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authorSverker Eriksson <[email protected]>2017-08-30 21:00:35 +0200
committerSverker Eriksson <[email protected]>2017-08-30 21:00:35 +0200
commit44a83c8860bbd00878c720a7b9d940b4630bab8a (patch)
tree101b3c52ec505a94f56c8f70e078ecb8a2e8c6cd /lib/hipe/x86/hipe_x86_ra_ls.erl
parent7c67bbddb53c364086f66260701bc54a61c9659c (diff)
parent040bdce67f88d833bfb59adae130a4ffb4c180f0 (diff)
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Merge tag 'OTP-20.0' into sverker/20/binary_to_atom-utf8-crash/ERL-474/OTP-14590
Diffstat (limited to 'lib/hipe/x86/hipe_x86_ra_ls.erl')
-rw-r--r--lib/hipe/x86/hipe_x86_ra_ls.erl74
1 files changed, 46 insertions, 28 deletions
diff --git a/lib/hipe/x86/hipe_x86_ra_ls.erl b/lib/hipe/x86/hipe_x86_ra_ls.erl
index 3e34433111..581abd299d 100644
--- a/lib/hipe/x86/hipe_x86_ra_ls.erl
+++ b/lib/hipe/x86/hipe_x86_ra_ls.erl
@@ -1,9 +1,5 @@
%%% -*- erlang-indent-level: 2 -*-
%%%
-%%% %CopyrightBegin%
-%%%
-%%% Copyright Ericsson AB 2001-2016. All Rights Reserved.
-%%%
%%% Licensed under the Apache License, Version 2.0 (the "License");
%%% you may not use this file except in compliance with the License.
%%% You may obtain a copy of the License at
@@ -15,8 +11,6 @@
%%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%%% See the License for the specific language governing permissions and
%%% limitations under the License.
-%%%
-%%% %CopyrightEnd%
%%%
%%% Linear Scan register allocator for x86
@@ -35,41 +29,64 @@
-endif.
-module(?HIPE_X86_RA_LS).
--export([ra/3,regalloc/7]).
+-export([ra/4,ra_fp/5]).
-define(HIPE_INSTRUMENT_COMPILER, true). %% Turn on instrumentation.
-include("../main/hipe.hrl").
-ra(Defun, SpillIndex, Options) ->
- NewDefun = Defun, %% hipe_${ARCH}_ra_rename:rename(Defun,Options),
- CFG = hipe_x86_cfg:init(NewDefun),
-
+ra(CFG, Liveness, SpillIndex, Options) ->
SpillLimit = ?HIPE_X86_SPECIFIC:number_of_temporaries(
- CFG),
+ CFG, no_context),
+ ?inc_counter(bbs_counter, length(hipe_x86_cfg:labels(CFG))),
+ alloc(CFG, Liveness, SpillIndex, SpillLimit, Options).
+
+ra_fp(CFG, Liveness, Options, TargetMod, TargetCtx) ->
+ ?inc_counter(ra_calls_counter,1),
+ %% ?inc_counter(ra_caller_saves_counter,count_caller_saves(CFG)),
+ SpillIndex = 0,
+ SpillLimit = TargetMod:number_of_temporaries(CFG, TargetCtx),
?inc_counter(bbs_counter, length(hipe_x86_cfg:labels(CFG))),
- alloc(NewDefun, SpillIndex, SpillLimit, Options).
+ ?inc_counter(ra_iteration_counter,1),
+ %% ?HIPE_X86_PP:pp(Defun),
+
+ {Coloring,NewSpillIndex} =
+ regalloc(CFG, Liveness,
+ TargetMod:allocatable('linearscan', TargetCtx),
+ [hipe_x86_cfg:start_label(CFG)],
+ SpillIndex, SpillLimit, Options,
+ TargetMod, TargetCtx),
+
+ {NewCFG, _DidSpill} =
+ TargetMod:check_and_rewrite(CFG, Coloring, 'linearscan', TargetCtx),
+ TempMap = hipe_temp_map:cols2tuple(Coloring, TargetMod, TargetCtx),
+ {TempMap2, NewSpillIndex2} =
+ hipe_spillmin:stackalloc(CFG, Liveness, [], SpillIndex, Options,
+ TargetMod, TargetCtx, TempMap),
+ Coloring2 =
+ hipe_spillmin:mapmerge(hipe_temp_map:to_substlist(TempMap), TempMap2),
+ ?add_spills(Options, NewSpillIndex),
+ {NewCFG, Liveness, Coloring2, NewSpillIndex2}.
-alloc(Defun, SpillIndex, SpillLimit, Options) ->
+alloc(CFG, Liveness, SpillIndex, SpillLimit, Options) ->
?inc_counter(ra_iteration_counter,1),
%% ?HIPE_X86_PP:pp(Defun),
- CFG = hipe_x86_cfg:init(Defun),
- {Coloring, NewSpillIndex} =
+ {Coloring, NewSpillIndex} =
regalloc(
- CFG,
+ CFG, Liveness,
?HIPE_X86_REGISTERS:allocatable()--
[?HIPE_X86_REGISTERS:temp1(),
?HIPE_X86_REGISTERS:temp0()],
[hipe_x86_cfg:start_label(CFG)],
SpillIndex, SpillLimit, Options,
- ?HIPE_X86_SPECIFIC),
- {NewDefun, _DidSpill} =
+ ?HIPE_X86_SPECIFIC, no_context),
+ {NewCFG, _DidSpill} =
?HIPE_X86_RA_POSTCONDITIONS:check_and_rewrite(
- Defun, Coloring, 'linearscan'),
+ CFG, Coloring, 'linearscan'),
%% ?HIPE_X86_PP:pp(NewDefun),
- TempMap = hipe_temp_map:cols2tuple(Coloring, ?HIPE_X86_SPECIFIC),
- {TempMap2,NewSpillIndex2} =
- hipe_spillmin:stackalloc(CFG, [], SpillIndex, Options,
- ?HIPE_X86_SPECIFIC, TempMap),
+ TempMap = hipe_temp_map:cols2tuple(Coloring, ?HIPE_X86_SPECIFIC, no_context),
+ {TempMap2,NewSpillIndex2} =
+ hipe_spillmin:stackalloc(CFG, Liveness, [], SpillIndex, Options,
+ ?HIPE_X86_SPECIFIC, no_context, TempMap),
Coloring2 =
hipe_spillmin:mapmerge(hipe_temp_map:to_substlist(TempMap), TempMap2),
case proplists:get_bool(verbose_spills, Options) of
@@ -79,8 +96,9 @@ alloc(Defun, SpillIndex, SpillLimit, Options) ->
ok
end,
?add_spills(Options, NewSpillIndex),
- {NewDefun, Coloring2}.
+ {NewCFG, Liveness, Coloring2}.
-regalloc(CFG,PhysRegs,Entrypoints, SpillIndex, DontSpill, Options, Target) ->
- hipe_ls_regalloc:regalloc(CFG,PhysRegs,Entrypoints, SpillIndex,
- DontSpill, Options, Target).
+regalloc(CFG, Liveness, PhysRegs, Entrypoints, SpillIndex, DontSpill, Options,
+ TgtMod, TgtCtx) ->
+ hipe_ls_regalloc:regalloc(CFG, Liveness, PhysRegs, Entrypoints, SpillIndex,
+ DontSpill, Options, TgtMod, TgtCtx).