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| author | Joseph Myers <joseph@codesourcery.com> | 2016-09-07 16:48:41 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2016-09-07 16:48:41 +0000 |
| commit | ed29339bf95362bd540be94ea3c2b94f78d363ec (patch) | |
| tree | 19d76582addbdf5e9a431b1330d70919f67a7a5b | |
| parent | d0a83af082f227661e1187ab55b1be551d231423 (diff) | |
| download | glibc-ed29339bf95362bd540be94ea3c2b94f78d363ec.tar.gz glibc-ed29339bf95362bd540be94ea3c2b94f78d363ec.tar.xz glibc-ed29339bf95362bd540be94ea3c2b94f78d363ec.zip | |
Add femode_t functions: sparc.
This patch adds SPARC versions of fegetmode and fesetmode. Untested. * sysdeps/sparc/fpu/fegetmode.c: New file. * sysdeps/sparc/fpu/fesetmode.c: Likewise.
| -rw-r--r-- | ChangeLog | 3 | ||||
| -rw-r--r-- | sysdeps/sparc/fpu/fegetmode.c | 26 | ||||
| -rw-r--r-- | sysdeps/sparc/fpu/fesetmode.c | 38 |
3 files changed, 67 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 7e9355676b..ea062d20c3 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,8 @@ 2016-09-07 Joseph Myers <joseph@codesourcery.com> + * sysdeps/sparc/fpu/fegetmode.c: New file. + * sysdeps/sparc/fpu/fesetmode.c: Likewise. + * sysdeps/sh/sh4/fpu/fegetmode.c: New file. * sysdeps/sh/sh4/fpu/fesetmode.c: Likewise. diff --git a/sysdeps/sparc/fpu/fegetmode.c b/sysdeps/sparc/fpu/fegetmode.c new file mode 100644 index 0000000000..68e694e03d --- /dev/null +++ b/sysdeps/sparc/fpu/fegetmode.c @@ -0,0 +1,26 @@ +/* Store current floating-point control modes. SPARC 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) +{ + __fenv_stfsr (*modep); + return 0; +} diff --git a/sysdeps/sparc/fpu/fesetmode.c b/sysdeps/sparc/fpu/fesetmode.c new file mode 100644 index 0000000000..4a0080e1a4 --- /dev/null +++ b/sysdeps/sparc/fpu/fesetmode.c @@ -0,0 +1,38 @@ +/* Install given floating-point control modes. SPARC 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> +#include <fpu_control.h> + +#define FPU_CONTROL_BITS 0xcfc00000UL + +int +fesetmode (const femode_t *modep) +{ + femode_t fsr; + + __fenv_stfsr (fsr); + fsr &= ~FPU_CONTROL_BITS; + if (modep == FE_DFL_MODE) + fsr |= _FPU_DEFAULT; + else + fsr |= *modep & FPU_CONTROL_BITS; + __fenv_ldfsr (fsr); + + return 0; +} |