/*********************************************************************/
/* 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"
#ifndef WINDOWS_ABI
#define M ARG1
#define X ARG4
#define INCX ARG5
#define Y ARG6
#define INCY ARG2
#else
#define M ARG1
#define X ARG2
#define INCX ARG3
#define Y ARG4
#define INCY %r10
#endif
#define YY %r11
#define ALPHA %xmm15
#include "l1param.h"
PROLOGUE
PROFCODE
#ifndef WINDOWS_ABI
#ifndef XDOUBLE
movq 8(%rsp), INCY
#else
movq 24(%rsp), INCY
#endif
movaps %xmm0, ALPHA
#else
movaps %xmm3, ALPHA
movq 40(%rsp), X
movq 48(%rsp), INCX
movq 56(%rsp), Y
movq 64(%rsp), INCY
#endif
SAVEREGISTERS
unpcklpd ALPHA, ALPHA
leaq (, INCX, SIZE), INCX
leaq (, INCY, SIZE), INCY
testq M, M
jle .L47
cmpq $SIZE, INCX
jne .L40
cmpq $SIZE, INCY
jne .L40
testq $SIZE, Y
je .L10
movsd (X), %xmm0
mulsd ALPHA, %xmm0
addsd (Y), %xmm0
movsd %xmm0, (Y)
addq $1 * SIZE, X
addq $1 * SIZE, Y
decq M
jle .L19
ALIGN_4
.L10:
subq $-16 * SIZE, X
subq $-16 * SIZE, Y
testq $SIZE, X
jne .L20
movq M, %rax
sarq $4, %rax
jle .L13
movaps -16 * SIZE(X), %xmm0
movaps -14 * SIZE(X), %xmm1
movaps -12 * SIZE(X), %xmm2
movaps -10 * SIZE(X), %xmm3
decq %rax
jle .L12
ALIGN_3
.L11:
movaps -8 * SIZE(X), %xmm4
movaps -6 * SIZE(X), %xmm5
#ifdef PREFETCHW
PREFETCHW (PREFETCHSIZE + 0) - PREOFFSET(Y)
#endif
mulpd ALPHA, %xmm0
addpd -16 * SIZE(Y), %xmm0
movaps %xmm0, -16 * SIZE(Y)
mulpd ALPHA, %xmm1
addpd -14 * SIZE(Y), %xmm1
movaps %xmm1, -14 * SIZE(Y)
movaps -4 * SIZE(X), %xmm6
movaps -2 * SIZE(X), %xmm7
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X)
#endif
mulpd ALPHA, %xmm2
addpd -12 * SIZE(Y), %xmm2
movaps %xmm2, -12 * SIZE(Y)
mulpd ALPHA, %xmm3
addpd -10 * SIZE(Y), %xmm3
movaps %xmm3, -10 * SIZE(Y)
movaps 0 * SIZE(X), %xmm0
movaps 2 * SIZE(X), %xmm1
#if defined(PREFETCHW) && !defined(FETCH128)
PREFETCHW (PREFETCHSIZE + 64) - PREOFFSET(Y)
#endif
mulpd ALPHA, %xmm4
addpd -8 * SIZE(Y), %xmm4
movaps %xmm4, -8 * SIZE(Y)
mulpd ALPHA, %xmm5
addpd -6 * SIZE(Y), %xmm5
movaps %xmm5, -6 * SIZE(Y)
movaps 4 * SIZE(X), %xmm2
movaps 6 * SIZE(X), %xmm3
#if defined(PREFETCH) && !defined(FETCH128)
PREFETCH (PREFETCHSIZE + 64) - PREOFFSET(X)
#endif
mulpd ALPHA, %xmm6
addpd -4 * SIZE(Y), %xmm6
movaps %xmm6, -4 * SIZE(Y)
mulpd ALPHA, %xmm7
addpd -2 * SIZE(Y), %xmm7
