diff options
Diffstat (limited to 'gcc/fortran/simplify.c')
| -rw-r--r-- | gcc/fortran/simplify.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/gcc/fortran/simplify.c b/gcc/fortran/simplify.c index 22953059f3d7..d12ae5f4aaba 100644 --- a/gcc/fortran/simplify.c +++ b/gcc/fortran/simplify.c @@ -4202,9 +4202,23 @@ gfc_simplify_matmul (gfc_expr *matrix_a, gfc_expr *matrix_b) || !is_constant_array_expr (matrix_b)) return NULL; - result = gfc_get_array_expr (matrix_a->ts.type, - matrix_a->ts.kind, - &matrix_a->where); + /* MATMUL should do mixed-mode arithmetic. Set the result type. */ + if (matrix_a->ts.type != matrix_b->ts.type) + { + gfc_expr e; + e.expr_type = EXPR_OP; + gfc_clear_ts (&e.ts); + e.value.op.op = INTRINSIC_NONE; + e.value.op.op1 = matrix_a; + e.value.op.op2 = matrix_b; + gfc_type_convert_binary (&e, 1); + result = gfc_get_array_expr (e.ts.type, e.ts.kind, &matrix_a->where); + } + else + { + result = gfc_get_array_expr (matrix_a->ts.type, matrix_a->ts.kind, + &matrix_a->where); + } if (matrix_a->rank == 1 && matrix_b->rank == 2) { |