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authorUlrich Drepper <drepper@redhat.com>1999-11-01 00:17:59 +0000
committerUlrich Drepper <drepper@redhat.com>1999-11-01 00:17:59 +0000
commit7210de33793bc5804291d13b543b3f452831013b (patch)
treea8a2a8502b16790e4ff104273aaf9b4584bed810 /sysdeps/powerpc
parent63ae7b6309964400c6289d9030c7d336a33b304f (diff)
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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.
Diffstat (limited to 'sysdeps/powerpc')
-rw-r--r--sysdeps/powerpc/fpu/fegetenv.c32
-rw-r--r--sysdeps/powerpc/fpu/fegetround.c29
-rw-r--r--sysdeps/powerpc/fpu/fesetenv.c32
-rw-r--r--sysdeps/powerpc/fpu/fesetround.c41
-rw-r--r--sysdeps/powerpc/fpu/feupdateenv.c43
-rw-r--r--sysdeps/powerpc/fpu/ftestexcept.c33
6 files changed, 210 insertions, 0 deletions
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 <fenv_libc.h>
+
+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 <fenv_libc.h>
+
+#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 <fenv_libc.h>
+
+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 <drepper@cygnus.com>, 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 <fenv_libc.h>
+
+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 <drepper@cygnus.com>, 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 <fenv_libc.h>
+
+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 <fenv_libc.h>
+
+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;
+}