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-rw-r--r--lib/hipe/regalloc/hipe_ls_regalloc.erl99
1 files changed, 48 insertions, 51 deletions
diff --git a/lib/hipe/regalloc/hipe_ls_regalloc.erl b/lib/hipe/regalloc/hipe_ls_regalloc.erl
index d24b803524..785aa2b080 100644
--- a/lib/hipe/regalloc/hipe_ls_regalloc.erl
+++ b/lib/hipe/regalloc/hipe_ls_regalloc.erl
@@ -1,9 +1,5 @@
%% -*- erlang-indent-level: 2 -*-
%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2001-2016. 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
@@ -15,8 +11,6 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
-%%
-%% %CopyrightEnd%
%%
%% =====================================================================
%% @doc
@@ -56,7 +50,7 @@
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-module(hipe_ls_regalloc).
--export([regalloc/7]).
+-export([regalloc/9]).
%%-define(DEBUG,1).
-define(HIPE_INSTRUMENT_COMPILER, true).
@@ -95,11 +89,10 @@
%% </ol>
%% @end
%%- - - - - - - - - - - - - - - - - - - - - - - -
-regalloc(CFG, PhysRegs, Entrypoints, SpillIndex, DontSpill, Options, Target) ->
+regalloc(CFG, Liveness, PhysRegs, Entrypoints, SpillIndex, DontSpill, Options,
+ TargetMod, TargetContext) ->
+ Target = {TargetMod, TargetContext},
?debug_msg("LinearScan: ~w\n", [erlang:statistics(runtime)]),
- %% Step 1: Calculate liveness (Call external implementation.)
- Liveness = liveness(CFG, Target),
- ?debug_msg("liveness (done)~w\n", [erlang:statistics(runtime)]),
USIntervals = calculate_intervals(CFG, Liveness,
Entrypoints, Options, Target),
?debug_msg("intervals (done) ~w\n", [erlang:statistics(runtime)]),
@@ -108,10 +101,10 @@ regalloc(CFG, PhysRegs, Entrypoints, SpillIndex, DontSpill, Options, Target) ->
%% ?debug_msg("Intervals ~w\n", [Intervals]),
?debug_msg("No intervals: ~w\n",[length(Intervals)]),
?debug_msg("count intervals (done) ~w\n", [erlang:statistics(runtime)]),
- Allocation = allocate(Intervals, PhysRegs, SpillIndex, DontSpill, Target),
+ {Coloring, NewSpillIndex}
+ = allocate(Intervals, PhysRegs, SpillIndex, DontSpill, Target),
?debug_msg("allocation (done) ~w\n", [erlang:statistics(runtime)]),
- Allocation.
-
+ {Coloring, NewSpillIndex}.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% %%
@@ -125,32 +118,33 @@ regalloc(CFG, PhysRegs, Entrypoints, SpillIndex, DontSpill, Options, Target) ->
%% Liveness: A map of live-in and live-out sets for each Basic-Block.
%% Entrypoints: A set of BB names that have external entrypoints.
%%
-calculate_intervals(CFG,Liveness,_Entrypoints, Options, Target) ->
+calculate_intervals(CFG,Liveness,_Entrypoints, Options,
+ Target={TgtMod,TgtCtx}) ->
%% Add start point for the argument registers.
