The R13B03 release.OTP_R13B03

1 files changed, 63 insertions, 0 deletions

diff --git a/lib/hipe/x86/hipe_x86_ra_x87_ls.erl b/lib/hipe/x86/hipe_x86_ra_x87_ls.erl
new file mode 100644
index 0000000000..6bdb08c6fb
--- /dev/null
+++ b/lib/hipe/x86/hipe_x86_ra_x87_ls.erl
@@ -0,0 +1,63 @@
+%% $Id$
+%%
+%% %CopyrightBegin%
+%% 
+%% Copyright Ericsson AB 2006-2009. 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%
+%%
+
+%% Linear Scan register allocator for x87
+
+-ifdef(HIPE_AMD64).
+-define(HIPE_X86_RA_X87_LS, hipe_amd64_ra_x87_ls).
+-define(HIPE_X86_SPECIFIC_X87, hipe_amd64_specific_x87).
+-define(HIPE_X86_PP, hipe_amd64_pp).
+-define(HIPE_X86_RA_LS, hipe_amd64_ra_ls).
+-else.
+-define(HIPE_X86_RA_X87_LS, hipe_x86_ra_x87_ls).
+-define(HIPE_X86_SPECIFIC_X87, hipe_x86_specific_x87).
+-define(HIPE_X86_PP, hipe_x86_pp).
+-define(HIPE_X86_RA_LS, hipe_x86_ra_ls).
+-endif.
+
+-module(?HIPE_X86_RA_X87_LS).
+-export([ra/2]).
+
+%%-define(DEBUG,1).
+
+-define(HIPE_INSTRUMENT_COMPILER, false). %% Turn off instrumentation.
+-include("../main/hipe.hrl").
+
+ra(Defun, Options) ->
+    ?inc_counter(ra_calls_counter,1),
+    CFG = hipe_x86_cfg:init(Defun),
+    %% ?inc_counter(ra_caller_saves_counter,count_caller_saves(CFG)),
+    SpillIndex = 0,
+    SpillLimit = ?HIPE_X86_SPECIFIC_X87:number_of_temporaries(CFG),
+    ?inc_counter(bbs_counter, length(hipe_x86_cfg:labels(CFG))),
+
+    ?inc_counter(ra_iteration_counter,1),
+    %% ?HIPE_X86_PP:pp(Defun),
+    Cfg = hipe_x86_cfg:init(Defun), % XXX: didn't we just compute this above?
+
+    {Coloring,NewSpillIndex} =
+	?HIPE_X86_RA_LS:regalloc(Cfg,
+				 ?HIPE_X86_SPECIFIC_X87:allocatable(),
+				 [hipe_x86_cfg:start_label(Cfg)],
+				 SpillIndex, SpillLimit, Options,
+				 ?HIPE_X86_SPECIFIC_X87),
+
+    ?add_spills(Options, NewSpillIndex),
+    {Defun, Coloring, NewSpillIndex}.