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Lionel Debieve6bda5472020-01-02 11:09:03 +01001//===-- aeabi_ldivmod.S - EABI ldivmod 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 { int64_t quot, int64_t rem}
13// __aeabi_ldivmod(int64_t numerator, int64_t denominator) {
14// int64_t rem, quot;
15// quot = __divmoddi4(numerator, denominator, &rem);
16// return {quot, rem};
17// }
18
19#if defined(__MINGW32__)
20#define __aeabi_ldivmod __rt_sdiv64
21#endif
22
23 .syntax unified
24 .p2align 2
25DEFINE_COMPILERRT_FUNCTION(__aeabi_ldivmod)
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(__divmoddi4)
39 ldr r2, [sp, #8]
40 ldr r3, [sp, #12]
41 add sp, sp, #16
42 pop {r6, pc}
43END_COMPILERRT_FUNCTION(__aeabi_ldivmod)
44
45NO_EXEC_STACK_DIRECTIVE
46