/*********************************************************************/
/* 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"
#ifdef PENTIUM4
#define PREFETCH prefetcht0
#define PREFETCHW prefetcht0
#define PREFETCHSIZE (8 * 2)
#endif
#if defined(CORE2) || defined(PENRYN) || defined(DUNNINGTON) || defined(NEHALEM)
#define PREFETCH prefetcht0
#define PREFETCHW prefetcht0
#define PREFETCHSIZE (8 * 7)
#endif
#ifdef OPTERON
#define PREFETCH prefetchnta
#define PREFETCHW prefetchw
#define PREFETCHSIZE (8 * 3)
#define movsd movlps
#endif
#ifdef BARCELONA
#define PREFETCH prefetchnta
#define PREFETCHW prefetchw
#define PREFETCHSIZE (8 * 5)
#endif
#ifdef ATOM
#define PREFETCH prefetchnta
#define PREFETCHW prefetcht0
#define PREFETCHSIZE (8 * 6)
#endif
#ifdef NANO
#define PREFETCH prefetcht0
#define PREFETCHSIZE (8 * 4)
#endif
#define STACKSIZE 16
#define M 4 + STACKSIZE(%esp)
#define N 8 + STACKSIZE(%esp)
#define ALPHA_R 16 + STACKSIZE(%esp)
#define ALPHA_I 24 + STACKSIZE(%esp)
#define A 32 + STACKSIZE(%esp)
#define STACK_LDA 36 + STACKSIZE(%esp)
#define STACK_X 40 + STACKSIZE(%esp)
#define STACK_INCX 44 + STACKSIZE(%esp)
#define Y 48 + STACKSIZE(%esp)
#define STACK_INCY 52 + STACKSIZE(%esp)
#define BUFFER 56 + STACKSIZE(%esp)
#define I %eax
#define J %ebx
#define INCX J
#define INCY %ecx
#define A1 %esi
#define X %edx
#define Y1 %edi
#define LDA %ebp
#undef SUBPD
#ifndef CONJ
#define SUBPD addpd
#else
#define SUBPD subpd
#endif
PROLOGUE
pushl %ebp
pushl %edi
pushl %esi
pushl %ebx
PROFCODE
movl STACK_LDA, LDA
movl STACK_X, X
movl STACK_INCX, INCX
movl STACK_INCY, INCY
sall $ZBASE_SHIFT, INCX
sall $ZBASE_SHIFT, INCY
sall $ZBASE_SHIFT, LDA
subl $-16 * SIZE, A
cmpl $0, N
jle .L999
cmpl $0, M
jle .L999
movl BUFFER, Y1
movl M, I
sarl $2, I
jle .L05
ALIGN_4
.L02:
movsd 0 * SIZE(X), %xmm0
movhpd 1 * SIZE(X), %xmm0
addl INCX, X
movsd 0 * SIZE(X), %xmm1
movhpd 1 * SIZE(X), %xmm1
addl INCX, X
movsd 0 * SIZE(X), %xmm2
movhpd 1 * SIZE(X), %xmm2
addl INCX, X
movsd 0 * SIZE(X), %xmm3
movhpd 1 * SIZE(X), %xmm3
addl INCX, X
movapd %xmm0, 0 * SIZE(Y1)
movapd %xmm1, 2 * SIZE(Y1)
movapd %xmm2, 4 * SIZE(Y1)
movapd %xmm3, 6 * SIZE(Y1)
addl $8 * SIZE, Y1
decl I
jg .L02
ALIGN_4
.L05:
movl M, I
andl $3, I
jle .L10
ALIGN_2
.L06:
movsd 0 * SIZE(X), %xmm0
movhpd 1 * SIZE(X), %xmm0
addl INCX, X
movapd %xmm0, 0 * SIZE(Y1)
addl $2 * SIZE, Y1
decl I
jg .L06
ALIGN_4
.L10:
movl Y, Y1
movl N, J
ALIGN_3
.L11:
movl BUFFER, X
addl $16 * SIZE, X
movl A, A1
addl LDA, A
xorps %xmm0, %xmm0
xorps %xmm1, %xmm1
movapd -16 * SIZE(X), %xmm2
movapd -14 * SIZE(X), %xmm3
movl M, I
sarl $2, I
jle .L15
movsd -16 * SIZE(A1), %xmm4
movhpd -15 * SIZE(A1), %xmm4
movsd -14 * SIZE(A1), %xmm6
movhpd -13 * SIZE(A1), %xmm6
decl I
jle .L13
ALIGN_4
.L12:
#ifdef PREFETCH
PREFETCH PREFETCHSIZE * SIZE(A1)
#endif
pshufd $0x4e, %xmm4, %xmm5
mulpd %xmm2, %xmm4
addpd %xmm4, %xmm0
