diff options
Diffstat (limited to 'media/libjpeg/simd/i386/jidctflt-3dn.asm')
-rw-r--r-- | media/libjpeg/simd/i386/jidctflt-3dn.asm | 451 |
1 files changed, 451 insertions, 0 deletions
diff --git a/media/libjpeg/simd/i386/jidctflt-3dn.asm b/media/libjpeg/simd/i386/jidctflt-3dn.asm new file mode 100644 index 0000000000..87951910d8 --- /dev/null +++ b/media/libjpeg/simd/i386/jidctflt-3dn.asm @@ -0,0 +1,451 @@ +; +; jidctflt.asm - floating-point IDCT (3DNow! & MMX) +; +; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB +; Copyright (C) 2016, 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 +; +; This file contains a floating-point implementation of the inverse DCT +; (Discrete Cosine Transform). The following code is based directly on +; the IJG's original jidctflt.c; see the jidctflt.c for more details. + +%include "jsimdext.inc" +%include "jdct.inc" + +; -------------------------------------------------------------------------- + SECTION SEG_CONST + + alignz 32 + GLOBAL_DATA(jconst_idct_float_3dnow) + +EXTN(jconst_idct_float_3dnow): + +PD_1_414 times 2 dd 1.414213562373095048801689 +PD_1_847 times 2 dd 1.847759065022573512256366 +PD_1_082 times 2 dd 1.082392200292393968799446 +PD_2_613 times 2 dd 2.613125929752753055713286 +PD_RNDINT_MAGIC times 2 dd 100663296.0 ; (float)(0x00C00000 << 3) +PB_CENTERJSAMP times 8 db CENTERJSAMPLE + + alignz 32 + +; -------------------------------------------------------------------------- + SECTION SEG_TEXT + BITS 32 +; +; Perform dequantization and inverse DCT on one block of coefficients. +; +; GLOBAL(void) +; jsimd_idct_float_3dnow(void *dct_table, JCOEFPTR coef_block, +; JSAMPARRAY output_buf, JDIMENSION output_col) +; + +%define dct_table(b) (b) + 8 ; void *dct_table +%define coef_block(b) (b) + 12 ; JCOEFPTR coef_block +%define output_buf(b) (b) + 16 ; JSAMPARRAY output_buf +%define output_col(b) (b) + 20 ; JDIMENSION output_col + +%define original_ebp ebp + 0 +%define wk(i) ebp - (WK_NUM - (i)) * SIZEOF_MMWORD + ; mmword wk[WK_NUM] +%define WK_NUM 2 +%define workspace wk(0) - DCTSIZE2 * SIZEOF_FAST_FLOAT + ; FAST_FLOAT workspace[DCTSIZE2] + + align 32 + GLOBAL_FUNCTION(jsimd_idct_float_3dnow) + +EXTN(jsimd_idct_float_3dnow): + push ebp + mov eax, esp ; eax = original ebp + sub esp, byte 4 + and esp, byte (-SIZEOF_MMWORD) ; align to 64 bits + mov [esp], eax + mov ebp, esp ; ebp = aligned ebp + lea esp, [workspace] + push ebx +; push ecx ; need not be preserved +; push edx ; need not be preserved + push esi + push edi + + get_GOT ebx ; get GOT address + + ; ---- Pass 1: process columns from input, store into work array. + +; mov eax, [original_ebp] + mov edx, POINTER [dct_table(eax)] ; quantptr + mov esi, JCOEFPTR [coef_block(eax)] ; inptr + lea edi, [workspace] ; FAST_FLOAT *wsptr + mov ecx, DCTSIZE/2 ; ctr + alignx 16, 7 +.columnloop: +%ifndef NO_ZERO_COLUMN_TEST_FLOAT_3DNOW + mov eax, dword [DWBLOCK(1,0,esi,SIZEOF_JCOEF)] + or eax, dword [DWBLOCK(2,0,esi,SIZEOF_JCOEF)] + jnz short .columnDCT + + pushpic ebx ; save GOT address + mov ebx, dword [DWBLOCK(3,0,esi,SIZEOF_JCOEF)] + mov eax, dword [DWBLOCK(4,0,esi,SIZEOF_JCOEF)] + or ebx, dword [DWBLOCK(5,0,esi,SIZEOF_JCOEF)] + or eax, dword [DWBLOCK(6,0,esi,SIZEOF_JCOEF)] + or ebx, dword [DWBLOCK(7,0,esi,SIZEOF_JCOEF)] + or eax, ebx + poppic ebx ; restore GOT address + jnz short .columnDCT + + ; -- AC terms all zero + + movd mm0, dword [DWBLOCK(0,0,esi,SIZEOF_JCOEF)] + + punpcklwd mm0, mm0 + psrad mm0, (DWORD_BIT-WORD_BIT) + pi2fd mm0, mm0 + + pfmul mm0, MMWORD [MMBLOCK(0,0,edx,SIZEOF_FLOAT_MULT_TYPE)] + + movq mm1, mm0 + punpckldq mm0, mm0 + punpckhdq mm1, mm1 + + movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_FAST_FLOAT)], mm0 + movq MMWORD [MMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], mm0 + movq MMWORD [MMBLOCK(0,2,edi,SIZEOF_FAST_FLOAT)], mm0 + movq MMWORD [MMBLOCK(0,3,edi,SIZEOF_FAST_FLOAT)], mm0 + movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], mm1 + movq MMWORD [MMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], mm1 + movq MMWORD [MMBLOCK(1,2,edi,SIZEOF_FAST_FLOAT)], mm1 + movq MMWORD [MMBLOCK(1,3,edi,SIZEOF_FAST_FLOAT)], mm1 + jmp near .nextcolumn + alignx 16, 7 +%endif +.columnDCT: + + ; -- Even part + + movd mm0, dword [DWBLOCK(0,0,esi,SIZEOF_JCOEF)] + movd mm1, dword [DWBLOCK(2,0,esi,SIZEOF_JCOEF)] + movd mm2, dword [DWBLOCK(4,0,esi,SIZEOF_JCOEF)] + movd mm3, dword [DWBLOCK(6,0,esi,SIZEOF_JCOEF)] + + punpcklwd mm0, mm0 + punpcklwd mm1, mm1 + psrad mm0, (DWORD_BIT-WORD_BIT) + psrad mm1, (DWORD_BIT-WORD_BIT) + pi2fd mm0, mm0 + pi2fd mm1, mm1 + + pfmul mm0, MMWORD [MMBLOCK(0,0,edx,SIZEOF_FLOAT_MULT_TYPE)] + pfmul mm1, MMWORD [MMBLOCK(2,0,edx,SIZEOF_FLOAT_MULT_TYPE)] + + punpcklwd mm2, mm2 + punpcklwd mm3, mm3 + psrad mm2, (DWORD_BIT-WORD_BIT) + psrad mm3, (DWORD_BIT-WORD_BIT) + pi2fd mm2, mm2 + pi2fd mm3, mm3 + + pfmul mm2, MMWORD [MMBLOCK(4,0,edx,SIZEOF_FLOAT_MULT_TYPE)] + pfmul mm3, MMWORD [MMBLOCK(6,0,edx,SIZEOF_FLOAT_MULT_TYPE)] + + movq mm4, mm0 + movq mm5, mm1 + pfsub mm0, mm2 ; mm0=tmp11 + pfsub mm1, mm3 + pfadd mm4, mm2 ; mm4=tmp10 + pfadd mm5, mm3 ; mm5=tmp13 + + pfmul mm1, [GOTOFF(ebx,PD_1_414)] + pfsub mm1, mm5 ; mm1=tmp12 + + movq mm6, mm4 + movq mm7, mm0 + pfsub mm4, mm5 ; mm4=tmp3 + pfsub mm0, mm1 ; mm0=tmp2 + pfadd mm6, mm5 ; mm6=tmp0 + pfadd mm7, mm1 ; mm7=tmp1 + + movq MMWORD [wk(1)], mm4 ; tmp3 + movq MMWORD [wk(0)], mm0 ; tmp2 + + ; -- Odd part + + movd mm2, dword [DWBLOCK(1,0,esi,SIZEOF_JCOEF)] + movd mm3, dword [DWBLOCK(3,0,esi,SIZEOF_JCOEF)] + movd mm5, dword [DWBLOCK(5,0,esi,SIZEOF_JCOEF)] + movd mm1, dword [DWBLOCK(7,0,esi,SIZEOF_JCOEF)] + + punpcklwd mm2, mm2 + punpcklwd mm3, mm3 + psrad mm2, (DWORD_BIT-WORD_BIT) + psrad mm3, (DWORD_BIT-WORD_BIT) + pi2fd mm2, mm2 + pi2fd mm3, mm3 + + pfmul mm2, MMWORD [MMBLOCK(1,0,edx,SIZEOF_FLOAT_MULT_TYPE)] + pfmul mm3, MMWORD [MMBLOCK(3,0,edx,SIZEOF_FLOAT_MULT_TYPE)] + + punpcklwd mm5, mm5 + punpcklwd mm1, mm1 + psrad mm5, (DWORD_BIT-WORD_BIT) + psrad mm1, (DWORD_BIT-WORD_BIT) + pi2fd mm5, mm5 + pi2fd mm1, mm1 + + pfmul mm5, MMWORD [MMBLOCK(5,0,edx,SIZEOF_FLOAT_MULT_TYPE)] + pfmul mm1, MMWORD [MMBLOCK(7,0,edx,SIZEOF_FLOAT_MULT_TYPE)] + + movq mm4, mm2 + movq mm0, mm5 + pfadd mm2, mm1 ; mm2=z11 + pfadd mm5, mm3 ; mm5=z13 + pfsub mm4, mm1 ; mm4=z12 + pfsub mm0, mm3 ; mm0=z10 + + movq mm1, mm2 + pfsub mm2, mm5 + pfadd mm1, mm5 ; mm1=tmp7 + + pfmul mm2, [GOTOFF(ebx,PD_1_414)] ; mm2=tmp11 + + movq mm3, mm0 + pfadd mm0, mm4 + pfmul mm0, [GOTOFF(ebx,PD_1_847)] ; mm0=z5 + pfmul mm3, [GOTOFF(ebx,PD_2_613)] ; mm3=(z10 * 2.613125930) + pfmul mm4, [GOTOFF(ebx,PD_1_082)] ; mm4=(z12 * 1.082392200) + pfsubr mm3, mm0 ; mm3=tmp12 + pfsub mm4, mm0 ; mm4=tmp10 + + ; -- Final output stage + + pfsub mm3, mm1 ; mm3=tmp6 + movq mm5, mm6 + movq mm0, mm7 + pfadd mm6, mm1 ; mm6=data0=(00 01) + pfadd mm7, mm3 ; mm7=data1=(10 11) + pfsub mm5, mm1 ; mm5=data7=(70 71) + pfsub mm0, mm3 ; mm0=data6=(60 61) + pfsub mm2, mm3 ; mm2=tmp5 + + movq mm1, mm6 ; transpose coefficients + punpckldq mm6, mm7 ; mm6=(00 10) + punpckhdq mm1, mm7 ; mm1=(01 11) + movq mm3, mm0 ; transpose coefficients + punpckldq mm0, mm5 ; mm0=(60 70) + punpckhdq mm3, mm5 ; mm3=(61 71) + + movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_FAST_FLOAT)], mm6 + movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], mm1 + movq MMWORD [MMBLOCK(0,3,edi,SIZEOF_FAST_FLOAT)], mm0 + movq MMWORD [MMBLOCK(1,3,edi,SIZEOF_FAST_FLOAT)], mm3 + + movq mm7, MMWORD [wk(0)] ; mm7=tmp2 + movq mm5, MMWORD [wk(1)] ; mm5=tmp3 + + pfadd mm4, mm2 ; mm4=tmp4 + movq mm6, mm7 + movq mm1, mm5 + pfadd mm7, mm2 ; mm7=data2=(20 21) + pfadd mm5, mm4 ; mm5=data4=(40 41) + pfsub mm6, mm2 ; mm6=data5=(50 51) + pfsub mm1, mm4 ; mm1=data3=(30 31) + + movq mm0, mm7 ; transpose coefficients + punpckldq mm7, mm1 ; mm7=(20 30) + punpckhdq mm0, mm1 ; mm0=(21 31) + movq mm3, mm5 ; transpose coefficients + punpckldq mm5, mm6 ; mm5=(40 50) + punpckhdq mm3, mm6 ; mm3=(41 51) + + movq MMWORD [MMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], mm7 + movq MMWORD [MMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], mm0 + movq MMWORD [MMBLOCK(0,2,edi,SIZEOF_FAST_FLOAT)], mm5 + movq MMWORD [MMBLOCK(1,2,edi,SIZEOF_FAST_FLOAT)], mm3 + +.nextcolumn: + add esi, byte 2*SIZEOF_JCOEF ; coef_block + add edx, byte 2*SIZEOF_FLOAT_MULT_TYPE ; quantptr + add edi, byte 2*DCTSIZE*SIZEOF_FAST_FLOAT ; wsptr + dec ecx ; ctr + jnz near .columnloop + + ; -- Prefetch the next coefficient block + + prefetch [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 0*32] + prefetch [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 1*32] + prefetch [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 2*32] + prefetch [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 3*32] + + ; ---- Pass 2: process rows from work array, store into output array. + + mov eax, [original_ebp] + lea esi, [workspace] ; FAST_FLOAT *wsptr + mov edi, JSAMPARRAY [output_buf(eax)] ; (JSAMPROW *) + mov eax, JDIMENSION [output_col(eax)] + mov ecx, DCTSIZE/2 ; ctr + alignx 16, 7 +.rowloop: + + ; -- Even part + + movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_FAST_FLOAT)] + movq mm1, MMWORD [MMBLOCK(2,0,esi,SIZEOF_FAST_FLOAT)] + movq mm2, MMWORD [MMBLOCK(4,0,esi,SIZEOF_FAST_FLOAT)] + movq mm3, MMWORD [MMBLOCK(6,0,esi,SIZEOF_FAST_FLOAT)] + + movq mm4, mm0 + movq mm5, mm1 + pfsub mm0, mm2 ; mm0=tmp11 + pfsub mm1, mm3 + pfadd mm4, mm2 ; mm4=tmp10 + pfadd mm5, mm3 ; mm5=tmp13 + + pfmul mm1, [GOTOFF(ebx,PD_1_414)] + pfsub mm1, mm5 ; mm1=tmp12 + + movq mm6, mm4 + movq mm7, mm0 + pfsub mm4, mm5 ; mm4=tmp3 + pfsub mm0, mm1 ; mm0=tmp2 + pfadd mm6, mm5 ; mm6=tmp0 + pfadd mm7, mm1 ; mm7=tmp1 + + movq MMWORD [wk(1)], mm4 ; tmp3 + movq MMWORD [wk(0)], mm0 ; tmp2 + + ; -- Odd part + + movq mm2, MMWORD [MMBLOCK(1,0,esi,SIZEOF_FAST_FLOAT)] + movq mm3, MMWORD [MMBLOCK(3,0,esi,SIZEOF_FAST_FLOAT)] + movq mm5, MMWORD [MMBLOCK(5,0,esi,SIZEOF_FAST_FLOAT)] + movq mm1, MMWORD [MMBLOCK(7,0,esi,SIZEOF_FAST_FLOAT)] + + movq mm4, mm2 + movq mm0, mm5 + pfadd mm2, mm1 ; mm2=z11 + pfadd mm5, mm3 ; mm5=z13 + pfsub mm4, mm1 ; mm4=z12 + pfsub mm0, mm3 ; mm0=z10 + + movq mm1, mm2 + pfsub mm2, mm5 + pfadd mm1, mm5 ; mm1=tmp7 + + pfmul mm2, [GOTOFF(ebx,PD_1_414)] ; mm2=tmp11 + + movq mm3, mm0 + pfadd mm0, mm4 + pfmul mm0, [GOTOFF(ebx,PD_1_847)] ; mm0=z5 + pfmul mm3, [GOTOFF(ebx,PD_2_613)] ; mm3=(z10 * 2.613125930) + pfmul mm4, [GOTOFF(ebx,PD_1_082)] ; mm4=(z12 * 1.082392200) + pfsubr mm3, mm0 ; mm3=tmp12 + pfsub mm4, mm0 ; mm4=tmp10 + + ; -- Final output stage + + pfsub mm3, mm1 ; mm3=tmp6 + movq mm5, mm6 + movq mm0, mm7 + pfadd mm6, mm1 ; mm6=data0=(00 10) + pfadd mm7, mm3 ; mm7=data1=(01 11) + pfsub mm5, mm1 ; mm5=data7=(07 