File: hipe_x86_ra.erl

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%%% -*- erlang-indent-level: 2 -*-
%%% $Id$

-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").

ra(Defun0, Options) ->
  %% ?HIPE_X86_PP:pp(Defun0),
  {Defun1, Coloring_fp, SpillIndex} = ra_fp(Defun0, Options),
  %% ?HIPE_X86_PP:pp(Defun1),
  ?start_ra_instrumentation(Options,
			    length(hipe_x86:defun_code(Defun1)),
			    element(2,hipe_x86:defun_var_range(Defun1))),
  {Defun2, Coloring}
    = case proplists:get_value(regalloc, Options, coalescing) of
	coalescing ->
	  ra(Defun1, SpillIndex, Options, hipe_coalescing_regalloc);
	optimistic ->
	  ra(Defun1, SpillIndex, Options, hipe_optimistic_regalloc);
	graph_color ->
	  ra(Defun1, SpillIndex, Options, hipe_graph_coloring_regalloc);
	linear_scan ->
	  ?HIPE_X86_RA_LS:ra(Defun1, SpillIndex, Options);
	naive ->
	  ?HIPE_X86_RA_NAIVE:ra(Defun1, Coloring_fp, Options);
        _ ->
	  exit({unknown_regalloc_compiler_option,
		proplists:get_value(regalloc,Options)})
      end,
  ?stop_ra_instrumentation(Options,
			   length(hipe_x86:defun_code(Defun2)),
			   element(2,hipe_x86:defun_var_range(Defun2))),
  %% ?HIPE_X86_PP:pp(Defun2),
  ?HIPE_X86_RA_FINALISE:finalise(Defun2, Coloring, Coloring_fp, Options).

ra(Defun, SpillIndex, Options, RegAllocMod) ->
  hipe_regalloc_loop:ra(Defun, SpillIndex, Options, RegAllocMod, ?HIPE_X86_SPECIFIC).

-ifdef(HIPE_AMD64).
ra_fp(Defun, Options) ->
  case proplists:get_bool(inline_fp, Options) and
       (proplists:get_value(regalloc, Options) =/= naive) of
    true ->
      case proplists:get_bool(x87, Options) of
	true ->
	  hipe_amd64_ra_x87_ls:ra(Defun, Options);
	false ->
	  hipe_regalloc_loop:ra_fp(Defun, Options,
				   hipe_coalescing_regalloc,
				   hipe_amd64_specific_sse2)
      end;
    false ->
      {Defun,[],0}
  end.
-else.
ra_fp(Defun, Options) ->
  case proplists:get_bool(inline_fp, Options) of
    true ->
      hipe_x86_ra_x87_ls:ra(Defun, Options);
    false ->
      {Defun,[],0}
  end.
-endif.