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authorGeoff Keating <geoffk@cygnus.com>2000-03-04 03:36:14 +0000
committerGeoff Keating <geoffk@cygnus.com>2000-03-04 03:36:14 +0000
commit8ed1e7d5894000c155acbd06ffd2ba07ea9f718b (patch)
treeb9555e693953f12cd6a0a4f533922db17513d8b0 /soft-fp/sysdeps/powerpc/q_sub.c
parent706546ff10e0979cf49d002c03334810663b655f (diff)
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In libc/:
* configure.in: Compute sizeof-long-double. 
* configure: Regenerated. 
* config.make.in: Make sizeof-long-double available to sub-makes.
In libc/soft-fp/:
	* soft-fp.h (_FP_ROUND_ZERO): Cast 0 to void before using it
	as a statement.

	* sysdeps/powerpc/Makefile (routines): New file.
	* sysdeps/powerpc/q_*: New files.
2000-03-03  Geoff Keating  <geoffk@cygnus.com>

	* configure.in: Compute sizeof-long-double.
	* configure: Regenerated.
	* config.make.in: Make sizeof-long-double available to sub-makes.
Diffstat (limited to 'soft-fp/sysdeps/powerpc/q_sub.c')
-rw-r--r--soft-fp/sysdeps/powerpc/q_sub.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/soft-fp/sysdeps/powerpc/q_sub.c b/soft-fp/sysdeps/powerpc/q_sub.c
new file mode 100644
index 0000000000..8e1522379f
--- /dev/null
+++ b/soft-fp/sysdeps/powerpc/q_sub.c
@@ -0,0 +1,39 @@
+/* Software floating-point emulation.
+   c = a - b
+   Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Richard Henderson (rth@cygnus.com) and
+		  Jakub Jelinek (jj@ultra.linux.cz).
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If
+   not, write to the Free Software Foundation, Inc.,
+   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double _q_sub(const long double a, const long double b)
+{
+  FP_DECL_EX;
+  FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C);
+  long double c;
+
+  FP_INIT_ROUNDMODE;
+  FP_UNPACK_Q(A, a);
+  FP_UNPACK_Q(B, b);
+  FP_SUB_Q(C, A, B);
+  FP_PACK_Q(c, C);
+  FP_HANDLE_EXCEPTIONS;
+  return c;
+}