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
228
229
230
231
232
233
234
235
236
237
238
239
240
241
|
/*********************************************************************/
/* 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"
#define M ARG1
#define X ARG2
#define INCX ARG3
#define I %rax
#ifndef USE_MIN
#define FMOV fcmovbe
#else
#define FMOV fcmovnbe
#endif
#include "l1param.h"
PROLOGUE
PROFCODE
salq $ZBASE_SHIFT, INCX
fldz
testq M, M
jle .L999
testq INCX, INCX
jle .L999
ffreep %st
FLD 0 * SIZE(X)
fabs
FLD 1 * SIZE(X)
fabs
faddp %st, %st(1)
addq INCX, X
decq M
jle .L999
cmpq $2 * SIZE, INCX
jne .L40
movq M, I
sarq $2, I
jle .L20
ALIGN_4
.L10:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X)
#endif
FLD 0 * SIZE(X)
fabs
FLD 1 * SIZE(X)
fabs
faddp %st, %st(1)
fcomi
FMOV %st(1), %st(0)
fxch %st(1)
ffreep %st
FLD 2 * SIZE(X)
fabs
FLD 3 * SIZE(X)
fabs
faddp %st, %st(1)
fcomi
FMOV %st(1), %st(0)
fxch %st(1)
ffreep %st
FLD 4 * SIZE(X)
fabs
FLD 5 * SIZE(X)
fabs
faddp %st, %st(1)
fcomi
FMOV %st(1), %st(0)
fxch %st(1)
ffreep %st
FLD 6 * SIZE(X)
fabs
FLD 7 * SIZE(X)
fabs
faddp %st, %st(1)
fcomi
FMOV %st(1), %st(0)
fxch %st(1)
ffreep %st
addq $8 * SIZE, X
decq I
jg .L10
ALIGN_4
.L20:
movq M, I
andq $3, I
jle .L999
ALIGN_4
.L21:
FLD 0 * SIZE(X)
fabs
FLD 1 * SIZE(X)
fabs
faddp %st, %st(1)
fcomi
FMOV %st(1), %st(0)
fxch %st(1)
ffreep %st
addq $2 * SIZE, X
decq I
jg .L21
jmp .L999
ALIGN_4
.L40:
movq M, I
sarq $2, I
jle .L60
ALIGN_4
.L50:
FLD 0 * SIZE(X)
fabs
FLD 1 * SIZE(X)
fabs
addq INCX, X
faddp %st, %st(1)
fcomi
FMOV %st(1), %st(0)
fxch %st(1)
ffreep %st
FLD 0 * SIZE(X)
fabs
FLD 1 * SIZE(X)
fabs
addq INCX, X
faddp %st, %st(1)
fcomi
FMOV %st(1), %st(0)
fxch %st(1)
ffreep %st
FLD 0 * SIZE(X)
fabs
FLD 1 * SIZE(X)
fabs
addq INCX, X
faddp %st, %st(1)
fcomi
FMOV %st(1), %st(0)
fxch %st(1)
ffreep %st
FLD 0 * SIZE(X)
fabs
FLD 1 * SIZE(X)
fabs
addq INCX, X
faddp %st, %st(1)
fcomi
FMOV %st(1), %st(0)
fxch %st(1)
ffreep %st
decq I
jg .L50
ALIGN_4
.L60:
movq M, I
andq $3, I
jle .L999
ALIGN_4
.L61:
FLD 0 * SIZE(X)
fabs
FLD 1 * SIZE(X)
fabs
faddp %st, %st(1)
fcomi
FMOV %st(1), %st(0)
fxch %st(1)
ffreep %st
addq INCX, X
decq I
jg .L61
ALIGN_4
.L999:
ret
EPILOGUE
|