* sysdeps/unix/sysv/linux/alpha/fpu/Implies: New file.cvs/fedora-glibc-20060201T0846

	* 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.

5 files changed, 53 insertions, 0 deletions

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