glibc/sysdeps/alpha/fpu/fedisblxcpt.c

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/* Disable floating-point exceptions.
Copyright (C) 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2000.
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.
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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.
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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. */
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Update. * malloc/mtrace.pl (usage): Inform about --help. 2000-08-19 Wolfram Gloger <wg@malloc.de> * malloc/malloc.c (new_heap): try harder to get an aligned chunk of size HEAP_MAX_SIZE. 2000-08-19 Andreas Jaeger <aj@suse.de> * shlib-versions: Remove libnss_db, libdb and libdb1. 2000-08-19 Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/alpha/readdir.c: Move... * sysdeps/unix/sysv/linux/ia64/readdir.c: ...here and * sysdeps/unix/sysv/linux/sparc/sparc64/readdir.c: ...here. * sysdeps/unix/sysv/linux/alpha/readdir_r.c: Move... * sysdeps/unix/sysv/linux/ia64/readdir_r.c: ...here and * sysdeps/unix/sysv/linux/sparc/sparc64/readdir_r.c: ...here. * sysdeps/unix/sysv/linux/alpha/readdir64.c: Remove. * sysdeps/unix/sysv/linux/alpha/readdir64_r.c: Remove. * sysdeps/unix/sysv/linux/alpha/getdents64.c: Remove. * sysdeps/unix/sysv/linux/alpha/getdents.c: Only use for non-LFS getdents. * sysdeps/unix/sysv/linux/readdir64.c: Remove versioning. * sysdeps/unix/sysv/linux/readdir64_r.c: Likewise. 2000-08-18 Jakub Jelinek <jakub@redhat.com> * include/glob.h (__glob64): Add prototype. * sysdeps/generic/glob.c: If GLOB_ONLY_P is defined, only define glob and glob_in_dir. * sysdeps/unix/sysv/linux/i386/Versions: Add glob64@@GLIBC_2.2. * sysdeps/unix/sysv/linux/arm/Versions: Likewise. * sysdeps/unix/sysv/linux/powerpc/Versions: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/Versions: Likewise. * sysdeps/unix/sysv/linux/i386/glob64.c: New file. * sysdeps/unix/sysv/linux/arm/glob64.c: New file. * sysdeps/unix/sysv/linux/powerpc/glob64.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/glob64.c: New file. 2000-08-18 Jakub Jelinek <jakub@redhat.com> * malloc/Makefile (memusage): libmemusage.so is installed in slibdir. 2000-08-17 Andreas Jaeger <aj@suse.de> * math/test-fenv.c (fe_single_test): New function. (fe_env_tests): Use fe_single_test. (feenable_test): New tests for feenable/fedisable and fegetexcpetions. (feexcp_mask_test): New function. (feexcp_nomask_test): New function. 2000-08-19 Richard Henderson <rth@cygnus.com> * sysdeps/alpha/fpu/fenv_libc.h: New file. * sysdeps/alpha/fpu/fclrexcpt.c: Use it. * sysdeps/alpha/fpu/fegetenv.c: Likewise. * sysdeps/alpha/fpu/fesetround.c: Likewise. * sysdeps/alpha/fpu/fegetround.c: Likewise. * sysdeps/alpha/fpu/fgetexcptflg.c: Likewise. * sysdeps/alpha/fpu/fraiseexcpt.c: Likewise. * sysdeps/alpha/fpu/ftestexcept.c: Likewise. * sysdeps/alpha/fpu/fedisblxcpt.c: Likewise. Use the smaller mask. * sysdeps/alpha/fpu/feenablxcpt.c: Likewise. * sysdeps/alpha/fpu/fegetexcept.c: Likewise. * sysdeps/alpha/fpu/feholdexcpt.c: Retain the SWCR_MAP bits. * sysdeps/alpha/fpu/fesetenv.c: Likewise. * sysdeps/alpha/fpu/feupdateenv.c: Likewise. * sysdeps/alpha/fpu/fsetexcptflg.c: Likewise. * sysdeps/alpha/fpu/bits/fenv.h (FE_DENORMAL): New. (FE_MAP_DMZ, FE_MAP_UMZ, FE_NONIEEE_ENV): New. 2000-08-19 Andreas Jaeger <aj@suse.de>
