diff options
Diffstat (limited to 'gcc-4.9/gcc/targhooks.c')
| -rw-r--r-- | gcc-4.9/gcc/targhooks.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/targhooks.c b/gcc-4.9/gcc/targhooks.c index 79491c7c5..8176c54fd 100644 --- a/gcc-4.9/gcc/targhooks.c +++ b/gcc-4.9/gcc/targhooks.c @@ -1438,6 +1438,19 @@ default_debug_unwind_info (void) return UI_NONE; } +/* Determine the correct mode for a Dwarf frame register that represents + register REGNO. */ + +enum machine_mode +default_dwarf_frame_reg_mode (int regno) +{ + enum machine_mode save_mode = reg_raw_mode[regno]; + + if (HARD_REGNO_CALL_PART_CLOBBERED (regno, save_mode)) + save_mode = choose_hard_reg_mode (regno, 1, true); + return save_mode; +} + /* To be used by targets where reg_raw_mode doesn't return the right mode for registers used in apply_builtin_return and apply_builtin_arg. */ |