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-rw-r--r--lib/hipe/rtl/hipe_tagscheme.erl23
1 files changed, 16 insertions, 7 deletions
diff --git a/lib/hipe/rtl/hipe_tagscheme.erl b/lib/hipe/rtl/hipe_tagscheme.erl
index d77078acb6..8825a3ade3 100644
--- a/lib/hipe/rtl/hipe_tagscheme.erl
+++ b/lib/hipe/rtl/hipe_tagscheme.erl
@@ -42,7 +42,7 @@
test_ref/4, test_fun/4, test_fun2/5, test_matchstate/4,
test_binary/4, test_bitstr/4, test_list/4, test_map/4,
test_integer/4, test_number/4, test_tuple_N/5,
- test_pos_bignum_arity/5]).
+ test_pos_bignum_arity/6]).
-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,
unsafe_fixnum_sub/3,
@@ -351,14 +351,23 @@ test_pos_bignum(X, TrueLab, FalseLab, Pred) ->
mask_and_compare(Tmp, BigMask, ?TAG_HEADER_POS_BIG,
TrueLab, FalseLab, Pred)].
-test_pos_bignum_arity(X, Arity, TrueLab, FalseLab, Pred) ->
+test_pos_bignum_arity(X, Arity, TrueLab, NotPosBignumLab, FalseLab, Pred) ->
Tmp = hipe_rtl:mk_new_reg_gcsafe(),
- HalfTrueLab = hipe_rtl:mk_new_label(),
+ BoxedLab = hipe_rtl:mk_new_label(),
HeaderImm = hipe_rtl:mk_imm(mk_header(Arity, ?TAG_HEADER_POS_BIG)),
- [test_is_boxed(X, hipe_rtl:label_name(HalfTrueLab), FalseLab, Pred),
- HalfTrueLab,
- get_header(Tmp, X),
- hipe_rtl:mk_branch(Tmp, 'eq', HeaderImm, TrueLab, FalseLab, Pred)].
+ [test_is_boxed(X, hipe_rtl:label_name(BoxedLab), NotPosBignumLab, Pred),
+ BoxedLab,
+ get_header(Tmp, X)] ++
+ case NotPosBignumLab =:= FalseLab of
+ true -> [];
+ false ->
+ BignumLab = hipe_rtl:mk_new_label(),
+ BigMask = ?TAG_HEADER_MASK,
+ [mask_and_compare(Tmp, BigMask, ?TAG_HEADER_POS_BIG,
+ hipe_rtl:label_name(BignumLab), NotPosBignumLab, Pred),
+ BignumLab]
+ end ++
+ [hipe_rtl:mk_branch(Tmp, 'eq', HeaderImm, TrueLab, FalseLab, Pred)].
test_matchstate(X, TrueLab, FalseLab, Pred) ->
Tmp = hipe_rtl:mk_new_reg_gcsafe(),