diff options
Diffstat (limited to 'gcc/dbxout.c')
| -rw-r--r-- | gcc/dbxout.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/gcc/dbxout.c b/gcc/dbxout.c index 0615e84..49a8583 100644 --- a/gcc/dbxout.c +++ b/gcc/dbxout.c @@ -3393,12 +3393,16 @@ dbxout_parms (tree parms) { ++debug_nesting; emit_pending_bincls_if_required (); + fixed_size_mode rtl_mode, type_mode; for (; parms; parms = DECL_CHAIN (parms)) if (DECL_NAME (parms) && TREE_TYPE (parms) != error_mark_node && DECL_RTL_SET_P (parms) - && DECL_INCOMING_RTL (parms)) + && DECL_INCOMING_RTL (parms) + /* We can't represent variable-sized types in this format. */ + && is_a <fixed_size_mode> (TYPE_MODE (TREE_TYPE (parms)), &type_mode) + && is_a <fixed_size_mode> (GET_MODE (DECL_RTL (parms)), &rtl_mode)) { tree eff_type; char letter; @@ -3555,10 +3559,9 @@ dbxout_parms (tree parms) /* Make a big endian correction if the mode of the type of the parameter is not the same as the mode of the rtl. */ if (BYTES_BIG_ENDIAN - && TYPE_MODE (TREE_TYPE (parms)) != GET_MODE (DECL_RTL (parms)) - && GET_MODE_SIZE (TYPE_MODE (TREE_TYPE (parms))) < UNITS_PER_WORD) - number += (GET_MODE_SIZE (GET_MODE (DECL_RTL (parms))) - - GET_MODE_SIZE (TYPE_MODE (TREE_TYPE (parms)))); + && type_mode != rtl_mode + && GET_MODE_SIZE (type_mode) < UNITS_PER_WORD) + number += GET_MODE_SIZE (rtl_mode) - GET_MODE_SIZE (type_mode); } else /* ??? We don't know how to represent this argument. */ |