mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-02 01:40:07 +00:00
259a17cc98
After recent commit447954a206"math: redirect roundeven function", building on s390x fails with: Error: symbol `__roundevenl' is already defined Similar to aarch64/riscv fix, this patch redirects target specific functions for s390x: commit3213ed770c"Update math: redirect roundeven function"
40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
/* roundeven() - S390 version.
|
|
Copyright (C) 2019-2021 Free Software Foundation, Inc.
|
|
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public License as
|
|
published by the Free Software Foundation; either version 2.1 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#ifdef HAVE_S390_MIN_Z196_ZARCH_ASM_SUPPORT
|
|
# define NO_MATH_REDIRECT
|
|
# include <math.h>
|
|
# include <libm-alias-double.h>
|
|
|
|
double
|
|
__roundeven (double x)
|
|
{
|
|
double y;
|
|
/* The z196 zarch "load fp integer" (fidbra) instruction is rounding
|
|
x to the nearest integer with "ties to even" rounding mode
|
|
(M3-field: 4) where inexact exceptions are suppressed (M4-field: 4). */
|
|
__asm__ ("fidbra %0,4,%1,4" : "=f" (y) : "f" (x));
|
|
return y;
|
|
}
|
|
libm_alias_double (__roundeven, roundeven)
|
|
|
|
#else
|
|
# include <sysdeps/ieee754/dbl-64/s_roundeven.c>
|
|
#endif
|