simd/jcsammmx.asm simd/jdsammmx.asm simd/jdmermmx.asm \
simd/jcqntmmx.asm simd/jfmmxfst.asm simd/jfmmxint.asm \
simd/jimmxred.asm simd/jimmxint.asm simd/jimmxfst.asm \
- simd/jcqnt3dn.asm simd/jf3dnflt.asm simd/ji3dnflt.asm
+ simd/jcqnt3dn.asm simd/jf3dnflt.asm simd/ji3dnflt.asm \
+ simd/jcqntsse.asm simd/jfsseflt.asm simd/jisseflt.asm
endif
#include "jsimddct.h"
#include "simd/jsimd.h"
+/*
+ * In the PIC cases, we have no guarantee that constants will keep
+ * their alignment. This macro allows us to verify it at runtime.
+ */
+#ifdef WITH_SIMD
+#define IS_ALIGNED(ptr, order) (((unsigned)ptr & ((1 << order) - 1)) == 0)
+#else
+#define IS_ALIGNED(ptr, order) (0)
+#endif
+
+#define IS_ALIGNED_SSE(ptr) (IS_ALIGNED(ptr, 4)) /* 16 byte alignment */
+
static unsigned int simd_support = ~0;
/*
if (sizeof(FAST_FLOAT) != 4)
return 0;
+ if (simd_support & JSIMD_SSE)
+ return 1;
if (simd_support & JSIMD_3DNOW)
return 1;
FAST_FLOAT * workspace)
{
#ifdef WITH_SIMD
- if (simd_support & JSIMD_3DNOW)
+ if (simd_support & JSIMD_SSE)
+ jsimd_convsamp_float_sse(sample_data, start_col, workspace);
+ else if (simd_support & JSIMD_3DNOW)
jsimd_convsamp_float_3dnow(sample_data, start_col, workspace);
#endif
}
if (sizeof(FAST_FLOAT) != 4)
return 0;
+ if ((simd_support & JSIMD_SSE) && IS_ALIGNED_SSE(jconst_fdct_float_sse))
+ return 1;
if (simd_support & JSIMD_3DNOW)
return 1;
jsimd_fdct_float (FAST_FLOAT * data)
{
#ifdef WITH_SIMD
- if (simd_support & JSIMD_3DNOW)
+ if ((simd_support & JSIMD_SSE) && IS_ALIGNED_SSE(jconst_fdct_float_sse))
+ jsimd_fdct_float_sse(data);
+ else if (simd_support & JSIMD_3DNOW)
jsimd_fdct_float_3dnow(data);
#endif
}
if (sizeof(FAST_FLOAT) != 4)
return 0;
+ if (simd_support & JSIMD_SSE)
+ return 1;
if (simd_support & JSIMD_3DNOW)
return 1;
FAST_FLOAT * workspace)
{
#ifdef WITH_SIMD
- if (simd_support & JSIMD_3DNOW)
+ if (simd_support & JSIMD_SSE)
+ jsimd_quantize_float_sse(coef_block, divisors, workspace);
+ else if (simd_support & JSIMD_3DNOW)
jsimd_quantize_float_3dnow(coef_block, divisors, workspace);
#endif
}
if (sizeof(FLOAT_MULT_TYPE) != 4)
return 0;
+ if ((simd_support & JSIMD_SSE) && IS_ALIGNED_SSE(jconst_idct_float_sse))
+ return 1;
if (simd_support & JSIMD_3DNOW)
return 1;
JDIMENSION output_col)
{
#if WITH_SIMD
- if (simd_support & JSIMD_3DNOW)
+ if ((simd_support & JSIMD_SSE) && IS_ALIGNED_SSE(jconst_idct_float_sse))
+ jsimd_idct_float_sse(compptr->dct_table, coef_block,
+ output_buf, output_col);
+ else if (simd_support & JSIMD_3DNOW)
jsimd_idct_float_3dnow(compptr->dct_table, coef_block,
output_buf, output_col);
#endif
--- /dev/null
+;
+; jcqntsse.asm - sample data conversion and quantization (SSE & MMX)
+;
+; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
+;
+; Based on
+; 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 "simd/jsimdext.inc"
+%include "simd/jdct.inc"
+
+; --------------------------------------------------------------------------
+ SECTION SEG_TEXT
+ BITS 32
+;
+; Load data into workspace, applying unsigned->signed conversion
+;
+; GLOBAL(void)
+; jsimd_convsamp_float_sse (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_sse)
+
+EXTN(jsimd_convsamp_float_sse):
+ push ebp
+ mov ebp,esp
+ push ebx
+; push ecx ; need not be preserved
+; push edx ; need not be preserved
+ push esi
+ push edi
+
+ pcmpeqw mm7,mm7
+ psllw mm7,7
+ packsswb mm7,mm7 ; mm7 = 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 mm0, MMWORD [ebx+eax*SIZEOF_JSAMPLE]
+ movq mm1, MMWORD [edx+eax*SIZEOF_JSAMPLE]
+
+ psubb mm0,mm7 ; mm0=(01234567)
+ psubb mm1,mm7 ; mm1=(89ABCDEF)
+
+ punpcklbw mm2,mm0 ; mm2=(*0*1*2*3)
+ punpckhbw mm0,mm0 ; mm0=(*4*5*6*7)
+ punpcklbw mm3,mm1 ; mm3=(*8*9*A*B)
+ punpckhbw mm1,mm1 ; mm1=(*C*D*E*F)
+
+ punpcklwd mm4,mm2 ; mm4=(***0***1)
+ punpckhwd mm2,mm2 ; mm2=(***2***3)
+ punpcklwd mm5,mm0 ; mm5=(***4***5)
+ punpckhwd mm0,mm0 ; mm0=(***6***7)
+
+ psrad mm4,(DWORD_BIT-BYTE_BIT) ; mm4=(01)
+ psrad mm2,(DWORD_BIT-BYTE_BIT) ; mm2=(23)
+ cvtpi2ps xmm0,mm4 ; xmm0=(01**)
+ cvtpi2ps xmm1,mm2 ; xmm1=(23**)
+ psrad mm5,(DWORD_BIT-BYTE_BIT) ; mm5=(45)
+ psrad mm0,(DWORD_BIT-BYTE_BIT) ; mm0=(67)
+ cvtpi2ps xmm2,mm5 ; xmm2=(45**)
+ cvtpi2ps xmm3,mm0 ; xmm3=(67**)
+
+ punpcklwd mm6,mm3 ; mm6=(***8***9)
+ punpckhwd mm3,mm3 ; mm3=(***A***B)
+ punpcklwd mm4,mm1 ; mm4=(***C***D)
+ punpckhwd mm1,mm1 ; mm1=(***E***F)
+
+ psrad mm6,(DWORD_BIT-BYTE_BIT) ; mm6=(89)
+ psrad mm3,(DWORD_BIT-BYTE_BIT) ; mm3=(AB)
+ cvtpi2ps xmm4,mm6 ; xmm4=(89**)
+ cvtpi2ps xmm5,mm3 ; xmm5=(AB**)
+ psrad mm4,(DWORD_BIT-BYTE_BIT) ; mm4=(CD)
+ psrad mm1,(DWORD_BIT-BYTE_BIT) ; mm1=(EF)
+ cvtpi2ps xmm6,mm4 ; xmm6=(CD**)
+ cvtpi2ps xmm7,mm1 ; xmm7=(EF**)
+
+ movlhps xmm0,xmm1 ; xmm0=(0123)
+ movlhps xmm2,xmm3 ; xmm2=(4567)
+ movlhps xmm4,xmm5 ; xmm4=(89AB)
+ movlhps xmm6,xmm7 ; xmm6=(CDEF)
+
