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authorGeoff Keating <geoffk@cygnus.com>2001-12-06 00:12:11 +0000
committerGeoff Keating <geoffk@cygnus.com>2001-12-06 00:12:11 +0000
commit578618390583aa9c1e3dc70b87c1f7d19478e996 (patch)
tree5c566bcdd9bf30c8601b4f34da9cd6893362630f /sysdeps/powerpc/fpu/fclrexcpt.c
parentfa13c459a156097766bedb4f1ca6f86f516e03b3 (diff)
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* sysdeps/powerpc/__longjmp.S: Don't restore FP registers.
* sysdeps/powerpc/fpu/__longjmp.S: Do restore FP registers. * sysdeps/powerpc/setjmp.S: Don't save FP registers. * sysdeps/powerpc/fpu/setjmp.S: Do save FP registers. * sysdeps/powerpc/fclrexcpt.c: Move to... * sysdeps/powerpc/fpu/fclrexcpt.c: ... here. * sysdeps/powerpc/fpu_control.h: Move to... * sysdeps/powerpc/fpu/fpu_control.h: ... here. 2001-12-05 Geoff Keating <geoffk@redhat.com> * sysdeps/powerpc/__longjmp.S: Don't restore FP registers. * sysdeps/powerpc/fpu/__longjmp.S: Do restore FP registers. * sysdeps/powerpc/setjmp.S: Don't save FP registers. * sysdeps/powerpc/fpu/setjmp.S: Do save FP registers. * sysdeps/powerpc/fclrexcpt.c: Move to... * sysdeps/powerpc/fpu/fclrexcpt.c: ... here. * sysdeps/powerpc/fpu_control.h: Move to... * sysdeps/powerpc/fpu/fpu_control.h: ... here.
Diffstat (limited to 'sysdeps/powerpc/fpu/fclrexcpt.c')
-rw-r--r--sysdeps/powerpc/fpu/fclrexcpt.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/sysdeps/powerpc/fpu/fclrexcpt.c b/sysdeps/powerpc/fpu/fclrexcpt.c
new file mode 100644
index 0000000..d06e471
--- /dev/null
+++ b/sysdeps/powerpc/fpu/fclrexcpt.c
@@ -0,0 +1,48 @@
+/* Clear given exceptions in current floating-point environment.
+ Copyright (C) 1997,99,2000,01 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. */
+
+#include <fenv_libc.h>
+
+#undef feclearexcept
+int
+__feclearexcept (int excepts)
+{
+ fenv_union_t u;
+
+ /* Get the current state. */
+ u.fenv = fegetenv_register ();
+
+ /* Clear the relevant bits. */
+ u.l[1] = u.l[1] & ~((-(excepts >> (31 - FPSCR_VX) & 1) & FE_ALL_INVALID)
+ | (excepts & FPSCR_STICKY_BITS));
+
+ /* Put the new state in effect. */
+ fesetenv_register (u.fenv);
+
+ /* Success. */
+ return 0;
+}
+
+#include <shlib-compat.h>
+#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
+strong_alias (__feclearexcept, __old_feclearexcept)
+compat_symbol (libm, __old_feclearexcept, feclearexcept, GLIBC_2_1);
+#endif
+
+versioned_symbol (libm, __feclearexcept, feclearexcept, GLIBC_2_2);