diff options
Diffstat (limited to 'media/libjpeg/simd/jdsample-sse2.asm')
-rw-r--r-- | media/libjpeg/simd/jdsample-sse2.asm | 728 |
1 files changed, 0 insertions, 728 deletions
diff --git a/media/libjpeg/simd/jdsample-sse2.asm b/media/libjpeg/simd/jdsample-sse2.asm deleted file mode 100644 index 1d0059e803..0000000000 --- a/media/libjpeg/simd/jdsample-sse2.asm +++ /dev/null @@ -1,728 +0,0 @@ -; -; jdsample.asm - upsampling (SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; 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 -; -; [TAB8] - -%include "jsimdext.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_fancy_upsample_sse2) - -EXTN(jconst_fancy_upsample_sse2): - -PW_ONE times 8 dw 1 -PW_TWO times 8 dw 2 -PW_THREE times 8 dw 3 -PW_SEVEN times 8 dw 7 -PW_EIGHT times 8 dw 8 - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Fancy processing for the common case of 2:1 horizontal and 1:1 vertical. -; -; The upsampling algorithm is linear interpolation between pixel centers, -; also known as a "triangle filter". This is a good compromise between -; speed and visual quality. The centers of the output pixels are 1/4 and 3/4 -; of the way between input pixel centers. -; -; GLOBAL(void) -; jsimd_h2v1_fancy_upsample_sse2 (int max_v_samp_factor, -; JDIMENSION downsampled_width, -; JSAMPARRAY input_data, -; JSAMPARRAY *output_data_ptr); -; - -%define max_v_samp(b) (b)+8 ; int max_v_samp_factor -%define downsamp_width(b) (b)+12 ; JDIMENSION downsampled_width -%define input_data(b) (b)+16 ; JSAMPARRAY input_data -%define output_data_ptr(b) (b)+20 ; JSAMPARRAY *output_data_ptr - - align 16 - global EXTN(jsimd_h2v1_fancy_upsample_sse2) - -EXTN(jsimd_h2v1_fancy_upsample_sse2): - push ebp - mov ebp,esp - pushpic ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - - mov eax, JDIMENSION [downsamp_width(ebp)] ; colctr - test eax,eax - jz near .return - - mov ecx, INT [max_v_samp(ebp)] ; rowctr - test ecx,ecx - jz near .return - - mov esi, JSAMPARRAY [input_data(ebp)] ; input_data - mov edi, POINTER [output_data_ptr(ebp)] - mov edi, JSAMPARRAY [edi] ; output_data - alignx 16,7 -.rowloop: - push eax ; colctr - push edi - push esi - - mov esi, JSAMPROW [esi] ; inptr - mov edi, JSAMPROW [edi] ; outptr - - test eax, SIZEOF_XMMWORD-1 - jz short .skip - mov dl, JSAMPLE [esi+(eax-1)*SIZEOF_JSAMPLE] - mov JSAMPLE [esi+eax*SIZEOF_JSAMPLE], dl ; insert a dummy sample -.skip: - pxor