+ movaps XMMWORD [XMMBLOCK(0,0,edi,SIZEOF_FAST_FLOAT)], xmm0
+ movaps XMMWORD [XMMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], xmm2
+ movaps XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], xmm4
+ movaps XMMWORD [XMMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], xmm6
+
+ add esi, byte 2*SIZEOF_JSAMPROW
+ add edi, byte 2*DCTSIZE*SIZEOF_FAST_FLOAT
+ dec ecx
+ jnz near .convloop
+
+ emms ; empty MMX state
+
+ 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_sse (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_sse)
+
+EXTN(jsimd_quantize_float_sse):
+ 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)]
+
+ movhlps xmm4,xmm0
+ movhlps xmm5,xmm1
+
+ cvtps2pi mm0,xmm0
+ cvtps2pi mm1,xmm1
+ cvtps2pi mm4,xmm4
+ cvtps2pi mm5,xmm5
+
+ movhlps xmm6,xmm2
+ movhlps xmm7,xmm3
+
+ cvtps2pi mm2,xmm2
+ cvtps2pi mm3,xmm3
+ cvtps2pi mm6,xmm6
+ cvtps2pi mm7,xmm7
+
+ packssdw mm0,mm4
+ packssdw mm1,mm5
+ packssdw mm2,mm6
+ packssdw mm3,mm7
+
+ movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_JCOEF)], mm0
+ movq MMWORD [MMBLOCK(0,1,edi,SIZEOF_JCOEF)], mm1
+ movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_JCOEF)], mm2
+ movq MMWORD [MMBLOCK(1,1,edi,SIZEOF_JCOEF)], mm3
+
+ 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
+
+ emms ; empty MMX state
+
+ pop edi
+ pop esi
+; pop edx ; need not be preserved
+; pop ecx ; unused
+; pop ebx ; unused
+ pop ebp
+ ret
+
%define DWBLOCK(m,n,b,s) ((b)+(m)*DCTSIZE*(s)+(n)*SIZEOF_DWORD)
%define MMBLOCK(m,n,b,s) ((b)+(m)*DCTSIZE*(s)+(n)*SIZEOF_MMWORD)
+%define XMMBLOCK(m,n,b,s) ((b)+(m)*DCTSIZE*(s)+(n)*SIZEOF_XMMWORD)
; --------------------------------------------------------------------------
--- /dev/null
+;
+; jfsseflt.asm - floating-point FDCT (SSE)
+;
+; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
+;
+; Based on
+; 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 "simd/jsimdext.inc"
+%include "simd/jdct.inc"
+
+; --------------------------------------------------------------------------
+
+%macro unpcklps2 2 ; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(0 1 4 5)
+ shufps %1,%2,0x44
+%endmacro
+
+%macro unpckhps2 2 ; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(2 3 6 7)
+ shufps %1,%2,0xEE
+%endmacro
+
+; --------------------------------------------------------------------------
+ SECTION SEG_CONST
+
+ alignz 16
+ global EXTN(jconst_fdct_float_sse)
+
+EXTN(jconst_fdct_float_sse):
+
+PD_0_382 times 4 dd 0.382683432365089771728460
+PD_0_707 times 4 dd 0.707106781186547524400844
+PD_0_541 times 4 dd 0.541196100146196984399723
+PD_1_306 times 4 dd 1.306562964876376527856643
+
+ alignz 16
+
+; --------------------------------------------------------------------------
+ SECTION SEG_TEXT
+ BITS 32
+;
+; Perform the forward DCT on one block of samples.
+;
+; GLOBAL(void)
+; jsimd_fdct_float_sse (FAST_FLOAT * data)
+;
+
+%define data(b) (b)+8 ; FAST_FLOAT * data
+
+%define original_ebp ebp+0
+%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM]
+%define WK_NUM 2
+
+ align 16
+ global EXTN(jsimd_fdct_float_sse)
+
+EXTN(jsimd_fdct_float_sse):
+ push ebp
+ mov eax,esp ; eax = original ebp
+ sub esp, byte 4
+ and esp, byte (-SIZEOF_XMMWORD) ; align to 128 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/4
+ alignx 16,7
+.rowloop:
+
+ movaps xmm0, XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm1, XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm2, XMMWORD [XMMBLOCK(2,1,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm3, XMMWORD [XMMBLOCK(3,1,edx,SIZEOF_FAST_FLOAT)]
+
+ ; xmm0=(20 21 22 23), xmm2=(24 25 26 27)
+ ; xmm1=(30 31 32 33), xmm3=(34 35 36 37)
+
+ movaps xmm4,xmm0 ; transpose coefficients(phase 1)
+ unpcklps xmm0,xmm1 ; xmm0=(20 30 21 31)
+ unpckhps xmm4,xmm1 ; xmm4=(22 32 23 33)
+ movaps xmm5,xmm2 ; transpose coefficients(phase 1)
+ unpcklps xmm2,xmm3 ; xmm2=(24 34 25 35)
+ unpckhps xmm5,xmm3 ; xmm5=(26 36 27 37)
+
+ movaps xmm6, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm7, XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm1, XMMWORD [XMMBLOCK(0,1,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm3, XMMWORD [XMMBLOCK(1,1,edx,SIZEOF_FAST_FLOAT)]
+
+ ; xmm6=(00 01 02 03), xmm1=(04 05 06 07)
+ ; xmm7=(10 11 12 13), xmm3=(14 15 16 17)
+
+ movaps XMMWORD [wk(0)], xmm4 ; wk(0)=(22 32 23 33)
+ movaps XMMWORD [wk(1)], xmm2 ; wk(1)=(24 34 25 35)
+
+ movaps xmm4,xmm6 ; transpose coefficients(phase 1)
+ unpcklps xmm6,xmm7 ; xmm6=(00 10 01 11)
+ unpckhps xmm4,xmm7 ; xmm4=(02 12 03 13)
+ movaps xmm2,xmm1 ; transpose coefficients(phase 1)
+ unpcklps xmm1,xmm3 ; xmm1=(04 14 05 15)
+ unpckhps xmm2,xmm3 ; xmm2=(06 16 07 17)
+
+ movaps xmm7,xmm6 ; transpose coefficients(phase 2)
+ unpcklps2 xmm6,xmm0 ; xmm6=(00 10 20 30)=data0
+ unpckhps2 xmm7,xmm0 ; xmm7=(01 11 21 31)=data1
+ movaps xmm3,xmm2 ; transpose coefficients(phase 2)
