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-rw-r--r--lib/hipe/x86/hipe_x86.erl14
-rw-r--r--lib/hipe/x86/hipe_x86.hrl2
-rw-r--r--lib/hipe/x86/hipe_x86_defuse.erl4
-rw-r--r--lib/hipe/x86/hipe_x86_frame.erl46
-rw-r--r--lib/hipe/x86/hipe_x86_ra_finalise.erl10
-rw-r--r--lib/hipe/x86/hipe_x86_ra_postconditions.erl26
-rw-r--r--lib/hipe/x86/hipe_x86_subst.erl4
7 files changed, 95 insertions, 11 deletions
diff --git a/lib/hipe/x86/hipe_x86.erl b/lib/hipe/x86/hipe_x86.erl
index cc1c75b04d..f514dd1ded 100644
--- a/lib/hipe/x86/hipe_x86.erl
+++ b/lib/hipe/x86/hipe_x86.erl
@@ -167,6 +167,12 @@
mk_pseudo_spill/1,
+ mk_pseudo_spill_fmove/3,
+ is_pseudo_spill_fmove/1,
+
+ mk_pseudo_spill_move/3,
+ is_pseudo_spill_move/1,
+
mk_pseudo_tailcall/4,
%% is_pseudo_tailcall/1,
pseudo_tailcall_fun/1,
@@ -425,6 +431,14 @@ mk_pseudo_jcc_simple(Cc, TrueLabel, FalseLabel, Pred) ->
mk_pseudo_spill(List) ->
#pseudo_spill{args=List}.
+mk_pseudo_spill_fmove(Src, Temp, Dst) ->
+ #pseudo_spill_fmove{src=Src, temp=Temp, dst=Dst}.
+is_pseudo_spill_fmove(I) -> is_record(I, pseudo_spill_fmove).
+
+mk_pseudo_spill_move(Src, Temp, Dst) ->
+ #pseudo_spill_move{src=Src, temp=Temp, dst=Dst}.
+is_pseudo_spill_move(I) -> is_record(I, pseudo_spill_move).
+
mk_pseudo_tailcall(Fun, Arity, StkArgs, Linkage) ->
check_linkage(Linkage),
#pseudo_tailcall{'fun'=Fun, arity=Arity, stkargs=StkArgs, linkage=Linkage}.
diff --git a/lib/hipe/x86/hipe_x86.hrl b/lib/hipe/x86/hipe_x86.hrl
index 567848bae5..6cd69905b2 100644
--- a/lib/hipe/x86/hipe_x86.hrl
+++ b/lib/hipe/x86/hipe_x86.hrl
@@ -91,6 +91,8 @@
-record(pseudo_call, {'fun', sdesc, contlab, linkage}).
-record(pseudo_jcc, {cc, true_label, false_label, pred}).
-record(pseudo_spill, {args=[]}).
+-record(pseudo_spill_move, {src, temp, dst}).
+-record(pseudo_spill_fmove, {src, temp, dst}).
-record(pseudo_tailcall, {'fun', arity, stkargs, linkage}).
-record(pseudo_tailcall_prepare, {}).
-record(push, {src}).
diff --git a/lib/hipe/x86/hipe_x86_defuse.erl b/lib/hipe/x86/hipe_x86_defuse.erl
index 5d7fadf8e5..2731836dc1 100644
--- a/lib/hipe/x86/hipe_x86_defuse.erl
+++ b/lib/hipe/x86/hipe_x86_defuse.erl
@@ -51,6 +51,8 @@ insn_def(I) ->
#movzx{dst=Dst} -> dst_def(Dst);
#pseudo_call{} -> call_clobbered();
#pseudo_spill{} -> [];
+ #pseudo_spill_fmove{temp=Temp, dst=Dst} -> [Temp, Dst];
+ #pseudo_spill_move{temp=Temp, dst=Dst} -> [Temp, Dst];
#pseudo_tailcall_prepare{} -> tailcall_clobbered();
#shift{dst=Dst} -> dst_def(Dst);
%% call, cmp, comment, jcc, jmp_fun, jmp_label, jmp_switch, label
@@ -108,6 +110,8 @@ insn_use(I) ->
#pseudo_call{'fun'=Fun,sdesc=#x86_sdesc{arity=Arity}} ->