xmm0,xmm0 ; xmm0=(all 0's) - pcmpeqb xmm7,xmm7 - psrldq xmm7,(SIZEOF_XMMWORD-1) - pand xmm7, XMMWORD [esi+0*SIZEOF_XMMWORD] - - add eax, byte SIZEOF_XMMWORD-1 - and eax, byte -SIZEOF_XMMWORD - cmp eax, byte SIZEOF_XMMWORD - ja short .columnloop - alignx 16,7 - -.columnloop_last: - pcmpeqb xmm6,xmm6 - pslldq xmm6,(SIZEOF_XMMWORD-1) - pand xmm6, XMMWORD [esi+0*SIZEOF_XMMWORD] - jmp short .upsample - alignx 16,7 - -.columnloop: - movdqa xmm6, XMMWORD [esi+1*SIZEOF_XMMWORD] - pslldq xmm6,(SIZEOF_XMMWORD-1) - -.upsample: - movdqa xmm1, XMMWORD [esi+0*SIZEOF_XMMWORD] - movdqa xmm2,xmm1 - movdqa xmm3,xmm1 ; xmm1=( 0 1 2 ... 13 14 15) - pslldq xmm2,1 ; xmm2=(-- 0 1 ... 12 13 14) - psrldq xmm3,1 ; xmm3=( 1 2 3 ... 14 15 --) - - por xmm2,xmm7 ; xmm2=(-1 0 1 ... 12 13 14) - por xmm3,xmm6 ; xmm3=( 1 2 3 ... 14 15 16) - - movdqa xmm7,xmm1 - psrldq xmm7,(SIZEOF_XMMWORD-1) ; xmm7=(15 -- -- ... -- -- --) - - movdqa xmm4,xmm1 - punpcklbw xmm1,xmm0 ; xmm1=( 0 1 2 3 4 5 6 7) - punpckhbw xmm4,xmm0 ; xmm4=( 8 9 10 11 12 13 14 15) - movdqa xmm5,xmm2 - punpcklbw xmm2,xmm0 ; xmm2=(-1 0 1 2 3 4 5 6) - punpckhbw xmm5,xmm0 ; xmm5=( 7 8 9 10 11 12 13 14) - movdqa xmm6,xmm3 - punpcklbw xmm3,xmm0 ; xmm3=( 1 2 3 4 5 6 7 8) - punpckhbw xmm6,xmm0 ; xmm6=( 9 10 11 12 13 14 15 16) - - pmullw xmm1,[GOTOFF(ebx,PW_THREE)] - pmullw xmm4,[GOTOFF(ebx,PW_THREE)] - paddw xmm2,[GOTOFF(ebx,PW_ONE)] - paddw xmm5,[GOTOFF(ebx,PW_ONE)] - paddw xmm3,[GOTOFF(ebx,PW_TWO)] - paddw xmm6,[GOTOFF(ebx,PW_TWO)] - - paddw xmm2,xmm1 - paddw xmm5,xmm4 - psrlw xmm2,2 ; xmm2=OutLE=( 0 2 4 6 8 10 12 14) - psrlw xmm5,2 ; xmm5=OutHE=(16 18 20 22 24 26 28 30) - paddw xmm3,xmm1 - paddw xmm6,xmm4 - psrlw xmm3,2 ; xmm3=OutLO=( 1 3 5 7 9 11 13 15) - psrlw xmm6,2 ; xmm6=OutHO=(17 19 21 23 25 27 29 31) - - psllw xmm3,BYTE_BIT - psllw xmm6,BYTE_BIT - por xmm2,xmm3 ; xmm2=OutL=( 0 1 2 ... 13 14 15) - por xmm5,xmm6 ; xmm5=OutH=(16 17 18 ... 29 30 31) - - movdqa XMMWORD [edi+0*SIZEOF_XMMWORD], xmm2 - movdqa XMMWORD [edi+1*SIZEOF_XMMWORD], xmm5 - - sub eax, byte SIZEOF_XMMWORD - add esi, byte 1*SIZEOF_XMMWORD ; inptr - add edi, byte 2*SIZEOF_XMMWORD ; outptr - cmp eax, byte SIZEOF_XMMWORD - ja near .columnloop - test eax,eax - jnz near .columnloop_last - - pop esi - pop edi - pop eax - - add esi, byte SIZEOF_JSAMPROW ; input_data - add edi, byte SIZEOF_JSAMPROW ; output_data - dec ecx ; rowctr - jg near .rowloop - -.return: - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - poppic ebx - pop ebp - ret - -; -------------------------------------------------------------------------- -; -; Fancy processing for the common case of 2:1 horizontal and 2:1 vertical. -; Again a triangle filter; see comments for h2v1 case, above. -; -; GLOBAL(void) -; jsimd_h2v2_fancy_upsample_sse2 (int max_v_samp_factor, -; JDIMENSION downsampled_width, -; JSAMPARRAY input_data, -; JSAMPARRAY *output_data_ptr); -; - -%define max_v_samp(b) (b)+8 ; int max_v_samp_factor -%define downsamp_width(b) (b)+12 ; JDIMENSION downsampled_width -%define input_data(b) (b)+16 ; JSAMPARRAY input_data -%define output_data_ptr(b) (b)+20 ; JSAMPARRAY *output_data_ptr - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 4 -%define gotptr wk(0)-SIZEOF_POINTER ; void *gotptr - - align 16 - global EXTN(jsimd_h2v2_fancy_upsample_sse2) - -EXTN(jsimd_h2v2_fancy_upsample_sse2): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [wk(0)] - pushpic eax ; make a room for GOT address - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - movpic POINTER [gotptr], ebx ; save GOT address - - mov edx,eax ; edx = original ebp - mov eax, JDIMENSION [downsamp_width(edx)] ; colctr - test eax,eax - jz near .return - - mov ecx, INT [max_v_samp(edx)] ; rowctr - test ecx,ecx - jz near .return - - mov esi, JSAMPARRAY [input_data(edx)] ; input_data - mov edi, POINTER [output_data_ptr(edx)] - mov edi, JSAMPARRAY [edi] ; output_data - alignx 16,7 -.rowloop: - push eax ; colctr - push ecx - push edi - push esi - - mov ecx, JSAMPROW [esi-1*SIZEOF_JSAMPROW] ; inptr1(above) - mov ebx, JSAMPROW [esi+0*SIZEOF_JSAMPROW] ; inptr0 - mov esi, JSAMPROW [esi+1*SIZEOF_JSAMPROW] ; inptr1(below) - mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] ; outptr0 - mov edi, JSAMPROW [edi+1*SIZEOF_JSAMPROW] ; outptr1 - - test eax, SIZEOF_XMMWORD-1 - jz short .skip - push edx - mov dl, JSAMPLE [ecx+(eax-1)*SIZEOF_JSAMPLE] - mov JSAMPLE [ecx+eax*SIZEOF_JSAMPLE], dl - mov dl, JSAMPLE [ebx+(eax-1)*SIZEOF_JSAMPLE] - mov JSAMPLE [ebx+eax*SIZEOF_JSAMPLE], dl - mov dl, JSAMPLE [esi+(eax-1)*SIZEOF_JSAMPLE] - mov JSAMPLE [esi+eax*SIZEOF_JSAMPLE], dl ; insert a dummy sample - pop edx -.skip: - ; -- process the first column block - - movdqa xmm0, XMMWORD [ebx+0*SIZEOF_XMMWORD] ; xmm0=row[ 0][0] - movdqa xmm1, XMMWORD [ecx+0*SIZEOF_XMMWORD] ; xmm1=row[-1][0] - movdqa xmm2, XMMWORD [esi+0*SIZEOF_XMMWORD] ; xmm2=row[+1][0] - - pushpic ebx - movpic ebx, POINTER [gotptr] ; load GOT address - - pxor xmm3,xmm3 ; xmm3=(all 0's) - movdqa xmm4,xmm0 - punpcklbw xmm0,xmm3 ; xmm0=row[ 0]( 0 1 2 3 4 5 6 7) - punpckhbw xmm4,xmm3 ; xmm4=row[ 0]( 8 9 10 11 12 13 14 15) - movdqa xmm5,xmm1 - punpcklbw xmm1,xmm3 ; xmm1=row[-1]( 0 1 2 3 4 5 6 7) - punpckhbw xmm5,xmm3 ; xmm5=row[-1]( 8 9 10 11 12 13 14 15) - movdqa xmm6,xmm2 - punpcklbw xmm2,xmm3 ; xmm2=row[+1]( 0 1 2 3 4 5 6 7) - punpckhbw xmm6,xmm3 ; xmm6=row[+1]( 8 9 10 11 12 13 14 15) - - pmullw xmm0,[GOTOFF(ebx,PW_THREE)] - pmullw xmm4,[GOTOFF(ebx,PW_THREE)] - - pcmpeqb xmm7,xmm7 - psrldq xmm7,(SIZEOF_XMMWORD-2) - - paddw xmm1,xmm0 ; xmm1=Int0L=( 0 1 2 3 4 5 6 7) - paddw xmm5,xmm4 ; xmm5=Int0H=( 8 9 10 11 12 13 14 15) - paddw xmm2,xmm0 ; xmm2=Int1L=( 0 1 2 3 4 5 6 7) - paddw xmm6,xmm4 ; xmm6=Int1H=( 8 9 10 11 12 13 14 15) - - movdqa XMMWORD [edx+0*SIZEOF_XMMWORD], xmm1 ; temporarily save - movdqa XMMWORD [edx+1*SIZEOF_XMMWORD], xmm5 ; the intermediate data - movdqa XMMWORD [edi+0*SIZEOF_XMMWORD], xmm2 - movdqa XMMWORD [edi+1*SIZEOF_XMMWORD], xmm6 - - pand xmm1,xmm7 ; xmm1=( 0 -- -- -- -- -- -- --) - pand xmm2,xmm7 ; xmm2=( 0 -- -- -- -- -- -- --) - - movdqa XMMWORD [wk(0)], xmm1 - movdqa XMMWORD [wk(1)], xmm2 - - poppic ebx - - add eax, byte SIZEOF_XMMWORD-1 - and eax, byte -SIZEOF_XMMWORD - cmp eax, byte SIZEOF_XMMWORD - ja short .columnloop - alignx 16,7 - -.columnloop_last: - ; -- process the last column block - - pushpic ebx - movpic ebx, POINTER [gotptr] ; load GOT address - - pcmpeqb xmm1,xmm1 - pslldq xmm1,(SIZEOF_XMMWORD-2) - movdqa xmm2,xmm1 - - pand xmm1, XMMWORD [edx+1*SIZEOF_XMMWORD] - pand xmm2, XMMWORD [edi+1*SIZEOF_XMMWORD] - - movdqa XMMWORD [wk(2)], xmm1 ; xmm1=(-- -- -- -- -- -- -- 15) - movdqa XMMWORD [wk(3)], xmm2 ; xmm2=(-- -- -- -- -- -- -- 15) - - jmp near .upsample - alignx 16,7 - -.columnloop: - ; -- process the next column block - - movdqa xmm0, XMMWORD [ebx+1*SIZEOF_XMMWORD] ; xmm0=row[ 0][1] - movdqa xmm1, XMMWORD [ecx+1*SIZEOF_XMMWORD] ; xmm1=row[-1][1] - movdqa xmm2, XMMWORD [esi+1*SIZEOF_XMMWORD] ; xmm2=row[+1][1] - - pushpic ebx - movpic ebx, POINTER [gotptr] ; load GOT address - - pxor xmm3,xmm3 ; xmm3=(all 0's) - movdqa xmm4,xmm0 - punpcklbw xmm0,xmm3 ; xmm0=row[ 0]( 0 1 2 3 4 5 6 7) - punpckhbw xmm4,xmm3 ; xmm4=row[ 0]( 8 9 10 11 12 13 14 15) - movdqa xmm5,xmm1 - punpcklbw xmm1,xmm3 ; xmm1=row[-1]( 