+ unpcklps2 xmm2,xmm5 ; xmm2=(06 16 26 36)=data6
+ unpckhps2 xmm3,xmm5 ; xmm3=(07 17 27 37)=data7
+
+ movaps xmm0,xmm7
+ movaps xmm5,xmm6
+ subps xmm7,xmm2 ; xmm7=data1-data6=tmp6
+ subps xmm6,xmm3 ; xmm6=data0-data7=tmp7
+ addps xmm0,xmm2 ; xmm0=data1+data6=tmp1
+ addps xmm5,xmm3 ; xmm5=data0+data7=tmp0
+
+ movaps xmm2, XMMWORD [wk(0)] ; xmm2=(22 32 23 33)
+ movaps xmm3, XMMWORD [wk(1)] ; xmm3=(24 34 25 35)
+ movaps XMMWORD [wk(0)], xmm7 ; wk(0)=tmp6
+ movaps XMMWORD [wk(1)], xmm6 ; wk(1)=tmp7
+
+ movaps xmm7,xmm4 ; transpose coefficients(phase 2)
+ unpcklps2 xmm4,xmm2 ; xmm4=(02 12 22 32)=data2
+ unpckhps2 xmm7,xmm2 ; xmm7=(03 13 23 33)=data3
+ movaps xmm6,xmm1 ; transpose coefficients(phase 2)
+ unpcklps2 xmm1,xmm3 ; xmm1=(04 14 24 34)=data4
+ unpckhps2 xmm6,xmm3 ; xmm6=(05 15 25 35)=data5
+
+ movaps xmm2,xmm7
+ movaps xmm3,xmm4
+ addps xmm7,xmm1 ; xmm7=data3+data4=tmp3
+ addps xmm4,xmm6 ; xmm4=data2+data5=tmp2
+ subps xmm2,xmm1 ; xmm2=data3-data4=tmp4
+ subps xmm3,xmm6 ; xmm3=data2-data5=tmp5
+
+ ; -- Even part
+
+ movaps xmm1,xmm5
+ movaps xmm6,xmm0
+ subps xmm5,xmm7 ; xmm5=tmp13
+ subps xmm0,xmm4 ; xmm0=tmp12
+ addps xmm1,xmm7 ; xmm1=tmp10
+ addps xmm6,xmm4 ; xmm6=tmp11
+
+ addps xmm0,xmm5
+ mulps xmm0,[GOTOFF(ebx,PD_0_707)] ; xmm0=z1
+
+ movaps xmm7,xmm1
+ movaps xmm4,xmm5
+ subps xmm1,xmm6 ; xmm1=data4
+ subps xmm5,xmm0 ; xmm5=data6
+ addps xmm7,xmm6 ; xmm7=data0
+ addps xmm4,xmm0 ; xmm4=data2
+
+ movaps XMMWORD [XMMBLOCK(0,1,edx,SIZEOF_FAST_FLOAT)], xmm1
+ movaps XMMWORD [XMMBLOCK(2,1,edx,SIZEOF_FAST_FLOAT)], xmm5
+ movaps XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)], xmm7
+ movaps XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_FAST_FLOAT)], xmm4
+
+ ; -- Odd part
+
+ movaps xmm6, XMMWORD [wk(0)] ; xmm6=tmp6
+ movaps xmm0, XMMWORD [wk(1)] ; xmm0=tmp7
+
+ addps xmm2,xmm3 ; xmm2=tmp10
+ addps xmm3,xmm6 ; xmm3=tmp11
+ addps xmm6,xmm0 ; xmm6=tmp12, xmm0=tmp7
+
+ mulps xmm3,[GOTOFF(ebx,PD_0_707)] ; xmm3=z3
+
+ movaps xmm1,xmm2 ; xmm1=tmp10
+ subps xmm2,xmm6
+ mulps xmm2,[GOTOFF(ebx,PD_0_382)] ; xmm2=z5
+ mulps xmm1,[GOTOFF(ebx,PD_0_541)] ; xmm1=MULTIPLY(tmp10,FIX_0_541196)
+ mulps xmm6,[GOTOFF(ebx,PD_1_306)] ; xmm6=MULTIPLY(tmp12,FIX_1_306562)
+ addps xmm1,xmm2 ; xmm1=z2
+ addps xmm6,xmm2 ; xmm6=z4
+
+ movaps xmm5,xmm0
+ subps xmm0,xmm3 ; xmm0=z13
+ addps xmm5,xmm3 ; xmm5=z11
+
+ movaps xmm7,xmm0
+ movaps xmm4,xmm5
+ subps xmm0,xmm1 ; xmm0=data3
+ subps xmm5,xmm6 ; xmm5=data7
+ addps xmm7,xmm1 ; xmm7=data5
+ addps xmm4,xmm6 ; xmm4=data1
+
+ movaps XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_FAST_FLOAT)], xmm0
+ movaps XMMWORD [XMMBLOCK(3,1,edx,SIZEOF_FAST_FLOAT)], xmm5
+ movaps XMMWORD [XMMBLOCK(1,1,edx,SIZEOF_FAST_FLOAT)], xmm7
+ movaps XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)], xmm4
+
+ add edx, 4*DCTSIZE*SIZEOF_FAST_FLOAT
+ dec ecx
+ jnz near .rowloop
+
+ ; ---- Pass 2: process columns.
+
+ mov edx, POINTER [data(eax)] ; (FAST_FLOAT *)
+ mov ecx, DCTSIZE/4
+ alignx 16,7
+.columnloop:
+
+ movaps xmm0, XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm1, XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm2, XMMWORD [XMMBLOCK(6,0,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm3, XMMWORD [XMMBLOCK(7,0,edx,SIZEOF_FAST_FLOAT)]
+
+ ; xmm0=(02 12 22 32), xmm2=(42 52 62 72)
+ ; xmm1=(03 13 23 33), xmm3=(43 53 63 73)
+
+ movaps xmm4,xmm0 ; transpose coefficients(phase 1)
+ unpcklps xmm0,xmm1 ; xmm0=(02 03 12 13)
+ unpckhps xmm4,xmm1 ; xmm4=(22 23 32 33)
+ movaps xmm5,xmm2 ; transpose coefficients(phase 1)
+ unpcklps xmm2,xmm3 ; xmm2=(42 43 52 53)
+ unpckhps xmm5,xmm3 ; xmm5=(62 63 72 73)
+
+ movaps xmm6, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm7, XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm1, XMMWORD [XMMBLOCK(4,0,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm3, XMMWORD [XMMBLOCK(5,0,edx,SIZEOF_FAST_FLOAT)]
+
+ ; xmm6=(00 10 20 30), xmm1=(40 50 60 70)
+ ; xmm7=(01 11 21 31), xmm3=(41 51 61 71)
+
+ movaps XMMWORD [wk(0)], xmm4 ; wk(0)=(22 23 32 33)
+ movaps XMMWORD [wk(1)], xmm2 ; wk(1)=(42 43 52 53)
+
+ movaps xmm4,xmm6 ; transpose coefficients(phase 1)
+ unpcklps xmm6,xmm7 ; xmm6=(00 01 10 11)
+ unpckhps xmm4,xmm7 ; xmm4=(20 21 30 31)
+ movaps xmm2,xmm1 ; transpose coefficients(phase 1)
+ unpcklps xmm1,xmm3 ; xmm1=(40 41 50 51)
+ unpckhps xmm2,xmm3 ; xmm2=(60 61 70 71)
+
+ movaps xmm7,xmm6 ; transpose coefficients(phase 2)
+ unpcklps2 xmm6,xmm0 ; xmm6=(00 01 02 03)=data0
+ unpckhps2 xmm7,xmm0 ; xmm7=(10 11 12 13)=data1
+ movaps xmm3,xmm2 ; transpose coefficients(phase 2)
+ unpcklps2 xmm2,xmm5 ; xmm2=(60 61 62 63)=data6
+ unpckhps2 xmm3,xmm5 ; xmm3=(70 71 72 73)=data7
+
+ movaps xmm0,xmm7
+ movaps xmm5,xmm6
+ subps xmm7,xmm2 ; xmm7=data1-data6=tmp6
+ subps xmm6,xmm3 ; xmm6=data0-data7=tmp7