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#include <fenv_libc.h>
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int
fedisableexcept (int excepts)
{
unsigned long int new_exc, old_exc;
new_exc = __ieee_get_fp_control ();
Update. * malloc/mtrace.pl (usage): Inform about --help. 2000-08-19 Wolfram Gloger <wg@malloc.de> * malloc/malloc.c (new_heap): try harder to get an aligned chunk of size HEAP_MAX_SIZE. 2000-08-19 Andreas Jaeger <aj@suse.de> * shlib-versions: Remove libnss_db, libdb and libdb1. 2000-08-19 Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/alpha/readdir.c: Move... * sysdeps/unix/sysv/linux/ia64/readdir.c: ...here and * sysdeps/unix/sysv/linux/sparc/sparc64/readdir.c: ...here. * sysdeps/unix/sysv/linux/alpha/readdir_r.c: Move... * sysdeps/unix/sysv/linux/ia64/readdir_r.c: ...here and * sysdeps/unix/sysv/linux/sparc/sparc64/readdir_r.c: ...here. * sysdeps/unix/sysv/linux/alpha/readdir64.c: Remove. * sysdeps/unix/sysv/linux/alpha/readdir64_r.c: Remove. * sysdeps/unix/sysv/linux/alpha/getdents64.c: Remove. * sysdeps/unix/sysv/linux/alpha/getdents.c: Only use for non-LFS getdents. * sysdeps/unix/sysv/linux/readdir64.c: Remove versioning. * sysdeps/unix/sysv/linux/readdir64_r.c: Likewise. 2000-08-18 Jakub Jelinek <jakub@redhat.com> * include/glob.h (__glob64): Add prototype. * sysdeps/generic/glob.c: If GLOB_ONLY_P is defined, only define glob and glob_in_dir. * sysdeps/unix/sysv/linux/i386/Versions: Add glob64@@GLIBC_2.2. * sysdeps/unix/sysv/linux/arm/Versions: Likewise. * sysdeps/unix/sysv/linux/powerpc/Versions: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/Versions: Likewise. * sysdeps/unix/sysv/linux/i386/glob64.c: New file. * sysdeps/unix/sysv/linux/arm/glob64.c: New file. * sysdeps/unix/sysv/linux/powerpc/glob64.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/glob64.c: New file. 2000-08-18 Jakub Jelinek <jakub@redhat.com> * malloc/Makefile (memusage): libmemusage.so is installed in slibdir. 2000-08-17 Andreas Jaeger <aj@suse.de> * math/test-fenv.c (fe_single_test): New function. (fe_env_tests): Use fe_single_test. (feenable_test): New tests for feenable/fedisable and fegetexcpetions. (feexcp_mask_test): New function. (feexcp_nomask_test): New function. 2000-08-19 Richard Henderson <rth@cygnus.com> * sysdeps/alpha/fpu/fenv_libc.h: New file. * sysdeps/alpha/fpu/fclrexcpt.c: Use it. * sysdeps/alpha/fpu/fegetenv.c: Likewise. * sysdeps/alpha/fpu/fesetround.c: Likewise. * sysdeps/alpha/fpu/fegetround.c: Likewise. * sysdeps/alpha/fpu/fgetexcptflg.c: Likewise. * sysdeps/alpha/fpu/fraiseexcpt.c: Likewise. * sysdeps/alpha/fpu/ftestexcept.c: Likewise. * sysdeps/alpha/fpu/fedisblxcpt.c: Likewise. Use the smaller mask. * sysdeps/alpha/fpu/feenablxcpt.c: Likewise. * sysdeps/alpha/fpu/fegetexcept.c: Likewise. * sysdeps/alpha/fpu/feholdexcpt.c: Retain the SWCR_MAP bits. * sysdeps/alpha/fpu/fesetenv.c: Likewise. * sysdeps/alpha/fpu/feupdateenv.c: Likewise. * sysdeps/alpha/fpu/fsetexcptflg.c: Likewise. * sysdeps/alpha/fpu/bits/fenv.h (FE_DENORMAL): New. (FE_MAP_DMZ, FE_MAP_UMZ, FE_NONIEEE_ENV): New. 2000-08-19 Andreas Jaeger <aj@suse.de>
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old_exc = (new_exc & SWCR_ENABLE_MASK) << SWCR_ENABLE_SHIFT;
new_exc &= ~((excepts >> SWCR_ENABLE_SHIFT) & SWCR_ENABLE_MASK);
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__ieee_set_fp_control (new_exc);
return old_exc;
}