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| author | Ulrich Drepper <drepper@redhat.com> | 1998-02-26 16:29:41 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 1998-02-26 16:29:41 +0000 |
| commit | f635bc2865c9d5b90896bb8345d14cc8426a25c2 (patch) | |
| tree | 8bfe047e2ffd087b8168261a3a13c694f64b91a6 /sysdeps/alpha | |
| parent | d424955575ad2bd2a70c2b85fbee6c4103b802d1 (diff) | |
| download | glibc-f635bc2865c9d5b90896bb8345d14cc8426a25c2.tar glibc-f635bc2865c9d5b90896bb8345d14cc8426a25c2.tar.gz glibc-f635bc2865c9d5b90896bb8345d14cc8426a25c2.tar.bz2 glibc-f635bc2865c9d5b90896bb8345d14cc8426a25c2.zip | |
(feraiseexcept): Use a dummy for FE_DIVBYZERO. Kludge for
FE_UNDERFLOW.
Diffstat (limited to 'sysdeps/alpha')
| -rw-r--r-- | sysdeps/alpha/fpu/fraiseexcpt.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/sysdeps/alpha/fpu/fraiseexcpt.c b/sysdeps/alpha/fpu/fraiseexcpt.c index 6a53e55e7d..c2a96e3f87 100644 --- a/sysdeps/alpha/fpu/fraiseexcpt.c +++ b/sysdeps/alpha/fpu/fraiseexcpt.c @@ -1,5 +1,5 @@ /* Raise given exceptions. - Copyright (C) 1997 Free Software Foundation, Inc. + Copyright (C) 1997, 1998 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson <rth@tamu.edu>, 1997. @@ -24,7 +24,7 @@ void feraiseexcept (int excepts) { - double tmp; + double tmp, dummy; /* Raise exceptions represented by EXPECTS. But we must raise only one signal at a time. It is important the if the overflow/underflow @@ -45,8 +45,8 @@ feraiseexcept (int excepts) /* Next: division by zero. */ if (FE_DIVBYZERO & excepts) { - __asm__ __volatile__("cmpteq $f31,$f31,%0; divt/sui %0,$f31,%0; trapb" - : "=f"(tmp)); + __asm__ __volatile__("cmpteq $f31,$f31,%1; divt/sui %1,$f31,%0; trapb" + : "=f"(tmp), "=f"(dummy)); } /* Next: overflow. */ @@ -60,7 +60,8 @@ feraiseexcept (int excepts) if (FE_UNDERFLOW & excepts) { __asm__ __volatile__("divt/sui %1,%2,%0; trapb" - : "=f"(tmp) : "f"(DBL_MIN), "f"(16.0)); + : "=f"(tmp) : "f"(DBL_MIN), + "f"((double) (1UL << 60))); } /* Last: inexact. */ |