%% -*- erlang-indent-level: 2 -*-
%%
%% 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
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% 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.
-ifdef(HIPE_AMD64).
-define(HIPE_X86_RA, hipe_amd64_ra).
-define(HIPE_X86_PP, hipe_amd64_pp).
-define(HIPE_X86_RA_LS, hipe_amd64_ra_ls).
-define(HIPE_X86_RA_NAIVE, hipe_amd64_ra_naive).
-define(HIPE_X86_RA_FINALISE, hipe_amd64_ra_finalise).
-define(HIPE_X86_SPECIFIC, hipe_amd64_specific).
-else.
-define(HIPE_X86_RA, hipe_x86_ra).
-define(HIPE_X86_PP, hipe_x86_pp).
-define(HIPE_X86_RA_LS, hipe_x86_ra_ls).
-define(HIPE_X86_RA_NAIVE, hipe_x86_ra_naive).
-define(HIPE_X86_RA_FINALISE, hipe_x86_ra_finalise).
-define(HIPE_X86_SPECIFIC, hipe_x86_specific).
-endif.
-module(?HIPE_X86_RA).
-export([ra/2]).
%%-define(HIPE_INSTRUMENT_COMPILER, true). %% Turn on instrumentation.
-include("../main/hipe.hrl").
-ifdef(HIPE_INSTRUMENT_COMPILER).
code_size(CFG) ->
hipe_x86_cfg:fold_bbs(fun(_, BB, Acc) -> Acc + length(hipe_bb:code(BB)) end,
0, CFG).
-endif. %% ifdef(HIPE_INSTRUMENT_COMPILER)
ra(CFG0, Options) ->
%% hipe_x86_cfg:pp(CFG0),
Liveness0 = ?HIPE_X86_SPECIFIC:analyze(CFG0, no_context),
{CFG1, Liveness, Coloring_fp, SpillIndex} = ra_fp(CFG0, Liveness0, Options),
%% hipe_x86_cfg:pp(CFG1),
?start_ra_instrumentation(Options,
code_size(CFG1),
element(2,hipe_gensym:var_range(x86))),
{CFG2, _, Coloring}
= case proplists:get_value(regalloc, Options, coalescing) of
coalescing ->
ra(CFG1, Liveness, SpillIndex, Options, hipe_coalescing_regalloc);
optimistic ->
ra(CFG1, Liveness, SpillIndex, Options, hipe_optimistic_regalloc);
graph_color ->
ra(CFG1, Liveness, SpillIndex, Options, hipe_graph_coloring_regalloc);
linear_scan ->
?HIPE_X86_RA_LS:ra(CFG1, Liveness, SpillIndex, Options);
naive ->
?HIPE_X86_RA_NAIVE:ra(CFG1, Liveness, Coloring_fp, Options);
_ ->
exit({unknown_regalloc_compiler_option,
proplists:get_value(regalloc,Options)})
end,
?stop_ra_instrumentation(Options,
code_size(CFG2),
element(2,hipe_gensym:var_range(x86))),
%% hipe_x86_cfg:pp(CFG2),
?HIPE_X86_RA_FINALISE:finalise(CFG2, Coloring, Coloring_fp, Options).
ra(CFG, Liveness, SpillIndex, Options, RegAllocMod) ->
hipe_regalloc_loop:ra(CFG, Liveness, SpillIndex, Options, RegAllocMod,
?HIPE_X86_SPECIFIC, no_context).
-ifdef(HIPE_AMD64).
ra_fp(CFG, Liveness, Options) ->
Regalloc0 = proplists:get_value(regalloc, Options),
{Regalloc, TargetMod} =
case proplists:get_bool(inline_fp, Options) and (Regalloc0 =/= naive) of
false -> {naive, undefined};
true ->
case proplists:get_bool(x87, Options) of
true -> {linear_scan, hipe_amd64_specific_x87};
false -> {Regalloc0, hipe_amd64_specific_sse2}
end
end,
case Regalloc of
coalescing ->
ra_fp(CFG, Liveness, Options, hipe_coalescing_regalloc, TargetMod);
optimistic ->
ra_fp(CFG, Liveness, Options, hipe_optimistic_regalloc, TargetMod);
graph_color ->
ra_fp(CFG, Liveness, Options, hipe_graph_coloring_regalloc, TargetMod);
linear_scan -> hipe_amd64_ra_ls:ra_fp(CFG, Liveness, Options, TargetMod,
no_context);
naive -> {CFG,Liveness,[],0};
_ ->
exit({unknown_regalloc_compiler_option,
proplists:get_value(regalloc,Options)})
end.
ra_fp(CFG, Liveness, Options, RegAllocMod, TargetMod) ->
hipe_regalloc_loop:ra_fp(CFG, Liveness, Options, RegAllocMod, TargetMod,
no_context).
-else.
ra_fp(CFG, Liveness, Options) ->
case proplists:get_bool(inline_fp, Options) of
true ->
hipe_x86_ra_ls:ra_fp(CFG, Liveness, Options, hipe_x86_specific_x87,
no_context);
false ->
{CFG,Liveness,[],0}
end.
-endif.
