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authorErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
committerErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
commit84adefa331c4159d432d22840663c38f155cd4c1 (patch)
treebff9a9c66adda4df2106dfd0e5c053ab182a12bd /lib/hipe/regalloc/hipe_x86_specific_x87.erl
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The R13B03 release.OTP_R13B03
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+%% -*- erlang-indent-level: 2 -*-
+%%
+%% %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%
+%%
+
+-ifdef(HIPE_AMD64).
+-define(HIPE_X86_SPECIFIC_X87, hipe_amd64_specific_x87).
+-define(HIPE_X86_LIVENESS, hipe_amd64_liveness).
+-define(HIPE_X86_REGISTERS, hipe_amd64_registers).
+-define(HIPE_X86_DEFUSE, hipe_amd64_defuse).
+-else.
+-define(HIPE_X86_SPECIFIC_X87, hipe_x86_specific_x87).
+-define(HIPE_X86_LIVENESS, hipe_x86_liveness).
+-define(HIPE_X86_REGISTERS, hipe_x86_registers).
+-define(HIPE_X86_DEFUSE, hipe_x86_defuse).
+-endif.
+
+-module(?HIPE_X86_SPECIFIC_X87).
+-export([allocatable/0,
+ is_precoloured/1,
+ %% var_range/1,
+ %% def_use/1,
+ %% is_fixed/1,
+ is_arg/1,
+ %% non_alloc/1,
+ new_spill_index/1,
+ number_of_temporaries/1
+ ]).
+
+%% The following exports are used as M:F(...) calls from other modules;
+%% e.g. hipe_x86_ra_ls.
+-export([analyze/1,
+ bb/2,
+ args/1,
+ labels/1,
+ livein/2,
+ liveout/2,
+ uses/1,
+ defines/1,
+ is_global/1,
+ reg_nr/1,
+ physical_name/1,
+ breadthorder/1,
+ postorder/1,
+ reverse_postorder/1]).
+
+breadthorder(CFG) ->
+ hipe_x86_cfg:breadthorder(CFG).
+postorder(CFG) ->
+ hipe_x86_cfg:postorder(CFG).
+reverse_postorder(CFG) ->
+ hipe_x86_cfg:reverse_postorder(CFG).
+
+is_global(_) ->
+ false.
+
+-ifdef(notdef).
+is_fixed(_) ->
+ false.
+-endif.
+
+is_arg(_) ->
+ false.
+
+args(_) ->
+ [].
+
+-ifdef(notdef).
+non_alloc(_) ->
+ [].
+-endif.
+
+%% Liveness stuff
+
+analyze(CFG) ->
+ ?HIPE_X86_LIVENESS:analyze(CFG).
+
+livein(Liveness,L) ->
+ [X || X <- ?HIPE_X86_LIVENESS:livein(Liveness,L),
+ hipe_x86:temp_is_allocatable(X),
+ hipe_x86:temp_type(X) =:= 'double'].
+
+liveout(BB_in_out_liveness,Label) ->
+ [X || X <- ?HIPE_X86_LIVENESS:liveout(BB_in_out_liveness,Label),
+ hipe_x86:temp_is_allocatable(X),
+ hipe_x86:temp_type(X) =:= 'double'].
+
+%% Registers stuff
+
+allocatable() ->
+ ?HIPE_X86_REGISTERS:allocatable_x87().
+
+is_precoloured(Reg) ->
+ ?HIPE_X86_REGISTERS:is_precoloured_x87(Reg).
+
+physical_name(Reg) ->
+ Reg.
+
+%% CFG stuff
+
+labels(CFG) ->
+ hipe_x86_cfg:labels(CFG).
+
+-ifdef(notdef).
+var_range(_CFG) ->
+ {Min,Max} = hipe_gensym:var_range(x86),
+ %% io:format("Var_range: ~w\n",[{Min,Max}]),
+ {Min,Max}.
+-endif.
+
+number_of_temporaries(_CFG) ->
+ Highest_temporary = hipe_gensym:get_var(x86),
+ %% Since we can have temps from 0 to Max adjust by +1.
+ Highest_temporary + 1.
+
+bb(CFG,L) ->
+ hipe_x86_cfg:bb(CFG,L).
+
+%% X86 stuff
+
+-ifdef(notdef).
+def_use(Instruction) ->
+ {[X || X <- ?HIPE_X86_DEFUSE:insn_def(Instruction),
+ hipe_x86:temp_is_allocatable(X),
+ temp_is_double(X)],
+ [X || X <- ?HIPE_X86_DEFUSE:insn_use(Instruction),
+ hipe_x86:temp_is_allocatable(X),
+ temp_is_double(X)]
+ }.
+-endif.
+
+uses(I) ->
+ [X || X <- ?HIPE_X86_DEFUSE:insn_use(I),
+ hipe_x86:temp_is_allocatable(X),
+ temp_is_double(X)].
+
+defines(I) ->
+ [X || X <- ?HIPE_X86_DEFUSE:insn_def(I),
+ hipe_x86:temp_is_allocatable(X),
+ temp_is_double(X)].
+
+temp_is_double(Temp) ->
+ hipe_x86:temp_type(Temp) =:= 'double'.
+
+reg_nr(Reg) ->
+ hipe_x86:temp_reg(Reg).
+
+new_spill_index(SpillIndex) ->
+ SpillIndex+1.