diff options
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/gcc/function.c b/gcc/function.c index 2294b97..b1d467c 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -2770,13 +2770,11 @@ assign_parm_setup_reg (struct assign_parm_data_all *all, tree parm, bool did_conversion = false; /* Store the parm in a pseudoregister during the function, but we may - need to do it in a wider mode. */ - - /* This is not really promoting for a call. However we need to be - consistent with assign_parm_find_data_types and expand_expr_real_1. */ + need to do it in a wider mode. Using 2 here makes the result + consistent with promote_decl_mode and thus expand_expr_real_1. */ promoted_nominal_mode = promote_function_mode (data->nominal_type, data->nominal_mode, &unsignedp, - TREE_TYPE (current_function_decl), 0); + TREE_TYPE (current_function_decl), 2); parmreg = gen_reg_rtx (promoted_nominal_mode); @@ -2796,7 +2794,8 @@ assign_parm_setup_reg (struct assign_parm_data_all *all, tree parm, assign_parm_remove_parallels (data); - /* Copy the value into the register. */ + /* Copy the value into the register, thus bridging between + assign_parm_find_data_types and expand_expr_real_1. */ if (data->nominal_mode != data->passed_mode || promoted_nominal_mode != data->promoted_mode) { |