+ addps xmm0,xmm2 ; xmm0=data1+data6=tmp1
+ addps xmm5,xmm3 ; xmm5=data0+data7=tmp0
+
+ movaps xmm2, XMMWORD [wk(0)] ; xmm2=(22 23 32 33)
+ movaps xmm3, XMMWORD [wk(1)] ; xmm3=(42 43 52 53)
+ movaps XMMWORD [wk(0)], xmm7 ; wk(0)=tmp6
+ movaps XMMWORD [wk(1)], xmm6 ; wk(1)=tmp7
+
+ movaps xmm7,xmm4 ; transpose coefficients(phase 2)
+ unpcklps2 xmm4,xmm2 ; xmm4=(20 21 22 23)=data2
+ unpckhps2 xmm7,xmm2 ; xmm7=(30 31 32 33)=data3
+ movaps xmm6,xmm1 ; transpose coefficients(phase 2)
+ unpcklps2 xmm1,xmm3 ; xmm1=(40 41 42 43)=data4
+ unpckhps2 xmm6,xmm3 ; xmm6=(50 51 52 53)=data5
+
+ movaps xmm2,xmm7
+ movaps xmm3,xmm4
+ addps xmm7,xmm1 ; xmm7=data3+data4=tmp3
+ addps xmm4,xmm6 ; xmm4=data2+data5=tmp2
+ subps xmm2,xmm1 ; xmm2=data3-data4=tmp4
+ subps xmm3,xmm6 ; xmm3=data2-data5=tmp5
+
+ ; -- Even part
+
+ movaps xmm1,xmm5
+ movaps xmm6,xmm0
+ subps xmm5,xmm7 ; xmm5=tmp13
+ subps xmm0,xmm4 ; xmm0=tmp12
+ addps xmm1,xmm7 ; xmm1=tmp10
+ addps xmm6,xmm4 ; xmm6=tmp11
+
+ addps xmm0,xmm5
+ mulps xmm0,[GOTOFF(ebx,PD_0_707)] ; xmm0=z1
+
+ movaps xmm7,xmm1
+ movaps xmm4,xmm5
+ subps xmm1,xmm6 ; xmm1=data4
+ subps xmm5,xmm0 ; xmm5=data6
+ addps xmm7,xmm6 ; xmm7=data0
+ addps xmm4,xmm0 ; xmm4=data2
+
+ movaps XMMWORD [XMMBLOCK(4,0,edx,SIZEOF_FAST_FLOAT)], xmm1
+ movaps XMMWORD [XMMBLOCK(6,0,edx,SIZEOF_FAST_FLOAT)], xmm5
+ movaps XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)], xmm7
+ movaps XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_FAST_FLOAT)], xmm4
+
+ ; -- Odd part
+
+ movaps xmm6, XMMWORD [wk(0)] ; xmm6=tmp6
+ movaps xmm0, XMMWORD [wk(1)] ; xmm0=tmp7
+
+ addps xmm2,xmm3 ; xmm2=tmp10
+ addps xmm3,xmm6 ; xmm3=tmp11
+ addps xmm6,xmm0 ; xmm6=tmp12, xmm0=tmp7
+
+ mulps xmm3,[GOTOFF(ebx,PD_0_707)] ; xmm3=z3
+
+ movaps xmm1,xmm2 ; xmm1=tmp10
+ subps xmm2,xmm6
+ mulps xmm2,[GOTOFF(ebx,PD_0_382)] ; xmm2=z5
+ mulps xmm1,[GOTOFF(ebx,PD_0_541)] ; xmm1=MULTIPLY(tmp10,FIX_0_541196)
+ mulps xmm6,[GOTOFF(ebx,PD_1_306)] ; xmm6=MULTIPLY(tmp12,FIX_1_306562)
+ addps xmm1,xmm2 ; xmm1=z2
+ addps xmm6,xmm2 ; xmm6=z4
+
+ movaps xmm5,xmm0
+ subps xmm0,xmm3 ; xmm0=z13
+ addps xmm5,xmm3 ; xmm5=z11
+
+ movaps xmm7,xmm0
+ movaps xmm4,xmm5
+ subps xmm0,xmm1 ; xmm0=data3
+ subps xmm5,xmm6 ; xmm5=data7
+ addps xmm7,xmm1 ; xmm7=data5
+ addps xmm4,xmm6 ; xmm4=data1
+
+ movaps XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_FAST_FLOAT)], xmm0
+ movaps XMMWORD [XMMBLOCK(7,0,edx,SIZEOF_FAST_FLOAT)], xmm5
+ movaps XMMWORD [XMMBLOCK(5,0,edx,SIZEOF_FAST_FLOAT)], xmm7
+ movaps XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)], xmm4
+
+ add edx, byte 4*SIZEOF_FAST_FLOAT
+ dec ecx
+ jnz near .columnloop
+
+; 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
+
--- /dev/null
+;
+; jisseflt.asm - floating-point IDCT (SSE & MMX)
+;
+; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
+;
+; Based on
+; 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.
+;
+; [TAB8]
+
+%include "simd/jsimdext.inc"
+%include "simd/jdct.inc"
+
+; --------------------------------------------------------------------------
+
+%macro unpcklps2 2 ; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(0 1 4 5)
+ shufps %1,%2,0x44
+%endmacro
+
+%macro unpckhps2 2 ; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(2 3 6 7)
+ shufps %1,%2,0xEE
+%endmacro
+
+; --------------------------------------------------------------------------
+ SECTION SEG_CONST
+
+ alignz 16
+ global EXTN(jconst_idct_float_sse)
+
+EXTN(jconst_idct_float_sse):
+
+PD_1_414 times 4 dd 1.414213562373095048801689
+PD_1_847 times 4 dd 1.847759065022573512256366
+PD_1_082 times 4 dd 1.082392200292393968799446
+PD_M2_613 times 4 dd -2.613125929752753055713286
+PD_0_125 times 4 dd 0.125 ; 1/8
+PB_CENTERJSAMP times 8 db CENTERJSAMPLE
+
+ alignz 16
+
+; --------------------------------------------------------------------------
+ SECTION SEG_TEXT
+ BITS 32
+;
+; Perform dequantization and inverse DCT on one block of coefficients.
+;
+; GLOBAL(void)
+; jsimd_idct_float_sse (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_XMMWORD ; xmmword wk[WK_NUM]
+%define WK_NUM 2
+%define workspace wk(0)-DCTSIZE2*SIZEOF_FAST_FLOAT
+ ; FAST_FLOAT workspace[DCTSIZE2]
+
+ align 16
+ global EXTN(jsimd_idct_float_sse)
+
+EXTN(jsimd_idct_float_sse):
+ push ebp
+ mov eax,esp ; eax = original ebp
+ sub esp, byte 4
+ and esp, byte (-SIZEOF_XMMWORD) ; align to 128 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/4 ; ctr
+ alignx 16,7
+.columnloop:
+%ifndef NO_ZERO_COLUMN_TEST_FLOAT_SSE
+ mov eax, DWORD [DWBLOCK(1,0,esi,SIZEOF_JCOEF)]
+ or eax, DWORD [DWBLOCK(2,0,esi,SIZEOF_JCOEF)]
+ jnz near .columnDCT
+
+ movq mm0, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)]
+ movq mm1, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)]
+ por mm0, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)]