17) + pfsub mm0, mm3 ; mm0=data6=(06 16) + pfsub mm2, mm3 ; mm2=tmp5 + + movq mm1, [GOTOFF(ebx,PD_RNDINT_MAGIC)] ; mm1=[PD_RNDINT_MAGIC] + pcmpeqd mm3, mm3 + psrld mm3, WORD_BIT ; mm3={0xFFFF 0x0000 0xFFFF 0x0000} + + pfadd mm6, mm1 ; mm6=roundint(data0/8)=(00 ** 10 **) + pfadd mm7, mm1 ; mm7=roundint(data1/8)=(01 ** 11 **) + pfadd mm0, mm1 ; mm0=roundint(data6/8)=(06 ** 16 **) + pfadd mm5, mm1 ; mm5=roundint(data7/8)=(07 ** 17 **) + + pand mm6, mm3 ; mm6=(00 -- 10 --) + pslld mm7, WORD_BIT ; mm7=(-- 01 -- 11) + pand mm0, mm3 ; mm0=(06 -- 16 --) + pslld mm5, WORD_BIT ; mm5=(-- 07 -- 17) + por mm6, mm7 ; mm6=(00 01 10 11) + por mm0, mm5 ; mm0=(06 07 16 17) + + movq mm1, MMWORD [wk(0)] ; mm1=tmp2 + movq mm3, MMWORD [wk(1)] ; mm3=tmp3 + + pfadd mm4, mm2 ; mm4=tmp4 + movq mm7, mm1 + movq mm5, mm3 + pfadd mm1, mm2 ; mm1=data2=(02 12) + pfadd mm3, mm4 ; mm3=data4=(04 14) + pfsub mm7, mm2 ; mm7=data5=(05 15) + pfsub mm5, mm4 ; mm5=data3=(03 13) + + movq mm2, [GOTOFF(ebx,PD_RNDINT_MAGIC)] ; mm2=[PD_RNDINT_MAGIC] + pcmpeqd mm4, mm4 + psrld mm4, WORD_BIT ; mm4={0xFFFF 0x0000 0xFFFF 0x0000} + + pfadd mm3, mm2 ; mm3=roundint(data4/8)=(04 ** 14 **) + pfadd mm7, mm2 ; mm7=roundint(data5/8)=(05 ** 15 **) + pfadd mm1, mm2 ; mm1=roundint(data2/8)=(02 ** 12 **) + pfadd mm5, mm2 ; mm5=roundint(data3/8)=(03 ** 13 **) + + pand mm3, mm4 ; mm3=(04 -- 14 --) + pslld mm7, WORD_BIT ; mm7=(-- 05 -- 15) + pand mm1, mm4 ; mm1=(02 -- 12 --) + pslld mm5, WORD_BIT ; mm5=(-- 03 -- 13) + por mm3, mm7 ; mm3=(04 05 14 15) + por mm1, mm5 ; mm1=(02 03 12 13) + + movq mm2, [GOTOFF(ebx,PB_CENTERJSAMP)] ; mm2=[PB_CENTERJSAMP] + + packsswb mm6, mm3 ; mm6=(00 01 10 11 04 05 14 15) + packsswb mm1, mm0 ; mm1=(02 03 12 13 06 07 16 17) + paddb mm6, mm2 + paddb mm1, mm2 + + movq mm4, mm6 ; transpose coefficients(phase 2) + punpcklwd mm6, mm1 ; mm6=(00 01 02 03 10 11 12 13) + punpckhwd mm4, mm1 ; mm4=(04 05 06 07 14 15 16 17) + + movq mm7, mm6 ; transpose coefficients(phase 3) + punpckldq mm6, mm4 ; mm6=(00 01 02 03 04 05 06 07) + punpckhdq mm7, mm4 ; mm7=(10 11 12 13 14 15 16 17) + + pushpic ebx ; save GOT address + + mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] + mov ebx, JSAMPROW [edi+1*SIZEOF_JSAMPROW] + movq MMWORD [edx+eax*SIZEOF_JSAMPLE], mm6 + movq MMWORD [ebx+eax*SIZEOF_JSAMPLE], mm7 + + poppic ebx ; restore GOT address + + add esi, byte 2*SIZEOF_FAST_FLOAT ; wsptr + add edi, byte 2*SIZEOF_JSAMPROW + dec ecx ; ctr + jnz near .rowloop + + femms ; empty MMX/3DNow! state + + 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 + +; For some reason, the OS X linker does not honor the request to align the +; segment unless we do this. + align 32 |