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Unified Diff: simd/jfmmxfst.asm

Issue 1939823002: Update to libjpeg_turbo 1.4.90 (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libjpeg_turbo.git@master
Patch Set: Response to comments Created 4 years, 7 months ago
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Index: simd/jfmmxfst.asm
diff --git a/simd/jfmmxfst.asm b/simd/jfmmxfst.asm
deleted file mode 100644
index 146e8c3efe6e78094ced2fe131a1bebaa3ca7f32..0000000000000000000000000000000000000000
--- a/simd/jfmmxfst.asm
+++ /dev/null
@@ -1,397 +0,0 @@
-;
-; jfmmxfst.asm - fast integer FDCT (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 fast, not so accurate integer implementation of
-; the forward DCT (Discrete Cosine Transform). The following code is
-; based directly on the IJG's original jfdctfst.c; see the jfdctfst.c
-; for more details.
-;
-; [TAB8]
-
-%include "jsimdext.inc"
-%include "jdct.inc"
-
-; --------------------------------------------------------------------------
-
-%define CONST_BITS 8 ; 14 is also OK.
-
-%if CONST_BITS == 8
-F_0_382 equ 98 ; FIX(0.382683433)
-F_0_541 equ 139 ; FIX(0.541196100)
-F_0_707 equ 181 ; FIX(0.707106781)
-F_1_306 equ 334 ; FIX(1.306562965)
-%else
-; NASM cannot do compile-time arithmetic on floating-point constants.
-%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n))
-F_0_382 equ DESCALE( 410903207,30-CONST_BITS) ; FIX(0.382683433)
-F_0_541 equ DESCALE( 581104887,30-CONST_BITS) ; FIX(0.541196100)
-F_0_707 equ DESCALE( 759250124,30-CONST_BITS) ; FIX(0.707106781)
-F_1_306 equ DESCALE(1402911301,30-CONST_BITS) ; FIX(1.306562965)
-%endif
-
-; --------------------------------------------------------------------------
- SECTION SEG_CONST
-
-; PRE_MULTIPLY_SCALE_BITS <= 2 (to avoid overflow)
-; CONST_BITS + CONST_SHIFT + PRE_MULTIPLY_SCALE_BITS == 16 (for pmulhw)
-
-%define PRE_MULTIPLY_SCALE_BITS 2
-%define CONST_SHIFT (16 - PRE_MULTIPLY_SCALE_BITS - CONST_BITS)
-
- alignz 16
- global EXTN(jconst_fdct_ifast_mmx) PRIVATE
-
-EXTN(jconst_fdct_ifast_mmx):
-
-PW_F0707 times 4 dw F_0_707 << CONST_SHIFT
-PW_F0382 times 4 dw F_0_382 << CONST_SHIFT
-PW_F0541 times 4 dw F_0_541 << CONST_SHIFT
-PW_F1306 times 4 dw F_1_306 << CONST_SHIFT
-
- alignz 16
-
-; --------------------------------------------------------------------------
- SECTION SEG_TEXT
- BITS 32
-;
-; Perform the forward DCT on one block of samples.
