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diff --git a/contrib/llvm-project/compiler-rt/lib/builtins/divmodti4.c b/contrib/llvm-project/compiler-rt/lib/builtins/divmodti4.c
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+++ b/contrib/llvm-project/compiler-rt/lib/builtins/divmodti4.c
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+//===-- divmodti4.c - Implement __divmodti4 -------------------------------===//
+//
+// 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 __divmodti4 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "int_lib.h"
+
+#ifdef CRT_HAS_128BIT
+
+// Returns: a / b, *rem = a % b
+
+COMPILER_RT_ABI ti_int __divmodti4(ti_int a, ti_int b, ti_int *rem) {
+ const int bits_in_tword_m1 = (int)(sizeof(ti_int) * CHAR_BIT) - 1;
+ ti_int s_a = a >> bits_in_tword_m1; // s_a = a < 0 ? -1 : 0
+ ti_int s_b = b >> bits_in_tword_m1; // s_b = b < 0 ? -1 : 0
+ a = (tu_int)(a ^ s_a) - s_a; // negate if s_a == -1
+ b = (tu_int)(b ^ s_b) - s_b; // negate if s_b == -1
+ s_b ^= s_a; // sign of quotient
+ tu_int r;
+ ti_int q = (__udivmodti4(a, b, &r) ^ s_b) - s_b; // negate if s_b == -1
+ *rem = (r ^ s_a) - s_a; // negate if s_a == -1
+ return q;
+}
+
+#endif // CRT_HAS_128BIT