0 1 2 3 4 5 6 7) - punpckhbw xmm5,xmm3 ; xmm5=row[-1]( 8 9 10 11 12 13 14 15) - movdqa xmm6,xmm2 - punpcklbw xmm2,xmm3 ; xmm2=row[+1]( 0 1 2 3 4 5 6 7) - punpckhbw xmm6,xmm3 ; xmm6=row[+1]( 8 9 10 11 12 13 14 15) - - pmullw xmm0,[GOTOFF(ebx,PW_THREE)] - pmullw xmm4,[GOTOFF(ebx,PW_THREE)] - - paddw xmm1,xmm0 ; xmm1=Int0L=( 0 1 2 3 4 5 6 7) - paddw xmm5,xmm4 ; xmm5=Int0H=( 8 9 10 11 12 13 14 15) - paddw xmm2,xmm0 ; xmm2=Int1L=( 0 1 2 3 4 5 6 7) - paddw xmm6,xmm4 ; xmm6=Int1H=( 8 9 10 11 12 13 14 15) - - movdqa XMMWORD [edx+2*SIZEOF_XMMWORD], xmm1 ; temporarily save - movdqa XMMWORD [edx+3*SIZEOF_XMMWORD], xmm5 ; the intermediate data - movdqa XMMWORD [edi+2*SIZEOF_XMMWORD], xmm2 - movdqa XMMWORD [edi+3*SIZEOF_XMMWORD], xmm6 - - pslldq xmm1,(SIZEOF_XMMWORD-2) ; xmm1=(-- -- -- -- -- -- -- 0) - pslldq xmm2,(SIZEOF_XMMWORD-2) ; xmm2=(-- -- -- -- -- -- -- 0) - - movdqa XMMWORD [wk(2)], xmm1 - movdqa XMMWORD [wk(3)], xmm2 - -.upsample: - ; -- process the upper row - - movdqa xmm7, XMMWORD [edx+0*SIZEOF_XMMWORD] - movdqa xmm3, XMMWORD [edx+1*SIZEOF_XMMWORD] - - movdqa xmm0,xmm7 ; xmm7=Int0L=( 0 1 2 3 4 5 6 7) - movdqa xmm4,xmm3 ; xmm3=Int0H=( 8 9 10 11 12 13 14 15) - psrldq xmm0,2 ; xmm0=( 1 2 3 4 5 6 7 --) - pslldq xmm4,(SIZEOF_XMMWORD-2) ; xmm4=(-- -- -- -- -- -- -- 8) - movdqa xmm5,xmm7 - movdqa xmm6,xmm3 - psrldq xmm5,(SIZEOF_XMMWORD-2) ; xmm5=( 7 -- -- -- -- -- -- --) - pslldq xmm6,2 ; xmm6=(-- 8 9 10 11 12 13 14) - - por xmm0,xmm4 ; xmm0=( 1 2 3 4 5 6 7 8) - por xmm5,xmm6 ; xmm5=( 7 8 9 10 11 12 13 14) - - movdqa xmm1,xmm7 - movdqa xmm2,xmm3 - pslldq xmm1,2 ; xmm1=(-- 0 1 2 3 4 5 6) - psrldq xmm2,2 ; xmm2=( 9 10 11 12 13 14 15 --) - movdqa xmm4,xmm3 - psrldq xmm4,(SIZEOF_XMMWORD-2) ; xmm4=(15 -- -- -- -- -- -- --) - - por xmm1, XMMWORD [wk(0)] ; xmm1=(-1 0 1 2 3 4 5 6) - por xmm2, XMMWORD [wk(2)] ; xmm2=( 9 10 11 12 13 14 15 16) - - movdqa XMMWORD [wk(0)], xmm4 - - pmullw xmm7,[GOTOFF(ebx,PW_THREE)] - pmullw xmm3,[GOTOFF(ebx,PW_THREE)] - paddw xmm1,[GOTOFF(ebx,PW_EIGHT)] - paddw xmm5,[GOTOFF(ebx,PW_EIGHT)] - paddw xmm0,[GOTOFF(ebx,PW_SEVEN)] - paddw xmm2,[GOTOFF(ebx,PW_SEVEN)] - - paddw xmm1,xmm7 - paddw xmm5,xmm3 - psrlw xmm1,4 ; xmm1=Out0LE=( 0 2 4 6 8 10 12 14) - psrlw xmm5,4 ; xmm5=Out0HE=(16 18 20 22 24 26 28 30) - paddw xmm0,xmm7 - paddw xmm2,xmm3 - psrlw xmm0,4 ; xmm0=Out0LO=( 1 3 5 7 9 11 13 15) - psrlw xmm2,4 ; xmm2=Out0HO=(17 19 21 23 25 27 29 31) - - psllw xmm0,BYTE_BIT - psllw xmm2,BYTE_BIT - por xmm1,xmm0 ; xmm1=Out0L=( 0 1 2 ... 