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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /media/libjpeg/simd/jcsample-sse2-64.asm | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip |
Add m-esr52 at 52.6.0
Diffstat (limited to 'media/libjpeg/simd/jcsample-sse2-64.asm')
-rw-r--r-- | media/libjpeg/simd/jcsample-sse2-64.asm | 329 |
1 files changed, 329 insertions, 0 deletions
diff --git a/media/libjpeg/simd/jcsample-sse2-64.asm b/media/libjpeg/simd/jcsample-sse2-64.asm new file mode 100644 index 000000000..40ee15fcb --- /dev/null +++ b/media/libjpeg/simd/jcsample-sse2-64.asm @@ -0,0 +1,329 @@ +; +; jcsample.asm - downsampling (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 +; +; [TAB8] + +%include "jsimdext.inc" + +; -------------------------------------------------------------------------- + SECTION SEG_TEXT + BITS 64 +; +; Downsample pixel values of a single component. +; This version handles the common case of 2:1 horizontal and 1:1 vertical, +; without smoothing. +; +; GLOBAL(void) +; jsimd_h2v1_downsample_sse2 (JDIMENSION image_width, int max_v_samp_factor, +; JDIMENSION v_samp_factor, JDIMENSION width_blocks, +; JSAMPARRAY input_data, JSAMPARRAY output_data); +; + +; r10 = JDIMENSION image_width +; r11 = int max_v_samp_factor +; r12 = JDIMENSION v_samp_factor +; r13 = JDIMENSION width_blocks +; r14 = JSAMPARRAY input_data +; r15 = JSAMPARRAY output_data + + align 16 + global EXTN(jsimd_h2v1_downsample_sse2) + +EXTN(jsimd_h2v1_downsample_sse2): + push rbp + mov rax,rsp + mov rbp,rsp + collect_args + + mov ecx, r13d + shl rcx,3 ; imul rcx,DCTSIZE (rcx = output_cols) + jz near .return + + mov edx, r10d + + ; -- expand_right_edge + + push rcx + shl rcx,1 ; output_cols * 2 + sub rcx,rdx + jle short .expand_end + + mov rax, r11 + test rax,rax + jle short .expand_end + + cld + mov rsi, r14 ; input_data +.expandloop: + push rax + push rcx + + mov rdi, JSAMPROW [rsi] + add rdi,rdx + mov al, JSAMPLE [rdi-1] + + rep stosb + + pop rcx + pop rax + + add rsi, byte SIZEOF_JSAMPROW + dec rax + jg short .expandloop + +.expand_end: + pop rcx ; output_cols + + ; -- h2v1_downsample + + mov eax, r12d ; rowctr + test eax,eax + jle near .return + + mov rdx, 0x00010000 ; bias pattern + movd xmm7,edx + pcmpeqw xmm6,xmm6 + pshufd xmm7,xmm7,0x00 ; xmm7={0, 1, 0, 1, 0, 1, 0, 1} + psrlw xmm6,BYTE_BIT ; xmm6={0xFF 0x00 0xFF 0x00 ..} + + mov rsi, r14 ; input_data + mov rdi, r15 ; output_data +.rowloop: + push rcx + push rdi + push rsi + + mov rsi, JSAMPROW [rsi] ; inptr + mov rdi, JSAMPROW [rdi] ; outptr + + cmp rcx, byte SIZEOF_XMMWORD + jae short .columnloop + +.columnloop_r8: + movdqa xmm0, XMMWORD [rsi+0*SIZEOF_XMMWORD] + pxor xmm1,xmm1 + mov rcx, SIZEOF_XMMWORD + jmp short .downsample + +.columnloop: + movdqa xmm0, XMMWORD [rsi+0*SIZEOF_XMMWORD] + movdqa xmm1, XMMWORD [rsi+1*SIZEOF_XMMWORD] + +.downsample: + movdqa xmm2,xmm0 + movdqa xmm3,xmm1 + + pand xmm0,xmm6 + psrlw xmm2,BYTE_BIT + pand xmm1,xmm6 + psrlw xmm3,BYTE_BIT + + paddw xmm0,xmm2 + paddw xmm1,xmm3 + paddw xmm0,xmm7 + paddw xmm1,xmm7 + psrlw xmm0,1 + psrlw xmm1,1 + + packuswb xmm0,xmm1 + + movdqa XMMWORD [rdi+0*SIZEOF_XMMWORD], xmm0 + + sub rcx, byte SIZEOF_XMMWORD ; outcol + add rsi, byte 2*SIZEOF_XMMWORD ; inptr + add rdi, byte 1*SIZEOF_XMMWORD ; outptr + cmp rcx, byte SIZEOF_XMMWORD + jae short .columnloop + test rcx,rcx + jnz short .columnloop_r8 + + pop rsi + pop rdi + pop rcx + + add rsi, byte SIZEOF_JSAMPROW ; input_data + add rdi, byte SIZEOF_JSAMPROW ; output_data + dec rax ; rowctr + jg near .rowloop + +.return: + uncollect_args + pop rbp + ret + +; -------------------------------------------------------------------------- +; +; Downsample pixel values of a single component. +; This version handles the standard case of 2:1 horizontal and 2:1 vertical, +; without smoothing. +; +; GLOBAL(void) +; jsimd_h2v2_downsample_sse2 (JDIMENSION image_width, int max_v_samp_factor, +; JDIMENSION v_samp_factor, JDIMENSION width_blocks, +; JSAMPARRAY input_data, JSAMPARRAY output_data); +; + +; r10 = JDIMENSION image_width +; r11 = int max_v_samp_factor +; r12 = JDIMENSION v_samp_factor +; r13 = JDIMENSION width_blocks +; r14 = JSAMPARRAY input_data +; r15 = JSAMPARRAY output_data + + align 16 + global EXTN(jsimd_h2v2_downsample_sse2) + +EXTN(jsimd_h2v2_downsample_sse2): + push rbp + mov rax,rsp + mov rbp,rsp + collect_args + + mov ecx, r13d + shl rcx,3 ; imul rcx,DCTSIZE (rcx = output_cols) + jz near .return + + mov edx, r10d + + ; -- expand_right_edge + + push rcx + shl rcx,1 ; output_cols * 2 + sub rcx,rdx + jle short .expand_end + + mov rax, r11 + test rax,rax + jle short .expand_end + + cld + mov rsi, r14 ; input_data +.expandloop: + push rax + push rcx + + mov rdi, JSAMPROW [rsi] + add rdi,rdx + mov al, JSAMPLE [rdi-1] + + rep stosb + + pop rcx + pop rax + + add rsi, byte SIZEOF_JSAMPROW + dec rax + jg short .expandloop + +.expand_end: + pop rcx ; output_cols + + ; -- h2v2_downsample + + mov eax, r12d ; rowctr + test rax,rax + jle near .return + + mov rdx, 0x00020001 ; bias pattern + movd xmm7,edx + pcmpeqw xmm6,xmm6 + pshufd xmm7,xmm7,0x00 ; xmm7={1, 2, 1, 2, 1, 2, 1, 2} + psrlw xmm6,BYTE_BIT ; xmm6={0xFF 0x00 0xFF 0x00 ..} + + mov rsi, r14 ; input_data + mov rdi, r15 ; output_data +.rowloop: + push rcx + push rdi + push rsi + + mov rdx, JSAMPROW [rsi+0*SIZEOF_JSAMPROW] ; inptr0 + mov rsi, JSAMPROW [rsi+1*SIZEOF_JSAMPROW] ; inptr1 + mov rdi, JSAMPROW [rdi] ; outptr + + cmp rcx, byte SIZEOF_XMMWORD + jae short .columnloop + +.columnloop_r8: + movdqa xmm0, XMMWORD [rdx+0*SIZEOF_XMMWORD] + movdqa xmm1, XMMWORD [rsi+0*SIZEOF_XMMWORD] + pxor xmm2,xmm2 + pxor xmm3,xmm3 + mov rcx, SIZEOF_XMMWORD + jmp short .downsample + +.columnloop: + movdqa xmm0, XMMWORD [rdx+0*SIZEOF_XMMWORD] + movdqa xmm1, XMMWORD [rsi+0*SIZEOF_XMMWORD] + movdqa xmm2, XMMWORD [rdx+1*SIZEOF_XMMWORD] + movdqa xmm3, XMMWORD [rsi+1*SIZEOF_XMMWORD] + +.downsample: + movdqa xmm4,xmm0 + movdqa xmm5,xmm1 + pand xmm0,xmm6 + psrlw xmm4,BYTE_BIT + pand xmm1,xmm6 + psrlw xmm5,BYTE_BIT + paddw xmm0,xmm4 + paddw xmm1,xmm5 + + movdqa xmm4,xmm2 + movdqa xmm5,xmm3 + pand xmm2,xmm6 + psrlw xmm4,BYTE_BIT + pand xmm3,xmm6 + psrlw xmm5,BYTE_BIT + paddw xmm2,xmm4 + paddw xmm3,xmm5 + + paddw xmm0,xmm1 + paddw xmm2,xmm3 + paddw xmm0,xmm7 + paddw xmm2,xmm7 + psrlw xmm0,2 + psrlw xmm2,2 + + packuswb xmm0,xmm2 + + movdqa XMMWORD [rdi+0*SIZEOF_XMMWORD], xmm0 + + sub rcx, byte SIZEOF_XMMWORD ; outcol + add rdx, byte 2*SIZEOF_XMMWORD ; inptr0 + add rsi, byte 2*SIZEOF_XMMWORD ; inptr1 + add rdi, byte 1*SIZEOF_XMMWORD ; outptr + cmp rcx, byte SIZEOF_XMMWORD + jae near .columnloop + test rcx,rcx + jnz near .columnloop_r8 + + pop rsi + pop rdi + pop rcx + + add rsi, byte 2*SIZEOF_JSAMPROW ; input_data + add rdi, byte 1*SIZEOF_JSAMPROW ; output_data + dec rax ; rowctr + jg near .rowloop + +.return: + uncollect_args + 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 |