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authorUlrich Drepper <drepper@redhat.com>2000-10-15 06:50:42 +0000
committerUlrich Drepper <drepper@redhat.com>2000-10-15 06:50:42 +0000
commitb15cb495054a40644197395fb6a94daa4b0e81cb (patch)
tree085712cd0a7f5e68dc291c49c6adfb9c3675dcee /sysdeps/hppa/fpu/feholdexcpt.c
parent42be70d43174c6a6e80fbd25276d4eb04c6e5adf (diff)
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Update.
2000-10-14  Ulrich Drepper  <drepper@redhat.com>

	* math/libm-test.inc (frexp_test): Add L suffix also to parameters.
	(hypot_test): Likewise.

	* sysdeps/generic/printf_fphex.c: Compute width of decimal point
	string correctly.  Handle padding correctly.

	* sysdeps/ia64/fpu/printf_fphex.c: Use sizeof in _itowa parameters
	correctly.
	* sysdeps/ieee754/ldbl-128/printf_fphex.c: Likewise.
	* sysdeps/ieee754/ldbl-96/printf_fphex.c: Likewise.

2000-10-12  Alan Modra  <alan@linuxcare.com.au>

	* FAQ.in: Add --start-group and --end-group.

2000-10-12  Alan Modra  <alan@linuxcare.com.au>

	* malloc/memusage.c: Conditionalize stack usage calculation on
	stack direction.

2000-10-12  Alan Modra  <alan@linuxcare.com.au>

	* config.h.in: Add ASM_LINE_SEP.
	* configure.in: Add test for comment and line separators.
	* include/libc-symbols.h: Define and use ASM_LINE_SEP, and add tabs to
	placate some hppa assemblers.
	* sysdeps/hppa/sysdep.h: Likewise.
	* sysdeps/gnu/siglist.c: Insert \n and \t into inline asm.
	* sysdeps/unix/sysv/linux/errlist.c: Likewise.

2000-10-12  David Huggins-Daines  <dhd@linuxcare.com>

	* sysdeps/unix/sysv/linux/Makefile: Include <bits/initspin> in
	$(sysdep_headers).
	* sysdeps/unix/sysv/linux/bits/initspin.h: Dummy version for
	non-threaded platforms.

2000-10-12  David Huggins-Daines  <dhd@linuxcare.com>

	* configure.in: Add definitions for hppa.
	* elf/elf.h: Add PLABEL32 relocation for hppa ELF32, comments
	for IPLT and EPLT relocations.
	* shlib-versions: Version symbol definitions for hppa-linux.
	* sysdeps/unix/sysv/linux/configure.in: Define $arch_minimum_kernel
	for hppa.

2000-10-12  David Huggins-Daines  <dhd@linuxcare.com>

	* sysdeps/hppa/Makefile: New file.
	* sysdeps/hppa/Versions: New file.

	* sysdeps/hppa/setjmp.S: New file.
	* sysdeps/hppa/__longjmp.S: New file.
	* sysdeps/hppa/bits/setjmp.h: New file.
	* sysdeps/hppa/frame.h: New file.

	* sysdeps/hppa/add_n.s: Don't use %r19 (linkage table pointer).
	* sysdeps/hppa/sub_n.s: Likewise.
	* sysdeps/hppa/lshift.s: Likewise.
	* sysdeps/hppa/rshift.s: Likewise.
	* sysdeps/hppa/udiv_qrnnd.s: Likewise.
	* sysdeps/hppa/hppa1.1/addmul_1.s: Likewise.
	* sysdeps/hppa/hppa1.1/submul_1.s: Likewise.
	* sysdeps/hppa/hppa1.1/mul_1.s: Likewise.
	* sysdeps/hppa/hppa1.1/udiv_qrnnd.s: Likewise.

	* sysdeps/hppa/dl-machine.h: New file.
	* sysdeps/hppa/dl-fptr.c: New file (note that this is almost
	identical to the IA-64 one).
	* sysdeps/hppa/dl-lookupcfg.h: Likewise.
	* sysdeps/hppa/dl-symaddr.c: Likewise.

	* sysdeps/hppa/elf/initfini.c: New file.
	* sysdeps/hppa/elf/start.S: New file.

	* sysdeps/hppa/fpu/bits/fenv.h: New file.
	* sysdeps/hppa/fpu/fclrexcpt.c: New file.
	* sysdeps/hppa/fpu/fedisblxcpt.c: New file.
	* sysdeps/hppa/fpu/feenablxcpt.c: New file.
	* sysdeps/hppa/fpu/fegetenv.c: New file.
	* sysdeps/hppa/fpu/fegetexcept.c: New file.
	* sysdeps/hppa/fpu/fegetround.c: New file.
	* sysdeps/hppa/fpu/feholdexcpt.c: New file.
	* sysdeps/hppa/fpu/fesetenv.c: New file.
	* sysdeps/hppa/fpu/fesetround.c: New file.
	* sysdeps/hppa/fpu/feupdateenv.c: New file.
	* sysdeps/hppa/fpu/fegetexcptflg.c: New file.
	* sysdeps/hppa/fpu/fraiseexcpt.c: New file.
	* sysdeps/hppa/fpu/fsetexcptflg.c: New file.
	* sysdeps/hppa/fpu/ftestexcept.c: New file.

