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-rw-r--r--lib/hipe/ppc/hipe_ppc.erl14
-rw-r--r--lib/hipe/ppc/hipe_ppc.hrl2
-rw-r--r--lib/hipe/ppc/hipe_ppc_assemble.erl2
-rw-r--r--lib/hipe/ppc/hipe_ppc_cfg.erl37
-rw-r--r--lib/hipe/ppc/hipe_ppc_defuse.erl4
-rw-r--r--lib/hipe/ppc/hipe_ppc_frame.erl36
-rw-r--r--lib/hipe/ppc/hipe_ppc_ra_finalise.erl15
-rw-r--r--lib/hipe/ppc/hipe_ppc_ra_postconditions.erl24
-rw-r--r--lib/hipe/ppc/hipe_ppc_ra_postconditions_fp.erl18
-rw-r--r--lib/hipe/ppc/hipe_ppc_subst.erl6
10 files changed, 137 insertions, 21 deletions
diff --git a/lib/hipe/ppc/hipe_ppc.erl b/lib/hipe/ppc/hipe_ppc.erl
index df9f193fa3..63ecd0a0b8 100644
--- a/lib/hipe/ppc/hipe_ppc.erl
+++ b/lib/hipe/ppc/hipe_ppc.erl
@@ -98,6 +98,9 @@
pseudo_move_dst/1,
pseudo_move_src/1,
+ mk_pseudo_spill_move/3,
+ is_pseudo_spill_move/1,
+
mk_pseudo_tailcall/4,
pseudo_tailcall_func/1,
pseudo_tailcall_stkargs/1,
@@ -131,6 +134,9 @@
pseudo_fmove_dst/1,
pseudo_fmove_src/1,
+ mk_pseudo_spill_fmove/3,
+ is_pseudo_spill_fmove/1,
+
mk_defun/8,
defun_mfa/1,
defun_formals/1,
@@ -412,6 +418,10 @@ is_pseudo_move(I) -> case I of #pseudo_move{} -> true; _ -> false end.
pseudo_move_dst(#pseudo_move{dst=Dst}) -> Dst.
pseudo_move_src(#pseudo_move{src=Src}) -> Src.
+mk_pseudo_spill_move(Dst, Temp, Src) ->
+ #pseudo_spill_move{dst=Dst, temp=Temp, src=Src}.
+is_pseudo_spill_move(I) -> is_record(I, pseudo_spill_move).
+
mk_pseudo_tailcall(FunC, Arity, StkArgs, Linkage) ->
#pseudo_tailcall{func=FunC, arity=Arity, stkargs=StkArgs, linkage=Linkage}.
pseudo_tailcall_func(#pseudo_tailcall{func=FunC}) -> FunC.
@@ -495,6 +505,10 @@ is_pseudo_fmove(I) -> case I of #pseudo_fmove{} -> true; _ -> false end.
pseudo_fmove_dst(#pseudo_fmove{dst=Dst}) -> Dst.
pseudo_fmove_src(#pseudo_fmove{src=Src}) -> Src.
+mk_pseudo_spill_fmove(Dst, Temp, Src) ->
+ #pseudo_spill_fmove{dst=Dst, temp=Temp, src=Src}.
+is_pseudo_spill_fmove(I) -> is_record(I, pseudo_spill_fmove).
+
mk_defun(MFA, Formals, IsClosure, IsLeaf, Code, Data, VarRange, LabelRange) ->
#defun{mfa=MFA, formals=Formals, code=Code, data=Data,
isclosure=IsClosure, isleaf=IsLeaf,
diff --git a/lib/hipe/ppc/hipe_ppc.hrl b/lib/hipe/ppc/hipe_ppc.hrl
index a96692c52e..3eef8be487 100644
--- a/lib/hipe/ppc/hipe_ppc.hrl
+++ b/lib/hipe/ppc/hipe_ppc.hrl
@@ -87,6 +87,7 @@
-record(pseudo_call_prepare, {nrstkargs}).
-record(pseudo_li, {dst, imm}).
-record(pseudo_move, {dst, src}).
