From 9969e62e74cde7a78de10c220aeed200f8c93686 Mon Sep 17 00:00:00 2001 From: Joseph Myers Date: Wed, 7 Sep 2016 16:46:47 +0000 Subject: Add femode_t functions: powerpc. This patch adds PowerPC versions of fegetmode and fesetmode. * sysdeps/powerpc/fpu/fegetmode.c: New file. * sysdeps/powerpc/fpu/fesetmode.c: Likewise. * sysdeps/powerpc/nofpu/fegetmode.c: Likewise. * sysdeps/powerpc/nofpu/fesetmode.c: Likewise. * sysdeps/powerpc/powerpc32/e500/nofpu/fegetmode.c: Likewise. * sysdeps/powerpc/powerpc32/e500/nofpu/fesetmode.c: Likewise. --- sysdeps/powerpc/nofpu/fegetmode.c | 33 +++++++++++++++++++++++++++++++++ sysdeps/powerpc/nofpu/fesetmode.c | 34 ++++++++++++++++++++++++++++++++++ 2 files changed, 67 insertions(+) create mode 100644 sysdeps/powerpc/nofpu/fegetmode.c create mode 100644 sysdeps/powerpc/nofpu/fesetmode.c (limited to 'sysdeps/powerpc/nofpu') diff --git a/sysdeps/powerpc/nofpu/fegetmode.c b/sysdeps/powerpc/nofpu/fegetmode.c new file mode 100644 index 0000000000..e7d68182f6 --- /dev/null +++ b/sysdeps/powerpc/nofpu/fegetmode.c @@ -0,0 +1,33 @@ +/* Store current floating-point control modes. PowerPC soft-float 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 "soft-fp.h" +#include "soft-supp.h" + +int +fegetmode (femode_t *modep) +{ + fenv_union_t u; + + u.l[0] = __sim_round_mode_thread; + u.l[1] = __sim_disabled_exceptions_thread; + + *modep = u.fenv; + + return 0; +} diff --git a/sysdeps/powerpc/nofpu/fesetmode.c b/sysdeps/powerpc/nofpu/fesetmode.c new file mode 100644 index 0000000000..8f9f66c8f0 --- /dev/null +++ b/sysdeps/powerpc/nofpu/fesetmode.c @@ -0,0 +1,34 @@ +/* Install given floating-point control modes. PowerPC soft-float 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 "soft-fp.h" +#include "soft-supp.h" + +int +fesetmode (const femode_t *modep) +{ + fenv_union_t u; + + u.fenv = *modep; + __sim_round_mode_thread = u.l[0]; + SIM_SET_GLOBAL (__sim_round_mode_global, __sim_round_mode_thread); + __sim_disabled_exceptions_thread = u.l[1]; + SIM_SET_GLOBAL (__sim_disabled_exceptions_global, + __sim_disabled_exceptions_thread); + return 0; +} -- cgit 1.4.1