diff options
Diffstat (limited to 'gcc/config/arc/arc.c')
| -rw-r--r-- | gcc/config/arc/arc.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c index b12c8daf951..2b1c704b318 100644 --- a/gcc/config/arc/arc.c +++ b/gcc/config/arc/arc.c @@ -98,6 +98,7 @@ static rtx arc_function_arg (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool); static void arc_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool); +static unsigned int arc_function_arg_boundary (enum machine_mode, const_tree); static void arc_trampoline_init (rtx, tree, rtx); static void arc_option_override (void); @@ -156,6 +157,8 @@ static const struct attribute_spec arc_attribute_table[] = #define TARGET_FUNCTION_ARG arc_function_arg #undef TARGET_FUNCTION_ARG_ADVANCE #define TARGET_FUNCTION_ARG_ADVANCE arc_function_arg_advance +#undef TARGET_FUNCTION_ARG_BOUNDARY +#define TARGET_FUNCTION_ARG_BOUNDARY arc_function_arg_boundary #undef TARGET_CALLEE_COPIES #define TARGET_CALLEE_COPIES hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true @@ -2423,6 +2426,22 @@ arc_function_arg_advance (CUMULATIVE_ARGS *cum, enum machine_mode mode, + ROUND_ADVANCE_ARG (mode, type)); } +/* If defined, a C expression that gives the alignment boundary, in bits, + of an argument with the specified mode and type. If it is not defined, + PARM_BOUNDARY is used for all arguments. */ +#define FUNCTION_ARG_BOUNDARY(MODE, TYPE) \ +/* Worker function for TARGET_FUNCTION_ARG_BOUNDARY. */ + +static unsigned int +arc_function_arg_boundary (enum machine_mode mode, const_tree type) +{ + return (type != NULL_TREE + ? TYPE_ALIGN (type) + : (GET_MODE_BITSIZE (mode) <= PARM_BOUNDARY + ? PARM_BOUNDARY + : 2 * PARM_BOUNDARY)); +} + /* Trampolines. */ /* ??? This doesn't work yet because GCC will use as the address of a nested function the address of the trampoline. We need to use that address |