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-rw-r--r--lib/hipe/rtl/hipe_rtl_binary_construct.erl30
1 files changed, 17 insertions, 13 deletions
diff --git a/lib/hipe/rtl/hipe_rtl_binary_construct.erl b/lib/hipe/rtl/hipe_rtl_binary_construct.erl
index 29993b9715..692bad7d96 100644
--- a/lib/hipe/rtl/hipe_rtl_binary_construct.erl
+++ b/lib/hipe/rtl/hipe_rtl_binary_construct.erl
@@ -2,18 +2,19 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2009. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2015. All Rights Reserved.
%%
-%% The contents of this file are subject to the Erlang Public License,
-%% Version 1.1, (the "License"); you may not use this file except in
-%% compliance with the License. You should have received a copy of the
-%% Erlang Public License along with this software. If not, it can be
-%% retrieved online at http://www.erlang.org/.
-%%
-%% Software distributed under the License is distributed on an "AS IS"
-%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-%% the License for the specific language governing rights and limitations
-%% under the License.
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
%%
%% %CopyrightEnd%
%%
@@ -1191,7 +1192,10 @@ copy_little_word(Base, Offset, NewOffset, Word) ->
hipe_rtl:mk_store(Base, TmpOffset, Word, byte),
hipe_rtl:mk_alu(NewOffset, Offset, 'add', hipe_rtl:mk_imm(32))].
-copy_offset_int_big(Base, Offset, NewOffset, Size, Tmp1) when is_integer(Size) ->
+copy_offset_int_big(_Base, Offset, NewOffset, 0, _Tmp1) ->
+ [hipe_rtl:mk_move(NewOffset, Offset)];
+copy_offset_int_big(Base, Offset, NewOffset, Size, Tmp1)
+ when is_integer(Size), Size > 0 ->
Tmp2 = hipe_rtl:mk_new_reg(),
Tmp3 = hipe_rtl:mk_new_reg(),
Tmp4 = hipe_rtl:mk_new_reg(),
@@ -1202,7 +1206,7 @@ copy_offset_int_big(Base, Offset, NewOffset, Size, Tmp1) when is_integer(Size) -
Tmp9 = hipe_rtl:mk_new_reg(),
OldByte = hipe_rtl:mk_new_reg(),
TmpOffset = hipe_rtl:mk_new_reg(),
- BranchLbl = hipe_rtl:mk_new_label(),
+ BranchLbl = hipe_rtl:mk_new_label(),
BodyLbl = hipe_rtl:mk_new_label(),
EndLbl = hipe_rtl:mk_new_label(),
NextLbl = hipe_rtl:mk_new_label(),