From 8400b18bfb630399e4b028cabe72ba55b580ef66 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Wed, 1 Feb 2006 03:14:01 +0000 Subject: * sysdeps/unix/sysv/linux/alpha/fpu/Implies: New file. * sysdeps/alpha/fpu/s_ceil.c: Include math_ldbl_opt.h, add compat_symbol if LONG_DOUBLE_COMPAT. * sysdeps/alpha/fpu/s_copysign.c: Likewise. * sysdeps/alpha/fpu/s_fabs.c: Likewise. * sysdeps/alpha/fpu/s_floor.c: Likewise. * sysdeps/alpha/fpu/s_rint.c: Likewise. * sysdeps/alpha/soft-fp/e_sqrtl.c: New file. * sysdeps/alpha/Implies: Add ieee754/ldbl-128. * sysdeps/unix/sysv/linux/alpha/bits/wordsize.h: New file. * sysdeps/unix/sysv/linux/alpha/Implies: Add ieee754/ldbl-64-128, ieee754/ldbl-opt. * sysdeps/alpha/bits/mathdef.h (__NO_LONG_DOUBLE_MATH): Remove. * sysdeps/unix/sysv/linux/alpha/nldbl-abi.h: New file. * sysdeps/unix/sysv/linux/alpha/Makefile [$(subdir) = math] (libm-routines): Add multc3, divtc3. --- sysdeps/unix/sysv/linux/alpha/Implies | 3 +++ sysdeps/unix/sysv/linux/alpha/Makefile | 10 +++++++++ sysdeps/unix/sysv/linux/alpha/bits/wordsize.h | 30 +++++++++++++++++++++++++++ sysdeps/unix/sysv/linux/alpha/fpu/Implies | 2 ++ sysdeps/unix/sysv/linux/alpha/nldbl-abi.h | 8 +++++++ 5 files changed, 53 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/alpha/bits/wordsize.h create mode 100644 sysdeps/unix/sysv/linux/alpha/fpu/Implies create mode 100644 sysdeps/unix/sysv/linux/alpha/nldbl-abi.h (limited to 'sysdeps/unix/sysv') diff --git a/sysdeps/unix/sysv/linux/alpha/Implies b/sysdeps/unix/sysv/linux/alpha/Implies index 8d91c80097..1616efecbe 100644 --- a/sysdeps/unix/sysv/linux/alpha/Implies +++ b/sysdeps/unix/sysv/linux/alpha/Implies @@ -1 +1,4 @@ unix/sysv/linux/wordsize-64 +# These supply the ABI compatibility for when long double was double. +ieee754/ldbl-64-128 +ieee754/ldbl-opt diff --git a/sysdeps/unix/sysv/linux/alpha/Makefile b/sysdeps/unix/sysv/linux/alpha/Makefile index 37a9214fe9..f64f23fd7a 100644 --- a/sysdeps/unix/sysv/linux/alpha/Makefile +++ b/sysdeps/unix/sysv/linux/alpha/Makefile @@ -26,3 +26,13 @@ endif ifeq ($(subdir),signal) sysdep_routines += rt_sigaction endif + +ifeq ($(subdir),math) +# These 2 routines are normally in libgcc{.a,_s.so.1}. +# However, alpha -mlong-double-128 libgcc relies on +# glibc providing _Ots* routines and without these files +# glibc relies on __multc3/__divtc3 only provided +# by libgcc if configured with -mlong-double-128. +# Provide these routines here as well. +libm-routines += multc3 divtc3 +endif # math diff --git a/sysdeps/unix/sysv/linux/alpha/bits/wordsize.h b/sysdeps/unix/sysv/linux/alpha/bits/wordsize.h new file mode 100644 index 0000000000..22fc64109c --- /dev/null +++ b/sysdeps/unix/sysv/linux/alpha/bits/wordsize.h @@ -0,0 +1,30 @@ +/* Copyright (C) 1999, 2006 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#define __WORDSIZE 64 + +#if !defined __NO_LONG_DOUBLE_MATH && !defined __LONG_DOUBLE_MATH_OPTIONAL + +/* Signal that we didn't used to have a `long double'. The changes all + the `long double' function variants to be redirects to the double + functions. */ +# define __LONG_DOUBLE_MATH_OPTIONAL 1 +# ifndef __LONG_DOUBLE_128__ +# define __NO_LONG_DOUBLE_MATH 1 +# endif +#endif diff --git a/sysdeps/unix/sysv/linux/alpha/fpu/Implies b/sysdeps/unix/sysv/linux/alpha/fpu/Implies new file mode 100644 index 0000000000..d76f511c2e --- /dev/null +++ b/sysdeps/unix/sysv/linux/alpha/fpu/Implies @@ -0,0 +1,2 @@ +# Override ldbl-opt with alpha specific routines. +alpha/fpu diff --git a/sysdeps/unix/sysv/linux/alpha/nldbl-abi.h b/sysdeps/unix/sysv/linux/alpha/nldbl-abi.h new file mode 100644 index 0000000000..bd985cc59c --- /dev/null +++ b/sysdeps/unix/sysv/linux/alpha/nldbl-abi.h @@ -0,0 +1,8 @@ +/* ABI version for long double switch. + This is used by the Versions and math_ldbl_opt.h files in + sysdeps/ieee754/ldbl-opt/. It gives the ABI version where + long double == double was replaced with proper long double + for libm *l functions and libc functions using long double. */ + +#define NLDBL_VERSION GLIBC_2.4 +#define LONG_DOUBLE_COMPAT_VERSION GLIBC_2_4 -- cgit v1.2.3