addtemp(Fun, arity_use(Arity));
#pseudo_spill{args=Args} -> Args;
+ #pseudo_spill_fmove{src=Src} -> [Src];
+ #pseudo_spill_move{src=Src} -> [Src];
#pseudo_tailcall{'fun'=Fun,arity=Arity,stkargs=StkArgs} ->
addtemp(Fun, addtemps(StkArgs, addtemps(tailcall_clobbered(),
arity_use(Arity))));
diff --git a/lib/hipe/x86/hipe_x86_frame.erl b/lib/hipe/x86/hipe_x86_frame.erl
index 3c2b67967a..558321d0c3 100644
--- a/lib/hipe/x86/hipe_x86_frame.erl
+++ b/lib/hipe/x86/hipe_x86_frame.erl
@@ -95,13 +95,17 @@ do_insn(I, LiveOut, Context, FPoff) ->
#imul{} ->
{[do_imul(I, Context, FPoff)], FPoff};
#move{} ->
- {[do_move(I, Context, FPoff)], FPoff};
+ {do_move(I, Context, FPoff), FPoff};
#movsx{} ->
{[do_movsx(I, Context, FPoff)], FPoff};
#movzx{} ->
{[do_movzx(I, Context, FPoff)], FPoff};
#pseudo_call{} ->
do_pseudo_call(I, LiveOut, Context, FPoff);
+ #pseudo_spill_fmove{} ->
+ {do_pseudo_spill_fmove(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)};
#push{} ->
@@ -144,22 +148,50 @@ do_fp_binop(I, Context, FPoff) ->
Dst = conv_opnd(Dst0, FPoff, Context),
[I#fp_binop{src=Src,dst=Dst}].
-do_fmove(I, Context, FPoff) ->
- #fmove{src=Src0,dst=Dst0} = I,
+do_fmove(I0, Context, FPoff) ->
+ #fmove{src=Src0,dst=Dst0} = I0,
Src = conv_opnd(Src0, FPoff, Context),
Dst = conv_opnd(Dst0, FPoff, Context),
- I#fmove{src=Src,dst=Dst}.
+ I = I0#fmove{src=Src,dst=Dst},
+ case Src =:= Dst of
+ true -> []; % omit move-to-self
+ false -> [I]
+ end.
+
+do_pseudo_spill_fmove(I0, Context, FPoff) ->
+ #pseudo_spill_fmove{src=Src0,temp=Temp0,dst=Dst0} = I0,
+ Src = conv_opnd(Src0, FPoff, Context),
+ Temp = conv_opnd(Temp0, FPoff, Context),
+ Dst = conv_opnd(Dst0, FPoff, Context),
+ case Src =:= Dst of
+ true -> []; % omit move-to-self
+ false -> [#fmove{src=Src, dst=Temp}, #fmove{src=Temp, dst=Dst}]
+ end.
do_imul(I, Context, FPoff) ->
#imul{src=Src0} = I,
Src = conv_opnd(Src0, FPoff, Context),
I#imul{src=Src}.
-do_move(I, Context, FPoff) ->
- #move{src=Src0,dst=Dst0} = I,
+do_move(I0, Context, FPoff) ->
+ #move{src=Src0,dst=Dst0} = I0,
Src = conv_opnd(Src0, FPoff, Context),
Dst = conv_opnd(Dst0, FPoff, Context),
- I#move{src=Src,dst=Dst}.
+ I = I0#move{src=Src,dst=Dst},
+ case Src =:= Dst of
+ true -> []; % omit move-to-self
+ false -> [I]
+ end.
+
+do_pseudo_spill_move(I0, Context, FPoff) ->
+ #pseudo_spill_move{src=Src0,temp=Temp0,dst=Dst0} = I0,
+ Src = conv_opnd(Src0, FPoff, Context),
+ Temp = conv_opnd(Temp0, FPoff, Context),
+ Dst = conv_opnd(Dst0, FPoff, Context),
+ case Src =:= Dst of
+ true -> []; % omit move-to-self
+ false -> [#move{src=Src, dst=Temp}, #move{src=Temp, dst=Dst}]
+ end.
