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__fe_nomask_env. * sysdeps/powerpc/fpu/fe_nomask.c: Add libm_hidden_def. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c: Likewise. * sysdeps/powerpc/bits/fenv.h: Make safe for C++. * sysdeps/unix/sysv/linux/powerpc/bits/mathinline.h: New file. * sysdeps/powerpc/fpu/fegetexcept.c (__fegetexcept): Rename function from fegetexcept and make old name weak alias. * include/fenv.h: Declare __fegetexcept. * sysdeps/powerpc/fpu/fedisblxcpt.c: Use __fegetexcept instead of fegetexcept. * sysdeps/powerpc/fpu/feenablxcpt.c: Likewise. * sysdeps/powerpc/fpu/fraiseexcpt.c (__feraiseexcept): Avoid call to fetestexcept. * sysdeps/ieee754/ldbl-128ibm/s_log1pl.c (__log1pl): Use __frexpl instead of frexpl to avoid local PLT. * math/s_significandl.c (__significandl): Use __ilogbl instead of ilogbl to avoid local PLT. * sysdeps/ieee754/ldbl-128ibm/s_expm1l.c (__expm1l): Use __ldexpl instead of ldexpl to avoid local PLT. * sysdeps/ieee754/ldbl-128ibm/e_expl.c (__ieee754_expl): Use __roundl not roundl to avoid local PLT. * sysdeps/ieee754/ldbl-128/e_j0l.c: Use function names which avoid local PLTs. Use __sincosl instead of separate sinl and cosl calls. * sysdeps/ieee754/ldbl-128/e_j1l.c: Likewise.
70 lines
2.4 KiB
C
70 lines
2.4 KiB
C
/* Raise given exceptions.
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Copyright (C) 1997,1999-2002, 2008 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <fenv_libc.h>
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#include <bp-sym.h>
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#undef feraiseexcept
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int
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__feraiseexcept (int excepts)
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{
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fenv_union_t u;
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/* Raise exceptions represented by EXCEPTS. It is the responsibility of
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the OS to ensure that if multiple exceptions occur they are fed back
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to this process in the proper way; this can happen in hardware,
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anyway (in particular, inexact with overflow or underflow). */
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/* Get the current state. */
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u.fenv = fegetenv_register ();
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/* Add the exceptions */
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u.l[1] = (u.l[1]
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| (excepts & FPSCR_STICKY_BITS)
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/* Turn FE_INVALID into FE_INVALID_SOFTWARE. */
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| (excepts >> ((31 - FPSCR_VX) - (31 - FPSCR_VXSOFT))
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& FE_INVALID_SOFTWARE));
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/* Store the new status word (along with the rest of the environment),
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triggering any appropriate exceptions. */
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fesetenv_register (u.fenv);
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if ((excepts & FE_INVALID))
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{
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/* For some reason, some PowerPC chips (the 601, in particular)
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don't have FE_INVALID_SOFTWARE implemented. Detect this
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case and raise FE_INVALID_SNAN instead. */
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u.fenv = fegetenv_register ();
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if ((u.l[1] & FE_INVALID) == 0)
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set_fpscr_bit (FPSCR_VXSNAN);
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}
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/* Success. */
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return 0;
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}
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#include <shlib-compat.h>
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#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
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strong_alias (__feraiseexcept, __old_feraiseexcept)
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compat_symbol (libm, BP_SYM (__old_feraiseexcept), BP_SYM (feraiseexcept), GLIBC_2_1);
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#endif
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libm_hidden_ver (__feraiseexcept, feraiseexcept)
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versioned_symbol (libm, BP_SYM (__feraiseexcept), BP_SYM (feraiseexcept), GLIBC_2_2);
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