Args = arg_vars(CFG, Target),
Interval =
- add_def_point(Args, 0, empty_interval(Target:number_of_temporaries(CFG))),
+ add_def_point(Args, 0, empty_interval(number_of_temporaries(CFG, Target))),
%% Interval = add_livepoint(Args, 0, empty_interval()),
Worklist =
case proplists:get_value(ls_order, Options) of
reversepostorder ->
- Target:reverse_postorder(CFG);
+ TgtMod:reverse_postorder(CFG, TgtCtx);
breadth ->
- Target:breadthorder(CFG);
+ TgtMod:breadthorder(CFG, TgtCtx);
postorder ->
- Target:postorder(CFG);
+ TgtMod:postorder(CFG, TgtCtx);
inorder ->
- Target:inorder(CFG);
+ TgtMod:inorder(CFG, TgtCtx);
reverse_inorder ->
- Target:reverse_inorder(CFG);
+ TgtMod:reverse_inorder(CFG, TgtCtx);
preorder ->
- Target:preorder(CFG);
+ TgtMod:preorder(CFG, TgtCtx);
prediction ->
- Target:predictionorder(CFG);
+ TgtMod:predictionorder(CFG, TgtCtx);
random ->
- Target:labels(CFG);
+ TgtMod:labels(CFG, TgtCtx);
_ ->
- Target:reverse_postorder(CFG)
+ TgtMod:reverse_postorder(CFG, TgtCtx)
end,
%% ?inc_counter(bbs_counter, length(Worklist)),
%% ?debug_msg("No BBs ~w\n",[length(Worklist)]),
@@ -290,7 +284,7 @@ allocate([RegInt|RIS], Free, Active, Alloc, SpillIndex, DontSpill, Target) ->
alloc(OtherTemp,NewPhys,NewAlloc),
SpillIndex, DontSpill, Target);
false ->
- NewSpillIndex = Target:new_spill_index(SpillIndex),
+ NewSpillIndex = new_spill_index(SpillIndex, Target),
{NewAlloc2, NewActive4} =
spill(OtherTemp, OtherEnd, OtherStart, NewActive3,
NewAlloc, SpillIndex, DontSpill, Target),
@@ -306,7 +300,7 @@ allocate([RegInt|RIS], Free, Active, Alloc, SpillIndex, DontSpill, Target) ->
case NewFree of
[] ->
%% No physical registers available, we have to spill.
- NewSpillIndex = Target:new_spill_index(SpillIndex),
+ NewSpillIndex = new_spill_index(SpillIndex, Target),
{NewAlloc, NewActive2} =
spill(Temp, endpoint(RegInt), startpoint(RegInt),
Active, Alloc, SpillIndex, DontSpill, Target),
@@ -752,38 +746,41 @@ create_freeregs([]) ->
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-liveness(CFG, Target) ->
- Target:analyze(CFG).
+bb(CFG, L, {TgtMod, TgtCtx}) ->
+ TgtMod:bb(CFG,L,TgtCtx).
+
+livein(Liveness,L, Target={TgtMod,TgtCtx}) ->
+ regnames(TgtMod:livein(Liveness,L,TgtCtx), Target).
-bb(CFG, L, Target) ->
- Target:bb(CFG,L).
+liveout(Liveness,L, Target={TgtMod,TgtCtx}) ->
+ regnames(TgtMod:liveout(Liveness,L,TgtCtx), Target).
-livein(Liveness,L, Target) ->
- regnames(Target:livein(Liveness,L), Target).
+uses(I, Target={TgtMod,TgtCtx}) ->
+ regnames(TgtMod:uses(I,TgtCtx), Target).
-liveout(Liveness,L, Target) ->
- regnames(Target:liveout(Liveness,L), Target).
+defines(I, Target={TgtMod,TgtCtx}) ->
+ regnames(TgtMod:defines(I,TgtCtx), Target).
-uses(I, Target) ->
- regnames(Target:uses(I), Target).
+is_precoloured(R, {TgtMod,TgtCtx}) ->
+ TgtMod:is_precoloured(R,TgtCtx).
-defines(I, Target) ->
- regnames(Target:defines(I), Target).
+is_global(R, {TgtMod,TgtCtx}) ->
+ TgtMod:is_global(R,TgtCtx).
-is_precoloured(R, Target) ->
- Target:is_precoloured(R).
+new_spill_index(SpillIndex, {TgtMod,TgtCtx}) ->
+ TgtMod:new_spill_index(SpillIndex, TgtCtx).
-is_global(R, Target) ->
- Target:is_global(R).
+number_of_temporaries(CFG, {TgtMod,TgtCtx}) ->
+ TgtMod:number_of_temporaries(CFG, TgtCtx).
-physical_name(R, Target) ->
- Target:physical_name(R).
+physical_name(R, {TgtMod,TgtCtx}) ->
+ TgtMod:physical_name(R,TgtCtx).
-regnames(Regs, Target) ->
- [Target:reg_nr(X) || X <- Regs].
+regnames(Regs, {TgtMod,TgtCtx}) ->
+ [TgtMod:reg_nr(X,TgtCtx) || X <- Regs].
-arg_vars(CFG, Target) ->
- Target:args(CFG).
+arg_vars(CFG, {TgtMod,TgtCtx}) ->
+ TgtMod:args(CFG,TgtCtx).
-is_arg(Reg, Target) ->
- Target:is_arg(Reg).
+is_arg(Reg, {TgtMod,TgtCtx}) ->
+ TgtMod:is_arg(Reg,TgtCtx).
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 19:27:54 +0000