-;
-; GLOBAL(void)
-; jsimd_fdct_ifast_mmx (DCTELEM * data)
-;
-
-%define data(b) (b)+8 ; DCTELEM * 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_ifast_mmx) PRIVATE
-
-EXTN(jsimd_fdct_ifast_mmx):
- 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)] ; (DCTELEM *)
- mov ecx, DCTSIZE/4
- alignx 16,7
-.rowloop:
-
- movq mm0, MMWORD [MMBLOCK(2,0,edx,SIZEOF_DCTELEM)]
- movq mm1, MMWORD [MMBLOCK(3,0,edx,SIZEOF_DCTELEM)]
- movq mm2, MMWORD [MMBLOCK(2,1,edx,SIZEOF_DCTELEM)]
- movq mm3, MMWORD [MMBLOCK(3,1,edx,SIZEOF_DCTELEM)]
-
- ; mm0=(20 21 22 23), mm2=(24 25 26 27)
- ; mm1=(30 31 32 33), mm3=(34 35 36 37)
-
- movq mm4,mm0 ; transpose coefficients(phase 1)
- punpcklwd mm0,mm1 ; mm0=(20 30 21 31)
- punpckhwd mm4,mm1 ; mm4=(22 32 23 33)
- movq mm5,mm2 ; transpose coefficients(phase 1)
- punpcklwd mm2,mm3 ; mm2=(24 34 25 35)
- punpckhwd mm5,mm3 ; mm5=(26 36 27 37)
-
- movq mm6, MMWORD [MMBLOCK(0,0,edx,SIZEOF_DCTELEM)]
- movq mm7, MMWORD [MMBLOCK(1,0,edx,SIZEOF_DCTELEM)]
- movq mm1, MMWORD [MMBLOCK(0,1,edx,SIZEOF_DCTELEM)]
- movq mm3, MMWORD [MMBLOCK(1,1,edx,SIZEOF_DCTELEM)]
-
- ; mm6=(00 01 02 03), mm1=(04 05 06 07)
- ; mm7=(10 11 12 13), mm3=(14 15 16 17)
-
- movq MMWORD [wk(0)], mm4 ; wk(0)=(22 32 23 33)
- movq MMWORD [wk(1)], mm2 ; wk(1)=(24 34 25 35)
-
- movq mm4,mm6 ; transpose coefficients(phase 1)
- punpcklwd mm6,mm7 ; mm6=(00 10 01 11)
- punpckhwd mm4,mm7 ; mm4=(02 12 03 13)
- movq mm2,mm1 ; transpose coefficients(phase 1)
- punpcklwd mm1,mm3 ; mm1=(04 14 05 15)
- punpckhwd mm2,mm3 ; mm2=(06 16 07 17)
-
- movq mm7,mm6 ; transpose coefficients(phase 2)
- punpckldq mm6,mm0 ; mm6=(00 10 20 30)=data0
- punpckhdq mm7,mm0 ; mm7=(01 11 21 31)=data1
- movq mm3,mm2 ; transpose coefficients(phase 2)
- punpckldq mm2,mm5 ; mm2=(06 16 26 36)=data6
- punpckhdq mm3,mm5 ; mm3=(07 17 27 37)=data7
-
- movq mm0,mm7
- movq mm5,mm6
- psubw mm7,mm2 ; mm7=data1-data6=tmp6
- psubw mm6,mm3 ; mm6=data0-data7=tmp7
- paddw mm0,mm2 ; mm0=data1+data6=tmp1
- paddw mm5,mm3 ; mm5=data0+data7=tmp0
-
- movq mm2, MMWORD [wk(0)] ; mm2=(22 32 23 33)
- movq mm3, MMWORD [wk(1)] ; mm3=(24 34 25 35)
- movq MMWORD [wk(0)], mm7 ; wk(0)=tmp6
- movq MMWORD [wk(1)], mm6 ; wk(1)=tmp7
-
- movq mm7,mm4 ; transpose coefficients(phase 2)
