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author | Zandra <[email protected]> | 2016-02-02 11:24:51 +0100 |
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committer | Zandra <[email protected]> | 2016-02-02 11:24:51 +0100 |
commit | 61ef7511c5ffae0b061d7cc45e9d564b02b891db (patch) | |
tree | a658adcfc0006d1a79f4bc36ce5f6efc8ccceedf /lib/hipe/icode/hipe_icode_range.erl | |
parent | 7cb403e4aa044fd2cc7702dbe8e2d0eea68e81f3 (diff) | |
parent | 34380bad4985bc827866129597e0bea940e076f4 (diff) | |
download | otp-61ef7511c5ffae0b061d7cc45e9d564b02b891db.tar.gz otp-61ef7511c5ffae0b061d7cc45e9d564b02b891db.tar.bz2 otp-61ef7511c5ffae0b061d7cc45e9d564b02b891db.zip |
Merge branch 'margnus1/bs_unit_fix' into maint
* margnus1/bs_unit_fix:
hipe: Fix signed compares of unsigned sizes
beam: Fix overflow bug in i_bs_add_jId
hipe: Add tests for bad bit syntax float sizes
Add a case testing the handling of guards involving binaries
Add some more binary syntax construction tests
hipe: Guard against enormous numbers in ranges
hipe: Fix constructing huge binaries
hipe: Fix binary constructions failing with badarith
Add missing corner-case to bs_construct_SUITE
hipe: Allow unsigned args in hipe_rtl_arith
hipe: test unit size match in bs_put_binary_all
hipe: test unit size match in bs_append
Fix hipe_rtl_binary_construct:floorlog2/1
OTP-13272
Diffstat (limited to 'lib/hipe/icode/hipe_icode_range.erl')
-rw-r--r-- | lib/hipe/icode/hipe_icode_range.erl | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/hipe/icode/hipe_icode_range.erl b/lib/hipe/icode/hipe_icode_range.erl index ba5fa1bfd7..9a20527a83 100644 --- a/lib/hipe/icode/hipe_icode_range.erl +++ b/lib/hipe/icode/hipe_icode_range.erl @@ -1202,11 +1202,11 @@ basic_type(#unsafe_update_element{}) -> not_analysed. analyse_bs_get_integer(Size, Flags, true) -> Signed = Flags band 4, if Signed =:= 0 -> - Max = 1 bsl Size - 1, + Max = inf_add(inf_bsl(1, Size), -1), Min = 0; true -> - Max = 1 bsl (Size-1) - 1, - Min = -(1 bsl (Size-1)) + Max = inf_add(inf_bsl(1, Size-1), -1), + Min = inf_inv(inf_bsl(1, Size-1)) end, {Min, Max}; analyse_bs_get_integer(Size, Flags, false) when is_integer(Size), |