diff options
Diffstat (limited to 'gcc/fortran/simplify.c')
| -rw-r--r-- | gcc/fortran/simplify.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/gcc/fortran/simplify.c b/gcc/fortran/simplify.c index 2231390..fdaf3cb 100644 --- a/gcc/fortran/simplify.c +++ b/gcc/fortran/simplify.c @@ -4963,6 +4963,8 @@ static gfc_expr * simplify_min_max (gfc_expr *expr, int sign) { gfc_actual_arglist *arg, *last, *extremum; + gfc_expr *tmp, *ret; + const char *fname; last = NULL; extremum = NULL; @@ -4995,7 +4997,27 @@ simplify_min_max (gfc_expr *expr, int sign) if (expr->value.function.actual->next != NULL) return NULL; - return gfc_copy_expr (expr->value.function.actual->expr); + /* Handle special cases of specific functions (min|max)1 and + a(min|max)0. */ + + tmp = expr->value.function.actual->expr; + fname = expr->value.function.isym->name; + + if ((tmp->ts.type != BT_INTEGER || tmp->ts.kind != gfc_integer_4_kind) + && (strcmp (fname, "min1") == 0 || strcmp (fname, "max1") == 0)) + { + ret = gfc_convert_constant (tmp, BT_INTEGER, gfc_integer_4_kind); + } + else if ((tmp->ts.type != BT_REAL || tmp->ts.kind != gfc_real_4_kind) + && (strcmp (fname, "amin0") == 0 || strcmp (fname, "amax0") == 0)) + { + ret = gfc_convert_constant (tmp, BT_REAL, gfc_real_4_kind); + } + else + ret = gfc_copy_expr (tmp); + + return ret; + } |