290 lines
6.5 KiB
ArmAsm
290 lines
6.5 KiB
ArmAsm
/*********************************************************************/
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/* Copyright 2009, 2010 The University of Texas at Austin. */
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/* All rights reserved. */
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/* */
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/* Redistribution and use in source and binary forms, with or */
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/* without modification, are permitted provided that the following */
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/* conditions are met: */
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/* */
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/* 1. Redistributions of source code must retain the above */
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/* copyright notice, this list of conditions and the following */
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/* disclaimer. */
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/* */
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/* 2. Redistributions in binary form must reproduce the above */
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/* copyright notice, this list of conditions and the following */
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/* disclaimer in the documentation and/or other materials */
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/* provided with the distribution. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
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/* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
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/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
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/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
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/* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
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/* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
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/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
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/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
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/* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
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/* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
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/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
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/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
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/* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
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/* POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/* The views and conclusions contained in the software and */
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/* documentation are those of the authors and should not be */
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/* interpreted as representing official policies, either expressed */
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/* or implied, of The University of Texas at Austin. */
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/*********************************************************************/
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#define ASSEMBLER
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#include "common.h"
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#if defined(NEHALEM)
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#define RPREFETCHSIZE 12
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#define WPREFETCHSIZE (RPREFETCHSIZE * 2)
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#define PREFETCH prefetcht0
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#define PREFETCHW prefetcht0
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#endif
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#ifndef WINDOWS_ABI
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#define M ARG1 /* rdi */
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#define N ARG2 /* rsi */
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#define A ARG3 /* rdx */
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#define LDA ARG4 /* rcx */
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#define B ARG5 /* r8 */
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#define I %r9
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#else
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#define STACKSIZE 256
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#define M ARG1 /* rcx */
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#define N ARG2 /* rdx */
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#define A ARG3 /* r8 */
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#define LDA ARG4 /* r9 */
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#define OLD_B 40 + 32 + STACKSIZE(%rsp)
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#define B %r14
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#define I %r15
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#endif
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#define J %r10
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#define AO1 %r11
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#define AO2 %r12
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#define AO3 %r13
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#define AO4 %rax
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PROLOGUE
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PROFCODE
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#ifdef WINDOWS_ABI
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pushq %r15
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pushq %r14
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#endif
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pushq %r13
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pushq %r12
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#ifdef WINDOWS_ABI
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subq $STACKSIZE, %rsp
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movups %xmm6, 0(%rsp)
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movups %xmm7, 16(%rsp)
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movups %xmm8, 32(%rsp)
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movups %xmm9, 48(%rsp)
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movups %xmm10, 64(%rsp)
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movups %xmm11, 80(%rsp)
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movups %xmm12, 96(%rsp)
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movups %xmm13, 112(%rsp)
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movups %xmm14, 128(%rsp)
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movups %xmm15, 144(%rsp)
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movq OLD_B, B
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#endif
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leaq (,LDA, SIZE), LDA # Scaling
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movq N, J
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sarq $1, J
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jle .L20
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ALIGN_4
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.L12:
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movq A, AO1
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leaq (A, LDA), AO2
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leaq (A, LDA, 2), A
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movq M, I
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sarq $2, I
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jle .L14
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ALIGN_4
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.L13:
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#ifndef DOUBLE
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movss 0 * SIZE(AO1), %xmm0
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movss 0 * SIZE(AO2), %xmm1
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movss 1 * SIZE(AO1), %xmm2
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movss 1 * SIZE(AO2), %xmm3
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movss 2 * SIZE(AO1), %xmm4
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movss 2 * SIZE(AO2), %xmm5
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movss 3 * SIZE(AO1), %xmm6
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movss 3 * SIZE(AO2), %xmm7
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movss %xmm0, 0 * SIZE(B)
