diff options
Diffstat (limited to 'libm/metag/fegetround.c')
-rw-r--r-- | libm/metag/fegetround.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/libm/metag/fegetround.c b/libm/metag/fegetround.c new file mode 100644 index 000000000..1fb5ce2b1 --- /dev/null +++ b/libm/metag/fegetround.c @@ -0,0 +1,30 @@ +/* Return current rounding direction. + 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 <fenv.h> + +int +fegetround (void) +{ + unsigned int txmode; + + __asm__ ("MOV %0,TXMODE" : "=r" (txmode)); + + return (txmode >> 16) & 0x3; +} |