+-record(pseudo_spill_move, {dst, temp, src}).
-record(pseudo_tailcall, {func, arity, stkargs, linkage}).
-record(pseudo_tailcall_prepare, {}).
-record(store, {stop, src, disp, base}). % non-indexed, non-update form
@@ -99,6 +100,7 @@
-record(fp_binary, {fp_binop, dst, src1, src2}).
-record(fp_unary, {fp_unop, dst, src}).
-record(pseudo_fmove, {dst, src}).
+-record(pseudo_spill_fmove, {dst, temp, src}).
%%% Function definitions.
diff --git a/lib/hipe/ppc/hipe_ppc_assemble.erl b/lib/hipe/ppc/hipe_ppc_assemble.erl
index 66817837df..b0f57e5582 100644
--- a/lib/hipe/ppc/hipe_ppc_assemble.erl
+++ b/lib/hipe/ppc/hipe_ppc_assemble.erl
@@ -32,7 +32,7 @@ assemble(CompiledCode, Closures, Exports, Options) ->
|| {MFA, Defun} <- CompiledCode],
%%
{ConstAlign,ConstSize,ConstMap,RefsFromConsts} =
- hipe_pack_constants:pack_constants(Code, hipe_rtl_arch:word_size()),
+ hipe_pack_constants:pack_constants(Code),
%%
{CodeSize,CodeBinary,AccRefs,LabelMap,ExportMap} =
encode(translate(Code, ConstMap), Options),
diff --git a/lib/hipe/ppc/hipe_ppc_cfg.erl b/lib/hipe/ppc/hipe_ppc_cfg.erl
index f17c0ac503..d44d38f38d 100644
--- a/lib/hipe/ppc/hipe_ppc_cfg.erl
+++ b/lib/hipe/ppc/hipe_ppc_cfg.erl
@@ -21,8 +21,8 @@
bb/2, bb_add/3]).
-export([postorder/1]).
-export([linearise/1, params/1, reverse_postorder/1]).
--export([arity/1]).
-%%%-export([redirect_jmp/3, arity/1]).
+-export([redirect_jmp/3, arity/1]).
+-export([branch_preds/1]).
%%% these tell cfg.inc what to define (ugly as hell)
-define(BREADTH_ORDER,true).
@@ -75,11 +75,30 @@ branch_successors(Branch) ->
#pseudo_tailcall{} -> []
end.
+branch_preds(Branch) ->
+ case Branch of
+ #bctr{labels=Labels} ->
+ Prob = 1.0/length(Labels),
+ [{L, Prob} || L <- Labels];
+ #pseudo_bc{true_label=TrueLab,false_label=FalseLab,pred=Pred} ->
+ [{FalseLab, 1.0-Pred}, {TrueLab, Pred}];
+ #pseudo_call{contlab=ContLab, sdesc=#ppc_sdesc{exnlab=[]}} ->
+ %% A function can still cause an exception, even if we won't catch it
+ [{ContLab, 1.0-hipe_bb_weights:call_exn_pred()}];
+ #pseudo_call{contlab=ContLab, sdesc=#ppc_sdesc{exnlab=ExnLab}} ->
+ CallExnPred = hipe_bb_weights:call_exn_pred(),
+ [{ContLab, 1.0-CallExnPred}, {ExnLab, CallExnPred}];
+ _ ->
+ case branch_successors(Branch) of
+ [] -> [];
+ [Single] -> [{Single, 1.0}]
+ end
+ end.
+
-ifdef(REMOVE_TRIVIAL_BBS_NEEDED).
fails_to(_Instr) -> [].
-endif.
--ifdef(notdef).
redirect_jmp(I, Old, New) ->
case I of
#b_label{label=Label} ->
@@ -93,10 +112,16 @@ redirect_jmp(I, Old, New) ->
if Old =:= FalseLab -> I1#pseudo_bc{false_label=New};
true -> I1
end;
- %% handle pseudo_call too?
