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authorUlrich Drepper <drepper@redhat.com>1999-10-31 23:32:56 +0000
committerUlrich Drepper <drepper@redhat.com>1999-10-31 23:32:56 +0000
commit63ae7b6309964400c6289d9030c7d336a33b304f (patch)
treeb4b63c3c08a2221de53048493b2c586a9aa79689 /sysdeps/powerpc/fpu/fraiseexcpt.c
parentb4cbd37109d882aa052e7973684774eaa887071b (diff)
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Update.
	* Versions.def (libm): Add GLIBC_2.1.3.

	ISO C99 TR1 changes various fe* functions to return an error value.
	* math/Versions [GLIBC_2.1.3]: Add feclearexcept, fegetexceptflag,
	feraiseexcept, fesetexceptflag, fegetenv, fesetenv, and feupdateenv.
	* sysdeps/alpha/fpu/fclrexcpt.c: Return value and add alias.
	* sysdeps/alpha/fpu/fegetenv.c: Likewise.
	* sysdeps/alpha/fpu/fesetenv.c: Likewise.
	* sysdeps/alpha/fpu/feupdateenv.c: Likewise.
	* sysdeps/alpha/fpu/fgetexcptflg.c: Likewise.
	* sysdeps/alpha/fpu/fraiseexcpt.c: Likewise.
	* sysdeps/alpha/fpu/fsetexcptflg.c: Likewise.
	* sysdeps/arm/fpu/fclrexcpt.c: Likewise.
	* sysdeps/arm/fpu/fegetenv.c: Likewise.
	* sysdeps/arm/fpu/fesetenv.c: Likewise.
	* sysdeps/arm/fpu/fraiseexcpt.c: Likewise.
	* sysdeps/arm/fpu/fsetexcptflg.c: Likewise.
	* sysdeps/generic/fclrexcpt.c: Likewise.
	* sysdeps/generic/fegetenv.c: Likewise.
	* sysdeps/generic/fesetenv.c: Likewise.
	* sysdeps/generic/feupdateenv.c: Likewise.
	* sysdeps/generic/fgetexcptflg.c: Likewise.
	* sysdeps/generic/fraiseexcpt.c: Likewise.
	* sysdeps/generic/fsetexcptflg.c: Likewise.
	* sysdeps/i386/fpu/fclrexcpt.c: Likewise.
	* sysdeps/i386/fpu/fegetenv.c: Likewise.
	* sysdeps/i386/fpu/fesetenv.c: Likewise.
	* sysdeps/i386/fpu/feupdateenv.c: Likewise.
	* sysdeps/i386/fpu/fgetexcptflg.c: Likewise.
	* sysdeps/i386/fpu/fraiseexcpt.c: Likewise.
	* sysdeps/i386/fpu/fsetexcptflg.c: Likewise.
	* sysdeps/m68k/fpu/fclrexcpt.c: Likewise.
	* sysdeps/m68k/fpu/fegetenv.c: Likewise.
	* sysdeps/m68k/fpu/fesetenv.c: Likewise.
	* sysdeps/m68k/fpu/feupdateenv.c: Likewise.
	* sysdeps/m68k/fpu/fgetexcptflg.c: Likewise.
	* sysdeps/m68k/fpu/fraiseexcpt.c: Likewise.
	* sysdeps/m68k/fpu/fsetexcptflg.c: Likewise.
	* sysdeps/mips/fclrexcpt.c: Likewise.
	* sysdeps/mips/fegetenv.c: Likewise.
	* sysdeps/mips/fesetenv.c: Likewise.
	* sysdeps/mips/feupdateenv.c: Likewise.
	* sysdeps/mips/fgetexcptflg.c: Likewise.
	* sysdeps/powerpc/fclrexcpt.c: Likewise.
	* sysdeps/powerpc/fegetenv.c: Likewise.
	* sysdeps/powerpc/fesetenv.c: Likewise.
	* sysdeps/powerpc/feupdateenv.c: Likewise.
	* sysdeps/powerpc/fgetexcptflg.c: Likewise.
	* sysdeps/powerpc/fraiseexcpt.c: Likewise.
	* sysdeps/powerpc/fsetexcptflg.c: Likewise.
	* sysdeps/sparc/fpu/fclrexcpt.c: Likewise.
	* sysdeps/sparc/fpu/fegetenv.c: Likewise.
	* sysdeps/sparc/fpu/fesetenv.c: Likewise.
	* sysdeps/sparc/fpu/feupdateenv.c: Likewise.
	* sysdeps/sparc/fpu/fgetexcptflg.c: Likewise.
	* sysdeps/sparc/fpu/fraiseexcpt.c: Likewise.
	* sysdeps/sparc/fpu/fsetexcptflg.c: Likewise.
	* math/fenv.h: Adjust prototypes.: Likewise.
	* manual/arith.texi: Adjust documentation for these changes.

	* manual/arith.texi: Document feraiseexcept.

