/*********************************************************************/
/* 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 PENTIUM
#define P 32
#endif
#if defined(ATHLON) || defined(OPTERON) || defined(OPTERON)
#define P 32
#endif
#ifndef P
#define P DTB_DEFAULT_ENTRIES
#endif
#define STACK 16
#define ARGS 16
#define PLDA_M 0 + STACK(%esp)
#define XP 4 + STACK(%esp)
#define MIN_N 8 + STACK(%esp)
#define IS 12 + STACK(%esp)
#define M 4 + STACK + ARGS(%esp)
#define N 8 + STACK + ARGS(%esp)
#define K 12 + STACK + ARGS(%esp)
#define ALPHA 16 + STACK + ARGS(%esp)
#ifdef DOUBLE
#define A 24 + STACK + ARGS(%esp)
#define LDA 28 + STACK + ARGS(%esp)
#define X 32 + STACK + ARGS(%esp)
#define INCX 36 + STACK + ARGS(%esp)
#define Y 40 + STACK + ARGS(%esp)
#define INCY 44 + STACK + ARGS(%esp)
#define BUFFER 48 + STACK + ARGS(%esp)
#else
#define A 20 + STACK + ARGS(%esp)
#define LDA 24 + STACK + ARGS(%esp)
#define X 28 + STACK + ARGS(%esp)
#define INCX 32 + STACK + ARGS(%esp)
#define Y 36 + STACK + ARGS(%esp)
#define INCY 40 + STACK + ARGS(%esp)
#define BUFFER 44 + STACK + ARGS(%esp)
#endif
PROLOGUE
subl $ARGS, %esp
pushl %ebp
pushl %edi
pushl %esi
pushl %ebx
PROFCODE
FLD ALPHA
movl X, %edi
movl LDA, %ebx
leal 0(,%ebx,SIZE),%ebx # EBX : lda
movl $0, IS
movl M, %edx
movl N, %esi
test %esi, %esi
jle .L79 # goto END
test %edx, %edx
jle .L79 # goto END
movl INCY, %eax
leal (,%eax,SIZE),%eax
movl %eax, INCY
movl LDA, %eax
imull $P, %eax # P * lda
subl M ,%eax # P * lda - m
leal (, %eax, SIZE), %eax
movl %eax, PLDA_M
ALIGN_2
.L32:
movl IS, %esi
movl $P, %edx
movl N, %eax
subl %esi,%eax # n - is
cmpl %edx, %eax
#ifdef PENTIUM
jle .L33
movl %edx, %eax
.L33:
#else
cmovg %edx, %eax
#endif
movl %eax, MIN_N
movl INCX, %edx
leal (%edi, %esi, SIZE), %esi # xp = x + is
movl %esi, XP
cmpl $1, %edx
je .L34 # if incx == 1 goto L34
movl BUFFER, %esi
leal (, %edx, SIZE), %edx
movl %esi, XP # xp = buffer
sarl $2,%eax
jle .L35
ALIGN_2
.L36:
FLD (%edi)
addl %edx,%edi # x += incx
FLD (%edi)
addl %edx,%edi # x += incx
FLD (%edi)
addl %edx,%edi # x += incx
FLD (%edi)
addl %edx,%edi # x += incx
FST 3 * SIZE(%esi)
FST 2 * SIZE(%esi)
FST 1 * SIZE(%esi)
FST 0 * SIZE(%esi)
addl $4 * SIZE, %esi # xp += 4
decl %eax
jg .L36
ALIGN_3
.L35:
movl MIN_N, %eax
andl $3, %eax
jle .L34
ALIGN_2
.L42:
FLD (%edi)
addl %edx, %edi
FST (%esi)
addl $SIZE, %esi
