1 /* Round to int floating-point values. PowerPC32 version.
2 Copyright (C) 2004 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20 /* This has been coded in assembler because GCC makes such a mess of it
21 when it's coded in C. */
25 .section .rodata.cst4,"aM",@progbits,4
34 # ifdef HAVE_ASM_PPC_REL16
37 addis r9,r9,.LC0-1b@ha
39 lfs fp13,.LC0-1b@l(r9)
41 bl _GLOBAL_OFFSET_TABLE_@local-4
52 fsub fp12,fp13,fp13 /* generate 0.0 */
53 fcmpu cr7,fp0,fp13 /* if (fabs(x) > TWO52) */
54 fcmpu cr6,fp1,fp12 /* if (x > 0.0) */
57 fadd fp1,fp1,fp13 /* x+= TWO52; */
58 fsub fp1,fp1,fp13 /* x-= TWO52; */
59 fabs fp1,fp1 /* if (x == 0.0) */
62 bnllr- cr6 /* if (x < 0.0) */
63 fsub fp1,fp1,fp13 /* x-= TWO52; */
64 fadd fp1,fp1,fp13 /* x+= TWO52; */
65 fnabs fp1,fp1 /* if (x == 0.0) */
69 weak_alias (__rint, rint)
72 weak_alias (__rint, rintl)
73 strong_alias (__rint, __rintl)