+ por mm1, MMWORD [MMBLOCK(4,0,esi,SIZEOF_JCOEF)]
+ por mm0, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)]
+ por mm1, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)]
+ por mm0, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)]
+ por mm1,mm0
+ packsswb mm1,mm1
+ movd eax,mm1
+ test eax,eax
+ jnz short .columnDCT
+
+ ; -- AC terms all zero
+
+ movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)]
+
+ punpckhwd mm1,mm0 ; mm1=(** 02 ** 03)
+ punpcklwd mm0,mm0 ; mm0=(00 00 01 01)
+ psrad mm1,(DWORD_BIT-WORD_BIT) ; mm1=in0H=(02 03)
+ psrad mm0,(DWORD_BIT-WORD_BIT) ; mm0=in0L=(00 01)
+ cvtpi2ps xmm3,mm1 ; xmm3=(02 03 ** **)
+ cvtpi2ps xmm0,mm0 ; xmm0=(00 01 ** **)
+ movlhps xmm0,xmm3 ; xmm0=in0=(00 01 02 03)
+
+ mulps xmm0, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FLOAT_MULT_TYPE)]
+
+ movaps xmm1,xmm0
+ movaps xmm2,xmm0
+ movaps xmm3,xmm0
+
+ shufps xmm0,xmm0,0x00 ; xmm0=(00 00 00 00)
+ shufps xmm1,xmm1,0x55 ; xmm1=(01 01 01 01)
+ shufps xmm2,xmm2,0xAA ; xmm2=(02 02 02 02)
+ shufps xmm3,xmm3,0xFF ; xmm3=(03 03 03 03)
+
+ movaps XMMWORD [XMMBLOCK(0,0,edi,SIZEOF_FAST_FLOAT)], xmm0
+ movaps XMMWORD [XMMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], xmm0
+ movaps XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], xmm1
+ movaps XMMWORD [XMMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], xmm1
+ movaps XMMWORD [XMMBLOCK(2,0,edi,SIZEOF_FAST_FLOAT)], xmm2
+ movaps XMMWORD [XMMBLOCK(2,1,edi,SIZEOF_FAST_FLOAT)], xmm2
+ movaps XMMWORD [XMMBLOCK(3,0,edi,SIZEOF_FAST_FLOAT)], xmm3
+ movaps XMMWORD [XMMBLOCK(3,1,edi,SIZEOF_FAST_FLOAT)], xmm3
+ jmp near .nextcolumn
+ alignx 16,7
+%endif
+.columnDCT:
+
+ ; -- Even part
+
+ movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)]
+ movq mm1, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)]
+ movq mm2, MMWORD [MMBLOCK(4,0,esi,SIZEOF_JCOEF)]
+ movq mm3, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)]
+
+ punpckhwd mm4,mm0 ; mm4=(** 02 ** 03)
+ punpcklwd mm0,mm0 ; mm0=(00 00 01 01)
+ punpckhwd mm5,mm1 ; mm5=(** 22 ** 23)
+ punpcklwd mm1,mm1 ; mm1=(20 20 21 21)
+
+ psrad mm4,(DWORD_BIT-WORD_BIT) ; mm4=in0H=(02 03)
+ psrad mm0,(DWORD_BIT-WORD_BIT) ; mm0=in0L=(00 01)
+ cvtpi2ps xmm4,mm4 ; xmm4=(02 03 ** **)
+ cvtpi2ps xmm0,mm0 ; xmm0=(00 01 ** **)
+ psrad mm5,(DWORD_BIT-WORD_BIT) ; mm5=in2H=(22 23)
+ psrad mm1,(DWORD_BIT-WORD_BIT) ; mm1=in2L=(20 21)
+ cvtpi2ps xmm5,mm5 ; xmm5=(22 23 ** **)
+ cvtpi2ps xmm1,mm1 ; xmm1=(20 21 ** **)
+
+ punpckhwd mm6,mm2 ; mm6=(** 42 ** 43)
+ punpcklwd mm2,mm2 ; mm2=(40 40 41 41)
+ punpckhwd mm7,mm3 ; mm7=(** 62 ** 63)
+ punpcklwd mm3,mm3 ; mm3=(60 60 61 61)
+
+ psrad mm6,(DWORD_BIT-WORD_BIT) ; mm6=in4H=(42 43)
+ psrad mm2,(DWORD_BIT-WORD_BIT) ; mm2=in4L=(40 41)
+ cvtpi2ps xmm6,mm6 ; xmm6=(42 43 ** **)
+ cvtpi2ps xmm2,mm2 ; xmm2=(40 41 ** **)
+ psrad mm7,(DWORD_BIT-WORD_BIT) ; mm7=in6H=(62 63)
+ psrad mm3,(DWORD_BIT-WORD_BIT) ; mm3=in6L=(60 61)
+ cvtpi2ps xmm7,mm7 ; xmm7=(62 63 ** **)
+ cvtpi2ps xmm3,mm3 ; xmm3=(60 61 ** **)
+
+ movlhps xmm0,xmm4 ; xmm0=in0=(00 01 02 03)
+ movlhps xmm1,xmm5 ; xmm1=in2=(20 21 22 23)
+ mulps xmm0, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FLOAT_MULT_TYPE)]
+ mulps xmm1, XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_FLOAT_MULT_TYPE)]
+
+ movlhps xmm2,xmm6 ; xmm2=in4=(40 41 42 43)
+ movlhps xmm3,xmm7 ; xmm3=in6=(60 61 62 63)
+ mulps xmm2, XMMWORD [XMMBLOCK(4,0,edx,SIZEOF_FLOAT_MULT_TYPE)]
+ mulps xmm3, XMMWORD [XMMBLOCK(6,0,edx,SIZEOF_FLOAT_MULT_TYPE)]
+
+ movaps xmm4,xmm0
+ movaps xmm5,xmm1
+ subps xmm0,xmm2 ; xmm0=tmp11
+ subps xmm1,xmm3
+ addps xmm4,xmm2 ; xmm4=tmp10
+ addps xmm5,xmm3 ; xmm5=tmp13
+
+ mulps xmm1,[GOTOFF(ebx,PD_1_414)]
+ subps xmm1,xmm5 ; xmm1=tmp12
+
+ movaps xmm6,xmm4
+ movaps xmm7,xmm0
+ subps xmm4,xmm5 ; xmm4=tmp3
+ subps xmm0,xmm1 ; xmm0=tmp2
+ addps xmm6,xmm5 ; xmm6=tmp0
+ addps xmm7,xmm1 ; xmm7=tmp1
+
+ movaps XMMWORD [wk(1)], xmm4 ; tmp3
+ movaps XMMWORD [wk(0)], xmm0 ; tmp2
+
+ ; -- Odd part
+
+ movq mm4, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)]
+ movq mm0, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)]
+ movq mm5, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)]
+ movq mm1, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)]
+
+ punpckhwd mm6,mm4 ; mm6=(** 12 ** 13)
+ punpcklwd mm4,mm4 ; mm4=(10 10 11 11)
+ punpckhwd mm2,mm0 ; mm2=(** 32 ** 33)
+ punpcklwd mm0,mm0 ; mm0=(30 30 31 31)
+
+ psrad mm6,(DWORD_BIT-WORD_BIT) ; mm6=in1H=(12 13)
+ psrad mm4,(DWORD_BIT-WORD_BIT) ; mm4=in1L=(10 11)
+ cvtpi2ps xmm4,mm6 ; xmm4=(12 13 ** **)
+ cvtpi2ps xmm2,mm4 ; xmm2=(10 11 ** **)
+ psrad mm2,(DWORD_BIT-WORD_BIT) ; mm2=in3H=(32 33)
+ psrad mm0,(DWORD_BIT-WORD_BIT) ; mm0=in3L=(30 31)
+ cvtpi2ps xmm0,mm2 ; xmm0=(32 33 ** **)
+ cvtpi2ps xmm3,mm0 ; xmm3=(30 31 ** **)
+
+ punpckhwd mm7,mm5 ; mm7=(** 52 ** 53)