13 14 15) - por xmm5,xmm2 ; xmm5=Out0H=(16 17 18 ... 29 30 31) - - movdqa XMMWORD [edx+0*SIZEOF_XMMWORD], xmm1 - movdqa XMMWORD [edx+1*SIZEOF_XMMWORD], xmm5 - - ; -- process the lower row - - movdqa xmm6, XMMWORD [edi+0*SIZEOF_XMMWORD] - movdqa xmm4, XMMWORD [edi+1*SIZEOF_XMMWORD] - - movdqa xmm7,xmm6 ; xmm6=Int1L=( 0 1 2 3 4 5 6 7) - movdqa xmm3,xmm4 ; xmm4=Int1H=( 8 9 10 11 12 13 14 15) - psrldq xmm7,2 ; xmm7=( 1 2 3 4 5 6 7 --) - pslldq xmm3,(SIZEOF_XMMWORD-2) ; xmm3=(-- -- -- -- -- -- -- 8) - movdqa xmm0,xmm6 - movdqa xmm2,xmm4 - psrldq xmm0,(SIZEOF_XMMWORD-2) ; xmm0=( 7 -- -- -- -- -- -- --) - pslldq xmm2,2 ; xmm2=(-- 8 9 10 11 12 13 14) - - por xmm7,xmm3 ; xmm7=( 1 2 3 4 5 6 7 8) - por xmm0,xmm2 ; xmm0=( 7 8 9 10 11 12 13 14) - - movdqa xmm1,xmm6 - movdqa xmm5,xmm4 - pslldq xmm1,2 ; xmm1=(-- 0 1 2 3 4 5 6) - psrldq xmm5,2 ; xmm5=( 9 10 11 12 13 14 15 --) - movdqa xmm3,xmm4 - psrldq xmm3,(SIZEOF_XMMWORD-2) ; xmm3=(15 -- -- -- -- -- -- --) - - por xmm1, XMMWORD [wk(1)] ; xmm1=(-1 0 1 2 3 4 5 6) - por xmm5, XMMWORD [wk(3)] ; xmm5=( 9 10 11 12 13 14 15 16) - - movdqa XMMWORD [wk(1)], xmm3 - - pmullw xmm6,[GOTOFF(ebx,PW_THREE)] - pmullw xmm4,[GOTOFF(ebx,PW_THREE)] - paddw xmm1,[GOTOFF(ebx,PW_EIGHT)] - paddw xmm0,[GOTOFF(ebx,PW_EIGHT)] - paddw xmm7,[GOTOFF(ebx,PW_SEVEN)] - paddw xmm5,[GOTOFF(ebx,PW_SEVEN)] - - paddw xmm1,xmm6 - paddw xmm0,xmm4 - psrlw xmm1,4 ; xmm1=Out1LE=( 0 2 4 6 8 10 12 14) - psrlw xmm0,4 ; xmm0=Out1HE=(16 18 20 22 24 26 28 30) - paddw xmm7,xmm6 - paddw xmm5,xmm4 - psrlw xmm7,4 ; xmm7=Out1LO=( 1 3 5 7 9 11 13 15) - psrlw xmm5,4 ; xmm5=Out1HO=(17 19 21 23 25 27 29 31) - - psllw xmm7,BYTE_BIT - psllw xmm5,BYTE_BIT - por xmm1,xmm7 ; xmm1=Out1L=( 0 1 2 ... 13 14 15) - por xmm0,xmm5 ; xmm0=Out1H=(16 17 18 ... 29 30 31) - - movdqa XMMWORD [edi+0*SIZEOF_XMMWORD], xmm1 - movdqa XMMWORD [edi+1*SIZEOF_XMMWORD], xmm0 - - poppic ebx - - sub eax, byte SIZEOF_XMMWORD - add ecx, byte 1*SIZEOF_XMMWORD ; inptr1(above) - add ebx, byte 1*SIZEOF_XMMWORD ; inptr0 - add esi, byte 1*SIZEOF_XMMWORD ; inptr1(below) - add edx, byte 2*SIZEOF_XMMWORD ; outptr0 - add edi, byte 2*SIZEOF_XMMWORD ; outptr1 - cmp eax, byte SIZEOF_XMMWORD - ja near .columnloop - test eax,eax - jnz near .columnloop_last - - pop esi - pop edi - pop ecx - pop eax - - add esi, byte 1*SIZEOF_JSAMPROW ; input_data - add edi, byte 