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-rw-r--r--lib/hipe/ppc/hipe_rtl_to_ppc.erl120
1 files changed, 67 insertions, 53 deletions
diff --git a/lib/hipe/ppc/hipe_rtl_to_ppc.erl b/lib/hipe/ppc/hipe_rtl_to_ppc.erl
index a994659616..c0010a8690 100644
--- a/lib/hipe/ppc/hipe_rtl_to_ppc.erl
+++ b/lib/hipe/ppc/hipe_rtl_to_ppc.erl
@@ -1,9 +1,5 @@
%%% -*- erlang-indent-level: 2 -*-
%%%
-%%% %CopyrightBegin%
-%%%
-%%% Copyright Ericsson AB 2004-2016. All Rights Reserved.
-%%%
%%% Licensed under the Apache License, Version 2.0 (the "License");
%%% you may not use this file except in compliance with the License.
%%% You may obtain a copy of the License at
@@ -16,8 +12,6 @@
%%% See the License for the specific language governing permissions and
%%% limitations under the License.
%%%
-%%% %CopyrightEnd%
-%%%
%%% The PowerPC instruction set is quite irregular.
%%% The following quirks must be handled by the translation:
%%%
@@ -80,7 +74,6 @@ conv_insn(I, Map, Data) ->
case I of
#alu{} -> conv_alu(I, Map, Data);
#alub{} -> conv_alub(I, Map, Data);
- #branch{} -> conv_branch(I, Map, Data);
#call{} -> conv_call(I, Map, Data);
#comment{} -> conv_comment(I, Map, Data);
#enter{} -> conv_enter(I, Map, Data);
@@ -441,36 +434,53 @@ mk_alu_rr(Dst, Src1, RtlAluOp, Src2) ->
conv_alub(I, Map, Data) ->
%% dst = src1 aluop src2; if COND goto label
- {Dst, Map0} = conv_dst(hipe_rtl:alub_dst(I), Map),
- {Src1, Map1} = conv_src(hipe_rtl:alub_src1(I), Map0),
- {Src2, Map2} = conv_src(hipe_rtl:alub_src2(I), Map1),
- {AluOp, BCond} =
- case {hipe_rtl:alub_op(I), hipe_rtl:alub_cond(I)} of
- {'add', 'ltu'} ->
- {'addc', 'eq'};
- {RtlAlubOp, RtlAlubCond} ->
- {conv_alub_op(RtlAlubOp), conv_alub_cond(RtlAlubCond)}
- end,
- BC = mk_pseudo_bc(BCond,
- hipe_rtl:alub_true_label(I),
- hipe_rtl:alub_false_label(I),
- hipe_rtl:alub_pred(I)),
- I2 =
- case {AluOp, BCond} of
- {'addc', 'eq'} -> % copy XER[CA] to CR0[EQ] before the BC
- TmpR = new_untagged_temp(),
- [hipe_ppc:mk_mfspr(TmpR, 'xer'),
- hipe_ppc:mk_mtcr(TmpR) |
- BC];
- _ -> BC
- end,
- {NewSrc1, NewSrc2} =
- case AluOp of
- 'subf' -> {Src2, Src1};
- _ -> {Src1, Src2}
- end,
- I1 = mk_alub(Dst, NewSrc1, AluOp, NewSrc2, BCond),
- {I1 ++ I2, Map2, Data}.
