diff options
| -rw-r--r-- | ChangeLog | 3 | ||||
| -rw-r--r-- | sysdeps/ia64/fpu/fegetmode.c | 26 | ||||
| -rw-r--r-- | sysdeps/ia64/fpu/fesetmode.c | 42 |
3 files changed, 71 insertions, 0 deletions
@@ -1,5 +1,8 @@ 2016-09-07 Joseph Myers <joseph@codesourcery.com> + * sysdeps/ia64/fpu/fegetmode.c: New file. + * sysdeps/ia64/fpu/fesetmode.c: Likewise. + * sysdeps/hppa/fpu/fegetmode.c: New file. * sysdeps/hppa/fpu/fesetmode.c: Likewise. diff --git a/sysdeps/ia64/fpu/fegetmode.c b/sysdeps/ia64/fpu/fegetmode.c new file mode 100644 index 0000000..0ccaa8f --- /dev/null +++ b/sysdeps/ia64/fpu/fegetmode.c @@ -0,0 +1,26 @@ +/* Store current floating-point control modes. IA64 version. + Copyright (C) 2016 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, see + <http://www.gnu.org/licenses/>. */ + +#include <fenv.h> + +int +fegetmode (femode_t *modep) +{ + __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (*modep)); + return 0; +} diff --git a/sysdeps/ia64/fpu/fesetmode.c b/sysdeps/ia64/fpu/fesetmode.c new file mode 100644 index 0000000..11187e9 --- /dev/null +++ b/sysdeps/ia64/fpu/fesetmode.c @@ -0,0 +1,42 @@ +/* Install given floating-point control modes. IA64 version. + Copyright (C) 2016 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, see + <http://www.gnu.org/licenses/>. */ + +#include <fenv.h> + +#define FPSR_STATUS 0x1f80UL +#define FPSR_STATUS_ALL ((FPSR_STATUS << 6) | (FPSR_STATUS << 19) \ + | (FPSR_STATUS << 32) | (FPSR_STATUS << 45)) + +int +fesetmode (const femode_t *modep) +{ + femode_t mode; + + /* As in fesetenv. */ + if (((fenv_t) modep >> 62) == 0x03) + mode = (femode_t) modep & 0x3fffffffffffffffUL; + else + mode = *modep; + + femode_t fpsr; + __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr)); + fpsr = (fpsr & FPSR_STATUS_ALL) | (mode & ~FPSR_STATUS_ALL); + __asm__ __volatile__ ("mov.m ar.fpsr=%0;;" :: "r" (fpsr)); + + return 0; +} |