diff options
Diffstat (limited to 'gcc/config/mep/mep.c')
| -rw-r--r-- | gcc/config/mep/mep.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/config/mep/mep.c b/gcc/config/mep/mep.c index cf2e7d53fc0..b255339bfc3 100644 --- a/gcc/config/mep/mep.c +++ b/gcc/config/mep/mep.c @@ -227,6 +227,7 @@ static rtx mep_expand_builtin_saveregs (void); static tree mep_build_builtin_va_list (void); static void mep_expand_va_start (tree, rtx); static tree mep_gimplify_va_arg_expr (tree, tree, tree *, tree *); +static bool mep_can_eliminate (const int, const int); /* Initialize the GCC target structure. */ @@ -298,6 +299,8 @@ static tree mep_gimplify_va_arg_expr (tree, tree, tree *, tree *); #define TARGET_EXPAND_BUILTIN_VA_START mep_expand_va_start #undef TARGET_GIMPLIFY_VA_ARG_EXPR #define TARGET_GIMPLIFY_VA_ARG_EXPR mep_gimplify_va_arg_expr +#undef TARGET_CAN_ELIMINATE +#define TARGET_CAN_ELIMINATE mep_can_eliminate struct gcc_target targetm = TARGET_INITIALIZER; @@ -2609,6 +2612,16 @@ mep_reg_size (int regno) return 4; } +/* Worker function for TARGET_CAN_ELIMINATE. */ + +bool +mep_can_eliminate (const int from, const int to) +{ + return (from == ARG_POINTER_REGNUM && to == STACK_POINTER_REGNUM + ? ! frame_pointer_needed + : true); +} + int mep_elimination_offset (int from, int to) { |