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-rw-r--r--gcc/fortran/simplify.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/fortran/simplify.c b/gcc/fortran/simplify.c
index c211714..add391f 100644
--- a/gcc/fortran/simplify.c
+++ b/gcc/fortran/simplify.c
@@ -967,6 +967,7 @@ gfc_simplify_exp (gfc_expr * x)
gfc_expr *
gfc_simplify_exponent (gfc_expr * x)
{
+ int i;
mpfr_t tmp;
gfc_expr *result;
@@ -991,6 +992,12 @@ gfc_simplify_exponent (gfc_expr * x)
gfc_mpfr_to_mpz (result->value.integer, tmp);
+ /* The model number for tiny(x) is b**(emin - 1) where b is the base and emin
+ is the smallest exponent value. So, we need to add 1 if x is tiny(x). */
+ i = gfc_validate_kind (x->ts.type, x->ts.kind, false);
+ if (mpfr_cmp (x->value.real, gfc_real_kinds[i].tiny) == 0)
+ mpz_add_ui (result->value.integer,result->value.integer, 1);
+
mpfr_clear (tmp);
return range_check (result, "EXPONENT");