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-rw-r--r--lib/hipe/rtl/hipe_rtl_binary_match.erl23
1 files changed, 13 insertions, 10 deletions
diff --git a/lib/hipe/rtl/hipe_rtl_binary_match.erl b/lib/hipe/rtl/hipe_rtl_binary_match.erl
index 364aab1b6f..37263a951a 100644
--- a/lib/hipe/rtl/hipe_rtl_binary_match.erl
+++ b/lib/hipe/rtl/hipe_rtl_binary_match.erl
@@ -2,7 +2,7 @@
%%%
%%% %CopyrightBegin%
%%%
-%%% Copyright Ericsson AB 2007-2013. All Rights Reserved.
+%%% Copyright Ericsson AB 2007-2015. All Rights Reserved.
%%%
%%% Licensed under the Apache License, Version 2.0 (the "License");
%%% you may not use this file except in compliance with the License.
@@ -181,17 +181,20 @@ gen_rtl({bs_get_binary, Size, Flags}, [Dst, NewMs], Args,
[hipe_rtl:mk_goto(FalseLblName)];
false ->
Unsafe = unsafe(Flags),
- case Args of
- [Ms] ->
- SizeReg = hipe_rtl:mk_new_reg(),
- SizeCode = [hipe_rtl:mk_move(SizeReg, hipe_rtl:mk_imm(Size))];
- [Ms, BitsVar] ->
- {SizeCode, SizeReg} = make_size(Size, BitsVar, FalseLblName)
- end,
- InCode = get_binary(Dst, Ms, SizeReg, Unsafe,
+ {OldMs, SizeReg, SizeCode} =
+ case Args of
+ [Ms] ->
+ SzReg = hipe_rtl:mk_new_reg(),
+ SzCode = [hipe_rtl:mk_move(SzReg, hipe_rtl:mk_imm(Size))],
+ {Ms, SzReg, SzCode};
+ [Ms, BitsVar] ->
+ {SzCode, SzReg} = make_size(Size, BitsVar, FalseLblName),
+ {Ms, SzReg, SzCode}
+ end,
+ InCode = get_binary(Dst, OldMs, SizeReg, Unsafe,
TrueLblName, FalseLblName),
[hipe_rtl:mk_gctest(?SUB_BIN_WORDSIZE)] ++
- update_ms(NewMs, Ms) ++ SizeCode ++ InCode
+ update_ms(NewMs, OldMs) ++ SizeCode ++ InCode
end;
%% ----- bs_get_utf8 -----
gen_rtl(bs_get_utf8, [Dst, NewMs], [Ms], TrueLblName, FalseLblName) ->