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Merge ^/head r356931 through r357118.
[FreeBSD/FreeBSD.git] / contrib / llvm-project / compiler-rt / lib / builtins / arm / aeabi_uldivmod.S
1 //===-- aeabi_uldivmod.S - EABI uldivmod implementation -------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #include "../assembly.h"
10
11 // struct { uint64_t quot, uint64_t rem}
12 //        __aeabi_uldivmod(uint64_t numerator, uint64_t denominator) {
13 //   uint64_t rem, quot;
14 //   quot = __udivmoddi4(numerator, denominator, &rem);
15 //   return {quot, rem};
16 // }
17
18 #if defined(__MINGW32__)
19 #define __aeabi_uldivmod __rt_udiv64
20 #endif
21
22         .syntax unified
23         .p2align 2
24 DEFINE_COMPILERRT_FUNCTION(__aeabi_uldivmod)
25         push    {r6, lr}
26         sub     sp, sp, #16
27         add     r6, sp, #8
28         str     r6, [sp]
29 #if defined(__MINGW32__)
30         movs    r6, r0
31         movs    r0, r2
32         movs    r2, r6
33         movs    r6, r1
34         movs    r1, r3
35         movs    r3, r6
36 #endif
37         bl      SYMBOL_NAME(__udivmoddi4)
38         ldr     r2, [sp, #8]
39         ldr     r3, [sp, #12]
40         add     sp, sp, #16
41         pop     {r6, pc}
42 END_COMPILERRT_FUNCTION(__aeabi_uldivmod)
43
44 NO_EXEC_STACK_DIRECTIVE
45