From cf349fcbb555b77f22d96fe3a7b25579337ab989 Mon Sep 17 00:00:00 2001 From: Markos Chandras Date: Thu, 26 Nov 2009 10:20:01 +0000 Subject: libm: Add support for the Meta architecture Signed-off-by: Markos Chandras Signed-off-by: Bernhard Reutner-Fischer --- libm/metag/fsetexcptflg.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 libm/metag/fsetexcptflg.c (limited to 'libm/metag/fsetexcptflg.c') diff --git a/libm/metag/fsetexcptflg.c b/libm/metag/fsetexcptflg.c new file mode 100644 index 000000000..11ae917e5 --- /dev/null +++ b/libm/metag/fsetexcptflg.c @@ -0,0 +1,44 @@ +/* Set floating-point environment exception handling. + Copyright (C) 2013 Imagination Technologies Ltd. + 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 +#include +#include + +#include "internal.h" + +int +fesetexceptflag (const fexcept_t *flagp, int excepts) +{ + unsigned int temp; + + /* Get the current exceptions. */ + __asm__ ("MOV %0,TXDEFR" : "=r" (temp)); + + excepts &= FE_ALL_EXCEPT; + excepts <<= 16; + + temp &= ~excepts; + temp |= *flagp & excepts; + + metag_set_fpu_flags(temp); + + /* Success. */ + return 0; +} -- cgit v1.2.3