From 84adefa331c4159d432d22840663c38f155cd4c1 Mon Sep 17 00:00:00 2001
From: Erlang/OTP <otp@erlang.org>
Date: Fri, 20 Nov 2009 14:54:40 +0000
Subject: The R13B03 release.

---
 lib/hipe/regalloc/hipe_ppc_specific_fp.erl | 146 +++++++++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 lib/hipe/regalloc/hipe_ppc_specific_fp.erl

(limited to 'lib/hipe/regalloc/hipe_ppc_specific_fp.erl')

diff --git a/lib/hipe/regalloc/hipe_ppc_specific_fp.erl b/lib/hipe/regalloc/hipe_ppc_specific_fp.erl
new file mode 100644
index 0000000000..35623e7994
--- /dev/null
+++ b/lib/hipe/regalloc/hipe_ppc_specific_fp.erl
@@ -0,0 +1,146 @@
+%% -*- erlang-indent-level: 2 -*-
+%%
+%% %CopyrightBegin%
+%% 
+%% Copyright Ericsson AB 2004-2009. 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%
+%%
+
+-module(hipe_ppc_specific_fp).
+
+%% for hipe_coalescing_regalloc:
+-export([number_of_temporaries/1
+	 ,analyze/1
+	 ,labels/1
+	 ,all_precoloured/0
+	 ,bb/2
+	 ,liveout/2
+	 ,reg_nr/1
+	 ,def_use/1
+	 ,is_move/1
+	 ,is_precoloured/1
+	 ,var_range/1
+	 ,allocatable/0
+	 ,non_alloc/1
+	 ,physical_name/1
+	 ,reverse_postorder/1
+	 ,livein/2
+	 ,uses/1
+	 ,defines/1
+	]).
+
+%% for hipe_graph_coloring_regalloc:
+-export([is_fixed/1]).
+
+%% for hipe_ls_regalloc:
+%%-export([args/1, is_arg/1, is_global, new_spill_index/1]).
+%%-export([breadthorder/1, postorder/1]).
+
+%% callbacks for hipe_regalloc_loop
+-export([defun_to_cfg/1,
+	 check_and_rewrite/2]).
+
+defun_to_cfg(Defun) ->
+  hipe_ppc_cfg:init(Defun).
+
+check_and_rewrite(Defun, Coloring) ->
+  hipe_ppc_ra_postconditions_fp:check_and_rewrite(Defun, Coloring).
+
+reverse_postorder(CFG) ->
+  hipe_ppc_cfg:reverse_postorder(CFG).
+
+non_alloc(_CFG) ->
+  [].
+
+%% Liveness stuff
+
+analyze(CFG) ->
+  hipe_ppc_liveness_fpr:analyse(CFG).
+
+livein(Liveness, L) ->
+  hipe_ppc_liveness_fpr:livein(Liveness, L).
+
+liveout(BB_in_out_liveness, Label) ->
+  hipe_ppc_liveness_fpr:liveout(BB_in_out_liveness, Label).
+
+%% Registers stuff
+
+allocatable() ->
+  hipe_ppc_registers:allocatable_fpr().
+
+all_precoloured() ->
+  allocatable().
+
+is_precoloured(Reg) ->
+  hipe_ppc_registers:is_precoloured_fpr(Reg).
+
+is_fixed(_Reg) ->
+  false.
+
+physical_name(Reg) ->
+  Reg.
+
+%% CFG stuff
+
+labels(CFG) ->
+  hipe_ppc_cfg:labels(CFG).
+
+var_range(_CFG) ->
+  hipe_gensym:var_range(ppc).
+
+number_of_temporaries(_CFG) ->
+  Highest_temporary = hipe_gensym:get_var(ppc),
+  %% Since we can have temps from 0 to Max adjust by +1.
+  Highest_temporary + 1.
+
+bb(CFG, L) ->
+  hipe_ppc_cfg:bb(CFG, L).
+
+%% PowerPC stuff
+
+def_use(I) ->
+  {defines(I), uses(I)}.
+
+uses(I) ->
+  hipe_ppc_defuse:insn_use_fpr(I).
+
+defines(I) ->
+  hipe_ppc_defuse:insn_def_fpr(I).
+
+is_move(I) ->
+  hipe_ppc:is_pseudo_fmove(I).
+ 
+reg_nr(Reg) ->
+  hipe_ppc:temp_reg(Reg).
+
+-ifdef(notdef).
+new_spill_index(SpillIndex) ->
+  SpillIndex+1.
+
+breadthorder(CFG) ->
+  hipe_ppc_cfg:breadthorder(CFG).
+
+postorder(CFG) ->
+  hipe_ppc_cfg:postorder(CFG).
+
+is_global(_R) ->
+  false.
+
+is_arg(_R) ->
+  false.
+
+args(_CFG) ->
+  [].
+-endif.
-- 
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