- _ -> I
+ #pseudo_call{sdesc=SDesc0, contlab=ContLab0} ->
+ SDesc = case SDesc0 of
+ #ppc_sdesc{exnlab=Old} -> SDesc0#ppc_sdesc{exnlab=New};
+ #ppc_sdesc{exnlab=_} -> SDesc0
+ end,
+ ContLab = if Old =:= ContLab0 -> New;
+ true -> ContLab0
+ end,
+ I#pseudo_call{sdesc=SDesc, contlab=ContLab}
end.
--endif.
mk_goto(Label) ->
hipe_ppc:mk_b_label(Label).
diff --git a/lib/hipe/ppc/hipe_ppc_defuse.erl b/lib/hipe/ppc/hipe_ppc_defuse.erl
index 9a99611493..d8a864f7d5 100644
--- a/lib/hipe/ppc/hipe_ppc_defuse.erl
+++ b/lib/hipe/ppc/hipe_ppc_defuse.erl
@@ -41,6 +41,7 @@ insn_def_gpr(I) ->
#pseudo_call{} -> call_clobbered_gpr();
#pseudo_li{dst=Dst} -> [Dst];
#pseudo_move{dst=Dst} -> [Dst];
+ #pseudo_spill_move{dst=Dst,temp=Temp} -> [Dst, Temp];
#pseudo_tailcall_prepare{} -> tailcall_clobbered_gpr();
#unary{dst=Dst} -> [Dst];
_ -> []
@@ -71,6 +72,7 @@ insn_use_gpr(I) ->
#mtspr{src=Src} -> [Src];
#pseudo_call{sdesc=#ppc_sdesc{arity=Arity}} -> arity_use_gpr(Arity);
#pseudo_move{src=Src} -> [Src];
+ #pseudo_spill_move{src=Src} -> [Src];
#pseudo_tailcall{arity=Arity,stkargs=StkArgs} ->
addsrcs(StkArgs, addtemps(tailcall_clobbered_gpr(), arity_use_gpr(Arity)));
#store{src=Src,base=Base} -> addtemp(Src, [Base]);
@@ -110,6 +112,7 @@ insn_def_fpr(I) ->
#fp_binary{dst=Dst} -> [Dst];
#fp_unary{dst=Dst} -> [Dst];
#pseudo_fmove{dst=Dst} -> [Dst];
+ #pseudo_spill_fmove{dst=Dst,temp=Temp} -> [Dst, Temp];
_ -> []
end.
@@ -126,6 +129,7 @@ insn_use_fpr(I) ->
#fp_binary{src1=Src1,src2=Src2} -> addtemp(Src1, [Src2]);
#fp_unary{src=Src} -> [Src];
#pseudo_fmove{src=Src} -> [Src];
+ #pseudo_spill_fmove{src=Src} -> [Src];
_ -> []
end.
diff --git a/lib/hipe/ppc/hipe_ppc_frame.erl b/lib/hipe/ppc/hipe_ppc_frame.erl
index a91cb18cc2..b88b75a5bd 100644
--- a/lib/hipe/ppc/hipe_ppc_frame.erl
+++ b/lib/hipe/ppc/hipe_ppc_frame.erl
@@ -66,10 +66,14 @@ do_insn(I, LiveOut, Context, FPoff) ->
do_pseudo_call_prepare(I, FPoff);
#pseudo_move{} ->
{do_pseudo_move(I, Context, FPoff), FPoff};
+ #pseudo_spill_move{} ->
+ {do_pseudo_spill_move(I, Context, FPoff), FPoff};
#pseudo_tailcall{} ->
{do_pseudo_tailcall(I, Context), context_framesize(Context)};
#pseudo_fmove{} ->
{do_pseudo_fmove(I, Context, FPoff), FPoff};
+ #pseudo_spill_fmove{} ->
+ {do_pseudo_spill_fmove(I, Context, FPoff), FPoff};
_ ->
{[I], FPoff}
end.
@@ -98,6 +102,22 @@ do_pseudo_move(I, Context, FPoff) ->
end
end.