- punpckldq mm4,mm2 ; mm4=(02 12 22 32)=data2
- punpckhdq mm7,mm2 ; mm7=(03 13 23 33)=data3
- movq mm6,mm1 ; transpose coefficients(phase 2)
- punpckldq mm1,mm3 ; mm1=(04 14 24 34)=data4
- punpckhdq mm6,mm3 ; mm6=(05 15 25 35)=data5
-
- movq mm2,mm7
- movq mm3,mm4
- paddw mm7,mm1 ; mm7=data3+data4=tmp3
- paddw mm4,mm6 ; mm4=data2+data5=tmp2
- psubw mm2,mm1 ; mm2=data3-data4=tmp4
- psubw mm3,mm6 ; mm3=data2-data5=tmp5
-
- ; -- Even part
-
- movq mm1,mm5
- movq mm6,mm0
- psubw mm5,mm7 ; mm5=tmp13
- psubw mm0,mm4 ; mm0=tmp12
- paddw mm1,mm7 ; mm1=tmp10
- paddw mm6,mm4 ; mm6=tmp11
-
- paddw mm0,mm5
- psllw mm0,PRE_MULTIPLY_SCALE_BITS
- pmulhw mm0,[GOTOFF(ebx,PW_F0707)] ; mm0=z1
-
- movq mm7,mm1
- movq mm4,mm5
- psubw mm1,mm6 ; mm1=data4
- psubw mm5,mm0 ; mm5=data6
- paddw mm7,mm6 ; mm7=data0
- paddw mm4,mm0 ; mm4=data2
-
- movq MMWORD [MMBLOCK(0,1,edx,SIZEOF_DCTELEM)], mm1
- movq MMWORD [MMBLOCK(2,1,edx,SIZEOF_DCTELEM)], mm5
- movq MMWORD [MMBLOCK(0,0,edx,SIZEOF_DCTELEM)], mm7
- movq MMWORD [MMBLOCK(2,0,edx,SIZEOF_DCTELEM)], mm4
-
- ; -- Odd part
-
- movq mm6, MMWORD [wk(0)] ; mm6=tmp6
- movq mm0, MMWORD [wk(1)] ; mm0=tmp7
-
- paddw mm2,mm3 ; mm2=tmp10
- paddw mm3,mm6 ; mm3=tmp11
- paddw mm6,mm0 ; mm6=tmp12, mm0=tmp7
-
- psllw mm2,PRE_MULTIPLY_SCALE_BITS
- psllw mm6,PRE_MULTIPLY_SCALE_BITS
-
- psllw mm3,PRE_MULTIPLY_SCALE_BITS
- pmulhw mm3,[GOTOFF(ebx,PW_F0707)] ; mm3=z3
-
- movq mm1,mm2 ; mm1=tmp10
- psubw mm2,mm6
- pmulhw mm2,[GOTOFF(ebx,PW_F0382)] ; mm2=z5
- pmulhw mm1,[GOTOFF(ebx,PW_F0541)] ; mm1=MULTIPLY(tmp10,FIX_0_54119610)
- pmulhw mm6,[GOTOFF(ebx,PW_F1306)] ; mm6=MULTIPLY(tmp12,FIX_1_30656296)
- paddw mm1,mm2 ; mm1=z2
- paddw mm6,mm2 ; mm6=z4
-
- movq mm5,mm0
- psubw mm0,mm3 ; mm0=z13
- paddw mm5,mm3 ; mm5=z11
-
- movq mm7,mm0
- movq mm4,mm5
- psubw mm0,mm1 ; mm0=data3
- psubw mm5,mm6 ; mm5=data7
- paddw mm7,mm1 ; mm7=data5
- paddw mm4,mm6 ; mm4=data1
-
- movq MMWORD [MMBLOCK(3,0,edx,SIZEOF_DCTELEM)], mm0
- movq MMWORD [MMBLOCK(3,1,edx,SIZEOF_DCTELEM)], mm5
- movq MMWORD [MMBLOCK(1,1,edx,SIZEOF_DCTELEM)], mm7
- movq MMWORD [MMBLOCK(1,0,edx,SIZEOF_DCTELEM)], mm4
-
- add edx, byte 4*DCTSIZE*SIZEOF_DCTELEM
- dec ecx
- jnz near .rowloop
-
- ; ---- Pass 2: process columns.
