diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/cfgexpand.cc | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr104786.c | 8 |
2 files changed, 11 insertions, 1 deletions
diff --git a/gcc/cfgexpand.cc b/gcc/cfgexpand.cc index 87536ec..4f99f04 100644 --- a/gcc/cfgexpand.cc +++ b/gcc/cfgexpand.cc @@ -3297,7 +3297,9 @@ expand_asm_stmt (gasm *stmt) && GET_MODE (DECL_RTL (val)) != TYPE_MODE (type))) || ! allows_reg || is_inout - || TREE_ADDRESSABLE (type)) + || TREE_ADDRESSABLE (type) + || (!tree_fits_poly_int64_p (TYPE_SIZE (type)) + && !known_size_p (max_int_size_in_bytes (type)))) { op = expand_expr (val, NULL_RTX, VOIDmode, !allows_reg ? EXPAND_MEMORY : EXPAND_WRITE); diff --git a/gcc/testsuite/gcc.dg/pr104786.c b/gcc/testsuite/gcc.dg/pr104786.c new file mode 100644 index 0000000..3076d23 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr104786.c @@ -0,0 +1,8 @@ +/* { dg-do compile } */ +/* { dg-options "-std=gnu90" } */ + +void h(void *di, int num) +{ + char (*t)[num] = di; + __asm__ ("" : "=X"( *t)); +} |