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| author | Roland McGrath <roland@gnu.org> | 2008-11-26 07:26:32 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 2008-11-26 07:26:32 +0000 |
| commit | c0439b95b88bccacb5562e372f881beb23376a72 (patch) | |
| tree | aea008f060bef693d43f285f5adb5ece05cb7db6 /sysdeps/alpha/fpu/s_trunc.c | |
| parent | f1092afe15ad779d61a1420c05854a9122d3ce5e (diff) | |
| download | glibc-c0439b95b88bccacb5562e372f881beb23376a72.tar.gz | |
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/alpha/fpu/s_trunc.c')
| -rw-r--r-- | sysdeps/alpha/fpu/s_trunc.c | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/sysdeps/alpha/fpu/s_trunc.c b/sysdeps/alpha/fpu/s_trunc.c deleted file mode 100644 index 11a279a53f..0000000000 --- a/sysdeps/alpha/fpu/s_trunc.c +++ /dev/null @@ -1,53 +0,0 @@ -/* Copyright (C) 2007 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Richard Henderson. - - 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 <math.h> -#include <math_ldbl_opt.h> - - -/* Use the chopped rounding mode conversion instructions to implement trunc. */ - -double -__trunc (double x) -{ - double two52 = copysign (0x1.0p52, x); - double r, tmp; - - __asm ( -#ifdef _IEEE_FP_INEXACT - "addt/suic %2, %3, %1\n\tsubt/suic %1, %3, %0" -#else - "addt/suc %2, %3, %1\n\tsubt/suc %1, %3, %0" -#endif - : "=&f"(r), "=&f"(tmp) - : "f"(x), "f"(two52)); - - /* trunc(-0) == -0, and in general we'll always have the same - sign as our input. */ - return copysign (r, x); -} - -weak_alias (__trunc, trunc) -#ifdef NO_LONG_DOUBLE -strong_alias (__trunc, __truncl) -weak_alias (__trunc, truncl) -#endif -#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1) -compat_symbol (libm, __trunc, truncl, GLIBC_2_1); -#endif |