diff options
Diffstat (limited to 'media/libjpeg/simd/jquantf-sse2.asm')
| -rw-r--r-- | media/libjpeg/simd/jquantf-sse2.asm | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/media/libjpeg/simd/jquantf-sse2.asm b/media/libjpeg/simd/jquantf-sse2.asm deleted file mode 100644 index 1cbc267400..0000000000 --- a/media/libjpeg/simd/jquantf-sse2.asm +++ /dev/null @@ -1,170 +0,0 @@ -; -; jquantf.asm - sample data conversion and quantization (SSE & 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" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Load data into workspace, applying unsigned->signed conversion -; -; GLOBAL(void) -; jsimd_convsamp_float_sse2 (JSAMPARRAY sample_data, JDIMENSION start_col, -; FAST_FLOAT *workspace); -; - -%define sample_data ebp+8 ; JSAMPARRAY sample_data -%define start_col ebp+12 ; JDIMENSION start_col -%define workspace ebp+16 ; FAST_FLOAT *workspace - - align 16 - global EXTN(jsimd_convsamp_float_sse2) - -EXTN(jsimd_convsamp_float_sse2): - push ebp - mov ebp,esp - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - pcmpeqw xmm7,xmm7 - psllw xmm7,7 - packsswb xmm7,xmm7 ; xmm7 = PB_CENTERJSAMPLE (0x808080..) - - mov esi, JSAMPARRAY [sample_data] ; (JSAMPROW *) - mov eax, JDIMENSION [start_col] - mov edi, POINTER [workspace] ; (DCTELEM *) - mov ecx, DCTSIZE/2 - alignx 16,7 -.convloop: - mov ebx, JSAMPROW [esi+0*SIZEOF_JSAMPROW] ; (JSAMPLE *) - mov edx, JSAMPROW [esi+1*SIZEOF_JSAMPROW] ; (JSAMPLE *) - - movq xmm0, XMM_MMWORD [ebx+eax*SIZEOF_JSAMPLE] - movq xmm1, XMM_MMWORD [edx+eax*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,edi,SIZEOF_FAST_FLOAT)], xmm2 - movaps XMMWORD [XMMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], xmm0 - movaps XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], xmm3 - movaps XMMWORD [XMMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], xmm1 - - add esi, byte 2*SIZEOF_JSAMPROW - add edi, byte 2*DCTSIZE*SIZEOF_FAST_FLOAT - dec ecx - jnz short .convloop - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - pop ebp - 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); -; - -%define coef_block ebp+8 ; JCOEFPTR coef_block -%define divisors ebp+12 ; FAST_FLOAT *divisors -%define workspace ebp+16 ; FAST_FLOAT *workspace - - align 16 - global EXTN(jsimd_quantize_float_sse2) - -EXTN(jsimd_quantize_float_sse2): - push ebp - mov ebp,esp -; push ebx ; unused -; push ecx ; unused -; push edx ; need not be preserved - push esi - push edi - - mov esi, POINTER [workspace] - mov edx, POINTER [divisors] - mov edi, JCOEFPTR [coef_block] - mov eax, DCTSIZE2/16 - alignx 16,7 -.quantloop: - movaps xmm0, XMMWORD [XMMBLOCK(0,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm1, XMMWORD [XMMBLOCK(0,1,esi,SIZEOF_FAST_FLOAT)] - mulps xmm0, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)] - mulps xmm1, XMMWORD [XMMBLOCK(0,1,edx,SIZEOF_FAST_FLOAT)] - movaps xmm2, XMMWORD [XMMBLOCK(1,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm3, XMMWORD [XMMBLOCK(1,1,esi,SIZEOF_FAST_FLOAT)] - mulps xmm2, XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)] - mulps xmm3, XMMWORD [XMMBLOCK(1,1,edx,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,edi,SIZEOF_JCOEF)], xmm0 - movdqa XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_JCOEF)], xmm2 - - add esi, byte 16*SIZEOF_FAST_FLOAT - add edx, byte 16*SIZEOF_FAST_FLOAT - add edi, byte 16*SIZEOF_JCOEF - dec eax - jnz short .quantloop - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; unused -; pop ebx ; unused - 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 |