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authorMagnus Lång <[email protected]>2016-03-17 21:48:55 +0100
committerMagnus Lång <[email protected]>2016-08-30 17:17:59 +0200
commitc7a0cd1b5710178878d9b240f634e9eda7e68d96 (patch)
treeb287178ec0495d089857287df7e78b1ca119422c /lib/hipe/opt/hipe_spillmin_scan.erl
parentdc4e9384c6f2f733ab0d12727ab53238bda3fbca (diff)
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hipe: Reuse liveness info for spillmin
For x86, additionally reuse liveness from float LSRA for the GP LSRA.
Diffstat (limited to 'lib/hipe/opt/hipe_spillmin_scan.erl')
-rw-r--r--lib/hipe/opt/hipe_spillmin_scan.erl12
1 files changed, 3 insertions, 9 deletions
diff --git a/lib/hipe/opt/hipe_spillmin_scan.erl b/lib/hipe/opt/hipe_spillmin_scan.erl
index 06b68e1934..53cbc0014b 100644
--- a/lib/hipe/opt/hipe_spillmin_scan.erl
+++ b/lib/hipe/opt/hipe_spillmin_scan.erl
@@ -60,7 +60,7 @@
-module(hipe_spillmin_scan).
--export([stackalloc/6]).
+-export([stackalloc/7]).
%%-define(DEBUG, 1).
-define(HIPE_INSTRUMENT_COMPILER, true).
@@ -85,15 +85,12 @@
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
--spec stackalloc(#cfg{}, [_], non_neg_integer(),
+-spec stackalloc(#cfg{}, _, [_], non_neg_integer(),
comp_options(), module(), hipe_temp_map()) ->
{hipe_spill_map(), non_neg_integer()}.
-stackalloc(CFG, StackSlots, SpillIndex, Options, Target, TempMap) ->
+stackalloc(CFG, Liveness, StackSlots, SpillIndex, Options, Target, TempMap) ->
?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)]),
USIntervals = calculate_intervals(CFG, Liveness, Options,
Target, TempMap),
%% ?debug_msg("intervals (done) ~w\n", [erlang:statistics(runtime)]),
@@ -538,9 +535,6 @@ extend_interval(Pos, {Beginning, End})
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-liveness(CFG, Target) ->
- Target:analyze(CFG).
-
bb(CFG, L, Target) ->
Target:bb(CFG, L).