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-rw-r--r--sysdeps/hppa/fpu/fraiseexcpt.c102
1 files changed, 0 insertions, 102 deletions
diff --git a/sysdeps/hppa/fpu/fraiseexcpt.c b/sysdeps/hppa/fpu/fraiseexcpt.c
deleted file mode 100644
index b064dc1..0000000
--- a/sysdeps/hppa/fpu/fraiseexcpt.c
+++ /dev/null
@@ -1,102 +0,0 @@
-/* Raise given exceptions.
- Copyright (C) 1997, 1999, 2000, 2002 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by David Huggins-Daines <dhd@debian.org>
-
- 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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#include <fenv.h>
-#include <float.h>
-#include <math.h>
-
-/* Please see section 10,
- page 10-5 "Delayed Trapping" in the PA-RISC 2.0 Architecture manual */
-
-int
-feraiseexcept (int excepts)
-{
- /* Raise exceptions represented by EXCEPTS. But we must raise only one
- signal at a time. It is important that if the overflow/underflow
- exception and the divide by zero exception are given at the same
- time, the overflow/underflow exception follows the divide by zero
- exception. */
-
- /* We do these bits in assembly to be certain GCC doesn't optimize
- away something important, and so we can force delayed traps to
- occur. */
-
- /* We use "fldd 0(%%sr0,%%sp),%0" to flush the delayed exception */
-
- /* First: Invalid exception. */
- if (excepts & FE_INVALID)
- {
- /* One example of a invalid operation is 0 * Infinity. */
- double d = HUGE_VAL;
- __asm__ __volatile__ (
- " fcpy,dbl %%fr0,%%fr22\n"
- " fmpy,dbl %0,%%fr22,%0\n"
- " fldd 0(%%sr0,%%sp),%0"
- : "+f" (d) : : "%fr22" );
- }
-
- /* Second: Division by zero. */
- if (excepts & FE_DIVBYZERO)
- {
- double d = 1.0;
- __asm__ __volatile__ (
- " fcpy,dbl %%fr0,%%fr22\n"
- " fdiv,dbl %0,%%fr22,%0\n"
- " fldd 0(%%sr0,%%sp),%0"
- : "+f" (d) : : "%fr22" );
- }
-
- /* Third: Overflow. */
- if (excepts & FE_OVERFLOW)
- {
- double d = DBL_MAX;
- __asm__ __volatile__ (
- " fadd,dbl %0,%0,%0\n"
- " fldd 0(%%sr0,%%sp),%0"
- : "+f" (d) );
- }
-
- /* Fourth: Underflow. */
- if (excepts & FE_UNDERFLOW)
- {
- double d = DBL_MIN;
- double e = 3.0;
- __asm__ __volatile__ (
- " fdiv,dbl %0,%1,%0\n"
- " fldd 0(%%sr0,%%sp),%0"
- : "+f" (d) : "f" (e) );
- }
-
- /* Fifth: Inexact */
- if (excepts & FE_INEXACT)
- {
- double d = M_PI;
- double e = 69.69;
- __asm__ __volatile__ (
- " fdiv,dbl %0,%1,%%fr22\n"
- " fcnvfxt,dbl,sgl %%fr22,%%fr22L\n"
- " fldd 0(%%sr0,%%sp),%%fr22"
- : : "f" (d), "f" (e) : "%fr22" );
- }
-
- /* Success. */
- return 0;
-}
-libm_hidden_def (feraiseexcept)