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Add x86 implementation of ?sum 

as trivial copy of ?asum with the fabs calls removed
tags/v0.3.6^2
Martin Kroeker GitHub 6 years ago
parent
70f2a4e0d7
commit
e3bc83f2a8
No known key found for this signature in database GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 415 additions and 0 deletions
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  1. +207
    -0
      kernel/x86/sum.S
  2. +208
    -0
      kernel/x86/zsum.S

+ 207
- 0
kernel/x86/sum.S View File

@@ -0,0 +1,207 @@
/*********************************************************************/
/* Copyright 2009, 2010 The University of Texas at Austin. */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or */
/* without modification, are permitted provided that the following */
/* conditions are met: */
/* */
/* 1. Redistributions of source code must retain the above */
/* copyright notice, this list of conditions and the following */
/* disclaimer. */
/* */
/* 2. Redistributions in binary form must reproduce the above */
/* copyright notice, this list of conditions and the following */
/* disclaimer in the documentation and/or other materials */
/* provided with the distribution. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
/* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
/* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
/* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
/* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
/* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
/* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
/* POSSIBILITY OF SUCH DAMAGE. */
/* */
/* The views and conclusions contained in the software and */
/* documentation are those of the authors and should not be */
/* interpreted as representing official policies, either expressed */
/* or implied, of The University of Texas at Austin. */
/*********************************************************************/

#define ASSEMBLER
#include "common.h"

#define STACK 8
#define ARGS 0

#define STACK_M 4 + STACK + ARGS(%esp)
#define STACK_X 8 + STACK + ARGS(%esp)
#define STACK_INCX 12 + STACK + ARGS(%esp)

#define M %edx
#define X %ecx
#define INCX %esi

#define I %eax

#include "l1param.h"

PROLOGUE

pushl %esi
pushl %ebx

PROFCODE

#if defined(F_INTERFACE_GFORT) || defined(F_INTERFACE_G95)
EMMS
#endif

movl STACK_M, M
movl STACK_X, X
movl STACK_INCX, INCX

#ifdef F_INTERFACE
movl (M), M
movl (INCX), INCX
#endif

fldz
testl M, M
jle .L999
testl INCX, INCX
jle .L999

sall $BASE_SHIFT, INCX
fldz
fldz
fldz
cmpl $SIZE, INCX
jne .L40

movl M, I
sarl $3, I
jle .L20
ALIGN_4

.L10:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X)
#endif

FLD 0 * SIZE(X)
FLD 1 * SIZE(X)
FLD 2 * SIZE(X)
FLD 3 * SIZE(X)

faddp %st, %st(7)
faddp %st, %st(5)
faddp %st, %st(3)
faddp %st, %st(1)

FLD 4 * SIZE(X)
FLD 5 * SIZE(X)
FLD 6 * SIZE(X)
FLD 7 * SIZE(X)

addl $8 * SIZE, X

faddp %st, %st(7)
faddp %st, %st(5)
faddp %st, %st(3)
faddp %st, %st(1)

decl I
jg .L10
ALIGN_4

.L20:
movl M, I
andl $7, I
jle .L998
ALIGN_4


.L21:
FLD (X)
faddp %st,%st(1)
addl $1 * SIZE, X
decl I
jg .L21
jmp .L998
ALIGN_4

.L40:
movl M, I
sarl $3, I
jle .L60
ALIGN_4

.L50:
FLD (X)
addl INCX, X
FLD (X)
addl INCX, X
FLD (X)
addl INCX, X
FLD (X)
addl INCX, X

faddp %st, %st(7)
faddp %st, %st(5)
faddp %st, %st(3)
faddp %st, %st(1)

FLD (X)
addl INCX, X
FLD (X)
addl INCX, X
FLD (X)
addl INCX, X
FLD (X)
addl INCX, X

faddp %st, %st(7)
faddp %st, %st(5)
faddp %st, %st(3)
faddp %st, %st(1)

