diff options
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/gcc/function.c b/gcc/function.c index 8320790..0320871 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -2336,7 +2336,17 @@ assign_parm_find_stack_rtl (tree parm, struct assign_parm_data_one *data) while promoted mode's size is needed. */ if (data->promoted_mode != BLKmode && data->promoted_mode != DECL_MODE (parm)) - set_mem_size (stack_parm, GEN_INT (GET_MODE_SIZE (data->promoted_mode))); + { + set_mem_size (stack_parm, GEN_INT (GET_MODE_SIZE (data->promoted_mode))); + if (MEM_EXPR (stack_parm) && MEM_OFFSET (stack_parm)) + { + int offset = subreg_lowpart_offset (DECL_MODE (parm), + data->promoted_mode); + if (offset) + set_mem_offset (stack_parm, + plus_constant (MEM_OFFSET (stack_parm), -offset)); + } + } boundary = data->locate.boundary; align = BITS_PER_UNIT; |