+ punpcklwd mm5,mm5 ; mm5=(50 50 51 51)
+ punpckhwd mm3,mm1 ; mm3=(** 72 ** 73)
+ punpcklwd mm1,mm1 ; mm1=(70 70 71 71)
+
+ movlhps xmm2,xmm4 ; xmm2=in1=(10 11 12 13)
+ movlhps xmm3,xmm0 ; xmm3=in3=(30 31 32 33)
+
+ psrad mm7,(DWORD_BIT-WORD_BIT) ; mm7=in5H=(52 53)
+ psrad mm5,(DWORD_BIT-WORD_BIT) ; mm5=in5L=(50 51)
+ cvtpi2ps xmm4,mm7 ; xmm4=(52 53 ** **)
+ cvtpi2ps xmm5,mm5 ; xmm5=(50 51 ** **)
+ psrad mm3,(DWORD_BIT-WORD_BIT) ; mm3=in7H=(72 73)
+ psrad mm1,(DWORD_BIT-WORD_BIT) ; mm1=in7L=(70 71)
+ cvtpi2ps xmm0,mm3 ; xmm0=(72 73 ** **)
+ cvtpi2ps xmm1,mm1 ; xmm1=(70 71 ** **)
+
+ mulps xmm2, XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_FLOAT_MULT_TYPE)]
+ mulps xmm3, XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_FLOAT_MULT_TYPE)]
+
+ movlhps xmm5,xmm4 ; xmm5=in5=(50 51 52 53)
+ movlhps xmm1,xmm0 ; xmm1=in7=(70 71 72 73)
+ mulps xmm5, XMMWORD [XMMBLOCK(5,0,edx,SIZEOF_FLOAT_MULT_TYPE)]
+ mulps xmm1, XMMWORD [XMMBLOCK(7,0,edx,SIZEOF_FLOAT_MULT_TYPE)]
+
+ movaps xmm4,xmm2
+ movaps xmm0,xmm5
+ addps xmm2,xmm1 ; xmm2=z11
+ addps xmm5,xmm3 ; xmm5=z13
+ subps xmm4,xmm1 ; xmm4=z12
+ subps xmm0,xmm3 ; xmm0=z10
+
+ movaps xmm1,xmm2
+ subps xmm2,xmm5
+ addps xmm1,xmm5 ; xmm1=tmp7
+
+ mulps xmm2,[GOTOFF(ebx,PD_1_414)] ; xmm2=tmp11
+
+ movaps xmm3,xmm0
+ addps xmm0,xmm4
+ mulps xmm0,[GOTOFF(ebx,PD_1_847)] ; xmm0=z5
+ mulps xmm3,[GOTOFF(ebx,PD_M2_613)] ; xmm3=(z10 * -2.613125930)
+ mulps xmm4,[GOTOFF(ebx,PD_1_082)] ; xmm4=(z12 * 1.082392200)
+ addps xmm3,xmm0 ; xmm3=tmp12
+ subps xmm4,xmm0 ; xmm4=tmp10
+
+ ; -- Final output stage
+
+ subps xmm3,xmm1 ; xmm3=tmp6
+ movaps xmm5,xmm6
+ movaps xmm0,xmm7
+ addps xmm6,xmm1 ; xmm6=data0=(00 01 02 03)
+ addps xmm7,xmm3 ; xmm7=data1=(10 11 12 13)
+ subps xmm5,xmm1 ; xmm5=data7=(70 71 72 73)
+ subps xmm0,xmm3 ; xmm0=data6=(60 61 62 63)
+ subps xmm2,xmm3 ; xmm2=tmp5
+
+ movaps xmm1,xmm6 ; transpose coefficients(phase 1)
+ unpcklps xmm6,xmm7 ; xmm6=(00 10 01 11)
+ unpckhps xmm1,xmm7 ; xmm1=(02 12 03 13)
+ movaps xmm3,xmm0 ; transpose coefficients(phase 1)
+ unpcklps xmm0,xmm5 ; xmm0=(60 70 61 71)
+ unpckhps xmm3,xmm5 ; xmm3=(62 72 63 73)
+
+ movaps xmm7, XMMWORD [wk(0)] ; xmm7=tmp2
+ movaps xmm5, XMMWORD [wk(1)] ; xmm5=tmp3
+
+ movaps XMMWORD [wk(0)], xmm0 ; wk(0)=(60 70 61 71)
+ movaps XMMWORD [wk(1)], xmm3 ; wk(1)=(62 72 63 73)
+
+ addps xmm4,xmm2 ; xmm4=tmp4
+ movaps xmm0,xmm7
+ movaps xmm3,xmm5
+ addps xmm7,xmm2 ; xmm7=data2=(20 21 22 23)
+ addps xmm5,xmm4 ; xmm5=data4=(40 41 42 43)
+ subps xmm0,xmm2 ; xmm0=data5=(50 51 52 53)
+ subps xmm3,xmm4 ; xmm3=data3=(30 31 32 33)
+
+ movaps xmm2,xmm7 ; transpose coefficients(phase 1)
+ unpcklps xmm7,xmm3 ; xmm7=(20 30 21 31)
+ unpckhps xmm2,xmm3 ; xmm2=(22 32 23 33)
+ movaps xmm4,xmm5 ; transpose coefficients(phase 1)
+ unpcklps xmm5,xmm0 ; xmm5=(40 50 41 51)
+ unpckhps xmm4,xmm0 ; xmm4=(42 52 43 53)
+
+ movaps xmm3,xmm6 ; transpose coefficients(phase 2)
+ unpcklps2 xmm6,xmm7 ; xmm6=(00 10 20 30)
+ unpckhps2 xmm3,xmm7 ; xmm3=(01 11 21 31)
+ movaps xmm0,xmm1 ; transpose coefficients(phase 2)
+ unpcklps2 xmm1,xmm2 ; xmm1=(02 12 22 32)
+ unpckhps2 xmm0,xmm2 ; xmm0=(03 13 23 33)
+
+ movaps xmm7, XMMWORD [wk(0)] ; xmm7=(60 70 61 71)
+ movaps xmm2, XMMWORD [wk(1)] ; xmm2=(62 72 63 73)
+
+ movaps XMMWORD [XMMBLOCK(0,0,edi,SIZEOF_FAST_FLOAT)], xmm6
+ movaps XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], xmm3
+ movaps XMMWORD [XMMBLOCK(2,0,edi,SIZEOF_FAST_FLOAT)], xmm1
+ movaps XMMWORD [XMMBLOCK(3,0,edi,SIZEOF_FAST_FLOAT)], xmm0
+
+ movaps xmm6,xmm5 ; transpose coefficients(phase 2)
+ unpcklps2 xmm5,xmm7 ; xmm5=(40 50 60 70)
+ unpckhps2 xmm6,xmm7 ; xmm6=(41 51 61 71)
+ movaps xmm3,xmm4 ; transpose coefficients(phase 2)
+ unpcklps2 xmm4,xmm2 ; xmm4=(42 52 62 72)
+ unpckhps2 xmm3,xmm2 ; xmm3=(43 53 63 73)
+
+ movaps XMMWORD [XMMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], xmm5
+ movaps XMMWORD [XMMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], xmm6
+ movaps XMMWORD [XMMBLOCK(2,1,edi,SIZEOF_FAST_FLOAT)], xmm4
+ movaps XMMWORD [XMMBLOCK(3,1,edi,SIZEOF_FAST_FLOAT)], xmm3
+
+.nextcolumn:
+ add esi, byte 4*SIZEOF_JCOEF ; coef_block
+ add edx, byte 4*SIZEOF_FLOAT_MULT_TYPE ; quantptr
+ add edi, 4*DCTSIZE*SIZEOF_FAST_FLOAT ; wsptr
+ dec ecx ; ctr
+ jnz near .columnloop
+
+ ; -- Prefetch the next coefficient block
+
+ prefetchnta [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 0*32]
+ prefetchnta [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 1*32]
+ prefetchnta [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 2*32]
+ prefetchnta [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/4 ; ctr
+ alignx 16,7
+.rowloop:
+
+ ; -- Even part
+
+ movaps xmm0, XMMWORD [XMMBLOCK(0,0,esi,SIZEOF_FAST_FLOAT)]
+ movaps xmm1, XMMWORD [XMMBLOCK(2,0,esi,SIZEOF_FAST_FLOAT)]
+ movaps xmm2, XMMWORD [XMMBLOCK(4,0,esi,SIZEOF_FAST_FLOAT)]
