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author | Geoff Keating <geoffk@cygnus.com> | 2001-12-06 00:12:11 +0000 |
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committer | Geoff Keating <geoffk@cygnus.com> | 2001-12-06 00:12:11 +0000 |
commit | 578618390583aa9c1e3dc70b87c1f7d19478e996 (patch) | |
tree | 5c566bcdd9bf30c8601b4f34da9cd6893362630f /sysdeps/powerpc/fpu/fclrexcpt.c | |
parent | fa13c459a156097766bedb4f1ca6f86f516e03b3 (diff) | |
download | glibc-578618390583aa9c1e3dc70b87c1f7d19478e996.zip glibc-578618390583aa9c1e3dc70b87c1f7d19478e996.tar.gz glibc-578618390583aa9c1e3dc70b87c1f7d19478e996.tar.bz2 |
* 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.c | 48 |
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); |