xmm1 ; transpose coefficients(phase 2) + unpcklps2 xmm1,xmm3 ; xmm1=(04 14 24 34)=data4 + unpckhps2 xmm6,xmm3 ; xmm6=(05 15 25 35)=data5 + + movaps xmm2,xmm7 + movaps xmm3,xmm4 + addps xmm7,xmm1 ; xmm7=data3+data4=tmp3 + addps xmm4,xmm6 ; xmm4=data2+data5=tmp2 + subps xmm2,xmm1 ; xmm2=data3-data4=tmp4 + subps xmm3,xmm6 ; xmm3=data2-data5=tmp5 + + ; -- Even part + + movaps xmm1,xmm5 + movaps xmm6,xmm0 + subps xmm5,xmm7 ; xmm5=tmp13 + subps xmm0,xmm4 ; xmm0=tmp12 + addps xmm1,xmm7 ; xmm1=tmp10 + addps xmm6,xmm4 ; xmm6=tmp11 + + addps xmm0,xmm5 + mulps xmm0,[rel PD_0_707] ; xmm0=z1 + + movaps xmm7,xmm1 + movaps xmm4,xmm5 + subps xmm1,xmm6 ; xmm1=data4 + subps xmm5,xmm0 ; xmm5=data6 + addps xmm7,xmm6 ; xmm7=data0 + addps xmm4,xmm0 ; xmm4=data2 + + movaps XMMWORD [XMMBLOCK(0,1,rdx,SIZEOF_FAST_FLOAT)], xmm1 + movaps XMMWORD [XMMBLOCK(2,1,rdx,SIZEOF_FAST_FLOAT)], xmm5 + movaps XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_FAST_FLOAT)], xmm7 + movaps XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_FAST_FLOAT)], xmm4 + + ; -- Odd part + + movaps xmm6, XMMWORD [wk(0)] ; xmm6=tmp6 + movaps xmm0, XMMWORD [wk(1)] ; xmm0=tmp7 + + addps xmm2,xmm3 ; xmm2=tmp10 + addps xmm3,xmm6 ; xmm3=tmp11 + addps xmm6,xmm0 ; xmm6=tmp12, xmm0=tmp7 + + mulps xmm3,[rel PD_0_707] ; xmm3=z3 + + movaps xmm1,xmm2 ; xmm1=tmp10 + subps xmm2,xmm6 + mulps xmm2,[rel PD_0_382] ; xmm2=z5 + mulps xmm1,[rel PD_0_541] ; xmm1=MULTIPLY(tmp10,FIX_0_541196) + mulps xmm6,[rel PD_1_306] ; xmm6=MULTIPLY(tmp12,FIX_1_306562) + addps xmm1,xmm2 ; xmm1=z2 + addps xmm6,xmm2 ; xmm6=z4 + + movaps xmm5,xmm0 + subps xmm0,xmm3 ; xmm0=z13 + addps xmm5,xmm3 ; xmm5=z11 + + movaps xmm7,xmm0 + movaps xmm4,xmm5 + subps xmm0,xmm1 ; xmm0=data3 + subps xmm5,xmm6 ; xmm5=data7 + addps xmm7,xmm1 ; xmm7=data5 + addps xmm4,xmm6 ; xmm4=data1 + + movaps XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_FAST_FLOAT)], xmm0 + movaps XMMWORD [XMMBLOCK(3,1,rdx,SIZEOF_FAST_FLOAT)], xmm5 + movaps XMMWORD [XMMBLOCK(1,1,rdx,SIZEOF_FAST_FLOAT)], xmm7 + movaps XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_FAST_FLOAT)], xmm4 + + add rdx, 4*DCTSIZE*SIZEOF_FAST_FLOAT + dec rcx + jnz near .rowloop + + ; ---- Pass 2: process columns. + + mov rdx, r10 ; (FAST_FLOAT *) + mov rcx, DCTSIZE/4 +.columnloop: + + movaps xmm0, XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_FAST_FLOAT)] + movaps xmm1, XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_FAST_FLOAT)] + movaps xmm2, XMMWORD [XMMBLOCK(6,0,rdx,SIZEOF_FAST_FLOAT)] + movaps xmm3, XMMWORD [XMMBLOCK(7,0,rdx,SIZEOF_FAST_FLOAT)] + + ; xmm0=(02 12 22 32), xmm2=(42 52 62 72) + ; xmm1=(03 13 23 33), xmm3=(43 53 63 73) + + movaps xmm4,xmm0 ; transpose coefficients(phase 1) + unpcklps xmm0,xmm1 ; xmm0=(02 03 12 13) + unpckhps xmm4,xmm1 ; xmm4=(22 23 32 33) + movaps xmm5,xmm2 ; transpose coefficients(phase 1) + unpcklps xmm2,xmm3 ; xmm2=(42 43 52 53) + unpckhps xmm5,xmm3 ; xmm5=(62 63 72 73) + + movaps xmm6, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_FAST_FLOAT)] + movaps xmm7, XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_FAST_FLOAT)] + movaps xmm1, XMMWORD [XMMBLOCK(4,0,rdx,SIZEOF_FAST_FLOAT)] + movaps xmm3, XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_FAST_FLOAT)] + + ; xmm6=(00 10 20 30), xmm1=(40 50 60 70) + ; xmm7=(01 11 21 31), xmm3=(41 51 61 71) + + movaps XMMWORD [wk(0)], xmm4 ; wk(0)=(22 23 32 33) + movaps XMMWORD [wk(1)], xmm2 ; wk(1)=(42 43 52 53) + + movaps xmm4,xmm6 ; transpose coefficients(phase 1) + unpcklps xmm6,xmm7 ; xmm6=(00 01 10 11) + unpckhps xmm4,xmm7 ; xmm4=(20 21 30 31) + movaps xmm2,xmm1 ; transpose coefficients(phase 1) + unpcklps xmm1,xmm3 ; xmm1=(40 41 50 51) + unpckhps xmm2,xmm3 ; xmm2=(60 61 70 71) + + movaps xmm7,xmm6 ; transpose coefficients(phase 2) + unpcklps2 xmm6,xmm0 ; xmm6=(00 01 02 03)=data0 + unpckhps2 xmm7,xmm0 ; xmm7=(10 11 12 13)=data1 + movaps xmm3,xmm2 ; transpose coefficients(phase 2) + unpcklps2 xmm2,xmm5 ; xmm2=(60 61 62 63)=data6 + unpckhps2 xmm3,xmm5 ; xmm3=(70 71 72 73)=data7 + + movaps xmm0,xmm7 + movaps xmm5,xmm6 + subps xmm7,xmm2 ; xmm7=data1-data6=tmp6 + subps xmm6,xmm3 ; xmm6=data0-data7=tmp7 + addps xmm0,xmm2 ; xmm0=data1+data6=tmp1 + addps xmm5,xmm3 ; xmm5=data0+data7=tmp0 + + movaps xmm2, XMMWORD [wk(0)] ; xmm2=(22 23 32 33) + movaps xmm3, XMMWORD [wk(1)] ; xmm3=(42 43 52 53) + movaps XMMWORD [wk(0)], xmm7 ; wk(0)=tmp6 + movaps XMMWORD [wk(1)], xmm6 ; wk(1)=tmp7 + + movaps xmm7,xmm4 ; transpose coefficients(phase 2) + unpcklps2 xmm4,xmm2 ; xmm4=(20 21 22 23)=data2 + unpckhps2 xmm7,xmm2 ; xmm7=(30 31 32 33)=data3 + movaps xmm6,xmm1 ; transpose coefficients(phase 2) + unpcklps2 xmm1,xmm3 ; xmm1=(40 41 42 43)=data4 + unpckhps2 xmm6,xmm3 ; xmm6=(50 51 52 53)=data5 + + movaps xmm2,xmm7 + movaps xmm3,xmm4 + addps xmm7,xmm1 ; xmm7=data3+data4=tmp3 + addps xmm4,xmm6 ; xmm4=data2+data5=tmp2 + subps xmm2,xmm1 ; xmm2=data3-data4=tmp4 + subps xmm3,xmm6 ; xmm3=data2-data5=tmp5 + + ; -- Even part + + movaps xmm1,xmm5 + movaps xmm6,xmm0 + subps xmm5,xmm7 ; xmm5=tmp13 + subps xmm0,xmm4 ; xmm0=tmp12 + addps xmm1,xmm7 ; xmm1=tmp10 + addps xmm6,xmm4 ; xmm6=tmp11 + + addps xmm0,xmm5 + mulps xmm0,[rel PD_0_707] ; xmm0=z1 + + movaps xmm7,xmm1 + movaps xmm4,xmm5 + subps xmm1,xmm6 ; xmm1=data4 + subps xmm5,xmm0 ; xmm5=data6 + addps xmm7,xmm6 ; xmm7=data0 + addps xmm4,xmm0 ; xmm4=data2 + + movaps XMMWORD [XMMBLOCK(4,0,rdx,SIZEOF_FAST_FLOAT)], xmm1 + movaps XMMWORD [XMMBLOCK(6,0,rdx,SIZEOF_FAST_FLOAT)], xmm5 + movaps XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_FAST_FLOAT)], xmm7 + movaps XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_FAST_FLOAT)], xmm4 + + ; -- Odd part + + movaps xmm6, XMMWORD [wk(0)] ; xmm6=tmp6 + movaps xmm0, XMMWORD [wk(1)] ; xmm0=tmp7 + + addps xmm2,xmm3 ; xmm2=tmp10 + addps xmm3,xmm6 ; xmm3=tmp11 + addps xmm6,xmm0 ; xmm6=tmp12, xmm0=tmp7 + + mulps xmm3,[rel PD_0_707] ; xmm3=z3 + + movaps xmm1,xmm2 ; xmm1=tmp10 + subps xmm2,xmm6 + mulps xmm2,[rel PD_0_382] ; xmm2=z5 + mulps xmm1,[rel PD_0_541] ; xmm1=MULTIPLY(tmp10,FIX_0_541196) + mulps xmm6,[rel PD_1_306] ; xmm6=MULTIPLY(tmp12,FIX_1_306562) + addps xmm1,xmm2 ; xmm1=z2 + addps xmm6,xmm2 ; xmm6=z4 + + movaps xmm5,xmm0 + subps xmm0,xmm3 ; xmm0=z13 + addps xmm5,xmm3 ; xmm5=z11 + + movaps xmm7,xmm0 + movaps xmm4,xmm5 + subps xmm0,xmm1 ; xmm0=data3 + subps xmm5,xmm6 ; xmm5=data7 + addps xmm7,xmm1 ; xmm7=data5 + addps xmm4,xmm6 ; xmm4=data1 + + movaps XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_FAST_FLOAT)], xmm0 + movaps XMMWORD [XMMBLOCK(7,0,rdx,SIZEOF_FAST_FLOAT)], xmm5 + movaps XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_FAST_FLOAT)], xmm7 + movaps XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_FAST_FLOAT)], xmm4 + + add rdx, byte 4*SIZEOF_FAST_FLOAT + dec rcx + jnz near .columnloop + + 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 |