diff options
Diffstat (limited to 'media/libjpeg/simd/jfdctflt-3dn.asm')
-rw-r--r-- | media/libjpeg/simd/jfdctflt-3dn.asm | 319 |
1 files changed, 319 insertions, 0 deletions
diff --git a/media/libjpeg/simd/jfdctflt-3dn.asm b/media/libjpeg/simd/jfdctflt-3dn.asm new file mode 100644 index 000000000..219161819 --- /dev/null +++ b/media/libjpeg/simd/jfdctflt-3dn.asm @@ -0,0 +1,319 @@ +; +; jfdctflt.asm - floating-point FDCT (3DNow!) +; +; 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 +; +; This file contains a floating-point implementation of the forward DCT +; (Discrete Cosine Transform). The following code is based directly on +; the IJG's original jfdctflt.c; see the jfdctflt.c for more details. +; +; [TAB8] + +%include "jsimdext.inc" +%include "jdct.inc" + +; -------------------------------------------------------------------------- + SECTION SEG_CONST + + alignz 16 + global EXTN(jconst_fdct_float_3dnow) + +EXTN(jconst_fdct_float_3dnow): + +PD_0_382 times 2 dd 0.382683432365089771728460 +PD_0_707 times 2 dd 0.707106781186547524400844 +PD_0_541 times 2 dd 0.541196100146196984399723 +PD_1_306 times 2 dd 1.306562964876376527856643 + + alignz 16 + +; -------------------------------------------------------------------------- + SECTION SEG_TEXT + BITS 32 +; +; Perform the forward DCT on one block of samples. +; +; GLOBAL(void) +; jsimd_fdct_float_3dnow (FAST_FLOAT *data) +; + +%define data(b) (b)+8 ; FAST_FLOAT *data + +%define original_ebp ebp+0 +%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM] +%define WK_NUM 2 + + align 16 + global EXTN(jsimd_fdct_float_3dnow) + +EXTN(jsimd_fdct_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, [wk(0)] + pushpic ebx +; push ecx ; need not be preserved +; push edx ; need not be preserved +; push esi ; unused +; push edi ; unused + + get_GOT ebx ; get GOT address + + ; ---- Pass 1: process rows. + + mov edx, POINTER [data(eax)] ; (FAST_FLOAT *) + mov ecx, DCTSIZE/2 + alignx 16,7 +.rowloop: + + movq mm0, MMWORD [MMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)] + movq mm1, MMWORD [MMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)] + movq mm2, MMWORD [MMBLOCK(0,3,edx,SIZEOF_FAST_FLOAT)] + movq mm3, MMWORD [MMBLOCK(1,3,edx,SIZEOF_FAST_FLOAT)] + + ; mm0=(00 01), mm1=(10 11), mm2=(06 07), mm3=(16 17) + + movq mm4,mm0 ; transpose coefficients + punpckldq mm0,mm1 ; mm0=(00 10)=data0 + punpckhdq mm4,mm1 ; mm4=(01 11)=data1 + movq mm5,mm2 ; transpose coefficients + punpckldq mm2,mm3 ; mm2=(06 16)=data6 + punpckhdq mm5,mm3 ; mm5=(07 17)=data7 + + movq mm6,mm4 + movq mm7,mm0 + pfsub mm4,mm2 ; mm4=data1-data6=tmp6 + pfsub mm0,mm5 ; mm0=data0-data7=tmp7 + pfadd mm6,mm2 ; mm6=data1+data6=tmp1 + pfadd mm7,mm5 ; mm7=data0+data7=tmp0 + + movq mm1, MMWORD [MMBLOCK(0,1,edx,SIZEOF_FAST_FLOAT)] + movq mm3, MMWORD [MMBLOCK(1,1,edx,SIZEOF_FAST_FLOAT)] + movq mm2, MMWORD [MMBLOCK(0,2,edx,SIZEOF_FAST_FLOAT)] + movq mm5, MMWORD [MMBLOCK(1,2,edx,SIZEOF_FAST_FLOAT)] + + ; mm1=(02 03), mm3=(12 13), mm2=(04 05), mm5=(14 15) + + movq MMWORD [wk(0)], mm4 ; wk(0)=tmp6 + movq MMWORD [wk(1)], mm0 ; wk(1)=tmp7 + + movq mm4,mm1 ; transpose coefficients + punpckldq mm1,mm3 ; mm1=(02 12)=data2 + punpckhdq mm4,mm3 ; mm4=(03 13)=data3 + movq mm0,mm2 ; transpose coefficients + punpckldq mm2,mm5 ; mm2=(04 14)=data4 + punpckhdq mm0,mm5 ; mm0=(05 15)=data5 + + movq mm3,mm4 + movq mm5,mm1 + pfadd mm4,mm2 ; mm4=data3+data4=tmp3 + pfadd mm1,mm0 ; mm1=data2+data5=tmp2 + pfsub mm3,mm2 ; mm3=data3-data4=tmp4 + pfsub mm5,mm0 ; mm5=data2-data5=tmp5 + + ; -- Even part + + movq mm2,mm7 + movq mm0,mm6 + pfsub mm7,mm4 ; mm7=tmp13 + pfsub mm6,mm1 ; mm6=tmp12 + pfadd mm2,mm4 ; mm2=tmp10 + pfadd mm0,mm1 ; mm0=tmp11 + + pfadd mm6,mm7 + pfmul mm6,[GOTOFF(ebx,PD_0_707)] ; mm6=z1 + + movq mm4,mm2 + movq mm1,mm7 + pfsub mm2,mm0 ; mm2=data4 + pfsub mm7,mm6 ; mm7=data6 + pfadd mm4,mm0 ; mm4=data0 + pfadd mm1,mm6 ; mm1=data2 + + movq MMWORD [MMBLOCK(0,2,edx,SIZEOF_FAST_FLOAT)], mm2 + movq MMWORD [MMBLOCK(0,3,edx,SIZEOF_FAST_FLOAT)], mm7 + movq MMWORD [MMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)], mm4 + movq MMWORD [MMBLOCK(0,1,edx,SIZEOF_FAST_FLOAT)], mm1 + + ; -- Odd part + + movq mm0, MMWORD [wk(0)] ; mm0=tmp6 + movq mm6, MMWORD [wk(1)] ; mm6=tmp7 + + pfadd mm3,mm5 ; mm3=tmp10 + pfadd mm5,mm0 ; mm5=tmp11 + pfadd mm0,mm6 ; mm0=tmp12, mm6=tmp7 + + pfmul mm5,[GOTOFF(ebx,PD_0_707)] ; mm5=z3 + + movq mm2,mm3 ; mm2=tmp10 + pfsub mm3,mm0 + pfmul mm3,[GOTOFF(ebx,PD_0_382)] ; mm3=z5 + pfmul mm2,[GOTOFF(ebx,PD_0_541)] ; mm2=MULTIPLY(tmp10,FIX_0_54119610) + pfmul mm0,[GOTOFF(ebx,PD_1_306)] ; mm0=MULTIPLY(tmp12,FIX_1_30656296) + pfadd mm2,mm3 ; mm2=z2 + pfadd mm0,mm3 ; mm0=z4 + + movq mm7,mm6 + pfsub mm6,mm5 ; mm6=z13 + pfadd mm7,mm5 ; mm7=z11 + + movq mm4,mm6 + movq mm1,mm7 + pfsub mm6,mm2 ; mm6=data3 + pfsub mm7,mm0 ; mm7=data7 + pfadd mm4,mm2 ; mm4=data5 + pfadd mm1,mm0 ; mm1=data1 + + movq MMWORD [MMBLOCK(1,1,edx,SIZEOF_FAST_FLOAT)], mm6 + movq MMWORD [MMBLOCK(1,3,edx,SIZEOF_FAST_FLOAT)], mm7 + movq MMWORD [MMBLOCK(1,2,edx,SIZEOF_FAST_FLOAT)], mm4 + movq MMWORD [MMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)], mm1 + + add edx, byte 2*DCTSIZE*SIZEOF_FAST_FLOAT + dec ecx + jnz near .rowloop + + ; ---- Pass 2: process columns. + + mov edx, POINTER [data(eax)] ; (FAST_FLOAT *) + mov ecx, DCTSIZE/2 + alignx 16,7 +.columnloop: + + movq mm0, MMWORD [MMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)] + movq mm1, MMWORD [MMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)] + movq mm2, MMWORD [MMBLOCK(6,0,edx,SIZEOF_FAST_FLOAT)] + movq mm3, MMWORD [MMBLOCK(7,0,edx,SIZEOF_FAST_FLOAT)] + + ; mm0=(00 10), mm1=(01 11), mm2=(60 70), mm3=(61 71) + + movq mm4,mm0 ; transpose coefficients + punpckldq mm0,mm1 ; mm0=(00 01)=data0 + punpckhdq mm4,mm1 ; mm4=(10 11)=data1 + movq mm5,mm2 ; transpose coefficients + punpckldq mm2,mm3 ; mm2=(60 61)=data6 + punpckhdq mm5,mm3 ; mm5=(70 71)=data7 + + movq mm6,mm4 + movq mm7,mm0 + pfsub mm4,mm2 ; mm4=data1-data6=tmp6 + pfsub mm0,mm5 ; mm0=data0-data7=tmp7 + pfadd mm6,mm2 ; mm6=data1+data6=tmp1 + pfadd mm7,mm5 ; mm7=data0+data7=tmp0 + + movq mm1, MMWORD [MMBLOCK(2,0,edx,SIZEOF_FAST_FLOAT)] + movq mm3, MMWORD [MMBLOCK(3,0,edx,SIZEOF_FAST_FLOAT)] + movq mm2, MMWORD [MMBLOCK(4,0,edx,SIZEOF_FAST_FLOAT)] + movq mm5, MMWORD [MMBLOCK(5,0,edx,SIZEOF_FAST_FLOAT)] + + ; mm1=(20 30), mm3=(21 31), mm2=(40 50), mm5=(41 51) + + movq MMWORD [wk(0)], mm4 ; wk(0)=tmp6 + movq MMWORD [wk(1)], mm0 ; wk(1)=tmp7 + + movq mm4,mm1 ; transpose coefficients + punpckldq mm1,mm3 ; mm1=(20 21)=data2 + punpckhdq mm4,mm3 ; mm4=(30 31)=data3 + movq mm0,mm2 ; transpose coefficients + punpckldq mm2,mm5 ; mm2=(40 41)=data4 + punpckhdq mm0,mm5 ; mm0=(50 51)=data5 + + movq mm3,mm4 + movq mm5,mm1 + pfadd mm4,mm2 ; mm4=data3+data4=tmp3 + pfadd mm1,mm0 ; mm1=data2+data5=tmp2 + pfsub mm3,mm2 ; mm3=data3-data4=tmp4 + pfsub mm5,mm0 ; mm5=data2-data5=tmp5 + + ; -- Even part + + movq mm2,mm7 + movq mm0,mm6 + pfsub mm7,mm4 ; mm7=tmp13 + pfsub mm6,mm1 ; mm6=tmp12 + pfadd mm2,mm4 ; mm2=tmp10 + pfadd mm0,mm1 ; mm0=tmp11 + + pfadd mm6,mm7 + pfmul mm6,[GOTOFF(ebx,PD_0_707)] ; mm6=z1 + + movq mm4,mm2 + movq mm1,mm7 + pfsub mm2,mm0 ; mm2=data4 + pfsub mm7,mm6 ; mm7=data6 + pfadd mm4,mm0 ; mm4=data0 + pfadd mm1,mm6 ; mm1=data2 + + movq MMWORD [MMBLOCK(4,0,edx,SIZEOF_FAST_FLOAT)], mm2 + movq MMWORD [MMBLOCK(6,0,edx,SIZEOF_FAST_FLOAT)], mm7 + movq MMWORD [MMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)], mm4 + movq MMWORD [MMBLOCK(2,0,edx,SIZEOF_FAST_FLOAT)], mm1 + + ; -- Odd part + + movq mm0, MMWORD [wk(0)] ; mm0=tmp6 + movq mm6, MMWORD [wk(1)] ; mm6=tmp7 + + pfadd mm3,mm5 ; mm3=tmp10 + pfadd mm5,mm0 ; mm5=tmp11 + pfadd mm0,mm6 ; mm0=tmp12, mm6=tmp7 + + pfmul mm5,[GOTOFF(ebx,PD_0_707)] ; mm5=z3 + + movq mm2,mm3 ; mm2=tmp10 + pfsub mm3,mm0 + pfmul mm3,[GOTOFF(ebx,PD_0_382)] ; mm3=z5 + pfmul mm2,[GOTOFF(ebx,PD_0_541)] ; mm2=MULTIPLY(tmp10,FIX_0_54119610) + pfmul mm0,[GOTOFF(ebx,PD_1_306)] ; mm0=MULTIPLY(tmp12,FIX_1_30656296) + pfadd mm2,mm3 ; mm2=z2 + pfadd mm0,mm3 ; mm0=z4 + + movq mm7,mm6 + pfsub mm6,mm5 ; mm6=z13 + pfadd mm7,mm5 ; mm7=z11 + + movq mm4,mm6 + movq mm1,mm7 + pfsub mm6,mm2 ; mm6=data3 + pfsub mm7,mm0 ; mm7=data7 + pfadd mm4,mm2 ; mm4=data5 + pfadd mm1,mm0 ; mm1=data1 + + movq MMWORD [MMBLOCK(3,0,edx,SIZEOF_FAST_FLOAT)], mm6 + movq MMWORD [MMBLOCK(7,0,edx,SIZEOF_FAST_FLOAT)], mm7 + movq MMWORD [MMBLOCK(5,0,edx,SIZEOF_FAST_FLOAT)], mm4 + movq MMWORD [MMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)], mm1 + + add edx, byte 2*SIZEOF_FAST_FLOAT + dec ecx + jnz near .columnloop + + femms ; empty MMX/3DNow! state + +; pop edi ; unused +; pop esi ; unused +; pop edx ; need not be preserved +; pop ecx ; need not be preserved + poppic 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 16 |