decl I
jg .L50
ALIGN_4

.L60:
movl M, I
andl $7, I
jle .L998
ALIGN_4


.L61:
FLD (X)
addl INCX, X
faddp %st,%st(1)
decl I
jg .L61
ALIGN_4

.L998:
faddp %st,%st(2)
faddp %st,%st(1)
faddp %st,%st(1)
ALIGN_4

.L999:
popl %ebx
popl %esi
ret

EPILOGUE

+ 208
- 0
kernel/x86/zsum.S View File

@@ -0,0 +1,208 @@
/*********************************************************************/
/* Copyright 2009, 2010 The University of Texas at Austin. */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or */
/* without modification, are permitted provided that the following */
/* conditions are met: */
/* */
/* 1. Redistributions of source code must retain the above */
/* copyright notice, this list of conditions and the following */
/* disclaimer. */
/* */
/* 2. Redistributions in binary form must reproduce the above */
/* copyright notice, this list of conditions and the following */
/* disclaimer in the documentation and/or other materials */
/* provided with the distribution. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
/* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
/* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
/* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
/* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
/* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
/* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
/* POSSIBILITY OF SUCH DAMAGE. */
/* */
/* The views and conclusions contained in the software and */
/* documentation are those of the authors and should not be */
/* interpreted as representing official policies, either expressed */
/* or implied, of The University of Texas at Austin. */
/*********************************************************************/

#define ASSEMBLER
#include "common.h"

#define STACK 8
#define ARGS 0

#define STACK_M 4 + STACK + ARGS(%esp)
#define STACK_X 8 + STACK + ARGS(%esp)
#define STACK_INCX 12 + STACK + ARGS(%esp)

#define M %edx
#define X %ecx
#define INCX %esi

#define I %eax

#include "l1param.h"

PROLOGUE

pushl %esi
pushl %ebx

PROFCODE

#if defined(F_INTERFACE_GFORT) || defined(F_INTERFACE_G95)
EMMS
#endif

movl STACK_M, M
movl STACK_X, X
movl STACK_INCX, INCX

#ifdef F_INTERFACE
movl (M), M
movl (INCX), INCX
#endif

fldz
testl M, M
jle .L999
testl INCX, INCX
jle .L999

sall $ZBASE_SHIFT, INCX

fldz
fldz
fldz
cmpl $SIZE * 2, INCX
jne .L40

movl M, I
sarl $2, I
jle .L20
ALIGN_4

.L10:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X)
#endif

FLD 0 * SIZE(X)
FLD 1 * SIZE(X)
FLD 2 * SIZE(X)
FLD 3 * SIZE(X)

faddp %st, %st(7)
faddp %st, %st(5)
faddp %st, %st(3)
faddp %st, %st(1)

FLD 4 * SIZE(X)
FLD 5 * SIZE(X)
FLD 6 * SIZE(X)
FLD 7 * SIZE(X)

addl $8 * SIZE, X

faddp %st, %st(7)
faddp %st, %st(5)
faddp %st, %st(3)
faddp %st, %st(1)

decl I
jg .L10
ALIGN_4

.L20:
movl M, I
andl $3, I
jle .L998
ALIGN_4


.L21:
FLD 0 * SIZE(X)
FLD 1 * SIZE(X)
faddp %st,%st(3)
faddp %st,%st(1)
addl $2 * SIZE, X
decl I
jg .L21
jmp .L998
ALIGN_4

.L40:
movl M, I
sarl $2, I
jle .L60
ALIGN_4

.L50:
FLD 0 * SIZE(X)
FLD 1 * SIZE(X)
addl INCX, X
FLD 0 * SIZE(X)
FLD 1 * SIZE(X)
addl INCX, X

faddp %st, %st(7)
faddp %st, %st(5)
faddp %st, %st(3)
faddp %st, %st(1)

FLD 0 * SIZE(X)
FLD 1 * SIZE(X)
addl INCX, X
FLD 0 * SIZE(X)
FLD 1 * SIZE(X)
addl INCX, X

faddp %st, %st(7)
faddp %st, %st(5)
faddp %st, %st(3)
faddp %st, %st(1)

decl I
jg .L50
ALIGN_4

.L60:
movl M, I
andl $3, I
jle .L998
ALIGN_4


.L61:
FLD 0 * SIZE(X)
FLD 1 * SIZE(X)
addl INCX, X
faddp %st,%st(3)
faddp %st,%st(1)
decl I
jg .L61
ALIGN_4

.L998:
faddp %st,%st(2)
faddp %st,%st(1)
faddp %st,%st(1)
ALIGN_4

.L999:
popl %ebx
popl %esi
ret

EPILOGUE

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