	* sysdeps/powerpc/fegetenv.c: Moved to...
	* sysdeps/powerpc/fpu/fegetenv.c: ...here.
	* sysdeps/powerpc/fegetround.c: Moved to...
	* sysdeps/powerpc/fpu/fegetround.c: ...here.
	* sysdeps/powerpc/feholdexcpt.c: Moved to...
	* sysdeps/powerpc/fpu/feholdexcpt.c: ...here.
	* sysdeps/powerpc/fesetenv.c: Moved to...
	* sysdeps/powerpc/fpu/fesetenv.c: ...here.
	* sysdeps/powerpc/fenv_libc.h: Moved to...
	* sysdeps/powerpc/fpu/fenv_libc.h: ...here.
	* sysdeps/powerpc/feupdateenv.c: Moved to...
	* sysdeps/powerpc/fpu/feupdateenv.c: ...here.
	* sysdeps/powerpc/fgetexcptflg.c: Moved to...
	* sysdeps/powerpc/fpu/fgetexcptflg.c: ...here.
	* sysdeps/powerpc/fraiseexcpt.c: Moved to...
	* sysdeps/powerpc/fpu/fraiseexcpt.c: ...here.
	* sysdeps/powerpc/fsetexcptflg.c: Moved to...
	* sysdeps/powerpc/fpu/fsetexcptflg.c: ...here.
	* sysdeps/powerpc/ftestexcept.c: Moved to...
	* sysdeps/powerpc/fpu/ftestexcept.c: ...here.
	* sysdeps/powerpc/fesetround.c: Moved to...
	* sysdeps/powerpc/fpu/fesetround.c: ...here
	* sysdeps/powerpc/fenv_const.c: Moved to...
	* sysdeps/powerpc/fpu/fenv_const.c: ...here.

1999-10-29  Jakub Jelinek  <jakub@redhat.com>

	* stdlib/longlong.h: Avoid UDIV_TIME redefinition.
	* sysdeps/sparc/sparc32/dl-machine.h: Fix loading of SPARC v8plus
	libraries from statically linked programs.
	* sysdeps/unix/sysv/linux/sparc/bits/sigaction.h: POSIX 199309
	fix for sigaction on SPARC.
	Patches by David S. Miller <davem@redhat.com>.

	* sysdeps/unix/sysv/linux/sparc/sys/ucontext.h: Declare
	gregset_t and other required structures and defines for SPARC 64bit
	ABI as well, not only 32bit ABI.

1999-10-31  Andreas Jaeger  <aj@suse.de>

	* sysdeps/sparc/sparc64/fpu/bits/huge_val.h: Replace __USE_ISOC9X
	by __USE_ISOC99 and update comments.

	* math/complex.h: Update comments for ISO C99.
	* math/fenv.h: Likewise.
	* math/test-fenv.c: Likewise.
	* math/tgmath.h: Likewise.
	* libio/stdio.h: Likewise.
	* posix/sys/types.h: Likewise.
	* sysdeps/generic/inttypes.h: Likewise.
	* sysdeps/generic/stdint.h: Likewise.

1999-10-31  Ulrich Drepper  <drepper@cygnus.com>
Diffstat (limited to 'sysdeps/powerpc/fpu/fraiseexcpt.c')
-rw-r--r--sysdeps/powerpc/fpu/fraiseexcpt.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/sysdeps/powerpc/fpu/fraiseexcpt.c b/sysdeps/powerpc/fpu/fraiseexcpt.c
new file mode 100644
index 0000000000..b72f7cb797
--- /dev/null
+++ b/sysdeps/powerpc/fpu/fraiseexcpt.c
@@ -0,0 +1,59 @@
+/* Raise given exceptions.
+   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>
+
+#undef feraiseexcept
+int
+__feraiseexcept (int excepts)
+{
+  fenv_union_t u;
+
+  /* Raise exceptions represented by EXCEPTS.  It is the responsibility of
+     the OS to ensure that if multiple exceptions occur they are fed back
+     to this process in the proper way; this can happen in hardware,
+     anyway (in particular, inexact with overflow or underflow). */
+
+  /* Get the current state.  */
+  u.fenv = fegetenv_register ();
+
+  /* Add the exceptions */
+  u.l[1] = (u.l[1]
+	    | (excepts & FPSCR_STICKY_BITS)
+	    /* Turn FE_INVALID into FE_INVALID_SOFTWARE.  */
+	    | (excepts >> ((31 - FPSCR_VX) - (31 - FPSCR_VXSOFT))
+	       & FE_INVALID_SOFTWARE));
+
+  /* Store the new status word (along with the rest of the environment),
+     triggering any appropriate exceptions.  */
+  fesetenv_register (u.fenv);
+
+  if ((excepts & FE_INVALID)
+      /* For some reason, some PowerPC chips (the 601, in particular)
+	 don't have FE_INVALID_SOFTWARE implemented.  Detect this
+	 case and raise FE_INVALID_SNAN instead.  */
+      && !fetestexcept (FE_INVALID))
+    set_fpscr_bit (FPSCR_VXSNAN);
+
+  /* Success.  */
+  return 0;
+}
+strong_alias (__feraiseexcept, __old_feraiseexcept)
+symbol_version (__old_feraiseexcept, feraiseexcept, GLIBC_2.1);
+default_symbol_version (__feraiseexcept, feraiseexcept, GLIBC_2.1.3);