diff options
Diffstat (limited to 'sysdeps/ieee754')
| -rw-r--r-- | sysdeps/ieee754/ldbl-opt/Makefile | 5 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-opt/nldbl-compat.h | 4 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-opt/test-nldbl-redirect.c | 42 |
3 files changed, 50 insertions, 1 deletions
diff --git a/sysdeps/ieee754/ldbl-opt/Makefile b/sysdeps/ieee754/ldbl-opt/Makefile index ef790adc77..6854413fa3 100644 --- a/sysdeps/ieee754/ldbl-opt/Makefile +++ b/sysdeps/ieee754/ldbl-opt/Makefile @@ -172,7 +172,10 @@ CFLAGS-nldbl-y0.c = -fno-builtin-y0l CFLAGS-nldbl-y1.c = -fno-builtin-y1l CFLAGS-nldbl-yn.c = -fno-builtin-ynl -tests += test-narrow-macros-ldbl-64 +tests += test-narrow-macros-ldbl-64 test-nldbl-redirect CFLAGS-test-narrow-macros-ldbl-64.c += -mlong-double-64 +CFLAGS-test-nldbl-redirect.c += -mlong-double-64 + +$(objpfx)test-nldbl-redirect: $(objpfx)libnldbl_nonshared.a endif diff --git a/sysdeps/ieee754/ldbl-opt/nldbl-compat.h b/sysdeps/ieee754/ldbl-opt/nldbl-compat.h index 888f561cac..b7e938f785 100644 --- a/sysdeps/ieee754/ldbl-opt/nldbl-compat.h +++ b/sysdeps/ieee754/ldbl-opt/nldbl-compat.h @@ -20,6 +20,10 @@ #ifndef __NLDBL_COMPAT_H #define __NLDBL_COMPAT_H 1 +/* Ensure calls to libm functions from libnldbl_nonshared.a call + public names, not libm-internal names. */ +#define NO_MATH_REDIRECT + /* Avoid long double prototypes. */ #define __NO_LONG_DOUBLE_MATH 1 #include <stdarg.h> diff --git a/sysdeps/ieee754/ldbl-opt/test-nldbl-redirect.c b/sysdeps/ieee754/ldbl-opt/test-nldbl-redirect.c new file mode 100644 index 0000000000..22dc0572aa --- /dev/null +++ b/sysdeps/ieee754/ldbl-opt/test-nldbl-redirect.c @@ -0,0 +1,42 @@ +/* Test libnldbl_nonshared.a wrappers call visible functions (bug 23735). + Copyright (C) 2018 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 + <http://www.gnu.org/licenses/>. */ + +/* To use the wrappers, this file deliberately does not include + <math.h>. */ + +long double sqrtl (long double); +long double ceill (long double); +long double floorl (long double); +long double rintl (long double); +long double truncl (long double); +long double roundl (long double); + +volatile long double x = 2.25L; + +static int +do_test (void) +{ + return (sqrtl (x) != 1.5L + || ceill (x) != 3.0L + || floorl (x) != 2.0L + || rintl (x) != 2.0L + || truncl (x) != 2.0L + || roundl (x) != 2.0L); +} + +#include <support/test-driver.c> |