From c7a0cd1b5710178878d9b240f634e9eda7e68d96 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Magnus=20L=C3=A5ng?= Date: Thu, 17 Mar 2016 21:48:55 +0100 Subject: hipe: Reuse liveness info for spillmin For x86, additionally reuse liveness from float LSRA for the GP LSRA. --- lib/hipe/opt/hipe_spillmin_color.erl | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) (limited to 'lib/hipe/opt/hipe_spillmin_color.erl') diff --git a/lib/hipe/opt/hipe_spillmin_color.erl b/lib/hipe/opt/hipe_spillmin_color.erl index 7c23de44b4..9c62fdf11a 100644 --- a/lib/hipe/opt/hipe_spillmin_color.erl +++ b/lib/hipe/opt/hipe_spillmin_color.erl @@ -41,7 +41,7 @@ -module(hipe_spillmin_color). --export([stackalloc/6]). +-export([stackalloc/7]). %%-ifndef(DO_ASSERT). %%-define(DO_ASSERT, true). @@ -66,13 +66,13 @@ %% where Location is {spill,M}. %% {spill,M} denotes the Mth spilled node --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, Live, _StackSlots, SpillIndex, _Options, Target, TempMap) -> ?report2("building IG~n", []), - {IG, NumNodes} = build_ig(CFG, Target, TempMap), + {IG, NumNodes} = build_ig(CFG, Live, Target, TempMap), {Cols, MaxColors} = color_heuristic(IG, 0, NumNodes, NumNodes, NumNodes, Target, 1), SortedCols = lists:sort(Cols), @@ -167,8 +167,8 @@ remap_temp_map0(Cols, [_Y|Ys], SpillIndex) -> %% Returns {Interference_graph, Number_Of_Nodes} %% -build_ig(CFG, Target, TempMap) -> - try build_ig0(CFG, Target, TempMap) +build_ig(CFG, Live, Target, TempMap) -> + try build_ig0(CFG, Live, Target, TempMap) catch error:Rsn -> exit({regalloc, build_ig, Rsn}) end. @@ -185,8 +185,7 @@ setup_ets0([X|Xs], Table, N) -> ets:insert(Table, {X, N}), setup_ets0(Xs, Table, N+1). -build_ig0(CFG, Target, TempMap) -> - Live = Target:analyze(CFG), +build_ig0(CFG, Live, Target, TempMap) -> TempMapping = map_spilled_temporaries(TempMap), TempMappingTable = setup_ets(TempMapping), NumSpilled = length(TempMapping), -- cgit v1.2.3