diff options
author | Anton Samokhvalov <pg83@yandex.ru> | 2022-02-10 16:45:15 +0300 |
---|---|---|
committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:45:15 +0300 |
commit | 72cb13b4aff9bc9cf22e49251bc8fd143f82538f (patch) | |
tree | da2c34829458c7d4e74bdfbdf85dff449e9e7fb8 /contrib/libs/cxxsupp/builtins/absvti2.c | |
parent | 778e51ba091dc39e7b7fcab2b9cf4dbedfb6f2b5 (diff) | |
download | ydb-72cb13b4aff9bc9cf22e49251bc8fd143f82538f.tar.gz |
Restoring authorship annotation for Anton Samokhvalov <pg83@yandex.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/cxxsupp/builtins/absvti2.c')
-rw-r--r-- | contrib/libs/cxxsupp/builtins/absvti2.c | 68 |
1 files changed, 34 insertions, 34 deletions
diff --git a/contrib/libs/cxxsupp/builtins/absvti2.c b/contrib/libs/cxxsupp/builtins/absvti2.c index 7927770c9a..945673abff 100644 --- a/contrib/libs/cxxsupp/builtins/absvti2.c +++ b/contrib/libs/cxxsupp/builtins/absvti2.c @@ -1,34 +1,34 @@ -/* ===-- absvti2.c - Implement __absvdi2 -----------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __absvti2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#ifdef CRT_HAS_128BIT - -/* Returns: absolute value */ - -/* Effects: aborts if abs(x) < 0 */ - -COMPILER_RT_ABI ti_int -__absvti2(ti_int a) -{ - const int N = (int)(sizeof(ti_int) * CHAR_BIT); - if (a == ((ti_int)1 << (N-1))) - compilerrt_abort(); - const ti_int s = a >> (N - 1); - return (a ^ s) - s; -} - -#endif /* CRT_HAS_128BIT */ - +/* ===-- absvti2.c - Implement __absvdi2 -----------------------------------=== + * + * The LLVM Compiler Infrastructure + * + * This file is dual licensed under the MIT and the University of Illinois Open + * Source Licenses. See LICENSE.TXT for details. + * + * ===----------------------------------------------------------------------=== + * + * This file implements __absvti2 for the compiler_rt library. + * + * ===----------------------------------------------------------------------=== + */ + +#include "int_lib.h" + +#ifdef CRT_HAS_128BIT + +/* Returns: absolute value */ + +/* Effects: aborts if abs(x) < 0 */ + +COMPILER_RT_ABI ti_int +__absvti2(ti_int a) +{ + const int N = (int)(sizeof(ti_int) * CHAR_BIT); + if (a == ((ti_int)1 << (N-1))) + compilerrt_abort(); + const ti_int s = a >> (N - 1); + return (a ^ s) - s; +} + +#endif /* CRT_HAS_128BIT */ + |