From 7210de33793bc5804291d13b543b3f452831013b Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Mon, 1 Nov 1999 00:17:59 +0000 Subject: Update. * sysdeps/mips/fclrexcpt.c: Moved to... * sysdeps/mips/fpu/fclrexcpt.c: ...here. * sysdeps/mips/fegetenv.c: Moved to... * sysdeps/mips/fpu/fegetenv.c: ...here. * sysdeps/mips/fegetround.c: Moved to... * sysdeps/mips/fpu/fegetround.c: ...here. * sysdeps/mips/fesetenv.c: Moved to... * sysdeps/mips/fpu/fesetenv.c: ...here. * sysdeps/mips/fesetround.c: Moved to... * sysdeps/mips/fpu/fesetround.c: ...here. * sysdeps/mips/feupdateenv.c: Moved to... * sysdeps/mips/fpu/feupdateenv.c: ...here. * sysdeps/mips/fgetexcptflg.c: Moved to... * sysdeps/mips/fpu/fgetexcptflg.c: ...here. * sysdeps/mips/ftestexcept.c: Moved to... * sysdeps/mips/fpu/ftestexcept.c: ...here. --- sysdeps/powerpc/fpu/fegetenv.c | 32 +++++++++++++++++++++++++++++ sysdeps/powerpc/fpu/fegetround.c | 29 ++++++++++++++++++++++++++ sysdeps/powerpc/fpu/fesetenv.c | 32 +++++++++++++++++++++++++++++ sysdeps/powerpc/fpu/fesetround.c | 41 +++++++++++++++++++++++++++++++++++++ sysdeps/powerpc/fpu/feupdateenv.c | 43 +++++++++++++++++++++++++++++++++++++++ sysdeps/powerpc/fpu/ftestexcept.c | 33 ++++++++++++++++++++++++++++++ 6 files changed, 210 insertions(+) create mode 100644 sysdeps/powerpc/fpu/fegetenv.c create mode 100644 sysdeps/powerpc/fpu/fegetround.c create mode 100644 sysdeps/powerpc/fpu/fesetenv.c create mode 100644 sysdeps/powerpc/fpu/fesetround.c create mode 100644 sysdeps/powerpc/fpu/feupdateenv.c create mode 100644 sysdeps/powerpc/fpu/ftestexcept.c (limited to 'sysdeps/powerpc') diff --git a/sysdeps/powerpc/fpu/fegetenv.c b/sysdeps/powerpc/fpu/fegetenv.c new file mode 100644 index 0000000000..7a28500d6c --- /dev/null +++ b/sysdeps/powerpc/fpu/fegetenv.c @@ -0,0 +1,32 @@ +/* Store current floating-point environment. + Copyright (C) 1997, 1999 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include + +int +__fegetenv (fenv_t *envp) +{ + *envp = fegetenv_register (); + + /* Success. */ + return 0; +} +strong_alias (__fegetenv, __old_fegetenv) +symbol_version (__old_fegetenv, fegetenv, GLIBC_2.1); +default_symbol_version (__fegetenv, fegetenv, GLIBC_2.1.3); diff --git a/sysdeps/powerpc/fpu/fegetround.c b/sysdeps/powerpc/fpu/fegetround.c new file mode 100644 index 0000000000..3bb9fb49e0 --- /dev/null +++ b/sysdeps/powerpc/fpu/fegetround.c @@ -0,0 +1,29 @@ +/* Return current rounding direction. + Copyright (C) 1997 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include + +#undef fegetround +int +fegetround (void) +{ + int result; + asm ("mcrfs 7,7 ; mfcr %0" : "=r"(result) : : "cr7"); \ + return result & 3; +} diff --git a/sysdeps/powerpc/fpu/fesetenv.c b/sysdeps/powerpc/fpu/fesetenv.c new file mode 100644 index 0000000000..9f4288df56 --- /dev/null +++ b/sysdeps/powerpc/fpu/fesetenv.c @@ -0,0 +1,32 @@ +/* Install given floating-point environment. + Copyright (C) 1997, 1999 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include + +int +__fesetenv (const fenv_t *envp) +{ + fesetenv_register (*envp); + + /* Success. */ + return 0; +} +strong_alias (__fesetenv, __old_fesetenv) +symbol_version (__old_fesetenv, fesetenv, GLIBC_2.1); +default_symbol_version (__fesetenv, fesetenv, GLIBC_2.1.3); diff --git a/sysdeps/powerpc/fpu/fesetround.c b/sysdeps/powerpc/fpu/fesetround.c new file mode 100644 index 0000000000..875c89768a --- /dev/null +++ b/sysdeps/powerpc/fpu/fesetround.c @@ -0,0 +1,41 @@ +/* Set current rounding direction. + Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , 1997. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include + +int +fesetround (int round) +{ + fenv_union_t u; + + if ((unsigned int) round > 3) + return 0; + + /* Get the current state. */ + u.fenv = fegetenv_register (); + + /* Set the relevant bits. */ + u.l[1] = (u.l[1] & ~3) | (round & 3); + + /* Put the new state in effect. */ + fesetenv_register (u.fenv); + + return 1; +} diff --git a/sysdeps/powerpc/fpu/feupdateenv.c b/sysdeps/powerpc/fpu/feupdateenv.c new file mode 100644 index 0000000000..26c2ddfef3 --- /dev/null +++ b/sysdeps/powerpc/fpu/feupdateenv.c @@ -0,0 +1,43 @@ +/* Install given floating-point environment and raise exceptions. + Copyright (C) 1997, 1999 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , 1997. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include + +int +__feupdateenv (const fenv_t *envp) +{ + fenv_union_t old, new; + + /* Save the currently set exceptions. */ + new.fenv = *envp; + old.fenv = fegetenv_register (); + + /* Copy the set exceptions from `old' to `new'. */ + new.l[1] = (new.l[1] & 0xE00000FF) | (old.l[1] & 0x1FFFFF00); + + /* Atomically enable and raise (if appropriate) exceptions set in `new'. */ + fesetenv_register (new.fenv); + + /* Success. */ + return 0; +} +strong_alias (__feupdateenv, __old_feupdateenv) +symbol_version (__old_feupdateenv, feupdateenv, GLIBC_2.1); +default_symbol_version (__feupdateenv, feupdateenv, GLIBC_2.1.3); diff --git a/sysdeps/powerpc/fpu/ftestexcept.c b/sysdeps/powerpc/fpu/ftestexcept.c new file mode 100644 index 0000000000..6cb8dd5e28 --- /dev/null +++ b/sysdeps/powerpc/fpu/ftestexcept.c @@ -0,0 +1,33 @@ +/* Test exception in current environment. + Copyright (C) 1997 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include + +int +fetestexcept (int excepts) +{ + fenv_union_t u; + + /* Get the current state. */ + u.fenv = fegetenv_register (); + + /* The FE_INVALID bit is dealt with correctly by the hardware, so we can + just: */ + return u.l[1] & excepts; +} -- cgit 1.4.1