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authorSverker Eriksson <[email protected]>2016-09-02 14:51:25 +0200
committerSverker Eriksson <[email protected]>2016-09-02 14:51:25 +0200
commitc2f8b61ca3682281752fa0984699214dfcbf7ccd (patch)
tree3f44fa5c58d0d0d845045c3c5535aefad333b6dd /lib/hipe/regalloc/hipe_ls_regalloc.erl
parent87643cf92c061d7518299fdebb326e315c32e528 (diff)
parenta19e3f0e1e82b793d58f9ef0db907ba637793fb6 (diff)
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Merge branch 'sverker/hipe-performance-o1/PR-1154/OTP-13862'
* sverker/hipe-performance-o1/PR-1154: hipe_sparc: Minimise CFG<->linear conversions hipe_ppc: Minimise CFG<->linear conversions hipe_arm: Minimise CFG<->linear conversions hipe_x86: Use lea instead of move+add hipe_arm: Improve peephole optimiser hipe_arm: Be resilient to crappy RTL hipe_ppc: Be resilient to crappy RTL hipe_sparc: Be resilient to crappy RTL hipe: Reuse liveness info for spillmin hipe_x86: Minimise CFG<->linear conversions hipe: Fix o0 and o1 hipe: Add o0 and o1 to tests hipe_rtl_binary:get_word_integer/4: Handle imms hipe_x86: Be resilient to crappy RTL hipe_x86: LSRA for SSE2
Diffstat (limited to 'lib/hipe/regalloc/hipe_ls_regalloc.erl')
-rw-r--r--lib/hipe/regalloc/hipe_ls_regalloc.erl20
1 files changed, 14 insertions, 6 deletions
diff --git a/lib/hipe/regalloc/hipe_ls_regalloc.erl b/lib/hipe/regalloc/hipe_ls_regalloc.erl
index d24b803524..c318927077 100644
--- a/lib/hipe/regalloc/hipe_ls_regalloc.erl
+++ b/lib/hipe/regalloc/hipe_ls_regalloc.erl
@@ -56,7 +56,7 @@
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-module(hipe_ls_regalloc).
--export([regalloc/7]).
+-export([regalloc/7, regalloc/8]).
%%-define(DEBUG,1).
-define(HIPE_INSTRUMENT_COMPILER, true).
@@ -96,10 +96,18 @@
%% @end
%%- - - - - - - - - - - - - - - - - - - - - - - -
regalloc(CFG, PhysRegs, Entrypoints, SpillIndex, DontSpill, Options, Target) ->
+ regalloc(CFG, undefined, PhysRegs, Entrypoints, SpillIndex, DontSpill, Options, Target).
+
+regalloc(CFG, Liveness0, PhysRegs, Entrypoints, SpillIndex, DontSpill, Options, Target) ->
?debug_msg("LinearScan: ~w\n", [erlang:statistics(runtime)]),
%% Step 1: Calculate liveness (Call external implementation.)
- Liveness = liveness(CFG, Target),
- ?debug_msg("liveness (done)~w\n", [erlang:statistics(runtime)]),
+ Liveness = case Liveness0 of
+ undefined ->
+ L=liveness(CFG, Target),
+ ?debug_msg("liveness (done)~w\n", [erlang:statistics(runtime)]),
+ L;
+ _ -> Liveness0
+ end,
USIntervals = calculate_intervals(CFG, Liveness,
Entrypoints, Options, Target),
?debug_msg("intervals (done) ~w\n", [erlang:statistics(runtime)]),
@@ -108,10 +116,10 @@ regalloc(CFG, PhysRegs, Entrypoints, SpillIndex, DontSpill, Options, Target) ->
%% ?debug_msg("Intervals ~w\n", [Intervals]),
?debug_msg("No intervals: ~w\n",[length(Intervals)]),
?debug_msg("count intervals (done) ~w\n", [erlang:statistics(runtime)]),
- Allocation = allocate(Intervals, PhysRegs, SpillIndex, DontSpill, Target),
+ {Coloring, NewSpillIndex}
+ = allocate(Intervals, PhysRegs, SpillIndex, DontSpill, Target),
?debug_msg("allocation (done) ~w\n", [erlang:statistics(runtime)]),
- Allocation.
-
+ {Coloring, NewSpillIndex, Liveness}.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% %%