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-rw-r--r--lib/hipe/ppc/hipe_ppc.erl172
1 files changed, 133 insertions, 39 deletions
diff --git a/lib/hipe/ppc/hipe_ppc.erl b/lib/hipe/ppc/hipe_ppc.erl
index 047e86c45b..4014fc1561 100644
--- a/lib/hipe/ppc/hipe_ppc.erl
+++ b/lib/hipe/ppc/hipe_ppc.erl
@@ -1,20 +1,20 @@
%% -*- erlang-indent-level: 2 -*-
%%
%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2004-2009. All Rights Reserved.
-%%
+%%
+%% Copyright Ericsson AB 2004-2011. All Rights Reserved.
+%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
-%%
+%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
-%%
+%%
%% %CopyrightEnd%
%%
@@ -58,6 +58,10 @@
mk_blr/0,
mk_cmp/3,
+ cmpop_word/0,
+ cmpiop_word/0,
+ cmplop_word/0,
+ cmpliop_word/0,
mk_comment/1,
@@ -73,6 +77,8 @@
mk_loadx/4,
mk_load/6,
ldop_to_ldxop/1,
+ ldop_word/0,
+ ldop_wordx/0,
mk_mfspr/2,
@@ -110,6 +116,8 @@
mk_storex/4,
mk_store/6,
stop_to_stxop/1,
+ stop_word/0,
+ stop_wordx/0,
mk_unary/3,
@@ -189,6 +197,31 @@ mk_blr() -> #blr{}.
mk_cmp(CmpOp, Src1, Src2) -> #cmp{cmpop=CmpOp, src1=Src1, src2=Src2}.
+cmpop_word() ->
+ case get(hipe_target_arch) of
+ powerpc -> 'cmp';
+ ppc64 -> 'cmpd'
+ end.
+
+cmpiop_word() ->
+ case get(hipe_target_arch) of
+ powerpc -> 'cmpi';
+ ppc64 -> 'cmpdi'
+ end.
+
+cmplop_word() ->
+ case get(hipe_target_arch) of
+ powerpc -> 'cmpl';
+ ppc64 -> 'cmpld'
+ end.
+
+cmpliop_word() ->
+ case get(hipe_target_arch) of
+ powerpc -> 'cmpli';
+ ppc64 -> 'cmpldi'
+ end.
+
+
mk_comment(Term) -> #comment{term=Term}.
mk_label(Label) -> #label{label=Label}.
@@ -198,9 +231,50 @@ label_label(#label{label=Label}) -> Label.
%%% Load an integer constant into a register.
mk_li(Dst, Value) -> mk_li(Dst, Value, []).
-mk_li(Dst, Value, Tail) ->
+mk_li(Dst, Value, Tail) -> % Dst can be R0
R0 = mk_temp(0, 'untagged'),
- mk_addi(Dst, R0, Value, Tail).
+ %% Check if immediate can fit in the 32 bits, this is obviously a
+ %% sufficient check for PPC32
+ if Value >= -16#80000000,
+ Value =< 16#7FFFFFFF ->
+ mk_li32(Dst, R0, Value, Tail);
+ true ->
+ Highest = (Value bsr 48), % Value@highest
+ Higher = (Value bsr 32) band 16#FFFF, % Value@higher
+ High = (Value bsr 16) band 16#FFFF, % Value@h
+ Low = Value band 16#FFFF, % Value@l
+ LdLo =
+ case Low of
+ 0 -> Tail;
+ _ -> [mk_alu('ori', Dst, Dst, mk_uimm16(Low)) | Tail]
+ end,
+ Ld32bits =
+ case High of
+ 0 -> LdLo;
+ _ -> [mk_alu('oris', Dst, Dst, mk_uimm16(High)) | LdLo]
+ end,
+ [mk_alu('addis', Dst, R0, mk_simm16(Highest)),
+ mk_alu('ori', Dst, Dst, mk_uimm16(Higher)),
+ mk_alu('sldi', Dst, Dst, mk_uimm16(32)) |
+ Ld32bits]
+ end.
+
+mk_li32(Dst, R0, Value, Tail) ->
+ case at_ha(Value) of
+ 0 ->
+ %% Value[31:16] are the sign-extension of Value[15].
+ %% Use a single addi to load and sign-extend 16 bits.
+ [mk_alu('addi', Dst, R0, mk_simm16(at_l(Value))) | Tail];
+ _ ->
+ %% Use addis to load the high 16 bits, followed by an
+ %% optional ori to load non sign-extended low 16 bits.
+ High = simm16sext((Value bsr 16) band 16#FFFF),
+ [mk_alu('addis', Dst, R0, mk_simm16(High)) |
+ case (Value band 16#FFFF) of
+ 0 -> Tail;
+ Low -> [mk_alu('ori', Dst, Dst, mk_uimm16(Low)) | Tail]
+ end]
+ end.
mk_addi(Dst, R0, Value, Tail) ->
Low = at_l(Value),
@@ -232,27 +306,6 @@ simm16sext(Value) ->
true -> Value
end.
-mk_li_new(Dst, Value, Tail) -> % Dst may be R0
- R0 = mk_temp(0, 'untagged'),
- case at_ha(Value) of
- 0 ->
- %% Value[31:16] are the sign-extension of Value[15].
- %% Use a single addi to load and sign-extend 16 bits.
