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author | Roland McGrath <roland@gnu.org> | 2008-11-26 07:26:32 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 2008-11-26 07:26:32 +0000 |
commit | c0439b95b88bccacb5562e372f881beb23376a72 (patch) | |
tree | aea008f060bef693d43f285f5adb5ece05cb7db6 /sysdeps/unix/sysv/linux/alpha/fraiseexcpt.c | |
parent | f1092afe15ad779d61a1420c05854a9122d3ce5e (diff) | |
download | glibc-c0439b95b88bccacb5562e372f881beb23376a72.tar.gz glibc-c0439b95b88bccacb5562e372f881beb23376a72.tar.xz glibc-c0439b95b88bccacb5562e372f881beb23376a72.zip |
Moved alpha to ports repository.
2008-11-25 Roland McGrath <roland@redhat.com> * sysdeps/alpha, sysdeps/unix/bsd/osf/alpha, sysdeps/unix/bsd/Attic/osf1/alpha, sysdeps/unix/sysv/linux/alpha, sysdeps/unix/sysv/linux/alpha/alpha, sysdeps/unix/alpha, sysdeps/mach/alpha, sysdeps/mach/hurd/alpha: Subdirectories moved to ports repository. * configure.in (base_machine): Remove alpha case.
Diffstat (limited to 'sysdeps/unix/sysv/linux/alpha/fraiseexcpt.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/alpha/fraiseexcpt.c | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/fraiseexcpt.c b/sysdeps/unix/sysv/linux/alpha/fraiseexcpt.c deleted file mode 100644 index 5e63be5cc7..0000000000 --- a/sysdeps/unix/sysv/linux/alpha/fraiseexcpt.c +++ /dev/null @@ -1,92 +0,0 @@ -/* Copyright (C) 2004,2006 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> -#include <sysdep.h> -#include <float.h> -#include <kernel-features.h> -#include "kernel_sysinfo.h" - - -int -__feraiseexcept (int excepts) -{ - INTERNAL_SYSCALL_DECL (err); - unsigned long t = excepts; - long r; - - r = INTERNAL_SYSCALL (osf_setsysinfo, err, 2, SSI_IEEE_RAISE_EXCEPTION, &t); - -#ifndef __ASSUME_IEEE_RAISE_EXCEPTION - if (!INTERNAL_SYSCALL_ERROR_P (r, err)) - return 0; - - double d; - - /* If we got an error from SSI_IEEE_RAISE_EXCEPTION, assume it means that - the system call isn't actually implemented. Do the best we can. */ - - /* Invalid implemented with 0 / 0 -> NaN. */ - if (excepts & FE_INVALID) - __asm__ __volatile__ ("divs/su $f31,$f31,%0; trapb" : "=f"(d) : ); - - /* Division By Zero implemented with 1 / 0 -> NaN. */ - if (excepts & FE_DIVBYZERO) - __asm__ __volatile__ ("divs/su %1,$f31,%0; trapb" : "=&f"(d) : "f"(1.0f)); - - /* Overflow and underflow cannot be had all by themselves. We can - generate them with arithmetic, but we always get INEXACT raised - at the same time. Prepare to undo. */ - if ((excepts & (FE_OVERFLOW | FE_UNDERFLOW)) && !(excepts & FE_INEXACT)) - INTERNAL_SYSCALL (osf_getsysinfo, err, 2, GSI_IEEE_FP_CONTROL, &t); - - /* Overflow implemented with FLT_MAX + FLT_MAX -> Inf. */ - if (excepts & FE_OVERFLOW) - __asm__ __volatile__ ("adds/sui %1,%1,%0; trapb" - : "=&f"(d) : "f"(FLT_MAX)); - - /* Underflow implemented with FLT_MIN * FLT_MIN -> 0. */ - if (excepts & FE_UNDERFLOW) - __asm__ __volatile__ ("muls/sui %1,%1,%0; trapb" - : "=&f"(d) : "f"(FLT_MIN)); - - /* Inexact implemented with (long)0.5 -> 0. */ - if ((excepts & (FE_OVERFLOW | FE_UNDERFLOW | FE_INEXACT)) == FE_INEXACT) - __asm__ __volatile__ ("cvttq/svi %1,%0; trapb" : "=&f"(d) : "f"(0.5f)); - - /* If we raised inexact when not asked, and inexact was not previously - raised, then clear that exception. */ - if ((excepts & (FE_OVERFLOW | FE_UNDERFLOW)) - && !((excepts | t) & FE_INEXACT)) - { - t |= excepts & SWCR_STATUS_MASK; - INTERNAL_SYSCALL (osf_setsysinfo, err, 2, SSI_IEEE_FP_CONTROL, &t); - } -#endif /* !__ASSUME_IEEE_RAISE_EXCEPTION */ - - return 0; -} - -#include <shlib-compat.h> -#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) -strong_alias (__feraiseexcept, __old_feraiseexcept) -compat_symbol (libm, __old_feraiseexcept, feraiseexcept, GLIBC_2_1); -#endif - -libm_hidden_ver (__feraiseexcept, feraiseexcept) -versioned_symbol (libm, __feraiseexcept, feraiseexcept, GLIBC_2_2); |