-
- mov edx, POINTER [data(eax)] ; (DCTELEM *)
- mov ecx, DCTSIZE/4
- alignx 16,7
-.columnloop:
-
- movq mm0, MMWORD [MMBLOCK(2,0,edx,SIZEOF_DCTELEM)]
- movq mm1, MMWORD [MMBLOCK(3,0,edx,SIZEOF_DCTELEM)]
- movq mm2, MMWORD [MMBLOCK(6,0,edx,SIZEOF_DCTELEM)]
- movq mm3, MMWORD [MMBLOCK(7,0,edx,SIZEOF_DCTELEM)]
-
- ; mm0=(02 12 22 32), mm2=(42 52 62 72)
- ; mm1=(03 13 23 33), mm3=(43 53 63 73)
-
- movq mm4,mm0 ; transpose coefficients(phase 1)
- punpcklwd mm0,mm1 ; mm0=(02 03 12 13)
- punpckhwd mm4,mm1 ; mm4=(22 23 32 33)
- movq mm5,mm2 ; transpose coefficients(phase 1)
- punpcklwd mm2,mm3 ; mm2=(42 43 52 53)
- punpckhwd mm5,mm3 ; mm5=(62 63 72 73)
-
- movq mm6, MMWORD [MMBLOCK(0,0,edx,SIZEOF_DCTELEM)]
- movq mm7, MMWORD [MMBLOCK(1,0,edx,SIZEOF_DCTELEM)]
- movq mm1, MMWORD [MMBLOCK(4,0,edx,SIZEOF_DCTELEM)]
- movq mm3, MMWORD [MMBLOCK(5,0,edx,SIZEOF_DCTELEM)]
-
- ; mm6=(00 10 20 30), mm1=(40 50 60 70)
- ; mm7=(01 11 21 31), mm3=(41 51 61 71)
-
- movq MMWORD [wk(0)], mm4 ; wk(0)=(22 23 32 33)
- movq MMWORD [wk(1)], mm2 ; wk(1)=(42 43 52 53)
-
- movq mm4,mm6 ; transpose coefficients(phase 1)
- punpcklwd mm6,mm7 ; mm6=(00 01 10 11)
- punpckhwd mm4,mm7 ; mm4=(20 21 30 31)
- movq mm2,mm1 ; transpose coefficients(phase 1)
- punpcklwd mm1,mm3 ; mm1=(40 41 50 51)
- punpckhwd mm2,mm3 ; mm2=(60 61 70 71)
-
- movq mm7,mm6 ; transpose coefficients(phase 2)
- punpckldq mm6,mm0 ; mm6=(00 01 02 03)=data0
- punpckhdq mm7,mm0 ; mm7=(10 11 12 13)=data1
- movq mm3,mm2 ; transpose coefficients(phase 2)
- punpckldq mm2,mm5 ; mm2=(60 61 62 63)=data6
- punpckhdq mm3,mm5 ; mm3=(70 71 72 73)=data7
-
- movq mm0,mm7
- movq mm5,mm6
- psubw mm7,mm2 ; mm7=data1-data6=tmp6
- psubw mm6,mm3 ; mm6=data0-data7=tmp7
- paddw mm0,mm2 ; mm0=data1+data6=tmp1
- paddw mm5,mm3 ; mm5=data0+data7=tmp0
-
- movq mm2, MMWORD [wk(0)] ; mm2=(22 23 32 33)
- movq mm3, MMWORD [wk(1)] ; mm3=(42 43 52 53)
- movq MMWORD [wk(0)], mm7 ; wk(0)=tmp6
- movq MMWORD [wk(1)], mm6 ; wk(1)=tmp7
-
- movq mm7,mm4 ; transpose coefficients(phase 2)
- punpckldq mm4,mm2 ; mm4=(20 21 22 23)=data2
- punpckhdq mm7,mm2 ; mm7=(30 31 32 33)=data3
- movq mm6,mm1 ; transpose coefficients(phase 2)