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movss %xmm1, 1 * SIZE(B)
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movss %xmm2, 2 * SIZE(B)
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movss %xmm3, 3 * SIZE(B)
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movss %xmm4, 4 * SIZE(B)
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movss %xmm5, 5 * SIZE(B)
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movss %xmm6, 6 * SIZE(B)
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movss %xmm7, 7 * SIZE(B)
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#else
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PREFETCH RPREFETCHSIZE * SIZE(AO1)
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movsd 0 * SIZE(AO1), %xmm0
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movhpd 0 * SIZE(AO2), %xmm0
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movsd 1 * SIZE(AO1), %xmm1
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movhpd 1 * SIZE(AO2), %xmm1
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PREFETCH RPREFETCHSIZE * SIZE(AO2)
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movsd 2 * SIZE(AO1), %xmm2
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movhpd 2 * SIZE(AO2), %xmm2
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movsd 3 * SIZE(AO1), %xmm3
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movhpd 3 * SIZE(AO2), %xmm3
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PREFETCHW WPREFETCHSIZE * SIZE(B)
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movapd %xmm0, 0 * SIZE(B)
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movapd %xmm1, 2 * SIZE(B)
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movapd %xmm2, 4 * SIZE(B)
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movapd %xmm3, 6 * SIZE(B)
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#endif
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addq $4 * SIZE, AO1
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addq $4 * SIZE, AO2
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subq $-8 * SIZE, B
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decq I
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jg .L13
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ALIGN_4
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.L14:
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movq M, I
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andq $3, I
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jle .L16
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ALIGN_4
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.L15:
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#ifndef DOUBLE
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movss 0 * SIZE(AO1), %xmm0
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movss 0 * SIZE(AO2), %xmm1
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movss %xmm0, 0 * SIZE(B)
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movss %xmm1, 1 * SIZE(B)
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#else
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movsd 0 * SIZE(AO1), %xmm0
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movhpd 0 * SIZE(AO2), %xmm0
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movapd %xmm0, 0 * SIZE(B)
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#endif
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addq $SIZE, AO1
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addq $SIZE, AO2
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addq $2 * SIZE, B
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decq I
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jg .L15
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ALIGN_4
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.L16:
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decq J
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jg .L12
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ALIGN_4
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.L20:
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testq $1, N
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jle .L999
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movq A, AO1
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movq M, I
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sarq $2, I
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jle .L34
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ALIGN_4
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.L33:
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#ifndef DOUBLE
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movss 0 * SIZE(AO1), %xmm0
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movss 1 * SIZE(AO1), %xmm1
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movss 2 * SIZE(AO1), %xmm2
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movss 3 * SIZE(AO1), %xmm3
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movss %xmm0, 0 * SIZE(B)
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movss %xmm1, 1 * SIZE(B)
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movss %xmm2, 2 * SIZE(B)
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movss %xmm3, 3 * SIZE(B)
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#else
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movsd 0 * SIZE(AO1), %xmm0
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movhpd 1 * SIZE(AO1), %xmm0
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movsd 2 * SIZE(AO1), %xmm1
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movhpd 3 * SIZE(AO1), %xmm1
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movapd %xmm0, 0 * SIZE(B)
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movapd %xmm1, 2 * SIZE(B)
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#endif
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addq $4 * SIZE, AO1
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subq $-4 * SIZE, B
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decq I
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jg .L33
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ALIGN_4
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.L34:
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movq M, I
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andq $3, I
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jle .L999
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ALIGN_4
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.L35:
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#ifndef DOUBLE
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movss 0 * SIZE(AO1), %xmm0
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movss %xmm0, 0 * SIZE(B)
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#else
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movsd 0 * SIZE(AO1), %xmm0
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movsd %xmm0, 0 * SIZE(B)
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#endif
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addq $SIZE, AO1
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addq $1 * SIZE, B
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decq I
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jg .L35
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ALIGN_4
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.L999:
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#ifdef WINDOWS_ABI
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movups 0(%rsp), %xmm6
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movups 16(%rsp), %xmm7
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movups 32(%rsp), %xmm8
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movups 48(%rsp), %xmm9
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movups 64(%rsp), %xmm10
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movups 80(%rsp), %xmm11
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movups 96(%rsp), %xmm12
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movups 112(%rsp), %xmm13
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movups 128(%rsp), %xmm14
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movups 144(%rsp), %xmm15
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addq $STACKSIZE, %rsp
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#endif
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popq %r12
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popq %r13
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#ifdef WINDOWS_ABI
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popq %r14
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popq %r15
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#endif
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ret
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EPILOGUE
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