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| author | Ian Lance Taylor <ian@gcc.gnu.org> | 2012-04-23 20:49:33 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2012-04-23 20:49:33 +0000 |
| commit | 073d123ccf7036f9b103cc73f1a9b1bc3dd90d3b (patch) | |
| tree | 213d40270439ed5c8a2ea5403144f48de13eea76 /gcc/go/gofrontend/expressions.cc | |
| parent | 24fc7360e5be54d73e677e6fe59339f58035e67a (diff) | |
| download | gcc-073d123ccf7036f9b103cc73f1a9b1bc3dd90d3b.zip gcc-073d123ccf7036f9b103cc73f1a9b1bc3dd90d3b.tar.gz gcc-073d123ccf7036f9b103cc73f1a9b1bc3dd90d3b.tar.bz2 | |
compiler: Correct handling of negative zero floating constant.
From-SVN: r186722
Diffstat (limited to 'gcc/go/gofrontend/expressions.cc')
| -rw-r--r-- | gcc/go/gofrontend/expressions.cc | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/go/gofrontend/expressions.cc b/gcc/go/gofrontend/expressions.cc index cb94e4f..945f379 100644 --- a/gcc/go/gofrontend/expressions.cc +++ b/gcc/go/gofrontend/expressions.cc @@ -13620,7 +13620,13 @@ Numeric_constant::set_float(Type* type, const mpfr_t val) this->clear(); this->classification_ = NC_FLOAT; this->type_ = type; - mpfr_init_set(this->u_.float_val, val, GMP_RNDN); + // Numeric constants do not have negative zero values, so remove + // them here. They also don't have infinity or NaN values, but we + // should never see them here. + if (mpfr_zero_p(val)) + mpfr_init_set_ui(this->u_.float_val, 0, GMP_RNDN); + else + mpfr_init_set(this->u_.float_val, val, GMP_RNDN); } // Set to a complex value. |