+ movaps xmm3, XMMWORD [XMMBLOCK(6,0,esi,SIZEOF_FAST_FLOAT)]
+
+ movaps xmm4,xmm0
+ movaps xmm5,xmm1
+ subps xmm0,xmm2 ; xmm0=tmp11
+ subps xmm1,xmm3
+ addps xmm4,xmm2 ; xmm4=tmp10
+ addps xmm5,xmm3 ; xmm5=tmp13
+
+ mulps xmm1,[GOTOFF(ebx,PD_1_414)]
+ subps xmm1,xmm5 ; xmm1=tmp12
+
+ movaps xmm6,xmm4
+ movaps xmm7,xmm0
+ subps xmm4,xmm5 ; xmm4=tmp3
+ subps xmm0,xmm1 ; xmm0=tmp2
+ addps xmm6,xmm5 ; xmm6=tmp0
+ addps xmm7,xmm1 ; xmm7=tmp1
+
+ movaps XMMWORD [wk(1)], xmm4 ; tmp3
+ movaps XMMWORD [wk(0)], xmm0 ; tmp2
+
+ ; -- Odd part
+
+ movaps xmm2, XMMWORD [XMMBLOCK(1,0,esi,SIZEOF_FAST_FLOAT)]
+ movaps xmm3, XMMWORD [XMMBLOCK(3,0,esi,SIZEOF_FAST_FLOAT)]
+ movaps xmm5, XMMWORD [XMMBLOCK(5,0,esi,SIZEOF_FAST_FLOAT)]
+ movaps xmm1, XMMWORD [XMMBLOCK(7,0,esi,SIZEOF_FAST_FLOAT)]
+
+ movaps xmm4,xmm2
+ movaps xmm0,xmm5
+ addps xmm2,xmm1 ; xmm2=z11
+ addps xmm5,xmm3 ; xmm5=z13
+ subps xmm4,xmm1 ; xmm4=z12
+ subps xmm0,xmm3 ; xmm0=z10
+
+ movaps xmm1,xmm2
+ subps xmm2,xmm5
+ addps xmm1,xmm5 ; xmm1=tmp7
+
+ mulps xmm2,[GOTOFF(ebx,PD_1_414)] ; xmm2=tmp11
+
+ movaps xmm3,xmm0
+ addps xmm0,xmm4
+ mulps xmm0,[GOTOFF(ebx,PD_1_847)] ; xmm0=z5
+ mulps xmm3,[GOTOFF(ebx,PD_M2_613)] ; xmm3=(z10 * -2.613125930)
+ mulps xmm4,[GOTOFF(ebx,PD_1_082)] ; xmm4=(z12 * 1.082392200)
+ addps xmm3,xmm0 ; xmm3=tmp12
+ subps xmm4,xmm0 ; xmm4=tmp10
+
+ ; -- Final output stage
+
+ subps xmm3,xmm1 ; xmm3=tmp6
+ movaps xmm5,xmm6
+ movaps xmm0,xmm7
+ addps xmm6,xmm1 ; xmm6=data0=(00 10 20 30)
+ addps xmm7,xmm3 ; xmm7=data1=(01 11 21 31)
+ subps xmm5,xmm1 ; xmm5=data7=(07 17 27 37)
+ subps xmm0,xmm3 ; xmm0=data6=(06 16 26 36)
+ subps xmm2,xmm3 ; xmm2=tmp5
+
+ movaps xmm1,[GOTOFF(ebx,PD_0_125)] ; xmm1=[PD_0_125]
+
+ mulps xmm6,xmm1 ; descale(1/8)
+ mulps xmm7,xmm1 ; descale(1/8)
+ mulps xmm5,xmm1 ; descale(1/8)
+ mulps xmm0,xmm1 ; descale(1/8)
+
+ movhlps xmm3,xmm6
+ movhlps xmm1,xmm7
+ cvtps2pi mm0,xmm6 ; round to int32, mm0=data0L=(00 10)
+ cvtps2pi mm1,xmm7 ; round to int32, mm1=data1L=(01 11)
+ cvtps2pi mm2,xmm3 ; round to int32, mm2=data0H=(20 30)
+ cvtps2pi mm3,xmm1 ; round to int32, mm3=data1H=(21 31)
+ packssdw mm0,mm2 ; mm0=data0=(00 10 20 30)
+ packssdw mm1,mm3 ; mm1=data1=(01 11 21 31)
+
+ movhlps xmm6,xmm5
+ movhlps xmm7,xmm0
+ cvtps2pi mm4,xmm5 ; round to int32, mm4=data7L=(07 17)
+ cvtps2pi mm5,xmm0 ; round to int32, mm5=data6L=(06 16)
+ cvtps2pi mm6,xmm6 ; round to int32, mm6=data7H=(27 37)
+ cvtps2pi mm7,xmm7 ; round to int32, mm7=data6H=(26 36)
+ packssdw mm4,mm6 ; mm4=data7=(07 17 27 37)
+ packssdw mm5,mm7 ; mm5=data6=(06 16 26 36)
+
+ packsswb mm0,mm5 ; mm0=(00 10 20 30 06 16 26 36)
+ packsswb mm1,mm4 ; mm1=(01 11 21 31 07 17 27 37)
+
+ movaps xmm3, XMMWORD [wk(0)] ; xmm3=tmp2
+ movaps xmm1, XMMWORD [wk(1)] ; xmm1=tmp3
+
+ movaps xmm6,[GOTOFF(ebx,PD_0_125)] ; xmm6=[PD_0_125]
+
+ addps xmm4,xmm2 ; xmm4=tmp4
+ movaps xmm5,xmm3
+ movaps xmm0,xmm1
+ addps xmm3,xmm2 ; xmm3=data2=(02 12 22 32)
+ addps xmm1,xmm4 ; xmm1=data4=(04 14 24 34)
+ subps xmm5,xmm2 ; xmm5=data5=(05 15 25 35)
+ subps xmm0,xmm4 ; xmm0=data3=(03 13 23 33)
+
+ mulps xmm3,xmm6 ; descale(1/8)
+ mulps xmm1,xmm6 ; descale(1/8)
+ mulps xmm5,xmm6 ; descale(1/8)
+ mulps xmm0,xmm6 ; descale(1/8)
+
+ movhlps xmm7,xmm3
+ movhlps xmm2,xmm1
+ cvtps2pi mm2,xmm3 ; round to int32, mm2=data2L=(02 12)
+ cvtps2pi mm3,xmm1 ; round to int32, mm3=data4L=(04 14)
+ cvtps2pi mm6,xmm7 ; round to int32, mm6=data2H=(22 32)
+ cvtps2pi mm7,xmm2 ; round to int32, mm7=data4H=(24 34)
+ packssdw mm2,mm6 ; mm2=data2=(02 12 22 32)
+ packssdw mm3,mm7 ; mm3=data4=(04 14 24 34)
+
+ movhlps xmm4,xmm5
+ movhlps xmm6,xmm0
+ cvtps2pi mm5,xmm5 ; round to int32, mm5=data5L=(05 15)
+ cvtps2pi mm4,xmm0 ; round to int32, mm4=data3L=(03 13)
+ cvtps2pi mm6,xmm4 ; round to int32, mm6=data5H=(25 35)
+ cvtps2pi mm7,xmm6 ; round to int32, mm7=data3H=(23 33)
+ packssdw mm5,mm6 ; mm5=data5=(05 15 25 35)
+ packssdw mm4,mm7 ; mm4=data3=(03 13 23 33)
+
+ movq mm6,[GOTOFF(ebx,PB_CENTERJSAMP)] ; mm6=[PB_CENTERJSAMP]
+
+ packsswb mm2,mm3 ; mm2=(02 12 22 32 04 14 24 34)
+ packsswb mm4,mm5 ; mm4=(03 13 23 33 05 15 25 35)
+
+ paddb mm0,mm6
+ paddb mm1,mm6
+ paddb mm2,mm6
+ paddb mm4,mm6
+
+ movq mm7,mm0 ; transpose coefficients(phase 1)
+ punpcklbw mm0,mm1 ; mm0=(00 01 10 11 20 21 30 31)
+ punpckhbw mm7,mm1 ; mm7=(06 07 16 17 26 27 36 37)
+ movq mm3,mm2 ; transpose coefficients(phase 1)
+ punpcklbw mm2,mm4 ; mm2=(02 03 12 13 22 23 32 33)
+ punpckhbw mm3,mm4 ; mm3=(04 05 14 15 24 25 34 35)
+
+ movq mm5,mm0 ; transpose coefficients(phase 2)
+ punpcklwd mm0,mm2 ; mm0=(00 01 02 03 10 11 12 13)
+ punpckhwd mm5,mm2 ; mm5=(20 21 22 23 30 31 32 33)
+ movq mm6,mm3 ; transpose coefficients(phase 2)
+ punpcklwd mm3,mm7 ; mm3=(04 05 06 07 14 15 16 17)
+ punpckhwd mm6,mm7 ; mm6=(24 25 26 27 34 35 36 37)
+
+ movq mm1,mm0 ; transpose coefficients(phase 3)
