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1 | /* Round float to int floating-point values. PowerPC64 version. | |
2 | Copyright (C) 2004-2014 Free Software Foundation, Inc. | |
3 | This file is part of the GNU C Library. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
17 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <sysdep.h> | |
20 | ||
21 | .section ".toc","aw" | |
22 | .p2align 3 | |
23 | .LC0: /* 2**23 */ | |
24 | .long 0x4b000000 | |
25 | .long 0x0 | |
26 | .section ".text" | |
27 | ||
28 | EALIGN (__rintf, 4, 0) | |
29 | CALL_MCOUNT 0 | |
30 | lfs fp13,.LC0@toc(2) | |
31 | fabs fp0,fp1 | |
32 | fsubs fp12,fp13,fp13 /* generate 0.0 */ | |
33 | fcmpu cr7,fp0,fp13 /* if (fabs(x) > TWO23) */ | |
34 | fcmpu cr6,fp1,fp12 /* if (x > 0.0) */ | |
35 | bnllr cr7 | |
36 | bng cr6,.L4 | |
37 | fadds fp1,fp1,fp13 /* x+= TWO23; */ | |
38 | fsubs fp1,fp1,fp13 /* x-= TWO23; */ | |
39 | fabs fp1,fp1 /* if (x == 0.0) */ | |
40 | blr /* x = 0.0; */ | |
41 | .L4: | |
42 | bnllr cr6 /* if (x < 0.0) */ | |
43 | fsubs fp1,fp1,fp13 /* x-= TWO23; */ | |
44 | fadds fp1,fp1,fp13 /* x+= TWO23; */ | |
45 | fnabs fp1,fp1 /* if (x == 0.0) */ | |
46 | blr /* x = -0.0; */ | |
47 | END (__rintf) | |
48 | ||
49 | weak_alias (__rintf, rintf) | |
50 |