2*SIZEOF_JSAMPROW ; output_data - sub ecx, byte 2 ; rowctr - jg near .rowloop - -.return: - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; -------------------------------------------------------------------------- -; -; Fast processing for the common case of 2:1 horizontal and 1:1 vertical. -; It's still a box filter. -; -; GLOBAL(void) -; jsimd_h2v1_upsample_sse2 (int max_v_samp_factor, -; JDIMENSION output_width, -; JSAMPARRAY input_data, -; JSAMPARRAY *output_data_ptr); -; - -%define max_v_samp(b) (b)+8 ; int max_v_samp_factor -%define output_width(b) (b)+12 ; JDIMENSION output_width -%define input_data(b) (b)+16 ; JSAMPARRAY input_data -%define output_data_ptr(b) (b)+20 ; JSAMPARRAY *output_data_ptr - - align 16 - global EXTN(jsimd_h2v1_upsample_sse2) - -EXTN(jsimd_h2v1_upsample_sse2): - push ebp - mov ebp,esp -; push ebx ; unused -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - mov edx, JDIMENSION [output_width(ebp)] - add edx, byte (2*SIZEOF_XMMWORD)-1 - and edx, byte -(2*SIZEOF_XMMWORD) - jz short .return - - mov ecx, INT [max_v_samp(ebp)] ; rowctr - test ecx,ecx - jz short .return - - mov esi, JSAMPARRAY [input_data(ebp)] ; input_data - mov edi, POINTER [output_data_ptr(ebp)] - mov edi, JSAMPARRAY [edi] ; output_data - alignx 16,7 -.rowloop: - push edi - push esi - - mov esi, JSAMPROW [esi] ; inptr - mov edi, JSAMPROW [edi] ; outptr - mov eax,edx ; colctr - alignx 16,7 -.columnloop: - - movdqa xmm0, XMMWORD [esi+0*SIZEOF_XMMWORD] - - movdqa xmm1,xmm0 - punpcklbw xmm0,xmm0 - punpckhbw xmm1,xmm1 - - movdqa XMMWORD [edi+0*SIZEOF_XMMWORD], xmm0 - movdqa XMMWORD [edi+1*SIZEOF_XMMWORD], xmm1 - - sub eax, byte 2*SIZEOF_XMMWORD - jz short .nextrow - - movdqa xmm2, XMMWORD [esi+1*SIZEOF_XMMWORD] - - movdqa xmm3,xmm2 - punpcklbw xmm2,xmm2 - punpckhbw xmm3,xmm3 - - movdqa XMMWORD [edi+2*SIZEOF_XMMWORD], xmm2 - movdqa XMMWORD [edi+3*SIZEOF_XMMWORD], xmm3 - - sub eax, byte 2*SIZEOF_XMMWORD - jz short .nextrow - - add esi, byte 2*SIZEOF_XMMWORD ; inptr - add edi, byte 4*SIZEOF_XMMWORD ; outptr - jmp short .columnloop - alignx 16,7 - -.nextrow: - pop esi - pop edi - - add esi, byte SIZEOF_JSAMPROW ; input_data - add edi, byte SIZEOF_JSAMPROW ; output_data - dec ecx ; rowctr - jg short .rowloop - -.return: - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved -; pop ebx ; unused - pop ebp - ret - -; -------------------------------------------------------------------------- -; -; Fast