movaps %xmm7, -2 * SIZE(Y)
subq $-16 * SIZE, Y
subq $-16 * SIZE, X
decq %rax
jg .L11
ALIGN_3
.L12:
movaps -8 * SIZE(X), %xmm4
movaps -6 * SIZE(X), %xmm5
mulpd ALPHA, %xmm0
addpd -16 * SIZE(Y), %xmm0
movaps %xmm0, -16 * SIZE(Y)
mulpd ALPHA, %xmm1
addpd -14 * SIZE(Y), %xmm1
movaps %xmm1, -14 * SIZE(Y)
movaps -4 * SIZE(X), %xmm6
movaps -2 * SIZE(X), %xmm7
mulpd ALPHA, %xmm2
addpd -12 * SIZE(Y), %xmm2
movaps %xmm2, -12 * SIZE(Y)
mulpd ALPHA, %xmm3
addpd -10 * SIZE(Y), %xmm3
movaps %xmm3, -10 * SIZE(Y)
mulpd ALPHA, %xmm4
addpd -8 * SIZE(Y), %xmm4
movaps %xmm4, -8 * SIZE(Y)
mulpd ALPHA, %xmm5
addpd -6 * SIZE(Y), %xmm5
movaps %xmm5, -6 * SIZE(Y)
mulpd ALPHA, %xmm6
addpd -4 * SIZE(Y), %xmm6
movaps %xmm6, -4 * SIZE(Y)
mulpd ALPHA, %xmm7
addpd -2 * SIZE(Y), %xmm7
movaps %xmm7, -2 * SIZE(Y)
subq $-16 * SIZE, Y
subq $-16 * SIZE, X
ALIGN_3
.L13:
movq M, %rax
andq $8, %rax
jle .L14
ALIGN_3
movaps -16 * SIZE(X), %xmm0
movaps -14 * SIZE(X), %xmm1
movaps -12 * SIZE(X), %xmm2
movaps -10 * SIZE(X), %xmm3
mulpd ALPHA, %xmm0
addpd -16 * SIZE(Y), %xmm0
mulpd ALPHA, %xmm1
addpd -14 * SIZE(Y), %xmm1
mulpd ALPHA, %xmm2
addpd -12 * SIZE(Y), %xmm2
mulpd ALPHA, %xmm3
addpd -10 * SIZE(Y), %xmm3
movaps %xmm0, -16 * SIZE(Y)
movaps %xmm1, -14 * SIZE(Y)
movaps %xmm2, -12 * SIZE(Y)
movaps %xmm3, -10 * SIZE(Y)
addq $8 * SIZE, X
addq $8 * SIZE, Y
ALIGN_3
.L14:
movq M, %rax
andq $4, %rax
jle .L15
ALIGN_3
movaps -16 * SIZE(X), %xmm0
movaps -14 * SIZE(X), %xmm1
mulpd ALPHA, %xmm0
mulpd ALPHA, %xmm1
addpd -16 * SIZE(Y), %xmm0
addpd -14 * SIZE(Y), %xmm1
movaps %xmm0, -16 * SIZE(Y)
movaps %xmm1, -14 * SIZE(Y)
addq $4 * SIZE, X
addq $4 * SIZE, Y
ALIGN_3
.L15:
movq M, %rax
andq $2, %rax
jle .L16
ALIGN_3
movaps -16 * SIZE(X), %xmm0
mulpd ALPHA, %xmm0
addpd -16 * SIZE(Y), %xmm0
movaps %xmm0, -16 * SIZE(Y)
addq $2 * SIZE, X
addq $2 * SIZE, Y
ALIGN_3
.L16:
movq M, %rax
andq $1, %rax
jle .L19
ALIGN_3
movsd -16 * SIZE(X), %xmm0
mulsd ALPHA, %xmm0
addsd -16 * SIZE(Y), %xmm0
movsd %xmm0, -16 * SIZE(Y)
ALIGN_3
.L19:
xorq %rax,%rax
RESTOREREGISTERS
ret
ALIGN_3
.L20:
#ifdef ALIGNED_ACCESS
movhps -16 * SIZE(X), %xmm0
movq M, %rax
sarq $4, %rax
jle .L23
movaps -15 * SIZE(X), %xmm1
movaps -13 * SIZE(X), %xmm2
movaps -11 * SIZE(X), %xmm3
decq %rax
jle .L22
ALIGN_4
.L21:
movaps -9 * SIZE(X), %xmm4