- [mk_alu('addi', Dst, R0, mk_simm16(at_l(Value))) |
- Tail];
- _ ->
- %% Use addis to load the high 16 bits, followed by an
- %% optional ori to load non sign-extended low 16 bits.
- High = simm16sext((Value bsr 16) band 16#FFFF),
- [mk_alu('addis', Dst, R0, mk_simm16(High)) |
- case (Value band 16#FFFF) of
- 0 -> Tail;
- Low ->
- [mk_alu('ori', Dst, Dst, mk_uimm16(Low)) |
- Tail]
- end]
- end.
-
mk_load(LDop, Dst, Disp, Base) ->
#load{ldop=LDop, dst=Dst, disp=Disp, base=Base}.
@@ -260,8 +313,15 @@ mk_loadx(LdxOp, Dst, Base1, Base2) ->
#loadx{ldxop=LdxOp, dst=Dst, base1=Base1, base2=Base2}.
mk_load(LdOp, Dst, Offset, Base, Scratch, Rest) when is_integer(Offset) ->
- if Offset >= -32768, Offset =< 32767 ->
- [mk_load(LdOp, Dst, Offset, Base) | Rest];
+ RequireAlignment =
+ case LdOp of
+ 'ld' -> true;
+ 'ldx' -> true;
+ _ -> false
+ end,
+ if Offset >= -32768, Offset =< 32767,
+ not RequireAlignment orelse Offset band 3 =:= 0 ->
+ [mk_load(LdOp, Dst, Offset, Base) | Rest];
true ->
LdxOp = ldop_to_ldxop(LdOp),
Index =
@@ -272,8 +332,8 @@ mk_load(LdOp, Dst, Offset, Base, Scratch, Rest) when is_integer(Offset) ->
true -> mk_scratch(Scratch)
end
end,
- mk_li_new(Index, Offset,
- [mk_loadx(LdxOp, Dst, Base, Index) | Rest])
+ mk_li(Index, Offset,
+ [mk_loadx(LdxOp, Dst, Base, Index) | Rest])
end.
ldop_to_ldxop(LdOp) ->
@@ -281,7 +341,21 @@ ldop_to_ldxop(LdOp) ->
'lbz' -> 'lbzx';
'lha' -> 'lhax';
'lhz' -> 'lhzx';
- 'lwz' -> 'lwzx'
+ 'lwa' -> 'lwax';
+ 'lwz' -> 'lwzx';
+ 'ld' -> 'ldx'
+ end.
+
+ldop_word() ->
+ case get(hipe_target_arch) of
+ powerpc -> 'lwz';
+ ppc64 -> 'ld'
+ end.
+
+ldop_wordx() ->
+ case get(hipe_target_arch) of
+ powerpc -> 'lwzx';
+ ppc64 -> 'ldx'
end.
mk_scratch(Scratch) ->
@@ -354,20 +428,40 @@ mk_storex(StxOp, Src, Base1, Base2) ->
#storex{stxop=StxOp, src=Src, base1=Base1, base2=Base2}.
mk_store(StOp, Src, Offset, Base, Scratch, Rest)when is_integer(Offset) ->
- if Offset >= -32768, Offset =< 32767 ->
+ RequireAlignment =
+ case StOp of
+ 'std' -> true;
+ 'stdx' -> true;
+ _ -> false
+ end,
+ if Offset >= -32768, Offset =< 32767,
+ not RequireAlignment orelse Offset band 3 =:= 0 ->
[mk_store(StOp, Src, Offset, Base) | Rest];
true ->
StxOp = stop_to_stxop(StOp),
Index = mk_scratch(Scratch),
- mk_li_new(Index, Offset,
- [mk_storex(StxOp, Src, Base, Index) | Rest])
+ mk_li(Index, Offset,
+ [mk_storex(StxOp, Src, Base, Index) | Rest])
end.
stop_to_stxop(StOp) ->
case StOp of
'stb' -> 'stbx';
'sth' -> 'sthx';
- 'stw' -> 'stwx'
+ 'stw' -> 'stwx';
+ 'std' -> 'stdx'
+ end.
+
+stop_word() ->
+ case get(hipe_target_arch) of
+ powerpc -> 'stw';
+ ppc64 -> 'std'
+ end.
+
+stop_wordx() ->
+ case get(hipe_target_arch) of
+ powerpc -> 'stwx';
+ ppc64 -> 'stdx'
end.
mk_unary(UnOp, Dst, Src) -> #unary{unop=UnOp, dst=Dst, src=Src}.
@@ -379,7 +473,7 @@ mk_fload(Dst, Offset, Base, Scratch) when is_integer(Offset) ->
[mk_lfd(Dst, Offset, Base)];
true ->
Index = mk_scratch(Scratch),
- mk_li_new(Index, Offset, [mk_lfdx(Dst, Base, Index)])
+ mk_li(Index, Offset, [mk_lfdx(Dst, Base, Index)])
end.
mk_stfd(Src, Disp, Base) -> #stfd{src=Src, disp=Disp, base=Base}.
@@ -389,7 +483,7 @@ mk_fstore(Src, Offset, Base, Scratch) when is_integer(Offset) ->
[mk_stfd(Src, Offset, Base)];
true ->
Index = mk_scratch(Scratch),
- mk_li_new(Index, Offset, [mk_stfdx(Src, Base, Index)])
+ mk_li(Index, Offset, [mk_stfdx(Src, Base, Index)])
end.
mk_fp_binary(FpBinOp, Dst, Src1, Src2) ->
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 16:20:32 +0000