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author | Joseph Myers <joseph@codesourcery.com> | 2016-09-07 16:48:08 +0000 |
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committer | Joseph Myers <joseph@codesourcery.com> | 2016-09-07 16:48:08 +0000 |
commit | d0a83af082f227661e1187ab55b1be551d231423 (patch) | |
tree | 59b639e4c56b4d4d3bdb3a8cf03c4d782781ce30 /sysdeps/sh | |
parent | 86bb437d6a0302c44c0bb59799e3c9b0e5c7bfdf (diff) | |
download | glibc-d0a83af082f227661e1187ab55b1be551d231423.zip glibc-d0a83af082f227661e1187ab55b1be551d231423.tar.gz glibc-d0a83af082f227661e1187ab55b1be551d231423.tar.bz2 |
Add femode_t functions: sh.
This patch adds SH versions of fegetmode and fesetmode. Untested.
* sysdeps/sh/sh4/fpu/fegetmode.c: New file.
* sysdeps/sh/sh4/fpu/fesetmode.c: Likewise.
Diffstat (limited to 'sysdeps/sh')
-rw-r--r-- | sysdeps/sh/sh4/fpu/fegetmode.c | 27 | ||||
-rw-r--r-- | sysdeps/sh/sh4/fpu/fesetmode.c | 38 |
2 files changed, 65 insertions, 0 deletions
diff --git a/sysdeps/sh/sh4/fpu/fegetmode.c b/sysdeps/sh/sh4/fpu/fegetmode.c new file mode 100644 index 0000000..53691b2 --- /dev/null +++ b/sysdeps/sh/sh4/fpu/fegetmode.c @@ -0,0 +1,27 @@ +/* Store current floating-point control modes. SH4 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/sh/sh4/fpu/fesetmode.c b/sysdeps/sh/sh4/fpu/fesetmode.c new file mode 100644 index 0000000..eb1cddc --- /dev/null +++ b/sysdeps/sh/sh4/fpu/fesetmode.c @@ -0,0 +1,38 @@ +/* Install given floating-point control modes. SH4 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_STATUS 0x3f07c + +int +fesetmode (const femode_t *modep) +{ + fpu_control_t fpscr; + + _FPU_GETCW (fpscr); + fpscr &= FPU_STATUS; + if (modep == FE_DFL_MODE) + fpscr |= _FPU_DEFAULT; + else + fpscr |= *modep & ~FPU_STATUS; + _FPU_SETCW (fpscr); + + return 0; +} |