diff options
Diffstat (limited to 'lib/hipe/regalloc/hipe_arm_specific.erl')
| -rw-r--r-- | lib/hipe/regalloc/hipe_arm_specific.erl | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/lib/hipe/regalloc/hipe_arm_specific.erl b/lib/hipe/regalloc/hipe_arm_specific.erl index cef22e5af9..7ebc6aa336 100644 --- a/lib/hipe/regalloc/hipe_arm_specific.erl +++ b/lib/hipe/regalloc/hipe_arm_specific.erl @@ -24,6 +24,7 @@ ,reg_nr/2 ,def_use/2 ,is_move/2 + ,is_spill_move/2 ,is_precoloured/2 ,var_range/2 ,allocatable/1 @@ -46,12 +47,19 @@ %% callbacks for hipe_regalloc_loop -export([check_and_rewrite/3]). -%% callbacks for hipe_regalloc_prepass --export([new_reg_nr/1, +%% callbacks for hipe_regalloc_prepass, hipe_range_split +-export([mk_move/3, + mk_goto/2, + redirect_jmp/4, + new_label/1, + new_reg_nr/1, update_reg_nr/3, update_bb/4, subst_temps/3]). +%% callbacks for hipe_bb_weights, hipe_range_split +-export([branch_preds/2]). + check_and_rewrite(CFG, Coloring, no_context) -> hipe_arm_ra_postconditions:check_and_rewrite(CFG, Coloring, 'normal'). @@ -115,6 +123,9 @@ bb(CFG,L,_) -> update_bb(CFG,L,BB,_) -> hipe_arm_cfg:bb_add(CFG,L,BB). +branch_preds(Branch,_) -> + hipe_arm_cfg:branch_preds(Branch). + %% ARM stuff def_use(Instruction, Ctx) -> @@ -144,9 +155,33 @@ is_move(Instruction, _) -> false -> false end. +is_spill_move(Instruction, _) -> + hipe_arm:is_pseudo_spill_move(Instruction). + reg_nr(Reg, _) -> hipe_arm:temp_reg(Reg). +mk_move(Src, Dst, _) -> + hipe_arm:mk_pseudo_move(Dst, Src). + +mk_goto(Label, _) -> + hipe_arm:mk_b_label(Label). + +redirect_jmp(Jmp, ToOld, ToNew, _) when is_integer(ToOld), is_integer(ToNew) -> + Ref = make_ref(), + put(Ref, false), + I = hipe_arm_subst:insn_lbls( + fun(Tgt) -> + if Tgt =:= ToOld -> put(Ref, true), ToNew; + is_integer(Tgt) -> Tgt + end + end, Jmp), + true = erase(Ref), % Assert that something was rewritten + I. + +new_label(_) -> + hipe_gensym:get_next_label(arm). + new_reg_nr(_) -> hipe_gensym:get_next_var(arm). |