movaps -7 * SIZE(X), %xmm5
#ifdef PREFETCHW
PREFETCHW (PREFETCHSIZE + 0) - PREOFFSET(Y)
#endif
SHUFPD_1 %xmm1, %xmm0
mulpd ALPHA, %xmm0
addpd -16 * SIZE(Y), %xmm0
movaps %xmm0, -16 * SIZE(Y)
SHUFPD_1 %xmm2, %xmm1
mulpd ALPHA, %xmm1
addpd -14 * SIZE(Y), %xmm1
movaps %xmm1, -14 * SIZE(Y)
movaps -5 * SIZE(X), %xmm6
movaps -3 * SIZE(X), %xmm7
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X)
#endif
SHUFPD_1 %xmm3, %xmm2
mulpd ALPHA, %xmm2
addpd -12 * SIZE(Y), %xmm2
movaps %xmm2, -12 * SIZE(Y)
SHUFPD_1 %xmm4, %xmm3
mulpd ALPHA, %xmm3
addpd -10 * SIZE(Y), %xmm3
movaps %xmm3, -10 * SIZE(Y)
movaps -1 * SIZE(X), %xmm0
movaps 1 * SIZE(X), %xmm1
#if defined(PREFETCHW) && !defined(FETCH128)
PREFETCHW (PREFETCHSIZE + 64) - PREOFFSET(Y)
#endif
SHUFPD_1 %xmm5, %xmm4
mulpd ALPHA, %xmm4
addpd -8 * SIZE(Y), %xmm4
movaps %xmm4, -8 * SIZE(Y)
SHUFPD_1 %xmm6, %xmm5
mulpd ALPHA, %xmm5
addpd -6 * SIZE(Y), %xmm5
movaps %xmm5, -6 * SIZE(Y)
movaps 3 * SIZE(X), %xmm2
movaps 5 * SIZE(X), %xmm3
#if defined(PREFETCH) && !defined(FETCH128)
PREFETCH (PREFETCHSIZE + 64) - PREOFFSET(X)
#endif
SHUFPD_1 %xmm7, %xmm6
mulpd ALPHA, %xmm6
addpd -4 * SIZE(Y), %xmm6
movaps %xmm6, -4 * SIZE(Y)
SHUFPD_1 %xmm0, %xmm7
mulpd ALPHA, %xmm7
addpd -2 * SIZE(Y), %xmm7
movaps %xmm7, -2 * SIZE(Y)
subq $-16 * SIZE, X
subq $-16 * SIZE, Y
decq %rax
jg .L21
ALIGN_3
.L22:
movaps -9 * SIZE(X), %xmm4
movaps -7 * SIZE(X), %xmm5
SHUFPD_1 %xmm1, %xmm0
mulpd ALPHA, %xmm0
addpd -16 * SIZE(Y), %xmm0
movaps %xmm0, -16 * SIZE(Y)
movaps -1 * SIZE(X), %xmm0
SHUFPD_1 %xmm2, %xmm1
mulpd ALPHA, %xmm1
addpd -14 * SIZE(Y), %xmm1
movaps %xmm1, -14 * SIZE(Y)
movaps -5 * SIZE(X), %xmm6
movaps -3 * SIZE(X), %xmm7
SHUFPD_1 %xmm3, %xmm2
mulpd ALPHA, %xmm2
addpd -12 * SIZE(Y), %xmm2
movaps %xmm2, -12 * SIZE(Y)
SHUFPD_1 %xmm4, %xmm3
mulpd ALPHA, %xmm3
addpd -10 * SIZE(Y), %xmm3
movaps %xmm3, -10 * SIZE(Y)
SHUFPD_1 %xmm5, %xmm4
mulpd ALPHA, %xmm4
addpd -8 * SIZE(Y), %xmm4
movaps %xmm4, -8 * SIZE(Y)
SHUFPD_1 %xmm6, %xmm5
mulpd ALPHA, %xmm5
addpd -6 * SIZE(Y), %xmm5
movaps %xmm5, -6 * SIZE(Y)
SHUFPD_1 %xmm7, %xmm6
mulpd ALPHA, %xmm6
addpd -4 * SIZE(Y), %xmm6
movaps %xmm6, -4 * SIZE(Y)
SHUFPD_1 %xmm0, %xmm7
mulpd ALPHA, %xmm7
addpd -2 * SIZE(Y), %xmm7
movaps %xmm7, -2 * SIZE(Y)
subq $-16 * SIZE, X
subq $-16 * SIZE, Y
