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authorMagnus Lång <[email protected]>2016-03-30 18:28:30 +0200
committerMagnus Lång <[email protected]>2016-08-30 17:17:59 +0200
commit522c00d0fb8157cfe19861f158c6e67e6b67c968 (patch)
treef935ee3c08eeff96eaecf4b8fe71ef5cac4f46dd /lib/hipe/sparc
parentc7a0cd1b5710178878d9b240f634e9eda7e68d96 (diff)
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hipe_sparc: Be resilient to crappy RTL
The SPARC backend crashes if certain RTL optimisations were omitted, preventing it from being usable at lower optimisation levels.
Diffstat (limited to 'lib/hipe/sparc')
-rw-r--r--lib/hipe/sparc/hipe_rtl_to_sparc.erl22
1 files changed, 18 insertions, 4 deletions
diff --git a/lib/hipe/sparc/hipe_rtl_to_sparc.erl b/lib/hipe/sparc/hipe_rtl_to_sparc.erl
index eef5ba8d96..b1d56e6ab5 100644
--- a/lib/hipe/sparc/hipe_rtl_to_sparc.erl
+++ b/lib/hipe/sparc/hipe_rtl_to_sparc.erl
@@ -625,7 +625,7 @@ conv_return(I, Map, Data) ->
{I2, Map0, Data}.
conv_store(I, Map, Data) ->
- {Base1, Map0} = conv_dst(hipe_rtl:store_base(I), Map), % no immediates allowed
+ {Base1, Map0} = conv_src(hipe_rtl:store_base(I), Map),
{Src, Map1} = conv_src(hipe_rtl:store_src(I), Map0),
{Base2, Map2} = conv_src(hipe_rtl:store_offset(I), Map1),
StOp = conv_stop(hipe_rtl:store_size(I)),
@@ -649,13 +649,27 @@ mk_store(StOp, Src, Base1, Base2) ->
end.
mk_store2(StOp, Src, Base1, Base2) ->
- case hipe_sparc:is_temp(Base2) of
+ case hipe_sparc:is_temp(Base1) of
true ->
- mk_store_rr(StOp, Src, Base1, Base2);
+ case hipe_sparc:is_temp(Base2) of
+ true ->
+ mk_store_rr(StOp, Src, Base1, Base2);
+ _ ->
+ mk_store_ri(StOp, Src, Base1, Base2)
+ end;
_ ->
- mk_store_ri(StOp, Src, Base1, Base2)
+ case hipe_sparc:is_temp(Base2) of
+ true ->
+ mk_store_ri(StOp, Src, Base2, Base1);
+ _ ->
+ mk_store_ii(StOp, Src, Base1, Base2)
+ end
end.
+mk_store_ii(StOp, Src, Base, Disp) ->
+ Tmp = new_untagged_temp(),
+ mk_set(Base, Tmp, mk_store_ri(StOp, Src, Tmp, Disp)).
+
mk_store_ri(StOp, Src, Base, Disp) ->
hipe_sparc:mk_store(StOp, Src, Base, Disp, 'new', []).