do_movsx(I, Context, FPoff) ->
#movsx{src=Src0,dst=Dst0} = I,
diff --git a/lib/hipe/x86/hipe_x86_ra_finalise.erl b/lib/hipe/x86/hipe_x86_ra_finalise.erl
index 4273e3cee8..e8abe78e00 100644
--- a/lib/hipe/x86/hipe_x86_ra_finalise.erl
+++ b/lib/hipe/x86/hipe_x86_ra_finalise.erl
@@ -140,6 +140,16 @@ ra_insn(I, Map, FpMap) ->
I#pseudo_call{'fun'=Fun};
#pseudo_jcc{} ->
I;
+ #pseudo_spill_fmove{src=Src0, temp=Temp0, dst=Dst0} ->
+ Src = ra_opnd(Src0, Map, FpMap),
+ Temp = ra_opnd(Temp0, Map, FpMap),
+ Dst = ra_opnd(Dst0, Map, FpMap),
+ I#pseudo_spill_fmove{src=Src, temp=Temp, dst=Dst};
+ #pseudo_spill_move{src=Src0, temp=Temp0, dst=Dst0} ->
+ Src = ra_opnd(Src0, Map),
+ Temp = ra_opnd(Temp0, Map),
+ Dst = ra_opnd(Dst0, Map),
+ I#pseudo_spill_move{src=Src, temp=Temp, dst=Dst};
#pseudo_tailcall{'fun'=Fun0,stkargs=StkArgs0} ->
Fun = ra_opnd(Fun0, Map),
StkArgs = ra_args(StkArgs0, Map),
diff --git a/lib/hipe/x86/hipe_x86_ra_postconditions.erl b/lib/hipe/x86/hipe_x86_ra_postconditions.erl
index 28ec9c4277..db6391d5c1 100644
--- a/lib/hipe/x86/hipe_x86_ra_postconditions.erl
+++ b/lib/hipe/x86/hipe_x86_ra_postconditions.erl
@@ -74,6 +74,8 @@ do_insn(I, TempMap, Strategy) -> % Insn -> {Insn list, DidSpill}
do_movx(I, TempMap, Strategy);
#fmove{} ->
do_fmove(I, TempMap, Strategy);
+ #pseudo_spill_move{} ->
+ do_pseudo_spill_move(I, TempMap, Strategy);
#shift{} ->
do_shift(I, TempMap, Strategy);
#test{} ->
@@ -190,10 +192,19 @@ do_lea(I, TempMap, Strategy) ->
do_move(I, TempMap, Strategy) ->
#move{src=Src0,dst=Dst0} = I,
- {FixSrc, Src, FixDst, Dst, DidSpill} =
- do_check_byte_move(Src0, Dst0, TempMap, Strategy),
- {FixSrc ++ FixDst ++ [I#move{src=Src,dst=Dst}],
- DidSpill}.
+ case
+ is_record(Src0, x86_temp) andalso is_record(Dst0, x86_temp)
+ andalso is_spilled(Src0, TempMap) andalso is_spilled(Dst0, TempMap)
+ of
+ true ->
+ Tmp = clone(Src0, Strategy),
+ {[hipe_x86:mk_pseudo_spill_move(Src0, Tmp, Dst0)], true};
+ false ->
+ {FixSrc, Src, FixDst, Dst, DidSpill} =
+ do_check_byte_move(Src0, Dst0, TempMap, Strategy),
+ {FixSrc ++ FixDst ++ [I#move{src=Src,dst=Dst}],
+ DidSpill}
+ end.
-ifdef(HIPE_AMD64).
@@ -287,6 +298,13 @@ do_fmove(I, TempMap, Strategy) ->
{FixSrc ++ FixDst ++ [I#fmove{src=Src,dst=Dst}],
DidSpill1 or DidSpill2}.
+%%% Fix an pseudo_spill_move op.
+
+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 = is_spilled(Temp, TempMap),
+ {[I], false}. % nothing to do
+
%%% Fix a shift operation.
%%% 1. remove pseudos from any explicit memory operands
%%% 2. if the source is a register or memory position
diff --git a/lib/hipe/x86/hipe_x86_subst.erl b/lib/hipe/x86/hipe_x86_subst.erl
index adc2e9dc65..7db3b23d92 100644
--- a/lib/hipe/x86/hipe_x86_subst.erl
+++ b/lib/hipe/x86/hipe_x86_subst.erl
@@ -59,6 +59,10 @@ insn_temps(SubstTemp, I) ->
I#jmp_switch{temp=O(T), jtab=jtab_temps(SubstTemp, J)};
#pseudo_call{'fun'=F} ->
I#pseudo_call{'fun'=funv_temps(SubstTemp, F)};
+ #pseudo_spill_fmove{src=S, temp=T, dst=D} ->
+ I#pseudo_spill_fmove{src=O(S), temp=O(T), dst=O(D)};
+ #pseudo_spill_move{src=S, temp=T, dst=D} ->
+ I#pseudo_spill_move{src=O(S), temp=O(T), dst=O(D)};
#pseudo_tailcall{'fun'=F, stkargs=Stk} ->
I#pseudo_tailcall{'fun'=funv_temps(SubstTemp, F),
stkargs=lists:map(O, Stk)};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 11:13:18 +0000