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-rw-r--r--lib/hipe/rtl/hipe_tagscheme.erl21
1 files changed, 16 insertions, 5 deletions
diff --git a/lib/hipe/rtl/hipe_tagscheme.erl b/lib/hipe/rtl/hipe_tagscheme.erl
index 4725889d8d..c27c682915 100644
--- a/lib/hipe/rtl/hipe_tagscheme.erl
+++ b/lib/hipe/rtl/hipe_tagscheme.erl
@@ -39,7 +39,7 @@
test_tuple/4, test_atom/4, test_bignum/4, test_pos_bignum/4,
test_any_pid/4, test_any_port/4,
test_ref/4, test_fun/4, test_fun2/5, test_matchstate/4,
- test_binary/4, test_bitstr/4, test_list/4,
+ test_binary/4, test_bitstr/4, test_list/4, test_map/4,
test_integer/4, test_number/4, test_tuple_N/5]).
-export([realtag_fixnum/2, tag_fixnum/2, realuntag_fixnum/2, untag_fixnum/2]).
-export([test_two_fixnums/3, test_fixnums/4, unsafe_fixnum_add/3,
@@ -112,13 +112,15 @@
-define(TAG_HEADER_EXTERNAL_PID, ((16#C bsl ?TAG_PRIMARY_SIZE) bor ?TAG_PRIMARY_HEADER)).
-define(TAG_HEADER_EXTERNAL_PORT,((16#D bsl ?TAG_PRIMARY_SIZE) bor ?TAG_PRIMARY_HEADER)).
-define(TAG_HEADER_EXTERNAL_REF, ((16#E bsl ?TAG_PRIMARY_SIZE) bor ?TAG_PRIMARY_HEADER)).
+-define(TAG_HEADER_MAP, ((16#F bsl ?TAG_PRIMARY_SIZE) bor ?TAG_PRIMARY_HEADER)).
-define(TAG_HEADER_MASK, 16#3F).
-define(HEADER_ARITY_OFFS, 6).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-mk_header(SZ,TAG) -> (SZ bsl ?HEADER_ARITY_OFFS) + TAG.
+mk_header(SZ, TAG) -> (SZ bsl ?HEADER_ARITY_OFFS) + TAG.
+
mk_arityval(SZ) -> mk_header(SZ, ?TAG_HEADER_ARITYVAL).
size_from_header(Sz, Header) ->
@@ -132,9 +134,9 @@ mk_var_header(Header, Size, Tag) ->
mk_fixnum(X) -> (X bsl ?TAG_IMMED1_SIZE) + ?TAG_IMMED1_SMALL.
-define(NIL, ((-1 bsl ?TAG_IMMED2_SIZE) bor ?TAG_IMMED2_NIL)).
-mk_nil() -> ?NIL.
-%% mk_atom(X) -> (X bsl ?TAG_IMMED2_SIZE) + ?TAG_IMMED2_ATOM.
-mk_non_value() -> ?THE_NON_VALUE.
+mk_nil() -> ?NIL.
+%% mk_atom(X) -> (X bsl ?TAG_IMMED2_SIZE) + ?TAG_IMMED2_ATOM.
+mk_non_value() -> ?THE_NON_VALUE.
-spec is_fixnum(integer()) -> boolean().
is_fixnum(N) when is_integer(N) ->
@@ -252,6 +254,15 @@ test_tuple_N(X, N, TrueLab, FalseLab, Pred) ->
hipe_rtl:mk_branch(Tmp, 'eq', hipe_rtl:mk_imm(mk_arityval(N)),
TrueLab, FalseLab, Pred)].
+test_map(X, TrueLab, FalseLab, Pred) ->
+ Tmp = hipe_rtl:mk_new_reg_gcsafe(),
+ HalfTrueLab = hipe_rtl:mk_new_label(),
+ MapMask = ?TAG_HEADER_MASK,
+ [test_is_boxed(X, hipe_rtl:label_name(HalfTrueLab), FalseLab, Pred),
+ HalfTrueLab,
+ get_header(Tmp, X),
+ mask_and_compare(Tmp, MapMask, ?TAG_HEADER_MAP, TrueLab, FalseLab, Pred)].
+
test_ref(X, TrueLab, FalseLab, Pred) ->
Hdr = hipe_rtl:mk_new_reg_gcsafe(),
Tag = hipe_rtl:mk_new_reg_gcsafe(),