+ punpckldq mm0,mm3 ; mm0=(00 01 02 03 04 05 06 07)
+ punpckhdq mm1,mm3 ; mm1=(10 11 12 13 14 15 16 17)
+ movq mm4,mm5 ; transpose coefficients(phase 3)
+ punpckldq mm5,mm6 ; mm5=(20 21 22 23 24 25 26 27)
+ punpckhdq mm4,mm6 ; mm4=(30 31 32 33 34 35 36 37)
+
+ 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], mm0
+ movq MMWORD [ebx+eax*SIZEOF_JSAMPLE], mm1
+ mov edx, JSAMPROW [edi+2*SIZEOF_JSAMPROW]
+ mov ebx, JSAMPROW [edi+3*SIZEOF_JSAMPROW]
+ movq MMWORD [edx+eax*SIZEOF_JSAMPLE], mm5
+ movq MMWORD [ebx+eax*SIZEOF_JSAMPLE], mm4
+
+ poppic ebx ; restore GOT address
+
+ add esi, byte 4*SIZEOF_FAST_FLOAT ; wsptr
+ add edi, byte 4*SIZEOF_JSAMPROW
+ dec ecx ; ctr
+ jnz near .rowloop
+
+ emms ; empty MMX 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
+
#define JSIMD_NONE 0x00
#define JSIMD_MMX 0x01
#define JSIMD_3DNOW 0x02
+#define JSIMD_SSE 0x04
/* Short forms of external names for systems with brain-damaged linkers. */
#define jsimd_h2v1_merged_upsample_mmx jSMUpH2V1M
#define jsimd_convsamp_mmx jSConvM
#define jsimd_convsamp_float_3dnow jSConvF3D
+#define jsimd_convsamp_float_sse jSConvFS
#define jsimd_fdct_islow_mmx jSFDMIS
#define jsimd_fdct_ifast_mmx jSFDMIF
#define jsimd_fdct_float_3dnow jSFD3DF
+#define jconst_fdct_float_sse jSCFDSF
+#define jsimd_fdct_float_sse jSFDSF
#define jsimd_quantize_mmx jSQuantM
#define jsimd_quantize_float_3dnow jSQuantF3D
+#define jsimd_quantize_float_sse jSQuantFS
#define jsimd_idct_2x2_mmx jSIDM22
#define jsimd_idct_4x4_mmx jSIDM44
#define jsimd_idct_islow_mmx jSIDMIS
#define jsimd_idct_ifast_mmx jSIDMIF
#define jsimd_idct_float_3dnow jSID3DF
+#define jconst_fdct_float_sse jSCIDSF
+#define jsimd_idct_float_sse jSIDSF
#endif /* NEED_SHORT_EXTERNAL_NAMES */
/* SIMD Ext: retrieve SIMD/CPU information */
JDIMENSION start_col,
FAST_FLOAT * workspace));
+EXTERN(void) jsimd_convsamp_float_sse JPP((JSAMPARRAY sample_data,
+ JDIMENSION start_col,
+ FAST_FLOAT * workspace));
+
/* SIMD Forward DCT */
EXTERN(void) jsimd_fdct_islow_mmx JPP((DCTELEM * data));
EXTERN(void) jsimd_fdct_ifast_mmx JPP((DCTELEM * data));
EXTERN(void) jsimd_fdct_float_3dnow JPP((FAST_FLOAT * data));
+extern const int jconst_fdct_float_sse[];
+EXTERN(void) jsimd_fdct_float_sse JPP((FAST_FLOAT * data));
+
/* SIMD Quantization */
EXTERN(void) jsimd_quantize_mmx JPP((JCOEFPTR coef_block,
DCTELEM * divisors,
FAST_FLOAT * divisors,
FAST_FLOAT * workspace));
+EXTERN(void) jsimd_quantize_float_sse JPP((JCOEFPTR coef_block,
+ FAST_FLOAT * divisors,
+ FAST_FLOAT * workspace));
+
/* SIMD Reduced Inverse DCT */
EXTERN(void) jsimd_idct_2x2_mmx JPP((void * dct_table,
JCOEFPTR coef_block,
JSAMPARRAY output_buf,
JDIMENSION output_col));
+extern const int jconst_idct_float_sse[];
+EXTERN(void) jsimd_idct_float_sse JPP((void * dct_table,
+ JCOEFPTR coef_block,
+ JSAMPARRAY output_buf,
+ JDIMENSION output_col));
+
definev(JSIMD_NONE)
definev(JSIMD_MMX)
definev(JSIMD_3DNOW)
+definev(JSIMD_SSE)
; Short forms of external names for systems with brain-damaged linkers.
;
definev(jsimd_h2v2_merged_upsample_mmx)
definev(jsimd_convsamp_mmx)
definev(jsimd_convsamp_float_3dnow)
+definev(jsimd_convsamp_float_sse)
definev(jsimd_fdct_islow_mmx)
definev(jsimd_fdct_ifast_mmx)
definev(jsimd_fdct_float_3dnow)
+definev(jconst_fdct_float_sse)
+definev(jsimd_fdct_float_sse)
definev(jsimd_quantize_mmx)
definev(jsimd_quantize_float_3dnow)
+definev(jsimd_quantize_float_sse)
definev(jsimd_idct_2x2_mmx)
definev(jsimd_idct_4x4_mmx)
definev(jsimd_idct_islow_mmx)
definev(jsimd_idct_ifast_mmx)
definev(jsimd_idct_float_3dnow)
+definev(jconst_idct_float_sse)
+definev(jsimd_idct_float_sse)
#endif /* NEED_SHORT_EXTERNAL_NAMES */
jz short .no_mmx
or edi, byte JSIMD_MMX
.no_mmx:
+ test eax, 1<<25 ; bit25:SSE
+ jz short .no_sse
+ or edi, byte JSIMD_SSE
+.no_sse:
; Check for 3DNow! instruction support
mov eax, 0x80000000
%define SIZEOF_MMWORD SIZEOF_QWORD ; sizeof(MMWORD)
%define MMWORD_BIT QWORD_BIT ; sizeof(MMWORD)*BYTE_BIT
+; NASM is buggy and doesn't properly handle operand sizes for SSE
+; instructions, so for now we have to define XMMWORD as blank.
+%define XMMWORD ; int128 (SSE register)
+%define SIZEOF_XMMWORD SIZEOF_OWORD ; sizeof(XMMWORD)
+%define XMMWORD_BIT OWORD_BIT ; sizeof(XMMWORD)*BYTE_BIT
+
%define SIZEOF_BYTE 1 ; sizeof(BYTE)
%define SIZEOF_WORD 2 ; sizeof(WORD)
%define SIZEOF_DWORD 4 ; sizeof(DWORD)
%define SIZEOF_QWORD 8 ; sizeof(QWORD)
+%define SIZEOF_OWORD 16 ; sizeof(OWORD)
%define BYTE_BIT 8 ; CHAR_BIT in C
%define WORD_BIT 16 ; sizeof(WORD)*BYTE_BIT
%define DWORD_BIT 32 ; sizeof(DWORD)*BYTE_BIT
%define QWORD_BIT 64 ; sizeof(QWORD)*BYTE_BIT
+%define OWORD_BIT 128 ; sizeof(OWORD)*BYTE_BIT
; --------------------------------------------------------------------------
; External Symbol Name
projects / tigervnc.git / commitdiff