From 1396c647a9391c067fdeb6aa78c1c1f4ddc513bd Mon Sep 17 00:00:00 2001 From: Joseph Myers Date: Wed, 7 Sep 2016 16:41:20 +0000 Subject: 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. --- ChangeLog | 3 +++ sysdeps/aarch64/fpu/fegetmode.c | 27 +++++++++++++++++++++++++++ sysdeps/aarch64/fpu/fesetmode.c | 34 ++++++++++++++++++++++++++++++++++ 3 files changed, 64 insertions(+) create mode 100644 sysdeps/aarch64/fpu/fegetmode.c create mode 100644 sysdeps/aarch64/fpu/fesetmode.c diff --git a/ChangeLog b/ChangeLog index 5f06ead..0261fbd 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,8 @@ 2016-09-07 Joseph Myers + * sysdeps/aarch64/fpu/fegetmode.c: New file. + * sysdeps/aarch64/fpu/fesetmode.c: Likewise. + * math/fegetmode.c: New file. * math/fesetmode.c: Likewise. * sysdeps/i386/fpu/fegetmode.c: Likewise. diff --git a/sysdeps/aarch64/fpu/fegetmode.c b/sysdeps/aarch64/fpu/fegetmode.c new file mode 100644 index 0000000..7e76acf --- /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 + . */ + +#include +#include + +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 0000000..d1b653e --- /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 + . */ + +#include +#include + +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; +} -- cgit v1.1