diff options
Diffstat (limited to 'gcc/config/m32r/m32r.c')
| -rw-r--r-- | gcc/config/m32r/m32r.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/config/m32r/m32r.c b/gcc/config/m32r/m32r.c index 372ede5..fdd89bc 100644 --- a/gcc/config/m32r/m32r.c +++ b/gcc/config/m32r/m32r.c @@ -87,6 +87,7 @@ static bool m32r_pass_by_reference (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool); static int m32r_arg_partial_bytes (CUMULATIVE_ARGS *, enum machine_mode, tree, bool); +static bool m32r_can_eliminate (const int, const int); /* M32R specific attributes. */ @@ -151,6 +152,9 @@ static const struct attribute_spec m32r_attribute_table[] = #undef TARGET_ARG_PARTIAL_BYTES #define TARGET_ARG_PARTIAL_BYTES m32r_arg_partial_bytes +#undef TARGET_CAN_ELIMINATE +#define TARGET_CAN_ELIMINATE m32r_can_eliminate + struct gcc_target targetm = TARGET_INITIALIZER; /* Implement TARGET_HANDLE_OPTION. */ @@ -1472,6 +1476,17 @@ m32r_compute_frame_size (int size) /* # of var. bytes allocated. */ /* Ok, we're done. */ return total_size; } + +/* Worker function for TARGET_CAN_ELIMINATE. */ + +bool +m32r_can_eliminate (const int from, const int to) +{ + return (from == ARG_POINTER_REGNUM && to == STACK_POINTER_REGNUM + ? ! frame_pointer_needed + : true); +} + /* The table we use to reference PIC data. */ static rtx global_offset_table; |