+do_pseudo_spill_move(I, Context, FPoff) ->
+ #pseudo_spill_move{dst=Dst,temp=Temp,src=Src} = I,
+ case temp_is_pseudo(Src) andalso temp_is_pseudo(Dst) of
+ false -> % Register allocator changed its mind, turn back to move
+ do_pseudo_move(hipe_ppc:mk_pseudo_move(Dst, Src), Context, FPoff);
+ true ->
+ SrcOffset = pseudo_offset(Src, FPoff, Context),
+ DstOffset = pseudo_offset(Dst, FPoff, Context),
+ case SrcOffset =:= DstOffset of
+ true -> []; % omit move-to-self
+ false ->
+ mk_load(hipe_ppc:ldop_word(), Temp, SrcOffset, mk_sp(),
+ mk_store(hipe_ppc:stop_word(), Temp, DstOffset, mk_sp(), []))
+ end
+ end.
+
do_pseudo_fmove(I, Context, FPoff) ->
Dst = hipe_ppc:pseudo_fmove_dst(I),
Src = hipe_ppc:pseudo_fmove_src(I),
@@ -115,6 +135,22 @@ do_pseudo_fmove(I, Context, FPoff) ->
end
end.
+do_pseudo_spill_fmove(I, Context, FPoff) ->
+ #pseudo_spill_fmove{dst=Dst,temp=Temp,src=Src} = I,
+ case temp_is_pseudo(Src) andalso temp_is_pseudo(Dst) of
+ false -> % Register allocator changed its mind, turn back to move
+ do_pseudo_fmove(hipe_ppc:mk_pseudo_fmove(Dst, Src), Context, FPoff);
+ true ->
+ SrcOffset = pseudo_offset(Src, FPoff, Context),
+ DstOffset = pseudo_offset(Dst, FPoff, Context),
+ case SrcOffset =:= DstOffset of
+ true -> []; % omit move-to-self
+ false ->
+ hipe_ppc:mk_fload(Temp, SrcOffset, mk_sp(), 0)
+ ++ hipe_ppc:mk_fstore(Temp, DstOffset, mk_sp(), 0)
+ end
+ end.
+
pseudo_offset(Temp, FPoff, Context) ->
FPoff + context_offset(Context, Temp).
diff --git a/lib/hipe/ppc/hipe_ppc_ra_finalise.erl b/lib/hipe/ppc/hipe_ppc_ra_finalise.erl
index 74ef7475eb..bca504d754 100644
--- a/lib/hipe/ppc/hipe_ppc_ra_finalise.erl
+++ b/lib/hipe/ppc/hipe_ppc_ra_finalise.erl
@@ -41,6 +41,7 @@ ra_insn(I, Map, FPMap) ->
#mtspr{} -> ra_mtspr(I, Map);
#pseudo_li{} -> ra_pseudo_li(I, Map);
#pseudo_move{} -> ra_pseudo_move(I, Map);
+ #pseudo_spill_move{} -> ra_pseudo_spill_move(I, Map);
#pseudo_tailcall{} -> ra_pseudo_tailcall(I, Map);
#store{} -> ra_store(I, Map);
#storex{} -> ra_storex(I, Map);
@@ -52,6 +53,7 @@ ra_insn(I, Map, FPMap) ->
#fp_binary{} -> ra_fp_binary(I, FPMap);
#fp_unary{} -> ra_fp_unary(I, FPMap);
#pseudo_fmove{} -> ra_pseudo_fmove(I, FPMap);
+ #pseudo_spill_fmove{} -> ra_pseudo_spill_fmove(I, FPMap);
_ -> I
end.
@@ -98,6 +100,12 @@ ra_pseudo_move(I=#pseudo_move{dst=Dst,src=Src}, Map) ->
NewSrc = ra_temp(Src, Map),
I#pseudo_move{dst=NewDst,src=NewSrc}.
+ra_pseudo_spill_move(I=#pseudo_spill_move{dst=Dst,temp=Temp,src=Src}, Map) ->
+ NewDst = ra_temp(Dst, Map),
+ NewTemp = ra_temp(Temp, Map),
+ NewSrc = ra_temp(Src, Map),
+ I#pseudo_spill_move{dst=NewDst,temp=NewTemp,src=NewSrc}.
