diff options
Diffstat (limited to 'lib/hipe/regalloc/hipe_amd64_specific_sse2.erl')
| -rw-r--r-- | lib/hipe/regalloc/hipe_amd64_specific_sse2.erl | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/lib/hipe/regalloc/hipe_amd64_specific_sse2.erl b/lib/hipe/regalloc/hipe_amd64_specific_sse2.erl index 9682d37520..d592ba391c 100644 --- a/lib/hipe/regalloc/hipe_amd64_specific_sse2.erl +++ b/lib/hipe/regalloc/hipe_amd64_specific_sse2.erl @@ -30,6 +30,7 @@ def_use/2, is_arg/2, %% used by hipe_ls_regalloc is_move/2, + is_spill_move/2, is_fixed/2, %% used by hipe_graph_coloring_regalloc is_global/2, is_precoloured/2, @@ -50,12 +51,19 @@ -export([check_and_rewrite/3, check_and_rewrite/4]). -%% 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 +-export([branch_preds/2]). + %%---------------------------------------------------------------------------- -include("../flow/cfg.hrl"). @@ -152,6 +160,9 @@ bb(CFG, L, _) -> update_bb(CFG,L,BB,_) -> hipe_x86_cfg:bb_add(CFG,L,BB). +branch_preds(Instr,_) -> + hipe_x86_cfg:branch_preds(Instr). + %% AMD64 stuff def_use(Instruction, _) -> @@ -184,10 +195,34 @@ is_move(Instruction, _) -> andalso hipe_x86:is_temp(Dst) andalso hipe_x86:temp_is_allocatable(Dst); false -> false end. + +is_spill_move(Instruction,_) -> + hipe_x86:is_pseudo_spill_fmove(Instruction). reg_nr(Reg, _) -> hipe_x86:temp_reg(Reg). +mk_move(Src, Dst, _) -> + hipe_x86:mk_fmove(Src, Dst). + +mk_goto(Label, _) -> + hipe_x86:mk_jmp_label(Label). + +redirect_jmp(Jmp, ToOld, ToNew, _) when is_integer(ToOld), is_integer(ToNew) -> + Ref = make_ref(), + put(Ref, false), + I = hipe_x86_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(x86). + new_reg_nr(_) -> hipe_gensym:get_next_var(x86). |