+ HasDst = hipe_rtl:alub_has_dst(I),
+ {Src1, Map0} = conv_src(hipe_rtl:alub_src1(I), Map),
+ {Src2, Map1} = conv_src(hipe_rtl:alub_src2(I), Map0),
+ RtlAlubOp = hipe_rtl:alub_op(I),
+ RtlAlubCond = hipe_rtl:alub_cond(I),
+ case {HasDst, RtlAlubOp} of
+ {false, sub} ->
+ {BCond,Sign} = conv_branch_cond(RtlAlubCond),
+ I2 = mk_branch(Src1, BCond, Sign, Src2,
+ hipe_rtl:alub_true_label(I),
+ hipe_rtl:alub_false_label(I),
+ hipe_rtl:alub_pred(I)),
+ {I2, Map1, Data};
+ _ ->
+ {Dst, Map2} =
+ case HasDst of
+ false -> {new_untagged_temp(), Map1};
+ true -> conv_dst(hipe_rtl:alub_dst(I), Map1)
+ end,
+ {AluOp, BCond} =
+ case {RtlAlubOp, RtlAlubCond} of
+ {'add', 'ltu'} ->
+ {'addc', 'eq'};
+ {_, _} ->
+ {conv_alub_op(RtlAlubOp), conv_alub_cond(RtlAlubCond)}
+ end,
+ BC = mk_pseudo_bc(BCond,
+ hipe_rtl:alub_true_label(I),
+ hipe_rtl:alub_false_label(I),
+ hipe_rtl:alub_pred(I)),
+ I2 =
+ case {AluOp, BCond} of
+ {'addc', 'eq'} -> % copy XER[CA] to CR0[EQ] before the BC
+ TmpR = new_untagged_temp(),
+ [hipe_ppc:mk_mfspr(TmpR, 'xer'),
+ hipe_ppc:mk_mtcr(TmpR) |
+ BC];
+ _ -> BC
+ end,
+ {NewSrc1, NewSrc2} =
+ case AluOp of
+ 'subf' -> {Src2, Src1};
+ _ -> {Src1, Src2}
+ end,
+ I1 = mk_alub(Dst, NewSrc1, AluOp, NewSrc2, BCond),
+ {I1 ++ I2, Map2, Data}
+ end.
conv_alub_op(RtlAluOp) ->
case {get(hipe_target_arch), RtlAluOp} of
@@ -689,17 +699,6 @@ mk_alub_rr_Rc(Dst, Src1, AluOp, Src2) ->
end,
[hipe_ppc:mk_alu(AluOpDot, Dst, Src1, Src2)].
-conv_branch(I, Map, Data) ->
- %% <unused> = src1 - src2; if COND goto label
- {Src1, Map0} = conv_src(hipe_rtl:branch_src1(I), Map),
- {Src2, Map1} = conv_src(hipe_rtl:branch_src2(I), Map0),
- {BCond,Sign} = conv_branch_cond(hipe_rtl:branch_cond(I)),
- I2 = mk_branch(Src1, BCond, Sign, Src2,
- hipe_rtl:branch_true_label(I),
- hipe_rtl:branch_false_label(I),
- hipe_rtl:branch_pred(I)),
- {I2, Map1, Data}.
-
conv_branch_cond(Cond) -> % may be unsigned
case Cond of
gtu -> {'gt', 'unsigned'};
@@ -1031,7 +1030,7 @@ conv_return(I, Map, Data) ->
{I2, Map0, Data}.
conv_store(I, Map, Data) ->
- {Base1, Map0} = conv_dst(hipe_rtl:store_base(I), Map),
+ {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),
StoreSize = hipe_rtl:store_size(I),
@@ -1056,13 +1055,28 @@ mk_store(Src, Base1, Base2, StoreSize) ->
end.
mk_store2(Src, Base1, Base2, StOp) ->
- case hipe_ppc:is_temp(Base2) of
+ case hipe_ppc:is_temp(Base1) of
true ->
- mk_store_rr(Src, Base1, Base2, StOp);
+ case hipe_ppc:is_temp(Base2) of
+ true ->
+ mk_store_rr(Src, Base1, Base2, StOp);
+ _ ->
+ mk_store_ri(Src, Base1, Base2, StOp)
+ end;
_ ->
- mk_store_ri(Src, Base1, Base2, StOp)
+ case hipe_ppc:is_temp(Base2) of
+ true ->
+ mk_store_ri(Src, Base2, Base1, StOp);
+ _ ->
+ mk_store_ii(Src, Base1, Base2, StOp)
+ end
end.
-
+
+mk_store_ii(Src, Base, Disp, StOp) ->
+ Tmp = new_untagged_temp(),
+ mk_li(Tmp, Base,
+ mk_store_ri(Src, Tmp, Disp, StOp)).
+
mk_store_ri(Src, Base, Disp, StOp) ->
hipe_ppc:mk_store(StOp, Src, Disp, Base, 'new', []).
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 09:24:36 +0000