1 | //===-- aeabi_ldivmod.S - EABI ldivmod 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 { int64_t quot, int64_t rem} |
12 | // __aeabi_ldivmod(int64_t numerator, int64_t denominator) { |
13 | // int64_t rem, quot; |
14 | // quot = __divmoddi4(numerator, denominator, &rem); |
15 | // return {quot, rem}; |
16 | // } |
17 | |
18 | #if defined(__MINGW32__) |
19 | #define __aeabi_ldivmod __rt_sdiv64 |
20 | #endif |
21 | |
22 | .syntax unified |
23 | .p2align 2 |
24 | DEFINE_COMPILERRT_FUNCTION(__aeabi_ldivmod) |
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(__divmoddi4) |
38 | ldr r2, [sp, #8] |
39 | ldr r3, [sp, #12] |
40 | add sp, sp, #16 |
41 | pop {r6, pc} |
42 | END_COMPILERRT_FUNCTION(__aeabi_ldivmod) |
43 | |
44 | NO_EXEC_STACK_DIRECTIVE |
45 | |
46 | |