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author | Joseph Myers <joseph@codesourcery.com> | 2016-09-07 16:41:20 +0000 |
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committer | Joseph Myers <joseph@codesourcery.com> | 2016-09-07 16:41:20 +0000 |
commit | 1396c647a9391c067fdeb6aa78c1c1f4ddc513bd (patch) | |
tree | 95e7f6b2b292b5d5feecfe1bb6848cc345d86fde /sysdeps/aarch64 | |
parent | ec94343f592df68ba1ba49bb2c558f7d2629387c (diff) | |
download | glibc-1396c647a9391c067fdeb6aa78c1c1f4ddc513bd.tar.gz glibc-1396c647a9391c067fdeb6aa78c1c1f4ddc513bd.tar.xz glibc-1396c647a9391c067fdeb6aa78c1c1f4ddc513bd.zip |
Add femode_t functions: aarch64.
This patch adds AArch64 versions of fegetmode and fesetmode. Untested. * sysdeps/aarch64/fpu/fegetmode.c: New file. * sysdeps/aarch64/fpu/fesetmode.c: Likewise.
Diffstat (limited to 'sysdeps/aarch64')
-rw-r--r-- | sysdeps/aarch64/fpu/fegetmode.c | 27 | ||||
-rw-r--r-- | sysdeps/aarch64/fpu/fesetmode.c | 34 |
2 files changed, 61 insertions, 0 deletions
diff --git a/sysdeps/aarch64/fpu/fegetmode.c b/sysdeps/aarch64/fpu/fegetmode.c new file mode 100644 index 0000000000..7e76acf05d --- /dev/null +++ b/sysdeps/aarch64/fpu/fegetmode.c @@ -0,0 +1,27 @@ +/* Store current floating-point control modes. AArch64 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> + +int +fegetmode (femode_t *modep) +{ + _FPU_GETCW (*modep); + return 0; +} diff --git a/sysdeps/aarch64/fpu/fesetmode.c b/sysdeps/aarch64/fpu/fesetmode.c new file mode 100644 index 0000000000..d1b653ee07 --- /dev/null +++ b/sysdeps/aarch64/fpu/fesetmode.c @@ -0,0 +1,34 @@ +/* Install given floating-point control modes. AArch64 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> + +int +fesetmode (const femode_t *modep) +{ + fpu_control_t fpcr, fpcr_new; + _FPU_GETCW (fpcr); + if (modep == FE_DFL_MODE) + fpcr_new = (fpcr & _FPU_RESERVED) | _FPU_DEFAULT; + else + fpcr_new = *modep; + if (fpcr != fpcr_new) + _FPU_SETCW (fpcr_new); + return 0; +} |