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Add x86_64 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
commit
9d717cb5ee
No known key found for this signature in database GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 359 additions and 0 deletions
  1. +179
    -0
      kernel/x86_64/sum.S
  2. +180
    -0
      kernel/x86_64/zsum.S

+ 179
- 0
kernel/x86_64/sum.S View File

@@ -0,0 +1,179 @@
/*********************************************************************/
/* 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 M ARG1
#define X ARG2
#define INCX ARG3

#define I %rax

#include "l1param.h"

PROLOGUE
PROFCODE

fldz
testq M, M
jle .L999
testq INCX, INCX
jle .L999

salq $BASE_SHIFT, INCX

fldz
fldz
fldz
cmpq $SIZE, INCX
jne .L40

movq M, I
sarq $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)

addq $8 * SIZE, X

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

decq I
jg .L10
ALIGN_4

.L20:
andq $7, M
jle .L998
ALIGN_4

.L21:
FLD (X)
faddp %st,%st(1)
addq $1 * SIZE, X
decq M
jg .L21
jmp .L998
ALIGN_4

.L40:
movq M, I
sarq $3, I
jle .L60
ALIGN_4

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

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

FLD (X)
addq INCX, X
FLD (X)
addq INCX, X
FLD (X)
addq INCX, X
FLD (X)
addq INCX, X

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

decq I
jg .L50
ALIGN_4

.L60:
andq $7, M
jle .L998
ALIGN_4


.L61:
FLD (X)
addq INCX, X
faddp %st,%st(1)
decq M
jg .L61
ALIGN_4

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

.L999:
ret

EPILOGUE

+ 180
- 0
kernel/x86_64/zsum.S View File

@@ -0,0 +1,180 @@
/*********************************************************************/
/* 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 M ARG1
#define X ARG2
#define INCX ARG3

#define I %rax

#include "l1param.h"

PROLOGUE
PROFCODE

fldz
testq M, M
jle .L999
testq INCX, INCX
jle .L999

salq $ZBASE_SHIFT, INCX

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

movq M, I
sarq $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)

addq $8 * SIZE, X

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

decq I
jg .L10
ALIGN_4

.L20:
andq $3, M
jle .L998
ALIGN_4


.L21:
FLD 0 * SIZE(X)
FLD 1 * SIZE(X)
faddp %st,%st(3)
faddp %st,%st(1)
addq $2 * SIZE, X
decq M
jg .L21
jmp .L998
ALIGN_4

.L40:
movq M, I
sarq $2, I
jle .L60
ALIGN_4

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

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

decq I
jg .L50
ALIGN_4

.L60:
andq $3, M
jle .L998
ALIGN_4


.L61:
FLD 0 * SIZE(X)
FLD 1 * SIZE(X)
addq INCX, X
faddp %st,%st(3)
faddp %st,%st(1)
decq M
jg .L61
ALIGN_4

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

.L999:
ret

EPILOGUE

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