- punpckldq mm1,mm3 ; mm1=(40 41 42 43)=data4
- punpckhdq mm6,mm3 ; mm6=(50 51 52 53)=data5
-
- movq mm2,mm7
- movq mm3,mm4
- paddw mm7,mm1 ; mm7=data3+data4=tmp3
- paddw mm4,mm6 ; mm4=data2+data5=tmp2
- psubw mm2,mm1 ; mm2=data3-data4=tmp4
- psubw mm3,mm6 ; mm3=data2-data5=tmp5
-
- ; -- Even part
-
- movq mm1,mm5
- movq mm6,mm0
- psubw mm5,mm7 ; mm5=tmp13
- psubw mm0,mm4 ; mm0=tmp12
- paddw mm1,mm7 ; mm1=tmp10
- paddw mm6,mm4 ; mm6=tmp11
-
- paddw mm0,mm5
- psllw mm0,PRE_MULTIPLY_SCALE_BITS
- pmulhw mm0,[GOTOFF(ebx,PW_F0707)] ; mm0=z1
-
- movq mm7,mm1
- movq mm4,mm5
- psubw mm1,mm6 ; mm1=data4
- psubw mm5,mm0 ; mm5=data6
- paddw mm7,mm6 ; mm7=data0
- paddw mm4,mm0 ; mm4=data2
-
- movq MMWORD [MMBLOCK(4,0,edx,SIZEOF_DCTELEM)], mm1
- movq MMWORD [MMBLOCK(6,0,edx,SIZEOF_DCTELEM)], mm5
- movq MMWORD [MMBLOCK(0,0,edx,SIZEOF_DCTELEM)], mm7
- movq MMWORD [MMBLOCK(2,0,edx,SIZEOF_DCTELEM)], mm4
-
- ; -- Odd part
-
- movq mm6, MMWORD [wk(0)] ; mm6=tmp6
- movq mm0, MMWORD [wk(1)] ; mm0=tmp7
-
- paddw mm2,mm3 ; mm2=tmp10
- paddw mm3,mm6 ; mm3=tmp11
- paddw mm6,mm0 ; mm6=tmp12, mm0=tmp7
-
- psllw mm2,PRE_MULTIPLY_SCALE_BITS
- psllw mm6,PRE_MULTIPLY_SCALE_BITS
-
- psllw mm3,PRE_MULTIPLY_SCALE_BITS
- pmulhw mm3,[GOTOFF(ebx,PW_F0707)] ; mm3=z3
-
- movq mm1,mm2 ; mm1=tmp10
- psubw mm2,mm6
- pmulhw mm2,[GOTOFF(ebx,PW_F0382)] ; mm2=z5
- pmulhw mm1,[GOTOFF(ebx,PW_F0541)] ; mm1=MULTIPLY(tmp10,FIX_0_54119610)
- pmulhw mm6,[GOTOFF(ebx,PW_F1306)] ; mm6=MULTIPLY(tmp12,FIX_1_30656296)
- paddw mm1,mm2 ; mm1=z2
- paddw mm6,mm2 ; mm6=z4
-
- movq mm5,mm0
- psubw mm0,mm3 ; mm0=z13
- paddw mm5,mm3 ; mm5=z11
-
- movq mm7,mm0
- movq mm4,mm5
- psubw mm0,mm1 ; mm0=data3
- psubw mm5,mm6 ; mm5=data7
- paddw mm7,mm1 ; mm7=data5
- paddw mm4,mm6 ; mm4=data1
-
- movq MMWORD [MMBLOCK(3,0,edx,SIZEOF_DCTELEM)], mm0
- movq MMWORD [MMBLOCK(7,0,edx,SIZEOF_DCTELEM)], mm5
- movq MMWORD [MMBLOCK(5,0,edx,SIZEOF_DCTELEM)], mm7
- movq MMWORD [MMBLOCK(1,0,edx,SIZEOF_DCTELEM)], mm4
-
- add edx, byte 4*SIZEOF_DCTELEM
- dec ecx
- jnz near .columnloop
-
- emms ; empty MMX 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
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