+
ra_pseudo_tailcall(I=#pseudo_tailcall{stkargs=StkArgs}, Map) ->
NewStkArgs = ra_args(StkArgs, Map),
I#pseudo_tailcall{stkargs=NewStkArgs}.
@@ -156,6 +164,13 @@ ra_pseudo_fmove(I=#pseudo_fmove{dst=Dst,src=Src}, FPMap) ->
NewSrc = ra_temp_fp(Src, FPMap),
I#pseudo_fmove{dst=NewDst,src=NewSrc}.
+ra_pseudo_spill_fmove(I=#pseudo_spill_fmove{dst=Dst,temp=Temp,src=Src},
+ FPMap) ->
+ NewDst = ra_temp_fp(Dst, FPMap),
+ NewTemp = ra_temp_fp(Temp, FPMap),
+ NewSrc = ra_temp_fp(Src, FPMap),
+ I#pseudo_spill_fmove{dst=NewDst,temp=NewTemp,src=NewSrc}.
+
ra_args([Arg|Args], Map) ->
[ra_temp_or_imm(Arg, Map) | ra_args(Args, Map)];
ra_args([], _) ->
diff --git a/lib/hipe/ppc/hipe_ppc_ra_postconditions.erl b/lib/hipe/ppc/hipe_ppc_ra_postconditions.erl
index 95aa294fe5..0a97129666 100644
--- a/lib/hipe/ppc/hipe_ppc_ra_postconditions.erl
+++ b/lib/hipe/ppc/hipe_ppc_ra_postconditions.erl
@@ -57,6 +57,7 @@ do_insn(I, TempMap, Strategy) ->
#mtspr{} -> do_mtspr(I, TempMap, Strategy);
#pseudo_li{} -> do_pseudo_li(I, TempMap, Strategy);
#pseudo_move{} -> do_pseudo_move(I, TempMap, Strategy);
+ #pseudo_spill_move{} -> do_pseudo_spill_move(I, TempMap, Strategy);
#store{} -> do_store(I, TempMap, Strategy);
#storex{} -> do_storex(I, TempMap, Strategy);
#unary{} -> do_unary(I, TempMap, Strategy);
@@ -117,18 +118,25 @@ do_pseudo_li(I=#pseudo_li{dst=Dst}, TempMap, Strategy) ->
do_pseudo_move(I=#pseudo_move{dst=Dst,src=Src}, TempMap, Strategy) ->
%% Either Dst or Src (but not both) may be a pseudo temp.
- %% pseudo_move and pseudo_tailcall are special cases: in
- %% all other instructions, all temps must be non-pseudos
- %% after register allocation.
- case temp_is_spilled(Dst, TempMap) of
- true -> % Src must not be a pseudo
- {FixSrc,NewSrc,DidSpill} = fix_src1(Src, TempMap, Strategy),
- NewI = I#pseudo_move{src=NewSrc},
- {FixSrc ++ [NewI], DidSpill};
+ %% pseudo_move, pseudo_spill_move, and pseudo_tailcall are
+ %% special cases: in all other instructions, all temps
+ %% must be non-pseudos after register allocation.
+ case temp_is_spilled(Src, TempMap)
+ andalso temp_is_spilled(Dst, TempMap)
+ of
+ true -> % Turn into pseudo_spill_move
+ Temp = clone(Src, temp1(Strategy)),
+ NewI = #pseudo_spill_move{dst=Dst,temp=Temp,src=Src},
+ {[NewI], true};
_ ->
{[I], false}
end.
+do_pseudo_spill_move(I=#pseudo_spill_move{temp=Temp}, TempMap, _Strategy) ->
+ %% Temp is above the low water mark and must not have been spilled
+ false = temp_is_spilled(Temp, TempMap),
+ {[I], false}.
