592f26a3ed
2003-12-17 Carlos O'Donell <carlos@baldric.uwo.ca> * sysdeps/hppa/fpu/fclrexcpt.c (feclearexcept): Right shift FE_ALL_EXCEPT before complimenting. * sysdeps/hppa/fpu/fegetenv.c (fegetenv): Use asm 'ma,' completer, and gcc '+r' constraint. * sysdeps/hppa/fpu/feholdexcpt.c (feholdexcept): Likewise. * sysdeps/hppa/fpu/fesetenv.c (fesetenv): Likewise. * sysdeps/hppa/fpu/feupdateenv.c (feupdateenv): Read raised exception bits, OR with envp, pass to fesetenv. * sysdeps/hppa/fpu/fraiseexcpt.c (feraiseexcept): Add delayed exception flushing, FE_UNDERFLOW is DBL_MIN/3.0, FE_INEXACT is triggered by M_PI/69.69 converted to single precision. * sysdeps/hppa/fpu/fsetexcptflg.c (fesetexceptflag): Set enable bits not raised exception bits. * sysdeps/hppa/Makefile: Add dl-symaddr and dl-fptr to the correct build strings. * sysdeps/hppa/dl-fptr.h: New file. * sysdeps/hppa/dl-fptr.c: Removed. * sysdeps/hppa/dl-symaddr.c (_dl_symbol_address): Use _dl_make_ftpr, remove const qualifier for map. (_dl_function_address): Removed. * sysdeps/hppa/dl-lookupcfg.h: DL_LOOKUP_ADDRESS must clear PLABEL32 bits, define DL_AUTO_FUNCTION_ADDRESS and DL_STATIC_FUNCTION_ADDRESS, DL_DT_INIT_ADDRESS and DL_DT_FINI_ADDRESS use the previous two macros. * misc/mntent_r.c: Change encoding to match recently changed decoder.
39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
/* Install given floating-point environment and raise exceptions.
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Copyright (C) 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by David Huggins-Daines <dhd@debian.org>, 2000
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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.h>
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int
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feupdateenv (const fenv_t *envp)
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{
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unsigned int sw[2];
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/* Get the current exception status. */
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__asm__ ("fstd %%fr0,0(%1)" : "=m" (*sw) : "r" (sw));
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sw[0] &= FE_ALL_EXCEPT;
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envp->__status_word = envp->__status_word | sw[0];
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/* Install new environment. */
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fesetenv (envp);
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/* Success. */
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return 0;
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}
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