ALIGN_3
.L23:
movq M, %rax
andq $8, %rax
jle .L24
ALIGN_3
movaps -15 * SIZE(X), %xmm1
movaps -13 * SIZE(X), %xmm2
movaps -11 * SIZE(X), %xmm3
movaps -9 * SIZE(X), %xmm8
SHUFPD_1 %xmm1, %xmm0
mulpd ALPHA, %xmm0
addpd -16 * SIZE(Y), %xmm0
movaps %xmm0, -16 * SIZE(Y)
SHUFPD_1 %xmm2, %xmm1
mulpd ALPHA, %xmm1
addpd -14 * SIZE(Y), %xmm1
movaps %xmm1, -14 * SIZE(Y)
SHUFPD_1 %xmm3, %xmm2
mulpd ALPHA, %xmm2
addpd -12 * SIZE(Y), %xmm2
movaps %xmm2, -12 * SIZE(Y)
SHUFPD_1 %xmm8, %xmm3
mulpd ALPHA, %xmm3
addpd -10 * SIZE(Y), %xmm3
movaps %xmm3, -10 * SIZE(Y)
movaps %xmm8, %xmm0
addq $8 * SIZE, X
addq $8 * SIZE, Y
ALIGN_3
.L24:
movq M, %rax
andq $4, %rax
jle .L25
ALIGN_3
movaps -15 * SIZE(X), %xmm1
movaps -13 * SIZE(X), %xmm2
SHUFPD_1 %xmm1, %xmm0
SHUFPD_1 %xmm2, %xmm1
mulpd ALPHA, %xmm0
mulpd ALPHA, %xmm1
addpd -16 * SIZE(Y), %xmm0
addpd -14 * SIZE(Y), %xmm1
movaps %xmm0, -16 * SIZE(Y)
movaps %xmm1, -14 * SIZE(Y)
movaps %xmm2, %xmm0
addq $4 * SIZE, X
addq $4 * SIZE, Y
ALIGN_3
.L25:
movq M, %rax
andq $2, %rax
jle .L26
ALIGN_3
movaps -15 * SIZE(X), %xmm1
SHUFPD_1 %xmm1, %xmm0
mulpd ALPHA, %xmm0
addpd -16 * SIZE(Y), %xmm0
movaps %xmm0, -16 * SIZE(Y)
addq $2 * SIZE, X
addq $2 * SIZE, Y
ALIGN_3
.L26:
movq M, %rax
andq $1, %rax
jle .L29
ALIGN_3
movsd -16 * SIZE(X), %xmm0
mulsd ALPHA, %xmm0
addsd -16 * SIZE(Y), %xmm0
movsd %xmm0, -16 * SIZE(Y)
ALIGN_3
.L29:
xorq %rax,%rax
RESTOREREGISTERS
ret
ALIGN_3
#else
movq M, %rax
sarq $4, %rax
jle .L23
movsd -16 * SIZE(X), %xmm0
movhps -15 * SIZE(X), %xmm0
movsd -14 * SIZE(X), %xmm1
movhps -13 * SIZE(X), %xmm1
movsd -12 * SIZE(X), %xmm2
movhps -11 * SIZE(X), %xmm2
movsd -10 * SIZE(X), %xmm3
movhps -9 * SIZE(X), %xmm3
decq %rax
jle .L22
ALIGN_3
.L21:
movsd -8 * SIZE(X), %xmm4
movhps -7 * SIZE(X), %xmm4
movsd -6 * SIZE(X), %xmm5
movhps -5 * SIZE(X), %xmm5
#ifdef PREFETCHW
PREFETCHW (PREFETCHSIZE + 0) - PREOFFSET(Y)
#endif
mulpd ALPHA, %xmm0
addpd -16 * SIZE(Y), %xmm0
movaps %xmm0, -16 * SIZE(Y)
mulpd ALPHA, %xmm1
addpd -14 * SIZE(Y), %xmm1
movaps %xmm1, -14 * SIZE(Y)
movsd -4 * SIZE(X), %xmm6
movhps -3 * SIZE(X), %xmm6
movsd -2 * SIZE(X), %xmm7
movhps -1 * SIZE(X), %xmm7
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X)
#endif
mulpd ALPHA, %xmm2
addpd -12 * SIZE(Y), %xmm2
movaps %xmm2, -12 * SIZE(Y)
mulpd ALPHA, %xmm3
