diff options
Diffstat (limited to 'gcc/config/pa/pa.c')
| -rw-r--r-- | gcc/config/pa/pa.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/config/pa/pa.c b/gcc/config/pa/pa.c index 076d2dec755..988d80fcd1f 100644 --- a/gcc/config/pa/pa.c +++ b/gcc/config/pa/pa.c @@ -164,6 +164,7 @@ static void pa_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool); static rtx pa_function_arg (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool); +static unsigned int pa_function_arg_boundary (enum machine_mode, const_tree); static struct machine_function * pa_init_machine_status (void); static reg_class_t pa_secondary_reload (bool, rtx, reg_class_t, enum machine_mode, @@ -351,6 +352,8 @@ static const struct default_options pa_option_optimization_table[] = #define TARGET_FUNCTION_ARG pa_function_arg #undef TARGET_FUNCTION_ARG_ADVANCE #define TARGET_FUNCTION_ARG_ADVANCE pa_function_arg_advance +#undef TARGET_FUNCTION_ARG_BOUNDARY +#define TARGET_FUNCTION_ARG_BOUNDARY pa_function_arg_boundary #undef TARGET_EXPAND_BUILTIN_SAVEREGS #define TARGET_EXPAND_BUILTIN_SAVEREGS hppa_builtin_saveregs @@ -9600,6 +9603,20 @@ pa_function_arg (CUMULATIVE_ARGS *cum, enum machine_mode mode, return retval; } +/* Arguments larger than one word are double word aligned. */ + +static unsigned int +pa_function_arg_boundary (enum machine_mode mode, const_tree type) +{ + tree size = TYPE_SIZE (type); + bool singleword = (type + ? (integer_zerop (size) + || !TREE_CONSTANT (size) + || int_size_in_bytes (type) <= UNITS_PER_WORD) + : GET_MODE_SIZE (mode)); + + return singleword ? PARM_BOUNDARY : MAX_PARM_BOUNDARY; +} /* If this arg would be passed totally in registers or totally on the stack, then this routine should return zero. */ |