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-rw-r--r--lib/compiler-rt/builtins/arm/aeabi_uldivmod.S45
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diff --git a/lib/compiler-rt/builtins/arm/aeabi_uldivmod.S b/lib/compiler-rt/builtins/arm/aeabi_uldivmod.S
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+//===-- aeabi_uldivmod.S - EABI uldivmod implementation -------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "../assembly.h"
+
+// struct { uint64_t quot, uint64_t rem}
+// __aeabi_uldivmod(uint64_t numerator, uint64_t denominator) {
+// uint64_t rem, quot;
+// quot = __udivmoddi4(numerator, denominator, &rem);
+// return {quot, rem};
+// }
+
+#if defined(__MINGW32__)
+#define __aeabi_uldivmod __rt_udiv64
+#endif
+
+ .syntax unified
+ .p2align 2
+DEFINE_COMPILERRT_FUNCTION(__aeabi_uldivmod)
+ push {r6, lr}
+ sub sp, sp, #16
+ add r6, sp, #8
+ str r6, [sp]
+#if defined(__MINGW32__)
+ movs r6, r0
+ movs r0, r2
+ movs r2, r6
+ movs r6, r1
+ movs r1, r3
+ movs r3, r6
+#endif
+ bl SYMBOL_NAME(__udivmoddi4)
+ ldr r2, [sp, #8]
+ ldr r3, [sp, #12]
+ add sp, sp, #16
+ pop {r6, pc}
+END_COMPILERRT_FUNCTION(__aeabi_uldivmod)
+
+NO_EXEC_STACK_DIRECTIVE
+