addpd -10 * SIZE(Y), %xmm3
movaps %xmm3, -10 * SIZE(Y)
movsd 0 * SIZE(X), %xmm0
movhps 1 * SIZE(X), %xmm0
movsd 2 * SIZE(X), %xmm1
movhps 3 * SIZE(X), %xmm1
#if defined(PREFETCHW) && !defined(FETCH128)
PREFETCHW (PREFETCHSIZE + 64) - PREOFFSET(Y)
#endif
mulpd ALPHA, %xmm4
addpd -8 * SIZE(Y), %xmm4
movaps %xmm4, -8 * SIZE(Y)
mulpd ALPHA, %xmm5
addpd -6 * SIZE(Y), %xmm5
movaps %xmm5, -6 * SIZE(Y)
movsd 4 * SIZE(X), %xmm2
movhps 5 * SIZE(X), %xmm2
movsd 6 * SIZE(X), %xmm3
movhps 7 * SIZE(X), %xmm3
#if defined(PREFETCH) && !defined(FETCH128)
PREFETCH (PREFETCHSIZE + 64) - PREOFFSET(X)
#endif
mulpd ALPHA, %xmm6
addpd -4 * SIZE(Y), %xmm6
movaps %xmm6, -4 * SIZE(Y)
mulpd ALPHA, %xmm7
addpd -2 * SIZE(Y), %xmm7
movaps %xmm7, -2 * SIZE(Y)
subq $-16 * SIZE, Y
subq $-16 * SIZE, X
decq %rax
jg .L21
ALIGN_3
.L22:
movsd -8 * SIZE(X), %xmm4
movhps -7 * SIZE(X), %xmm4
movsd -6 * SIZE(X), %xmm5
movhps -5 * SIZE(X), %xmm5
mulpd ALPHA, %xmm0
addpd -16 * SIZE(Y), %xmm0
movaps %xmm0, -16 * SIZE(Y)
mulpd ALPHA, %xmm1
addpd -14 * SIZE(Y), %xmm1
movaps %xmm1, -14 * SIZE(Y)
movsd -4 * SIZE(X), %xmm6
movhps -3 * SIZE(X), %xmm6
movsd -2 * SIZE(X), %xmm7
movhps -1 * SIZE(X), %xmm7
mulpd ALPHA, %xmm2
addpd -12 * SIZE(Y), %xmm2
movaps %xmm2, -12 * SIZE(Y)
mulpd ALPHA, %xmm3
addpd -10 * SIZE(Y), %xmm3
movaps %xmm3, -10 * SIZE(Y)
mulpd ALPHA, %xmm4
addpd -8 * SIZE(Y), %xmm4
movaps %xmm4, -8 * SIZE(Y)
mulpd ALPHA, %xmm5
addpd -6 * SIZE(Y), %xmm5
movaps %xmm5, -6 * SIZE(Y)
mulpd ALPHA, %xmm6
addpd -4 * SIZE(Y), %xmm6
movaps %xmm6, -4 * SIZE(Y)
mulpd ALPHA, %xmm7
addpd -2 * SIZE(Y), %xmm7
movaps %xmm7, -2 * SIZE(Y)
subq $-16 * SIZE, Y
subq $-16 * SIZE, X
ALIGN_3
.L23:
movq M, %rax
andq $8, %rax
jle .L24
ALIGN_3
movsd -16 * SIZE(X), %xmm0
movhps -15 * SIZE(X), %xmm0
movsd -14 * SIZE(X), %xmm1
movhps -13 * SIZE(X), %xmm1
movsd -12 * SIZE(X), %xmm2
movhps -11 * SIZE(X), %xmm2
movsd -10 * SIZE(X), %xmm3
movhps -9 * SIZE(X), %xmm3
mulpd ALPHA, %xmm0
addpd -16 * SIZE(Y), %xmm0
mulpd ALPHA, %xmm1
addpd -14 * SIZE(Y), %xmm1
mulpd ALPHA, %xmm2
addpd -12 * SIZE(Y), %xmm2
mulpd ALPHA, %xmm3
addpd -10 * SIZE(Y), %xmm3
movaps %xmm0, -16 * SIZE(Y)
movaps %xmm1, -14 * SIZE(Y)
movaps %xmm2, -12 * SIZE(Y)
movaps %xmm3, -10 * SIZE(Y)
addq $8 * SIZE, X
addq $8 * SIZE, Y
ALIGN_3
.L24:
