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-rw-r--r--lib/hipe/arm/hipe_arm_ra_finalise.erl25
1 files changed, 20 insertions, 5 deletions
diff --git a/lib/hipe/arm/hipe_arm_ra_finalise.erl b/lib/hipe/arm/hipe_arm_ra_finalise.erl
index 9bfe0a9a83..80cd470708 100644
--- a/lib/hipe/arm/hipe_arm_ra_finalise.erl
+++ b/lib/hipe/arm/hipe_arm_ra_finalise.erl
@@ -25,11 +25,17 @@ ra_bb(BB, Map) ->
hipe_bb:code_update(BB, ra_code(hipe_bb:code(BB), Map, [])).
ra_code([I|Insns], Map, Accum) ->
- ra_code(Insns, Map, [ra_insn(I, Map) | Accum]);
+ ra_code(Insns, Map, ra_insn(I, Map, Accum));
ra_code([], _Map, Accum) ->
lists:reverse(Accum).
-ra_insn(I, Map) ->
+ra_insn(I, Map, Accum) ->
+ case I of
+ #pseudo_move{} -> ra_pseudo_move(I, Map, Accum);
+ _ -> [ra_insn_1(I, Map) | Accum]
+ end.
+
+ra_insn_1(I, Map) ->
case I of
#alu{} -> ra_alu(I, Map);
#cmp{} -> ra_cmp(I, Map);
@@ -38,7 +44,7 @@ ra_insn(I, Map) ->
#move{} -> ra_move(I, Map);
#pseudo_call{} -> ra_pseudo_call(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_switch{} -> ra_pseudo_switch(I, Map);
#pseudo_tailcall{} -> ra_pseudo_tailcall(I, Map);
#smull{} -> ra_smull(I, Map);
@@ -80,10 +86,19 @@ ra_pseudo_li(I=#pseudo_li{dst=Dst}, Map) ->
NewDst = ra_temp(Dst, Map),
I#pseudo_li{dst=NewDst}.
-ra_pseudo_move(I=#pseudo_move{dst=Dst,src=Src}, Map) ->
+ra_pseudo_move(I=#pseudo_move{dst=Dst,src=Src}, Map, Accum) ->
+ NewDst = ra_temp(Dst, Map),
+ NewSrc = ra_temp(Src, Map),
+ case NewSrc#arm_temp.reg =:= NewDst#arm_temp.reg of
+ true -> Accum;
+ false -> [I#pseudo_move{dst=NewDst,src=NewSrc} | Accum]
+ end.
+
+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_move{dst=NewDst,src=NewSrc}.
+ I#pseudo_spill_move{dst=NewDst, temp=NewTemp, src=NewSrc}.
ra_pseudo_switch(I=#pseudo_switch{jtab=JTab,index=Index}, Map) ->
NewJTab = ra_temp(JTab, Map),