summaryrefslogtreecommitdiff
path: root/lib/moddi3.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/moddi3.c')
-rw-r--r--lib/moddi3.c37
1 files changed, 19 insertions, 18 deletions
diff --git a/lib/moddi3.c b/lib/moddi3.c
index 5e903914a..453355596 100644
--- a/lib/moddi3.c
+++ b/lib/moddi3.c
@@ -1,31 +1,32 @@
-//===-- moddi3.c - Implement __moddi3 -------------------------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements __moddi3 for the compiler_rt library.
-//
-//===----------------------------------------------------------------------===//
+/*===-- moddi3.c - Implement __moddi3 -------------------------------------===
+ *
+ * The LLVM Compiler Infrastructure
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ * ===----------------------------------------------------------------------===
+ *
+ * This file implements __moddi3 for the compiler_rt library.
+ *
+ * ===----------------------------------------------------------------------===
+ */
#include "int_lib.h"
du_int __udivmoddi4(du_int a, du_int b, du_int* rem);
-// Returns: a % b
+/* Returns: a % b */
di_int
__moddi3(di_int a, di_int b)
{
const int bits_in_dword_m1 = (int)(sizeof(di_int) * CHAR_BIT) - 1;
- di_int s = b >> bits_in_dword_m1; // s = b < 0 ? -1 : 0
- b = (b ^ s) - s; // negate if s == -1
- s = a >> bits_in_dword_m1; // s = a < 0 ? -1 : 0
- a = (a ^ s) - s; // negate if s == -1
+ di_int s = b >> bits_in_dword_m1; /* s = b < 0 ? -1 : 0 */
+ b = (b ^ s) - s; /* negate if s == -1 */
+ s = a >> bits_in_dword_m1; /* s = a < 0 ? -1 : 0 */
+ a = (a ^ s) - s; /* negate if s == -1 */
di_int r;
__udivmoddi4(a, b, (du_int*)&r);
- return (r ^ s) - s; // negate if s == -1
+ return (r ^ s) - s; /* negate if s == -1 */
}