movq M, %rax
andq $4, %rax
jle .L25
ALIGN_3
movsd -16 * SIZE(X), %xmm0
movhps -15 * SIZE(X), %xmm0
movsd -14 * SIZE(X), %xmm1
movhps -13 * SIZE(X), %xmm1
mulpd ALPHA, %xmm0
mulpd ALPHA, %xmm1
addpd -16 * SIZE(Y), %xmm0
addpd -14 * SIZE(Y), %xmm1
movaps %xmm0, -16 * SIZE(Y)
movaps %xmm1, -14 * SIZE(Y)
addq $4 * SIZE, X
addq $4 * SIZE, Y
ALIGN_3
.L25:
movq M, %rax
andq $2, %rax
jle .L26
ALIGN_3
movsd -16 * SIZE(X), %xmm0
movhps -15 * SIZE(X), %xmm0
mulpd ALPHA, %xmm0
addpd -16 * SIZE(Y), %xmm0
movaps %xmm0, -16 * SIZE(Y)
addq $2 * SIZE, X
addq $2 * SIZE, Y
ALIGN_3
.L26:
movq M, %rax
andq $1, %rax
jle .L29
ALIGN_3
movsd -16 * SIZE(X), %xmm0
mulsd ALPHA, %xmm0
addsd -16 * SIZE(Y), %xmm0
movsd %xmm0, -16 * SIZE(Y)
ALIGN_3
.L29:
xorq %rax,%rax
RESTOREREGISTERS
ret
ALIGN_3
#endif
.L40:
movq Y, YY
movq M, %rax
//If incx==0 || incy==0, avoid unloop.
cmpq $0, INCX
je .L46
cmpq $0, INCY
je .L46
sarq $3, %rax
jle .L45
ALIGN_3
.L41:
movsd 0 * SIZE(X), %xmm0
addq INCX, X
movhpd 0 * SIZE(X), %xmm0
addq INCX, X
mulpd ALPHA, %xmm0
movsd 0 * SIZE(YY), %xmm6
addq INCY, YY
movhpd 0 * SIZE(YY), %xmm6
addq INCY, YY
addpd %xmm6, %xmm0
movsd 0 * SIZE(X), %xmm1
addq INCX, X
movhpd 0 * SIZE(X), %xmm1
addq INCX, X
mulpd ALPHA, %xmm1
movsd 0 * SIZE(YY), %xmm6
addq INCY, YY
movhpd 0 * SIZE(YY), %xmm6
addq INCY, YY
addpd %xmm6, %xmm1
movsd 0 * SIZE(X), %xmm2
addq INCX, X
movhpd 0 * SIZE(X), %xmm2
addq INCX, X
mulpd ALPHA, %xmm2
movsd 0 * SIZE(YY), %xmm6
addq INCY, YY
movhpd 0 * SIZE(YY), %xmm6
addq INCY, YY
addpd %xmm6, %xmm2
movsd 0 * SIZE(X), %xmm3
addq INCX, X
movhpd 0 * SIZE(X), %xmm3
addq INCX, X
mulpd ALPHA, %xmm3
movsd 0 * SIZE(YY), %xmm6
addq INCY, YY
movhpd 0 * SIZE(YY), %xmm6
addq INCY, YY
addpd %xmm6, %xmm3
movsd %xmm0, 0 * SIZE(Y)
addq INCY, Y
movhpd %xmm0, 0 * SIZE(Y)
addq INCY, Y
movsd %xmm1, 0 * SIZE(Y)
addq INCY, Y
movhpd %xmm1, 0 * SIZE(Y)
addq INCY, Y
movsd %xmm2, 0 * SIZE(Y)
addq INCY, Y
movhpd %xmm2, 0 * SIZE(Y)
addq INCY, Y
movsd %xmm3, 0 * SIZE(Y)
addq INCY, Y
movhpd %xmm3, 0 * SIZE(Y)
addq INCY, Y
decq %rax
jg .L41
ALIGN_3
.L45:
movq M, %rax
andq $7, %rax
jle .L47
ALIGN_3
.L46:
movsd (X), %xmm0
addq INCX, X
mulsd %xmm15, %xmm0
addsd (Y), %xmm0
movsd %xmm0, (Y)
addq INCY, Y
decq %rax
jg .L46
ALIGN_3
.L47:
xorq %rax, %rax
RESTOREREGISTERS
ret
EPILOGUE