File: max.S

package info (click to toggle)
openblas 0.2.19-3
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 44,272 kB
  • ctags: 76,509
  • sloc: asm: 1,086,998; ansic: 186,055; fortran: 74,181; makefile: 11,187; perl: 3,428; python: 661; sh: 81
file content (227 lines) | stat: -rw-r--r-- 5,632 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
/*********************************************************************/
/* 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"
#include "version.h"

#define N	$16
#define X	$17
#define INCX	$18

#ifndef USE_MIN
#define CMPLT(a, b) cmptlt a, b
#else
#define CMPLT(a, b) cmptlt b, a
#endif

#define STACKSIZE 8 * 8

	PROLOGUE
	PROFCODE
	.frame	$sp, STACKSIZE, $26, 0

#ifdef F_INTERFACE
	ldl	N,     0(N)		# n
	ldl	INCX,  0(INCX)		# incx
#endif
	lda	$sp, -STACKSIZE($sp)
	nop
	.align 4

	cmplt	$31, N,    $2
	cmplt	$31, INCX, $3
	SXADDQ	INCX, $31, INCX
	and	$2,  $3,  $0

	sra	N, 3, $1
	fclr	$f0
	unop
	beq	$0,  $End		# if (n <= 0) or (incx <= 0) return
	.align 4

	LD	$f0,  0 * SIZE(X)
	unop
	unop
	ble	$1,  $L15
	.align 4

	fmov	$f0,  $f1
	addq	X, INCX, X
	fmov	$f0,  $f10
	lda	$1,  -1($1)

	LD	$f21,  0 * SIZE(X)
	fmov	$f0,  $f11
	addq	X, INCX, X
	fmov	$f0,  $f12

	LD	$f22,  0 * SIZE(X)
	fmov	$f0,  $f13
	addq	X, INCX, X
	fmov	$f0,  $f14

	LD	$f23,  0 * SIZE(X)
	fmov	$f0,  $f15
	addq	X, INCX, X
	fmov	$f0,  $f20

	LD	$f24,  0 * SIZE(X)
	addq	X, INCX, X
	LD	$f25,  0 * SIZE(X)
	addq	X, INCX, X
	LD	$f26,  0 * SIZE(X)
	addq	X, INCX, X
	LD	$f27,  0 * SIZE(X)
	addq	X, INCX, X

	CMPLT($f0,  $f20), $f16
	CMPLT($f1,  $f21), $f17
	CMPLT($f10, $f22), $f18
	CMPLT($f11, $f23), $f19

	ble	$1, $L13
	.align 4

$L12:
	fcmovne	$f16, $f20, $f0
	LD	$f20,  0 * SIZE(X)
	CMPLT($f12,  $f24), $f16
	addq	X, INCX, X

	fcmovne	$f17, $f21, $f1
	LD	$f21,  0 * SIZE(X)
	CMPLT($f13,  $f25), $f17
	addq	X, INCX, X

	fcmovne	$f18, $f22, $f10
	LD	$f22,  0 * SIZE(X)
	CMPLT($f14,  $f26), $f18
	addq	X, INCX, X

	fcmovne	$f19, $f23, $f11
	LD	$f23,  0 * SIZE(X)
	CMPLT($f15,  $f27), $f19
	addq	X, INCX, X

	fcmovne	$f16, $f24, $f12
	LD	$f24,  0 * SIZE(X)
	CMPLT($f0,  $f20), $f16
	addq	X, INCX, X

	fcmovne	$f17, $f25, $f13
	LD	$f25,  0 * SIZE(X)
	CMPLT($f1,  $f21), $f17
	addq	X, INCX, X

	fcmovne	$f18, $f26, $f14
	LD	$f26,  0 * SIZE(X)
	CMPLT($f10,  $f22), $f18
	addq	X, INCX, X

	fcmovne	$f19, $f27, $f15
	LD	$f27,  0 * SIZE(X)
	CMPLT($f11,  $f23), $f19
	lda	$1,   -1($1)		# i --

	addq	X, INCX, X
	unop
	unop
	bgt	$1,$L12
	.align 4

$L13:
	fcmovne	$f16, $f20, $f0
	CMPLT($f12,  $f24), $f16

	fcmovne	$f17, $f21, $f1
	CMPLT($f13,  $f25), $f17

	fcmovne	$f18, $f22, $f10
	CMPLT($f14,  $f26), $f18

	fcmovne	$f19, $f23, $f11
	CMPLT($f15,  $f27), $f19

	fcmovne	$f16, $f24, $f12
	CMPLT($f0,  $f1), $f16
	fcmovne	$f17, $f25, $f13
	CMPLT($f10,  $f11), $f17

	fcmovne	$f18, $f26, $f14
	CMPLT($f12,  $f13), $f18
	fcmovne	$f19, $f27, $f15
	CMPLT($f14,  $f15), $f19

	fcmovne	$f16, $f1, $f0
	fcmovne	$f17, $f11, $f10
	fcmovne	$f18, $f13, $f12
	fcmovne	$f19, $f15, $f14

	CMPLT($f0,  $f10), $f16
	CMPLT($f12,  $f14), $f17

	fcmovne	$f16, $f10, $f0
	fcmovne	$f17, $f14, $f12

	CMPLT($f0,  $f12), $f16
	fcmovne	$f16, $f12, $f0
	.align 4

$L15:
	and	N, 7, $1
	unop
	unop
	ble	$1,  $End
	.align 4

$L16:
	LD	$f20,  0 * SIZE(X)
	addq	X, INCX, X

	CMPLT($f0,  $f20), $f16
	fcmovne	$f16, $f20, $f0
	lda	$1,   -1($1)		# i --
	bgt	$1, $L16
	.align 4

$End:
	lda	$sp,  STACKSIZE($sp)
	ret

	EPILOGUE