diff options
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/gcc/function.c b/gcc/function.c index d1256f0..d1d2edb 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -2882,7 +2882,7 @@ assign_parm_setup_block_p (struct assign_parm_data_one *data) /* 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 + && known_lt (GET_MODE_SIZE (data->promoted_mode), UNITS_PER_WORD) && (BLOCK_REG_PADDING (data->passed_mode, data->passed_type, 1) == (BYTES_BIG_ENDIAN ? PAD_UPWARD : PAD_DOWNWARD))) return true; @@ -2945,7 +2945,7 @@ assign_parm_setup_block (struct assign_parm_data_all *all, SET_DECL_ALIGN (parm, MAX (DECL_ALIGN (parm), BITS_PER_WORD)); stack_parm = assign_stack_local (BLKmode, size_stored, DECL_ALIGN (parm)); - if (GET_MODE_SIZE (GET_MODE (entry_parm)) == size) + if (known_eq (GET_MODE_SIZE (GET_MODE (entry_parm)), size)) PUT_MODE (stack_parm, GET_MODE (entry_parm)); set_mem_attributes (stack_parm, parm, 1); } @@ -4346,8 +4346,10 @@ static void pad_below (struct args_size *offset_ptr, machine_mode passed_mode, tree sizetree) { unsigned int align = PARM_BOUNDARY / BITS_PER_UNIT; - if (passed_mode != BLKmode) - offset_ptr->constant += -GET_MODE_SIZE (passed_mode) & (align - 1); + int misalign; + if (passed_mode != BLKmode + && known_misalignment (GET_MODE_SIZE (passed_mode), align, &misalign)) + offset_ptr->constant += -misalign & (align - 1); else { if (TREE_CODE (sizetree) != INTEGER_CST |