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-rw-r--r--lib/hipe/regalloc/hipe_x86_specific.erl147
1 files changed, 87 insertions, 60 deletions
diff --git a/lib/hipe/regalloc/hipe_x86_specific.erl b/lib/hipe/regalloc/hipe_x86_specific.erl
index 4edf8674b7..67c45cdca5 100644
--- a/lib/hipe/regalloc/hipe_x86_specific.erl
+++ b/lib/hipe/regalloc/hipe_x86_specific.erl
@@ -25,100 +25,105 @@
-define(HIPE_X86_REGISTERS, hipe_amd64_registers).
-define(HIPE_X86_LIVENESS, hipe_amd64_liveness).
-define(HIPE_X86_DEFUSE, hipe_amd64_defuse).
+-define(HIPE_X86_SUBST, hipe_amd64_subst).
-else.
-define(HIPE_X86_SPECIFIC, hipe_x86_specific).
-define(HIPE_X86_RA_POSTCONDITIONS, hipe_x86_ra_postconditions).
-define(HIPE_X86_REGISTERS, hipe_x86_registers).
-define(HIPE_X86_LIVENESS, hipe_x86_liveness).
-define(HIPE_X86_DEFUSE, hipe_x86_defuse).
+-define(HIPE_X86_SUBST, hipe_x86_subst).
-endif.
-module(?HIPE_X86_SPECIFIC).
--export([number_of_temporaries/1]).
+-export([number_of_temporaries/2]).
%% 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,
- def_use/1,
- is_arg/1, % used by hipe_ls_regalloc
- is_move/1,
- is_fixed/1, % used by hipe_graph_coloring_regalloc
- is_global/1,
- is_precoloured/1,
- reg_nr/1,
- non_alloc/1,
- allocatable/0,
- physical_name/1,
- all_precoloured/0,
- new_spill_index/1, % used by hipe_ls_regalloc
- var_range/1,
- breadthorder/1,
- postorder/1,
- reverse_postorder/1]).
+-export([analyze/2,
+ bb/3,
+ args/2,
+ labels/2,
+ livein/3,
+ liveout/3,
+ uses/2,
+ defines/2,
+ defines_all_alloc/2,
+ def_use/2,
+ is_arg/2, % used by hipe_ls_regalloc
+ is_move/2,
+ is_fixed/2, % used by hipe_graph_coloring_regalloc
+ is_global/2,
+ is_precoloured/2,
+ reg_nr/2,
+ non_alloc/2,
+ allocatable/1,
+ physical_name/2,
+ all_precoloured/1,
+ new_spill_index/2, % used by hipe_ls_regalloc
+ var_range/2,
+ breadthorder/2,
+ postorder/2,
+ reverse_postorder/2]).
%% callbacks for hipe_regalloc_loop
--export([defun_to_cfg/1,
- check_and_rewrite/2]).
+-export([check_and_rewrite/3]).
-defun_to_cfg(Defun) ->
- hipe_x86_cfg:init(Defun).
+%% callbacks for hipe_regalloc_prepass
+-export([new_reg_nr/1,
+ update_reg_nr/3,
+ update_bb/4,
+ subst_temps/3]).
-check_and_rewrite(Defun, Coloring) ->
- ?HIPE_X86_RA_POSTCONDITIONS:check_and_rewrite(Defun, Coloring, 'normal').
+check_and_rewrite(CFG, Coloring, _) ->
+ ?HIPE_X86_RA_POSTCONDITIONS:check_and_rewrite(CFG, Coloring, 'normal').
-reverse_postorder(CFG) ->
+reverse_postorder(CFG, _) ->
hipe_x86_cfg:reverse_postorder(CFG).
-breadthorder(CFG) ->
+breadthorder(CFG, _) ->
hipe_x86_cfg:breadthorder(CFG).
-postorder(CFG) ->
+postorder(CFG, _) ->
hipe_x86_cfg:postorder(CFG).
%% Globally defined registers for linear scan
-is_global(R) ->
+is_global(R, _) ->
?HIPE_X86_REGISTERS:temp1() =:= R orelse
?HIPE_X86_REGISTERS:temp0() =:= R orelse
?HIPE_X86_REGISTERS:is_fixed(R).
-is_fixed(R) ->
+is_fixed(R, _) ->
?HIPE_X86_REGISTERS:is_fixed(R).
-is_arg(R) ->
+is_arg(R, _) ->
?HIPE_X86_REGISTERS:is_arg(R).
-args(CFG) ->
+args(CFG, _) ->
?HIPE_X86_REGISTERS:args(hipe_x86_cfg:arity(CFG)).
-non_alloc(CFG) ->
- non_alloc(?HIPE_X86_REGISTERS:nr_args(), hipe_x86_cfg:params(CFG)).
