diff options
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/gcc/function.c b/gcc/function.c index 0545b05a5cd..4c8d6c409c1 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -2513,8 +2513,12 @@ assign_parm_setup_block_p (struct assign_parm_data_one *data) return true; #ifdef BLOCK_REG_PADDING - if (data->locate.where_pad == (BYTES_BIG_ENDIAN ? upward : downward) - && GET_MODE_SIZE (data->promoted_mode) < UNITS_PER_WORD) + /* Only assign_parm_setup_block knows how to deal with register arguments + that are padded at the least significant end. */ + if (REG_P (data->entry_parm) + && GET_MODE_SIZE (data->promoted_mode) < UNITS_PER_WORD + && (BLOCK_REG_PADDING (data->passed_mode, data->passed_type, 1) + == (BYTES_BIG_ENDIAN ? upward : downward))) return true; #endif |