vendor/compiler-rt/compiler-rt-trunk-r366426

1 files changed, 30 insertions, 37 deletions

diff --git a/lib/builtins/ashrti3.c b/lib/builtins/ashrti3.c
index f78205d961e4..f573b6d6ccba 100644
--- a/lib/builtins/ashrti3.c
+++ b/lib/builtins/ashrti3.c
@@ -1,46 +1,39 @@
-/* ===-- ashrti3.c - Implement __ashrti3 -----------------------------------===
- *
- *                     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 __ashrti3 for the compiler_rt library.
- *
- * ===----------------------------------------------------------------------===
- */
+//===-- ashrti3.c - Implement __ashrti3 -----------------------------------===//
+//
+// 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 __ashrti3 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
 
 #include "int_lib.h"
 
 #ifdef CRT_HAS_128BIT
 
-/* Returns: arithmetic a >> b */
+// Returns: arithmetic a >> b
 
-/* Precondition:  0 <= b < bits_in_tword */
+// Precondition:  0 <= b < bits_in_tword
 
-COMPILER_RT_ABI ti_int
-__ashrti3(ti_int a, si_int b)
-{
-    const int bits_in_dword = (int)(sizeof(di_int) * CHAR_BIT);
-    twords input;
-    twords result;
-    input.all = a;
-    if (b & bits_in_dword)  /* bits_in_dword <= b < bits_in_tword */
-    {
-        /* result.s.high = input.s.high < 0 ? -1 : 0 */
-        result.s.high = input.s.high >> (bits_in_dword - 1);
-        result.s.low = input.s.high >> (b - bits_in_dword);
-    }
-    else  /* 0 <= b < bits_in_dword */
-    {
-        if (b == 0)
-            return a;
-        result.s.high  = input.s.high >> b;
-        result.s.low = (input.s.high << (bits_in_dword - b)) | (input.s.low >> b);
-    }
-    return result.all;
+COMPILER_RT_ABI ti_int __ashrti3(ti_int a, si_int b) {
+  const int bits_in_dword = (int)(sizeof(di_int) * CHAR_BIT);
+  twords input;
+  twords result;
+  input.all = a;
+  if (b & bits_in_dword) /* bits_in_dword <= b < bits_in_tword */ {
+    // result.s.high = input.s.high < 0 ? -1 : 0
+    result.s.high = input.s.high >> (bits_in_dword - 1);
+    result.s.low = input.s.high >> (b - bits_in_dword);
+  } else /* 0 <= b < bits_in_dword */ {
+    if (b == 0)
+      return a;
+    result.s.high = input.s.high >> b;
+    result.s.low = (input.s.high << (bits_in_dword - b)) | (input.s.low >> b);
+  }
+  return result.all;
 }
 
-#endif /* CRT_HAS_128BIT */
+#endif // CRT_HAS_128BIT