+non_alloc(CFG, _) ->
+ non_alloc_1(?HIPE_X86_REGISTERS:nr_args(), hipe_x86_cfg:params(CFG)).
%% same as hipe_x86_frame:fix_formals/2
-non_alloc(0, Rest) -> Rest;
-non_alloc(N, [_|Rest]) -> non_alloc(N-1, Rest);
-non_alloc(_, []) -> [].
+non_alloc_1(0, Rest) -> Rest;
+non_alloc_1(N, [_|Rest]) -> non_alloc_1(N-1, Rest);
+non_alloc_1(_, []) -> [].
%% Liveness stuff
-analyze(CFG) ->
+analyze(CFG, _) ->
?HIPE_X86_LIVENESS:analyze(CFG).
-livein(Liveness,L) ->
+livein(Liveness,L,_) ->
[X || X <- ?HIPE_X86_LIVENESS:livein(Liveness,L),
hipe_x86:temp_is_allocatable(X),
hipe_x86:temp_reg(X) =/= ?HIPE_X86_REGISTERS:fcalls(),
hipe_x86:temp_reg(X) =/= ?HIPE_X86_REGISTERS:heap_limit(),
hipe_x86:temp_type(X) =/= 'double'].
-liveout(BB_in_out_liveness,Label) ->
+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_reg(X) =/= ?HIPE_X86_REGISTERS:fcalls(),
@@ -127,37 +132,40 @@ liveout(BB_in_out_liveness,Label) ->
%% Registers stuff
-allocatable() ->
+allocatable(_) ->
?HIPE_X86_REGISTERS:allocatable().
-all_precoloured() ->
+all_precoloured(_) ->
?HIPE_X86_REGISTERS:all_precoloured().
-is_precoloured(Reg) ->
+is_precoloured(Reg,_) ->
?HIPE_X86_REGISTERS:is_precoloured(Reg).
-physical_name(Reg) ->
+physical_name(Reg,_) ->
Reg.
%% CFG stuff
-labels(CFG) ->
+labels(CFG,_) ->
hipe_x86_cfg:labels(CFG).
-var_range(_CFG) ->
+var_range(_CFG,_) ->
hipe_gensym:var_range(x86).
-number_of_temporaries(_CFG) ->
+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) ->
+bb(CFG,L,_) ->
hipe_x86_cfg:bb(CFG,L).
+update_bb(CFG,L,BB,_) ->
+ hipe_x86_cfg:bb_add(CFG,L,BB).
+
%% X86 stuff
-def_use(Instruction) ->
+def_use(Instruction,_) ->
{[X || X <- ?HIPE_X86_DEFUSE:insn_def(Instruction),
hipe_x86:temp_is_allocatable(X),
hipe_x86:temp_type(X) =/= 'double'],
@@ -166,17 +174,19 @@ def_use(Instruction) ->
hipe_x86:temp_type(X) =/= 'double']
}.
-uses(I) ->
+uses(I,_) ->
[X || X <- ?HIPE_X86_DEFUSE:insn_use(I),
hipe_x86:temp_is_allocatable(X),
hipe_x86:temp_type(X) =/= 'double'].
-defines(I) ->
+defines(I,_) ->
[X || X <- ?HIPE_X86_DEFUSE:insn_def(I),
hipe_x86:temp_is_allocatable(X),
hipe_x86:temp_type(X) =/= 'double'].
-is_move(Instruction) ->
+defines_all_alloc(I,_) -> ?HIPE_X86_DEFUSE:insn_defs_all(I).
+
+is_move(Instruction,_) ->
case hipe_x86:is_move(Instruction) of
true ->
Src = hipe_x86:move_src(Instruction),
@@ -197,8 +207,25 @@ is_move(Instruction) ->
false -> false
end.
-reg_nr(Reg) ->
+reg_nr(Reg,_) ->
hipe_x86:temp_reg(Reg).
-new_spill_index(SpillIndex) when is_integer(SpillIndex) ->
+new_reg_nr(_) ->
+ hipe_gensym:get_next_var(x86).
+
+update_reg_nr(Nr, Temp, _) ->
+ hipe_x86:mk_temp(Nr, hipe_x86:temp_type(Temp)).
+
+subst_temps(SubstFun, Instr, _) ->
+ ?HIPE_X86_SUBST:insn_temps(
+ fun(Op) ->
+ case hipe_x86:temp_is_allocatable(Op)
+ andalso hipe_x86:temp_type(Op) =/= 'double'
+ of
+ true -> SubstFun(Op);
+ false -> Op
+ end
+ end, Instr).
+
+new_spill_index(SpillIndex, _) when is_integer(SpillIndex) ->
SpillIndex+1.