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authorUlrich Drepper <drepper@redhat.com>1997-04-17 15:10:04 +0000
committerUlrich Drepper <drepper@redhat.com>1997-04-17 15:10:04 +0000
commitdd33e89fb2693e88ba64e6b947184c5abf70ff00 (patch)
tree3a621cf04df476aa6dd7905c41e77e8133baae3e /sysdeps/m68k/fpu/fsetexcptflg.c
parent7799b7b3350fdcadc6dfb8821fb49b7772c96701 (diff)
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Update.
1997-04-17 16:55  Ulrich Drepper  <drepper@cygnus.com>

	* misc/libgen.h: Change prototype for of basename to XPG variant.
	* stdlib/Makefile (routines): Add xpg_basename.
	* stdlib/basename.c: New file.
	* string/string.h: Don't declare basename function if basename
	macro is available.

1997-04-16 17:33  Miles Bader  <miles@gnu.ai.mit.edu>

	* login/utmp_file.c (proc_utmp_eq): Only use ut_id field if valid.

1997-04-15 12:47  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/m68k/fpu/fclrexcpt.c: New file.
	* sysdeps/m68k/fpu/fenvbits.h: New file.
	* sysdeps/m68k/fpu/fegetenv.c: New file.
	* sysdeps/m68k/fpu/fegetround.c: New file.
	* sysdeps/m68k/fpu/fesetenv.c: New file.
	* sysdeps/m68k/fpu/fesetround.c: New file.
	* sysdeps/m68k/fpu/feupdateenv.c: New file.
	* sysdeps/m68k/fpu/fgetexcptflg.c: New file.
	* sysdeps/m68k/fpu/fraiseexcpt.c: New file.
	* sysdeps/m68k/fpu/fsetexcptflg.c: New file.
	* sysdeps/m68k/fpu/ftestexcept.c: New file.
	* sysdeps/m68k/fpu/mathbits.h: New file.

	* sysdeps/m68k/fpu/s_remquo.c: New file.
	* sysdeps/m68k/fpu/s_remquol.c: New file.
	* sysdeps/m68k/fpu/s_remquof.c: New file.

	* sysdeps/libm-ieee754/s_roundl.c: Restore integer bit when
	mantissa overflows into exponent.  Fix priority of >> vs +.

	* math/libm-test.c (basic_tests): Use the appropriate isnan and
	isinf function to test the value of the nan function.

1997-04-15 13:40  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/libm-i387/s_finite.S: Fix typo.

	* sysdeps/i386/fpu/__math.h: Add optimized versions of isgreater,
	isgreaterequal, isless, islessequal, islessgreater, and
	isunordered.
Diffstat (limited to 'sysdeps/m68k/fpu/fsetexcptflg.c')
-rw-r--r--sysdeps/m68k/fpu/fsetexcptflg.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/sysdeps/m68k/fpu/fsetexcptflg.c b/sysdeps/m68k/fpu/fsetexcptflg.c
new file mode 100644
index 0000000000..aa92ffd0c5
--- /dev/null
+++ b/sysdeps/m68k/fpu/fsetexcptflg.c
@@ -0,0 +1,38 @@
+/* Set floating-point environment exception handling.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+   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 <fenv.h>
+#include <math.h>
+
+void
+fesetexceptflag (const fexcept_t *flagp, int excepts)
+{
+  fexcept_t fpsr;
+
+  /* Get the current status register.  */
+  __asm__ ("fmove%.l %/fpsr,%0" : "=dm" (fpsr));
+
+  /* Install the new exception bits in the Accrued Exception Byte.  */
+  fpsr &= ~(excepts & FE_ALL_EXCEPT);
+  fpsr |= *flagp & excepts & FE_ALL_EXCEPT;
+
+  /* Store the new status register.  */
+  __asm__ __volatile__ ("fmove%.l %0,%/fpsr" : : "dm" (fpsr));
+}