diff options
Diffstat (limited to 'media/libjpeg/simd/jquanti-sse2-64.asm')
| -rw-r--r-- | media/libjpeg/simd/jquanti-sse2-64.asm | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/media/libjpeg/simd/jquanti-sse2-64.asm b/media/libjpeg/simd/jquanti-sse2-64.asm deleted file mode 100644 index 66c4e51907..0000000000 --- a/media/libjpeg/simd/jquanti-sse2-64.asm +++ /dev/null @@ -1,186 +0,0 @@ -; -; jquanti.asm - sample data conversion and quantization (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" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 64 -; -; Load data into workspace, applying unsigned->signed conversion -; -; GLOBAL(void) -; jsimd_convsamp_sse2 (JSAMPARRAY sample_data, JDIMENSION start_col, -; DCTELEM *workspace); -; - -; r10 = JSAMPARRAY sample_data -; r11 = JDIMENSION start_col -; r12 = DCTELEM *workspace - - align 16 - global EXTN(jsimd_convsamp_sse2) - -EXTN(jsimd_convsamp_sse2): - push rbp - mov rax,rsp - mov rbp,rsp - collect_args - push rbx - - pxor xmm6,xmm6 ; xmm6=(all 0's) - pcmpeqw xmm7,xmm7 - psllw xmm7,7 ; xmm7={0xFF80 0xFF80 0xFF80 0xFF80 ..} - - mov rsi, r10 - mov eax, r11d - mov rdi, r12 - mov rcx, DCTSIZE/4 -.convloop: - mov rbx, JSAMPROW [rsi+0*SIZEOF_JSAMPROW] ; (JSAMPLE *) - mov rdx, JSAMPROW [rsi+1*SIZEOF_JSAMPROW] ; (JSAMPLE *) - - movq xmm0, XMM_MMWORD [rbx+rax*SIZEOF_JSAMPLE] ; xmm0=(01234567) - movq xmm1, XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE] ; xmm1=(89ABCDEF) - - mov rbx, JSAMPROW [rsi+2*SIZEOF_JSAMPROW] ; (JSAMPLE *) - mov rdx, JSAMPROW [rsi+3*SIZEOF_JSAMPROW] ; (JSAMPLE *) - - movq xmm2, XMM_MMWORD [rbx+rax*SIZEOF_JSAMPLE] ; xmm2=(GHIJKLMN) - movq xmm3, XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE] ; xmm3=(OPQRSTUV) - - punpcklbw xmm0,xmm6 ; xmm0=(01234567) - punpcklbw xmm1,xmm6 ; xmm1=(89ABCDEF) - paddw xmm0,xmm7 - paddw xmm1,xmm7 - punpcklbw xmm2,xmm6 ; xmm2=(GHIJKLMN) - punpcklbw xmm3,xmm6 ; xmm3=(OPQRSTUV) - paddw xmm2,xmm7 - paddw xmm3,xmm7 - - movdqa XMMWORD [XMMBLOCK(0,0,rdi,SIZEOF_DCTELEM)], xmm0 - movdqa XMMWORD [XMMBLOCK(1,0,rdi,SIZEOF_DCTELEM)], xmm1 - movdqa XMMWORD [XMMBLOCK(2,0,rdi,SIZEOF_DCTELEM)], xmm2 - movdqa XMMWORD [XMMBLOCK(3,0,rdi,SIZEOF_DCTELEM)], xmm3 - - add rsi, byte 4*SIZEOF_JSAMPROW - add rdi, byte 4*DCTSIZE*SIZEOF_DCTELEM - dec rcx - jnz short .convloop - - pop rbx - uncollect_args - pop rbp - ret - -; -------------------------------------------------------------------------- -; -; Quantize/descale the coefficients, and store into coef_block -; -; This implementation is based on an algorithm