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| author | wilson <wilson@138bc75d-0d04-0410-961f-82ee72b054a4> | 1994-12-19 20:48:30 +0000 |
|---|---|---|
| committer | wilson <wilson@138bc75d-0d04-0410-961f-82ee72b054a4> | 1994-12-19 20:48:30 +0000 |
| commit | 970f64e4a9e92bcb5de566f9d845b37b770641a0 (patch) | |
| tree | 59afd8b3e0fdbf5d4ed37d21beacf6d6a5a11826 /gcc/config/fp-bit.c | |
| parent | 52baa9389307c6b12d7fc6c72b4e93fe5ec8f642 (diff) | |
| download | gcc-970f64e4a9e92bcb5de566f9d845b37b770641a0.tar.gz | |
(fpadd_parts): Adding infinities with opposite signs yields a NaN.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@8667 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/fp-bit.c')
| -rw-r--r-- | gcc/config/fp-bit.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/config/fp-bit.c b/gcc/config/fp-bit.c index 373c2516d77..9f2d27979cf 100644 --- a/gcc/config/fp-bit.c +++ b/gcc/config/fp-bit.c @@ -485,6 +485,9 @@ _fpadd_parts (fp_number_type * a, } if (isinf (a)) { + /* Adding infinities with opposite signs yields a NaN. */ + if (isinf (b) && a->sign != b->sign) + return nan (); return a; } if (isinf (b)) |