+
do_store(I=#store{src=Src,base=Base}, TempMap, Strategy) ->
{FixSrc,NewSrc,DidSpill1} = fix_src1(Src, TempMap, Strategy),
{FixBase,NewBase,DidSpill2} = fix_src2(Base, TempMap, Strategy),
diff --git a/lib/hipe/ppc/hipe_ppc_ra_postconditions_fp.erl b/lib/hipe/ppc/hipe_ppc_ra_postconditions_fp.erl
index 5ec5f29577..7342053620 100644
--- a/lib/hipe/ppc/hipe_ppc_ra_postconditions_fp.erl
+++ b/lib/hipe/ppc/hipe_ppc_ra_postconditions_fp.erl
@@ -42,6 +42,7 @@ do_insn(I, TempMap) ->
#fp_binary{} -> do_fp_binary(I, TempMap);
#fp_unary{} -> do_fp_unary(I, TempMap);
#pseudo_fmove{} -> do_pseudo_fmove(I, TempMap);
+ #pseudo_spill_fmove{} -> do_pseudo_spill_fmove(I, TempMap);
_ -> {[I], false}
end.
@@ -81,15 +82,22 @@ do_fp_unary(I=#fp_unary{dst=Dst,src=Src}, TempMap) ->
{FixSrc ++ [NewI | FixDst], DidSpill1 or DidSpill2}.
do_pseudo_fmove(I=#pseudo_fmove{dst=Dst,src=Src}, TempMap) ->
- case temp_is_spilled(Dst, TempMap) of
- true ->
- {FixSrc,NewSrc,DidSpill} = fix_src(Src, TempMap),
- NewI = I#pseudo_fmove{src=NewSrc},
- {FixSrc ++ [NewI], DidSpill};
+ case temp_is_spilled(Src, TempMap)
+ andalso temp_is_spilled(Dst, TempMap)
+ of
+ true -> % Turn into pseudo_spill_fmove
+ Temp = clone(Src),
+ NewI = #pseudo_spill_fmove{dst=Dst,temp=Temp,src=Src},
+ {[NewI], true};
_ ->
{[I], false}
end.
+do_pseudo_spill_fmove(I=#pseudo_spill_fmove{temp=Temp}, TempMap) ->
+ %% Temp is above the low water mark and must not have been spilled
+ false = temp_is_spilled(Temp, TempMap),
+ {[I], false}.
+
%%% Fix Dst and Src operands.
fix_src(Src, TempMap) ->
diff --git a/lib/hipe/ppc/hipe_ppc_subst.erl b/lib/hipe/ppc/hipe_ppc_subst.erl
index 1cd18b5c01..e282b22774 100644
--- a/lib/hipe/ppc/hipe_ppc_subst.erl
+++ b/lib/hipe/ppc/hipe_ppc_subst.erl
@@ -48,6 +48,8 @@ insn_temps(T, I) ->
#pseudo_call_prepare{} -> I;
#pseudo_li{dst=D} -> I#pseudo_li{dst=T(D)};
#pseudo_move{dst=D,src=S} -> I#pseudo_move{dst=T(D),src=T(S)};
+ #pseudo_spill_move{dst=D,temp=U,src=S} ->
+ I#pseudo_spill_move{dst=T(D),temp=T(U),src=T(S)};
#pseudo_tailcall{func=F,stkargs=Stk} when not is_record(F, ppc_temp) ->
I#pseudo_tailcall{stkargs=lists:map(A,Stk)};
#pseudo_tailcall_prepare{} -> I;
@@ -62,7 +64,9 @@ insn_temps(T, I) ->
#fp_binary{dst=D,src1=L,src2=R} ->
I#fp_binary{dst=T(D),src1=T(L),src2=T(R)};
#fp_unary{dst=D,src=S} -> I#fp_unary{dst=T(D),src=T(S)};
- #pseudo_fmove{dst=D,src=S} -> I#pseudo_fmove{dst=T(D),src=T(S)}
+ #pseudo_fmove{dst=D,src=S} -> I#pseudo_fmove{dst=T(D),src=T(S)};
+ #pseudo_spill_fmove{dst=D,temp=U,src=S} ->
+ I#pseudo_spill_fmove{dst=T(D),temp=T(U),src=T(S)}
end.
-spec oper_temps(subst_fun(), oper()) -> oper().
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 01:42:45 +0000