diff options
Diffstat (limited to 'gcc/config/crx/crx.c')
| -rw-r--r-- | gcc/config/crx/crx.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/config/crx/crx.c b/gcc/config/crx/crx.c index 4aa617f..a0b43a4 100644 --- a/gcc/config/crx/crx.c +++ b/gcc/config/crx/crx.c @@ -129,6 +129,7 @@ static rtx crx_struct_value_rtx (tree fntype ATTRIBUTE_UNUSED, static bool crx_return_in_memory (const_tree type, const_tree fntype ATTRIBUTE_UNUSED); static int crx_address_cost (rtx, bool); static bool crx_legitimate_address_p (enum machine_mode, rtx, bool); +static bool crx_can_eliminate (const int, const int); /*****************************************************************************/ /* RTL VALIDITY */ @@ -137,6 +138,9 @@ static bool crx_legitimate_address_p (enum machine_mode, rtx, bool); #undef TARGET_LEGITIMATE_ADDRESS_P #define TARGET_LEGITIMATE_ADDRESS_P crx_legitimate_address_p +#undef TARGET_CAN_ELIMINATE +#define TARGET_CAN_ELIMINATE crx_can_eliminate + /*****************************************************************************/ /* STACK LAYOUT AND CALLING CONVENTIONS */ /*****************************************************************************/ @@ -320,6 +324,14 @@ crx_compute_frame (void) crtl->outgoing_args_size : 0); } +/* Worker function for TARGET_CAN_ELIMINATE. */ + +bool +crx_can_eliminate (const int from ATTRIBUTE_UNUSED, const int to) +{ + return (to == STACK_POINTER_REGNUM ? ! frame_pointer_needed : true); +} + /* Implements the macro INITIAL_ELIMINATION_OFFSET, return the OFFSET. */ int |