diff options
Diffstat (limited to 'gcc/config/rs6000/rs6000.c')
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 0722ed7..ea81e8b 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -744,6 +744,7 @@ static tree get_prev_label (tree function_name); static tree rs6000_build_builtin_va_list (void); static tree rs6000_gimplify_va_arg (tree, tree, tree *, tree *); +static bool rs6000_must_pass_in_stack (enum machine_mode, tree); /* Hash table stuff for keeping track of TOC entries. */ @@ -948,6 +949,8 @@ static const char alt_reg_names[][8] = #define TARGET_PRETEND_OUTGOING_VARARGS_NAMED hook_bool_CUMULATIVE_ARGS_true #undef TARGET_SPLIT_COMPLEX_ARG #define TARGET_SPLIT_COMPLEX_ARG hook_bool_tree_true +#undef TARGET_MUST_PASS_IN_STACK +#define TARGET_MUST_PASS_IN_STACK rs6000_must_pass_in_stack #undef TARGET_BUILD_BUILTIN_VA_LIST #define TARGET_BUILD_BUILTIN_VA_LIST rs6000_build_builtin_va_list @@ -4525,6 +4528,17 @@ init_cumulative_args (CUMULATIVE_ARGS *cum, tree fntype, } } +/* Return true if TYPE must be passed on the stack and not in registers. */ + +static bool +rs6000_must_pass_in_stack (enum machine_mode mode, tree type) +{ + if (DEFAULT_ABI == ABI_AIX || TARGET_64BIT) + return must_pass_in_stack_var_size (mode, type); + else + return must_pass_in_stack_var_size_or_pad (mode, type); +} + /* If defined, a C expression which determines whether, and in which direction, to pad out an argument with extra space. The value should be of type `enum direction': either `upward' to pad above @@ -5261,7 +5275,7 @@ setup_incoming_varargs (CUMULATIVE_ARGS *cum, enum machine_mode mode, save_area = virtual_incoming_args_rtx; cfun->machine->sysv_varargs_p = 0; - if (MUST_PASS_IN_STACK (mode, type)) + if (targetm.calls.must_pass_in_stack (mode, type)) first_reg_offset += rs6000_arg_size (TYPE_MODE (type), type); } |