movsd -12 * SIZE(A1), %xmm4
movhpd -11 * SIZE(A1), %xmm4
mulpd %xmm2, %xmm5
SUBPD %xmm5, %xmm1
movapd -12 * SIZE(X), %xmm2
pshufd $0x4e, %xmm6, %xmm7
mulpd %xmm3, %xmm6
addpd %xmm6, %xmm0
movsd -10 * SIZE(A1), %xmm6
movhpd -9 * SIZE(A1), %xmm6
mulpd %xmm3, %xmm7
SUBPD %xmm7, %xmm1
movapd -10 * SIZE(X), %xmm3
pshufd $0x4e, %xmm4, %xmm5
mulpd %xmm2, %xmm4
addpd %xmm4, %xmm0
movsd -8 * SIZE(A1), %xmm4
movhpd -7 * SIZE(A1), %xmm4
mulpd %xmm2, %xmm5
movapd -8 * SIZE(X), %xmm2
SUBPD %xmm5, %xmm1
pshufd $0x4e, %xmm6, %xmm7
mulpd %xmm3, %xmm6
addpd %xmm6, %xmm0
movsd -6 * SIZE(A1), %xmm6
movhpd -5 * SIZE(A1), %xmm6
mulpd %xmm3, %xmm7
movapd -6 * SIZE(X), %xmm3
SUBPD %xmm7, %xmm1
addl $8 * SIZE, A1
addl $8 * SIZE, X
decl I
jg .L12
ALIGN_4
.L13:
pshufd $0x4e, %xmm4, %xmm5
mulpd %xmm2, %xmm4
addpd %xmm4, %xmm0
movsd -12 * SIZE(A1), %xmm4
movhpd -11 * SIZE(A1), %xmm4
mulpd %xmm2, %xmm5
SUBPD %xmm5, %xmm1
movapd -12 * SIZE(X), %xmm2
pshufd $0x4e, %xmm6, %xmm7
mulpd %xmm3, %xmm6
addpd %xmm6, %xmm0
movsd -10 * SIZE(A1), %xmm6
movhpd -9 * SIZE(A1), %xmm6
mulpd %xmm3, %xmm7
SUBPD %xmm7, %xmm1
movapd -10 * SIZE(X), %xmm3
pshufd $0x4e, %xmm4, %xmm5
mulpd %xmm2, %xmm4
addpd %xmm4, %xmm0
mulpd %xmm2, %xmm5
movapd -8 * SIZE(X), %xmm2
SUBPD %xmm5, %xmm1
pshufd $0x4e, %xmm6, %xmm7
mulpd %xmm3, %xmm6
addpd %xmm6, %xmm0
mulpd %xmm3, %xmm7
movapd -6 * SIZE(X), %xmm3
SUBPD %xmm7, %xmm1
addl $8 * SIZE, A1
addl $8 * SIZE, X
ALIGN_4
.L15:
testl $2, M
jle .L17
movsd -16 * SIZE(A1), %xmm4
movhpd -15 * SIZE(A1), %xmm4
movsd -14 * SIZE(A1), %xmm6
movhpd -13 * SIZE(A1), %xmm6
pshufd $0x4e, %xmm4, %xmm5
mulpd %xmm2, %xmm4
addpd %xmm4, %xmm0
mulpd %xmm2, %xmm5
movapd -12 * SIZE(X), %xmm2
SUBPD %xmm5, %xmm1
pshufd $0x4e, %xmm6, %xmm7
mulpd %xmm3, %xmm6
addpd %xmm6, %xmm0
mulpd %xmm3, %xmm7
SUBPD %xmm7, %xmm1
addl $4 * SIZE, A1
ALIGN_4
.L17:
testl $1, M
jle .L18
movsd -16 * SIZE(A1), %xmm4
movhpd -15 * SIZE(A1), %xmm4
pshufd $0x4e, %xmm4, %xmm5
mulpd %xmm2, %xmm4
addpd %xmm4, %xmm0
mulpd %xmm2, %xmm5
SUBPD %xmm5, %xmm1
ALIGN_4
.L18:
pcmpeqb %xmm5, %xmm5
psllq $63, %xmm5
shufps $0xc0, %xmm5, %xmm5
#if (!defined(CONJ) && !defined(XCONJ)) || (defined(CONJ) && defined(XCONJ))
xorpd %xmm5, %xmm0
#else
xorpd %xmm5, %xmm1
#endif
#ifdef HAVE_SSE3
haddpd %xmm1, %xmm0
#else
movapd %xmm0, %xmm2
unpcklpd %xmm1, %xmm0
unpckhpd %xmm1, %xmm2
addpd %xmm2, %xmm0
#endif
pshufd $0x4e, %xmm0, %xmm1
#ifdef HAVE_SSE3
movddup ALPHA_R, %xmm6
movddup ALPHA_I, %xmm7
#else
movsd ALPHA_R, %xmm6
movsd ALPHA_I, %xmm7
unpcklpd %xmm6, %xmm6
unpcklpd %xmm7, %xmm7
#endif
mulpd %xmm6, %xmm0
mulpd %xmm7, %xmm1
xorpd %xmm5, %xmm1
subpd %xmm1, %xmm0
movsd 0 * SIZE(Y1), %xmm4
movhpd 1 * SIZE(Y1), %xmm4
addpd %xmm4, %xmm0
movlpd %xmm0, 0 * SIZE(Y1)
movhpd %xmm0, 1 * SIZE(Y1)
addl INCY, Y1
decl J
jg .L11
ALIGN_4
.L999:
popl %ebx
popl %esi
popl %edi
popl %ebp
ret
EPILOGUE