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| author | Jim Wilson <wilson@gcc.gnu.org> | 1994-12-19 12:48:30 -0800 |
|---|---|---|
| committer | Jim Wilson <wilson@gcc.gnu.org> | 1994-12-19 12:48:30 -0800 |
| commit | c211b99198b0a7d1664eaa4439eaf021cf5a28a3 (patch) | |
| tree | 59afd8b3e0fdbf5d4ed37d21beacf6d6a5a11826 /gcc | |
| parent | 667a4593fc3d98b4d4ca7759ba2f291a8c974d03 (diff) | |
| download | gcc-c211b99198b0a7d1664eaa4439eaf021cf5a28a3.zip gcc-c211b99198b0a7d1664eaa4439eaf021cf5a28a3.tar.gz gcc-c211b99198b0a7d1664eaa4439eaf021cf5a28a3.tar.bz2 | |
(fpadd_parts): Adding infinities with opposite signs yields a NaN.
From-SVN: r8667
Diffstat (limited to 'gcc')
| -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 373c251..9f2d279 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)) |