	* sysdeps/unix/sysv/linux/hppa/Makefile: New file.
	* sysdeps/unix/sysv/linux/hppa/Versions: New file.
	* sysdeps/unix/sysv/linux/hppa/syscalls.list: New file.
	* sysdeps/unix/sysv/linux/hppa/sysdep.c: New file.
	* sysdeps/unix/sysv/linux/hppa/sysdep.h: New file.

	* sysdeps/unix/sysv/linux/hppa/bits/fcntl.h: New file.
	* sysdeps/unix/sysv/linux/hppa/bits/ioctls.h: New file.
	* sysdeps/unix/sysv/linux/hppa/bits/mman.h: New file.
	* sysdeps/unix/sysv/linux/hppa/bits/sigaction.h: New file.
	* sysdeps/unix/sysv/linux/hppa/bits/signum.h: New file.
	* sysdeps/unix/sysv/linux/hppa/brk.c: New file.
	* sysdeps/unix/sysv/linux/hppa/clone.S: New file.
	* sysdeps/unix/sysv/linux/hppa/socket.S: New file.
	* sysdeps/unix/sysv/linux/hppa/syscall.S: New file.
	* sysdeps/unix/sysv/linux/hppa/setrlimit.c: New file.
	* sysdeps/unix/sysv/linux/hppa/getrlimit.c: New file.
	* sysdeps/unix/sysv/linux/hppa/getrlimit64.c: New file.
	* sysdeps/unix/sysv/linux/hppa/kernel_sigaction.h: New file.
	* sysdeps/unix/sysv/linux/hppa/kernel_stat.h: New file.
	* sysdeps/unix/sysv/linux/hppa/mmap.c: New file.
	* sysdeps/unix/sysv/linux/hppa/profil-counter.h: New file.
	* sysdeps/unix/sysv/linux/hppa/procfs.h: New file.
	* sysdeps/unix/sysv/linux/hppa/ucontext.h: New file.
	* sysdeps/unix/sysv/linux/hppa/umount.c: New file.

2000-10-12  Alan Modra  <alan@linuxcare.com.au>

	* sysdeps/hppa/hppa1.1/Implies: New file.
	* sysdeps/hppa/memusage.h: New file.
Diffstat (limited to 'sysdeps/hppa/fpu/feholdexcpt.c')
-rw-r--r--sysdeps/hppa/fpu/feholdexcpt.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/sysdeps/hppa/fpu/feholdexcpt.c b/sysdeps/hppa/fpu/feholdexcpt.c
new file mode 100644
index 0000000000..10621786eb
--- /dev/null
+++ b/sysdeps/hppa/fpu/feholdexcpt.c
@@ -0,0 +1,60 @@
+/* Store current floating-point environment and clear exceptions.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David Huggins-Daines <dhd@debian.org>, 2000
+
+   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.h>
+#include <string.h>
+
+int
+feholdexcept (fenv_t *envp)
+{
+  fenv_t clear;
+
+  /* Store the environment.  */
+  {
+    fenv_t * _regs = envp;
+    __asm__ (
+	     "fstd %%fr0,0(%2)\n"
+	     "fstd,ma %%fr1,8(%2)\n"
+	     "fstd,ma %%fr2,8(%2)\n"
+	     "fstd %%fr3,0(%2)\n"
+	     : "=m" (*_regs), "=r" (_regs) : "1" (_regs));
+    memcpy (&clear, envp, sizeof (clear));
+  }
+
+  /* Now clear all exceptions.  */
+  clear.__status_word &= ~(FE_ALL_EXCEPT << 27);
+  memset (clear.__exception, 0, sizeof (clear.__exception));
+
+  /* And set all exceptions to non-stop.  */
+  clear.__status_word &= ~FE_ALL_EXCEPT;
+
+  /* Load the new environment. */
+  {
+    fenv_t * _regs = &clear + 1;
+    __asm__ (
+	     "fldd,mb -8(%2),%%fr3\n"
+	     "fldd,mb -8(%2),%%fr2\n"
+	     "fldd,mb -8(%2),%%fr1\n"
+	     "fldd -8(%2),%%fr0\n"
+	     : "=m" (*_regs), "=r" (_regs) : "1" (_regs));
+  }
+
+  return 0;
+}