decl %eax
jg .L42
ALIGN_3
/* Main Routine */
.L34:
movl Y, %ecx # c_offset
movl M, %ebp
sarl $2, %ebp # j = (m >> 2)
jle .L47
ALIGN_2
.L48:
movl A, %edx # a_offset = a
fldz
addl $4 * SIZE, A # a += 4
fldz
movl XP, %esi # b_offset = xp
fldz
movl MIN_N, %eax # i = min_n
fldz
FLD (%esi) # bt1 = b_offset
sarl $1, %eax
jle .L51
ALIGN_2
#ifdef PENTIUM3
#define PRESIZE 8
#else
#define PRESIZE 24
#endif
.L80:
#ifdef PENTIUM3
prefetcht1 PRESIZE * SIZE(%edx, %ebx, 1)
FLD 0 * SIZE(%edx) # at1 = *(a_offset + 0)
fmul %st(1), %st # at1 *= bt1
prefetcht1 PRESIZE * SIZE(%esi)
faddp %st, %st(2) # ct1 += at1
FLD 1 * SIZE(%edx) # at1 = *(a_offset + 1)
fmul %st(1), %st # at1 *= bt1
faddp %st, %st(3) # ct2 += at1
FLD 2 * SIZE(%edx) # at1 = *(a_offset + 2)
fmul %st(1), %st # at1 *= bt1
faddp %st, %st(4) # ct3 += at1
FLD 3 * SIZE(%edx) # bt1 *= *(a_offset + 3)
fmulp %st, %st(1)
faddp %st, %st(4) # ct4 += at1
FLD 1 * SIZE(%esi) # bt1 = b_offset
prefetcht1 PRESIZE * SIZE(%edx, %ebx, 2)
addl %ebx, %edx # a_offset += lda
FLD 0 * SIZE(%edx) # at1 = *(a_offset + 0)
fmul %st(1), %st # at1 *= bt1
faddp %st, %st(2) # ct1 += at1
FLD 1 * SIZE(%edx) # at1 = *(a_offset + 1)
fmul %st(1), %st # at1 *= bt1
faddp %st, %st(3) # ct2 += at1
FLD 2 * SIZE(%edx) # at1 = *(a_offset + 2)
fmul %st(1), %st # at1 *= bt1
faddp %st, %st(4) # ct3 += at1
FLD 3 * SIZE(%edx) # bt1 *= *(a_offset + 3)
fmulp %st, %st(1)
addl %ebx, %edx
faddp %st, %st(4) # ct4 += at1
FLD 2 * SIZE(%esi) # bt1 = b_offset
addl $2 * SIZE, %esi # b_offset += 2
#else
#ifdef PENTIUM4
prefetchnta 8 * SIZE(%esi)
#endif
FLD 0 * SIZE(%edx) # at1 = *(a_offset + 0)
fmul %st(1), %st # at1 *= bt1
faddp %st, %st(2) # ct1 += at1
FLD 1 * SIZE(%edx) # at1 = *(a_offset + 1)
fmul %st(1), %st # at1 *= bt1
faddp %st, %st(3) # ct2 += at1
FLD 2 * SIZE(%edx) # at1 = *(a_offset + 2)
fmul %st(1), %st # at1 *= bt1
faddp %st, %st(4) # ct3 += at1
FMUL 3 * SIZE(%edx) # bt1 *= *(a_offset + 3)
faddp %st, %st(4) # ct4 += at1
FLD 1 * SIZE(%esi) # bt1 = b_offset
addl %ebx, %edx # a_offset += lda
FLD 0 * SIZE(%edx) # at1 = *(a_offset + 0)
fmul %st(1), %st # at1 *= bt1
faddp %st, %st(2) # ct1 += at1
FLD 1 * SIZE(%edx) # at1 = *(a_offset + 1)
fmul %st(1), %st # at1 *= bt1
faddp %st, %st(3) # ct2 += at1
FLD 2 * SIZE(%edx) # at1 = *(a_offset + 2)
fmul %st(1), %st # at1 *= bt1
faddp %st, %st(4) # ct3 += at1
