1//===-- aeabi_uldivmod.S - EABI uldivmod implementation -------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#include "../assembly.h"
11
12// struct { uint64_t quot, uint64_t rem}
13//        __aeabi_uldivmod(uint64_t numerator, uint64_t denominator) {
14//   uint64_t rem, quot;
15//   quot = __udivmoddi4(numerator, denominator, &rem);
16//   return {quot, rem};
17// }
18
19#if defined(__MINGW32__)
20#define __aeabi_uldivmod __rt_udiv64
21#endif
22
23        .syntax unified
24        .p2align 2
25DEFINE_COMPILERRT_FUNCTION(__aeabi_uldivmod)
26        push	{r6, lr}
27        sub	sp, sp, #16
28        add	r6, sp, #8
29        str	r6, [sp]
30#if defined(__MINGW32__)
31        movs    r6, r0
32        movs    r0, r2
33        movs    r2, r6
34        movs    r6, r1
35        movs    r1, r3
36        movs    r3, r6
37#endif
38        bl	SYMBOL_NAME(__udivmoddi4)
39        ldr	r2, [sp, #8]
40        ldr	r3, [sp, #12]
41        add	sp, sp, #16
42        pop	{r6, pc}
43END_COMPILERRT_FUNCTION(__aeabi_uldivmod)
44
45NO_EXEC_STACK_DIRECTIVE
46
47