diff options
Diffstat (limited to 'erts/emulator')
| -rw-r--r-- | erts/emulator/beam/bif.c | 13 | ||||
| -rw-r--r-- | erts/emulator/beam/big.c | 11 | ||||
| -rw-r--r-- | erts/emulator/test/num_bif_SUITE.erl | 32 |
3 files changed, 28 insertions, 28 deletions
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c index fcbeb6cf5c..b835946729 100644 --- a/erts/emulator/beam/bif.c +++ b/erts/emulator/beam/bif.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1996-2013. All Rights Reserved. + * Copyright Ericsson AB 1996-2014. 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 @@ -2887,9 +2887,6 @@ static int do_list_to_integer(Process *p, Eterm orig_list, res = big_plus_small(res, m, hp); } - if (is_big(res)) /* check if small */ - res = big_plus_small(res, 0, hp); /* includes conversion to small */ - if (neg) { if (is_small(res)) res = make_small(-signed_val(res)); @@ -2899,8 +2896,12 @@ static int do_list_to_integer(Process *p, Eterm orig_list, } } - if (is_big(res)) { - hp += (big_arity(res)+1); + if (is_not_small(res)) { + res = big_plus_small(res, 0, hp); /* includes conversion to small */ + + if (is_not_small(res)) { + hp += (big_arity(res)+1); + } } HRelease(p,hp_end,hp); } diff --git a/erts/emulator/beam/big.c b/erts/emulator/beam/big.c index e62caa6b22..a8710dd910 100644 --- a/erts/emulator/beam/big.c +++ b/erts/emulator/beam/big.c @@ -2675,9 +2675,6 @@ Eterm erts_chars_to_integer(Process *BIF_P, char *bytes, res = big_plus_small(res, m, hp); } - if (is_big(res)) /* check if small */ - res = big_plus_small(res, 0, hp); /* includes conversion to small */ - if (neg) { if (is_small(res)) res = make_small(-signed_val(res)); @@ -2687,8 +2684,12 @@ Eterm erts_chars_to_integer(Process *BIF_P, char *bytes, } } - if (is_big(res)) { - hp += (big_arity(res) + 1); + if (is_not_small(res)) { + res = big_plus_small(res, 0, hp); /* includes conversion to small */ + + if (is_not_small(res)) { + hp += (big_arity(res) + 1); + } } HRelease(BIF_P, hp_end, hp); goto bytebuf_to_integer_1_done; diff --git a/erts/emulator/test/num_bif_SUITE.erl b/erts/emulator/test/num_bif_SUITE.erl index ff8d18eef8..8cf8377c30 100644 --- a/erts/emulator/test/num_bif_SUITE.erl +++ b/erts/emulator/test/num_bif_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2013. All Rights Reserved. +%% Copyright Ericsson AB 1997-2014. 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 @@ -394,18 +394,15 @@ t_string_to_integer(Config) when is_list(Config) -> test_sti(268435455), test_sti(-268435455), - %% 1 bsl 28 - 1, just before 32 bit bignum - test_sti(1 bsl 28 - 1), - %% 1 bsl 28, just beyond 32 bit small - test_sti(1 bsl 28), - %% 1 bsl 33, just beyond 32 bit - test_sti(1 bsl 33), - %% 1 bsl 60 - 1, just before 64 bit bignum - test_sti(1 bsl 60 - 1), - %% 1 bsl 60, just beyond 64 bit small - test_sti(1 bsl 60), - %% 1 bsl 65, just beyond 64 bit - test_sti(1 bsl 65), + % Interesting values around 2-pows, such as MIN_SMALL and MAX_SMALL. + lists:foreach(fun(Bits) -> + N = 1 bsl Bits, + test_sti(N - 1), + test_sti(N), + test_sti(N + 1) + end, + lists:seq(16, 130)), + %% Bignums. test_sti(123456932798748738738,16), test_sti(list_to_integer(lists:duplicate(2000, $1))), @@ -454,10 +451,11 @@ test_sti(Num) -> end|| Base <- lists:seq(2,36)]. test_sti(Num,Base) -> - Num = list_to_integer(int2list(Num,Base),Base), - Num = -1*list_to_integer(int2list(Num*-1,Base),Base), - Num = binary_to_integer(int2bin(Num,Base),Base), - Num = -1*binary_to_integer(int2bin(Num*-1,Base),Base). + Neg = -Num, + Num = list_to_integer(int2list(Num,Base),Base), + Neg = list_to_integer(int2list(Num*-1,Base),Base), + Num = binary_to_integer(int2bin(Num,Base),Base), + Neg = binary_to_integer(int2bin(Num*-1,Base),Base). % Calling this function (which is not supposed to be inlined) prevents % the compiler from calculating the answer, so we don't test the compiler |