FMUL 3 * SIZE(%edx) # bt1 *= *(a_offset + 3)
faddp %st, %st(4) # ct4 += at1
FLD 2 * SIZE(%esi) # bt1 = b_offset
addl %ebx, %edx
addl $2 * SIZE, %esi # b_offset += 2
#endif
decl %eax
jg .L80
.L51:
movl MIN_N,%eax
andl $1, %eax
je .L57
FLD 0 * SIZE(%edx) # at1 = *(a_offset + 0)
fmul %st(1), %st # at1 *= bt1
faddp %st, %st(2) # ct1 += at1
FLD 1 * SIZE(%edx) # at1 = *(a_offset + 1)
fmul %st(1), %st # at1 *= bt1
faddp %st, %st(3) # ct2 += at1
FLD 2 * SIZE(%edx) # at1 = *(a_offset + 2)
fmul %st(1), %st # at1 *= bt1
faddp %st, %st(4) # ct3 += at1
FMUL 3 * SIZE(%edx) # bt1 *= *(a_offset + 3)
faddp %st, %st(4) # ct4 += at1
fldz
ALIGN_2
.L57:
#ifndef C_SUN
ffreep %st(0)
#else
.byte 0xdf
.byte 0xc0
#endif
fxch %st(4)
fmul %st, %st(4)
fmul %st, %st(1)
fmul %st, %st(2)
fmul %st, %st(3)
fxch %st(4)
movl INCY, %eax
FADD (%ecx)
FST (%ecx)
addl %eax, %ecx
FADD (%ecx)
FST (%ecx)
addl %eax, %ecx
FADD (%ecx)
FST (%ecx)
addl %eax, %ecx
FADD (%ecx)
FST (%ecx)
addl %eax, %ecx
decl %ebp # j --
jg .L48
ALIGN_3
.L47:
movl M, %ebp
andl $3, %ebp # j = (m & 3)
jle .L60
ALIGN_2
.L61:
movl A, %edx # a_offset = a
fldz
addl $SIZE, A # a++
fldz
movl XP,%esi
fldz
movl MIN_N,%eax
fldz
sarl $3,%eax
jle .L64
ALIGN_2
.L65:
FLD 0 * SIZE(%esi)
FMUL (%edx)
faddp %st, %st(1)
addl %ebx, %edx
FLD 1 * SIZE(%esi)
FMUL (%edx)
faddp %st, %st(2)
addl %ebx ,%edx
FLD 2 * SIZE(%esi)
FMUL (%edx)
faddp %st, %st(3)
addl %ebx, %edx
FLD 3 * SIZE(%esi)
FMUL (%edx)
faddp %st, %st(4)
addl %ebx, %edx
FLD 4 * SIZE(%esi)
FMUL (%edx)
faddp %st,%st(1)
addl %ebx, %edx
FLD 5 * SIZE(%esi)
FMUL (%edx)
faddp %st, %st(2)
addl %ebx, %edx
FLD 6 * SIZE(%esi)
FMUL (%edx)
faddp %st,%st(3)
addl %ebx, %edx
FLD 7 * SIZE(%esi)
FMUL (%edx)
faddp %st,%st(4)
addl %ebx, %edx
addl $8 * SIZE, %esi
decl %eax
jg .L65
.L64:
movl MIN_N,%eax
andl $7, %eax
jle .L70
ALIGN_2
.L71:
FLD (%esi)
addl $SIZE, %esi # b_offset ++
FMUL (%edx)
addl %ebx, %edx # a_offset += lda
faddp %st, %st(1)
decl %eax
jg .L71
ALIGN_2
.L70:
faddp %st, %st(1)
faddp %st, %st(1)
faddp %st, %st(1)
fmul %st(1), %st
movl INCY, %eax
FADD (%ecx)
FST (%ecx)
addl %eax, %ecx
decl %ebp
jg .L61
.L60:
movl PLDA_M, %esi
addl %esi, A # a += P * lda - m
addl $P, IS
movl N, %esi
cmpl %esi,IS
jl .L32
.L79:
#ifndef C_SUN
ffreep %st(0)
#else
.byte 0xdf
.byte 0xc0
#endif
popl %ebx
popl %esi
popl %edi
popl %ebp
addl $ARGS, %esp
ret
EPILOGUE