From e64ac02c24b43659048622714afdc92fedf561fa Mon Sep 17 00:00:00 2001 From: Joseph Myers Date: Sun, 1 Jul 2012 13:06:41 +0000 Subject: Move all files into ports/ subdirectory in preparation for merge with glibc --- ports/sysdeps/m68k/fpu/fesetround.c | 38 +++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 ports/sysdeps/m68k/fpu/fesetround.c (limited to 'ports/sysdeps/m68k/fpu/fesetround.c') diff --git a/ports/sysdeps/m68k/fpu/fesetround.c b/ports/sysdeps/m68k/fpu/fesetround.c new file mode 100644 index 0000000000..bfc463d07a --- /dev/null +++ b/ports/sysdeps/m68k/fpu/fesetround.c @@ -0,0 +1,38 @@ +/* Set current rounding direction. + Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Schwab + + 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, see + . */ + +#include + +int +fesetround (int round) +{ + fexcept_t fpcr; + + if (round & ~FE_UPWARD) + /* ROUND is no valid rounding mode. */ + return 1; + + __asm__ ("fmove%.l %!,%0" : "=dm" (fpcr)); + fpcr &= ~FE_UPWARD; + fpcr |= round; + __asm__ __volatile__ ("fmove%.l %0,%!" : : "dm" (fpcr)); + + return 0; +} +libm_hidden_def (fesetround); -- cgit v1.2.1