processing for the common case of 2:1 horizontal and 2:1 vertical. -; It's still a box filter. -; -; GLOBAL(void) -; jsimd_h2v2_upsample_sse2 (nt max_v_samp_factor, -; JDIMENSION output_width, -; JSAMPARRAY input_data, -; JSAMPARRAY *output_data_ptr); -; - -%define max_v_samp(b) (b)+8 ; int max_v_samp_factor -%define output_width(b) (b)+12 ; JDIMENSION output_width -%define input_data(b) (b)+16 ; JSAMPARRAY input_data -%define output_data_ptr(b) (b)+20 ; JSAMPARRAY *output_data_ptr - - align 16 - global EXTN(jsimd_h2v2_upsample_sse2) - -EXTN(jsimd_h2v2_upsample_sse2): - push ebp - mov ebp,esp - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - mov edx, JDIMENSION [output_width(ebp)] - add edx, byte (2*SIZEOF_XMMWORD)-1 - and edx, byte -(2*SIZEOF_XMMWORD) - jz near .return - - mov ecx, INT [max_v_samp(ebp)] ; rowctr - test ecx,ecx - jz near .return - - mov esi, JSAMPARRAY [input_data(ebp)] ; input_data - mov edi, POINTER [output_data_ptr(ebp)] - mov edi, JSAMPARRAY [edi] ; output_data - alignx 16,7 -.rowloop: - push edi - push esi - - mov esi, JSAMPROW [esi] ; inptr - mov ebx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] ; outptr0 - mov edi, JSAMPROW [edi+1*SIZEOF_JSAMPROW] ; outptr1 - mov eax,edx ; colctr - alignx 16,7 -.columnloop: - - movdqa xmm0, XMMWORD [esi+0*SIZEOF_XMMWORD] - - movdqa xmm1,xmm0 - punpcklbw xmm0,xmm0 - punpckhbw xmm1,xmm1 - - movdqa XMMWORD [ebx+0*SIZEOF_XMMWORD], xmm0 - movdqa XMMWORD [ebx+1*SIZEOF_XMMWORD], xmm1 - movdqa XMMWORD [edi+0*SIZEOF_XMMWORD], xmm0 - movdqa XMMWORD [edi+1*SIZEOF_XMMWORD], xmm1 - - sub eax, byte 2*SIZEOF_XMMWORD - jz short .nextrow - - movdqa xmm2, XMMWORD [esi+1*SIZEOF_XMMWORD] - - movdqa xmm3,xmm2 - punpcklbw xmm2,xmm2 - punpckhbw xmm3,xmm3 - - movdqa XMMWORD [ebx+2*SIZEOF_XMMWORD], xmm2 - movdqa XMMWORD [ebx+3*SIZEOF_XMMWORD], xmm3 - movdqa XMMWORD [edi+2*SIZEOF_XMMWORD], xmm2 - movdqa XMMWORD [edi+3*SIZEOF_XMMWORD], xmm3 - - sub eax, byte 2*SIZEOF_XMMWORD - jz short .nextrow - - add esi, byte 2*SIZEOF_XMMWORD ; inptr - add ebx, byte 4*SIZEOF_XMMWORD ; outptr0 - add edi, byte 4*SIZEOF_XMMWORD ; outptr1 - jmp short .columnloop - alignx 16,7 - -.nextrow: - pop esi - pop edi - - add esi, byte 1*SIZEOF_JSAMPROW ; input_data - add edi, byte 2*SIZEOF_JSAMPROW ; output_data - sub ecx, byte 2 ; rowctr - jg short .rowloop - -.return: - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 |