xref: /freebsd/contrib/llvm-project/compiler-rt/lib/builtins/arm/aeabi_memcmp.S (revision 8ddb146abcdf061be9f2c0db7e391697dafad85c)
1//===-- aeabi_memcmp.S - EABI memcmp 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//  void __aeabi_memcmp(void *dest, void *src, size_t n) { memcmp(dest, src, n); }
12
13        .syntax unified
14        .p2align 2
15DEFINE_COMPILERRT_FUNCTION(__aeabi_memcmp)
16#ifdef USE_THUMB_1
17        push    {r7, lr}
18        bl      memcmp
19        pop     {r7, pc}
20#else
21        b       memcmp
22#endif
23END_COMPILERRT_FUNCTION(__aeabi_memcmp)
24
25DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memcmp4, __aeabi_memcmp)
26DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memcmp8, __aeabi_memcmp)
27
28NO_EXEC_STACK_DIRECTIVE
29
30