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-rw-r--r--lib/hipe/x86/hipe_x86_frame.erl23
1 files changed, 14 insertions, 9 deletions
diff --git a/lib/hipe/x86/hipe_x86_frame.erl b/lib/hipe/x86/hipe_x86_frame.erl
index 8851ead250..4cdc04007d 100644
--- a/lib/hipe/x86/hipe_x86_frame.erl
+++ b/lib/hipe/x86/hipe_x86_frame.erl
@@ -622,26 +622,31 @@ find_temps([I|Insns], S0) ->
find_temps([], S) ->
S.
+-compile({inline, [tset_empty/0, tset_size/1, tset_insert/2,
+ tset_filter/2, tset_to_list/1]}).
+
tset_empty() ->
- gb_sets:new().
+ #{}.
tset_size(S) ->
- gb_sets:size(S).
+ map_size(S).
tset_insert(S, T) ->
- gb_sets:add_element(T, S).
+ S#{T => []}.
-tset_add_list(S, Ts) ->
- gb_sets:union(S, gb_sets:from_list(Ts)).
+tset_add_list(S, []) -> S;
+tset_add_list(S, [T|Ts]) ->
+ tset_add_list(S#{T => []}, Ts).
-tset_del_list(S, Ts) ->
- gb_sets:subtract(S, gb_sets:from_list(Ts)).
+tset_del_list(S, []) -> S;
+tset_del_list(S, [T|Ts]) ->
+ tset_del_list(maps:remove(T,S), Ts).
tset_filter(S, F) ->
- gb_sets:filter(F, S).
+ maps:filter(fun(K, _V) -> F(K) end, S).
tset_to_list(S) ->
- gb_sets:to_list(S).
+ maps:keys(S).
%%%
%%% Compute minimum permissible frame size, ignoring spilled temps.