described in -; "How to optimize for the Pentium family of microprocessors" -; (http://www.agner.org/assem/). -; -; GLOBAL(void) -; jsimd_quantize_sse2 (JCOEFPTR coef_block, DCTELEM *divisors, -; DCTELEM *workspace); -; - -%define RECIPROCAL(m,n,b) XMMBLOCK(DCTSIZE*0+(m),(n),(b),SIZEOF_DCTELEM) -%define CORRECTION(m,n,b) XMMBLOCK(DCTSIZE*1+(m),(n),(b),SIZEOF_DCTELEM) -%define SCALE(m,n,b) XMMBLOCK(DCTSIZE*2+(m),(n),(b),SIZEOF_DCTELEM) - -; r10 = JCOEFPTR coef_block -; r11 = DCTELEM *divisors -; r12 = DCTELEM *workspace - - align 16 - global EXTN(jsimd_quantize_sse2) - -EXTN(jsimd_quantize_sse2): - push rbp - mov rax,rsp - mov rbp,rsp - collect_args - - mov rsi, r12 - mov rdx, r11 - mov rdi, r10 - mov rax, DCTSIZE2/32 -.quantloop: - movdqa xmm4, XMMWORD [XMMBLOCK(0,0,rsi,SIZEOF_DCTELEM)] - movdqa xmm5, XMMWORD [XMMBLOCK(1,0,rsi,SIZEOF_DCTELEM)] - movdqa xmm6, XMMWORD [XMMBLOCK(2,0,rsi,SIZEOF_DCTELEM)] - movdqa xmm7, XMMWORD [XMMBLOCK(3,0,rsi,SIZEOF_DCTELEM)] - movdqa xmm0,xmm4 - movdqa xmm1,xmm5 - movdqa xmm2,xmm6 - movdqa xmm3,xmm7 - psraw xmm4,(WORD_BIT-1) - psraw xmm5,(WORD_BIT-1) - psraw xmm6,(WORD_BIT-1) - psraw xmm7,(WORD_BIT-1) - pxor xmm0,xmm4 - pxor xmm1,xmm5 - pxor xmm2,xmm6 - pxor xmm3,xmm7 - psubw xmm0,xmm4 ; if (xmm0 < 0) xmm0 = -xmm0; - psubw xmm1,xmm5 ; if (xmm1 < 0) xmm1 = -xmm1; - psubw xmm2,xmm6 ; if (xmm2 < 0) xmm2 = -xmm2; - psubw xmm3,xmm7 ; if (xmm3 < 0) xmm3 = -xmm3; - - paddw xmm0, XMMWORD [CORRECTION(0,0,rdx)] ; correction + roundfactor - paddw xmm1, XMMWORD [CORRECTION(1,0,rdx)] - paddw xmm2, XMMWORD [CORRECTION(2,0,rdx)] - paddw xmm3, XMMWORD [CORRECTION(3,0,rdx)] - pmulhuw xmm0, XMMWORD [RECIPROCAL(0,0,rdx)] ; reciprocal - pmulhuw xmm1, XMMWORD [RECIPROCAL(1,0,rdx)] - pmulhuw xmm2, XMMWORD [RECIPROCAL(2,0,rdx)] - pmulhuw xmm3, XMMWORD [RECIPROCAL(3,0,rdx)] - pmulhuw xmm0, XMMWORD [SCALE(0,0,rdx)] ; scale - pmulhuw xmm1, XMMWORD [SCALE(1,0,rdx)] - pmulhuw xmm2, XMMWORD [SCALE(2,0,rdx)] - pmulhuw xmm3, XMMWORD [SCALE(3,0,rdx)] - - pxor xmm0,xmm4 - pxor xmm1,xmm5 - pxor xmm2,xmm6 - pxor xmm3,xmm7 - psubw xmm0,xmm4 - psubw xmm1,xmm5 - psubw xmm2,xmm6 - psubw xmm3,xmm7 - movdqa XMMWORD [XMMBLOCK(0,0,rdi,SIZEOF_DCTELEM)], xmm0 - movdqa XMMWORD [XMMBLOCK(1,0,rdi,SIZEOF_DCTELEM)], xmm1 - movdqa XMMWORD [XMMBLOCK(2,0,rdi,SIZEOF_DCTELEM)], xmm2 - movdqa XMMWORD [XMMBLOCK(3,0,rdi,SIZEOF_DCTELEM)], xmm3 - - add rsi, byte 32*SIZEOF_DCTELEM - add rdx, byte 32*SIZEOF_DCTELEM - add rdi, byte 32*SIZEOF_JCOEF - dec rax - jnz near .quantloop - - 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 |