diff options
Diffstat (limited to 'media/libjpeg/simd/jquantf-sse2-64.asm')
| -rw-r--r-- | media/libjpeg/simd/jquantf-sse2-64.asm | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/media/libjpeg/simd/jquantf-sse2-64.asm b/media/libjpeg/simd/jquantf-sse2-64.asm deleted file mode 100644 index ef5c1f959e..0000000000 --- a/media/libjpeg/simd/jquantf-sse2-64.asm +++ /dev/null @@ -1,157 +0,0 @@ -; -; jquantf.asm - sample data conversion and quantization (64-bit SSE & 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_float_sse2 (JSAMPARRAY sample_data, JDIMENSION start_col, -; FAST_FLOAT *workspace); -; - -; r10 = JSAMPARRAY sample_data -; r11 = JDIMENSION start_col -; r12 = FAST_FLOAT *workspace - - align 16 - global EXTN(jsimd_convsamp_float_sse2) - -EXTN(jsimd_convsamp_float_sse2): - push rbp - mov rax,rsp - mov rbp,rsp - collect_args - push rbx - - pcmpeqw xmm7,xmm7 - psllw xmm7,7 - packsswb xmm7,xmm7 ; xmm7 = PB_CENTERJSAMPLE (0x808080..) - - mov rsi, r10 - mov eax, r11d - mov rdi, r12 - mov rcx, DCTSIZE/2 -.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] - movq xmm1, XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE] - - psubb xmm0,xmm7 ; xmm0=(01234567) - psubb xmm1,xmm7 ; xmm1=(89ABCDEF) - - punpcklbw xmm0,xmm0 ; xmm0=(*0*1*2*3*4*5*6*7) - punpcklbw xmm1,xmm1 ; xmm1=(*8*9*A*B*C*D*E*F) - - punpcklwd xmm2,xmm0 ; xmm2=(***0***1***2***3) - punpckhwd xmm0,xmm0 ; xmm0=(***4***5***6***7) - punpcklwd xmm3,xmm1 ; xmm3=(***8***9***A***B) - punpckhwd xmm1,xmm1 ; xmm1=(***C***D***E***F) - - psrad xmm2,(DWORD_BIT-BYTE_BIT) ; xmm2=(0123) - psrad xmm0,(DWORD_BIT-BYTE_BIT) ; xmm0=(4567) - cvtdq2ps xmm2,xmm2 ; xmm2=(0123) - cvtdq2ps xmm0,xmm0 ; xmm0=(4567) - psrad xmm3,(DWORD_BIT-BYTE_BIT) ; xmm3=(89AB) - psrad xmm1,(DWORD_BIT-BYTE_BIT) ; xmm1=(CDEF) - cvtdq2ps xmm3,xmm3 ; xmm3=(89AB) - cvtdq2ps xmm1,xmm1 ; xmm1=(CDEF) - - movaps XMMWORD [XMMBLOCK(0,0,rdi,SIZEOF_FAST_FLOAT)], xmm2 - movaps XMMWORD [XMMBLOCK(0,1,rdi,SIZEOF_FAST_FLOAT)], xmm0 - movaps XMMWORD [XMMBLOCK(1,0,rdi,SIZEOF_FAST_FLOAT)], xmm3 - movaps XMMWORD [XMMBLOCK(1,1,rdi,SIZEOF_FAST_FLOAT)], xmm1 - - add rsi, byte 2*SIZEOF_JSAMPROW - add rdi, byte 2*DCTSIZE*SIZEOF_FAST_FLOAT - dec rcx - jnz short .convloop - - pop rbx - uncollect_args - pop rbp - ret - - -; -------------------------------------------------------------------------- -; -; Quantize/descale the coefficients, and store into coef_block -; -; GLOBAL(void) -; jsimd_quantize_float_sse2 (JCOEFPTR coef_block, FAST_FLOAT *divisors, -; FAST_FLOAT *workspace); -; - -; r10 = JCOEFPTR coef_block -; r11 = FAST_FLOAT *divisors -; r12 = FAST_FLOAT *workspace - - align 16 - global EXTN(jsimd_quantize_float_sse2) - -EXTN(jsimd_quantize_float_sse2): - push rbp - mov rax,rsp - mov rbp,rsp - collect_args - - mov rsi, r12 - mov rdx, r11 - mov rdi, r10 - mov rax, DCTSIZE2/16 -.quantloop: - movaps xmm0, XMMWORD [XMMBLOCK(0,0,rsi,SIZEOF_FAST_FLOAT)] - movaps xmm1, XMMWORD [XMMBLOCK(0,1,rsi,SIZEOF_FAST_FLOAT)] - mulps xmm0, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_FAST_FLOAT)] - mulps xmm1, XMMWORD [XMMBLOCK(0,1,rdx,SIZEOF_FAST_FLOAT)] - movaps xmm2, XMMWORD [XMMBLOCK(1,0,rsi,SIZEOF_FAST_FLOAT)] - movaps xmm3, XMMWORD [XMMBLOCK(1,1,rsi,SIZEOF_FAST_FLOAT)] - mulps xmm2, XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_FAST_FLOAT)] - mulps xmm3, XMMWORD [XMMBLOCK(1,1,rdx,SIZEOF_FAST_FLOAT)] - - cvtps2dq xmm0,xmm0 - cvtps2dq xmm1,xmm1 - cvtps2dq xmm2,xmm2 - cvtps2dq xmm3,xmm3 - - packssdw xmm0,xmm1 - packssdw xmm2,xmm3 - - movdqa XMMWORD [XMMBLOCK(0,0,rdi,SIZEOF_JCOEF)], xmm0 - movdqa XMMWORD [XMMBLOCK(1,0,rdi,SIZEOF_JCOEF)], xmm2 - - add rsi, byte 16*SIZEOF_FAST_FLOAT - add rdx, byte 16*SIZEOF_FAST_FLOAT - add rdi, byte 16*SIZEOF_JCOEF - dec rax - jnz short .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 |