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authorMaxim Yurchuk <maxim-yurchuk@ydb.tech>2024-10-18 20:31:38 +0300
committerGitHub <noreply@github.com>2024-10-18 20:31:38 +0300
commit2a74bac2d2d3bccb4e10120f1ead805640ec9dd0 (patch)
tree047e4818ced5aaf73f58517629e5260b5291f9f0 /contrib/libs/cxxsupp/builtins/clzti2.c
parent2d9656823e9521d8c29ea4c9a1d0eab78391abfc (diff)
parent3d834a1923bbf9403cd4a448e7f32b670aa4124f (diff)
downloadydb-2a74bac2d2d3bccb4e10120f1ead805640ec9dd0.tar.gz
Merge pull request #10502 from ydb-platform/mergelibs-241016-1210
Library import 241016-1210
Diffstat (limited to 'contrib/libs/cxxsupp/builtins/clzti2.c')
-rw-r--r--contrib/libs/cxxsupp/builtins/clzti2.c44
1 files changed, 20 insertions, 24 deletions
diff --git a/contrib/libs/cxxsupp/builtins/clzti2.c b/contrib/libs/cxxsupp/builtins/clzti2.c
index 15a7b3c900..25d30119f2 100644
--- a/contrib/libs/cxxsupp/builtins/clzti2.c
+++ b/contrib/libs/cxxsupp/builtins/clzti2.c
@@ -1,33 +1,29 @@
-/* ===-- clzti2.c - Implement __clzti2 -------------------------------------===
- *
- * 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 __clzti2 for the compiler_rt library.
- *
- * ===----------------------------------------------------------------------===
- */
+//===-- clzti2.c - Implement __clzti2 -------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements __clzti2 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
#include "int_lib.h"
#ifdef CRT_HAS_128BIT
-/* Returns: the number of leading 0-bits */
+// Returns: the number of leading 0-bits
-/* Precondition: a != 0 */
+// Precondition: a != 0
-COMPILER_RT_ABI si_int
-__clzti2(ti_int a)
-{
- twords x;
- x.all = a;
- const di_int f = -(x.s.high == 0);
- return __builtin_clzll((x.s.high & ~f) | (x.s.low & f)) +
- ((si_int)f & ((si_int)(sizeof(di_int) * CHAR_BIT)));
+COMPILER_RT_ABI int __clzti2(ti_int a) {
+ twords x;
+ x.all = a;
+ const di_int f = -(x.s.high == 0);
+ return __builtin_clzll((x.s.high & ~f) | (x.s.low & f)) +
+ ((si_int)f & ((si_int)(sizeof(di_int) * CHAR_BIT)));
}
-#endif /* CRT_HAS_128BIT */
+#endif // CRT_HAS_128BIT