llvm-project/compiler-rt/lib/builtins/arm/aeabi_memcmp.S

30 lines
883 B
ArmAsm

//===-- aeabi_memcmp.S - EABI memcmp implementation -----------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "../assembly.h"
// void __aeabi_memcmp(void *dest, void *src, size_t n) { memcmp(dest, src, n); }
.syntax unified
.p2align 2
DEFINE_COMPILERRT_FUNCTION(__aeabi_memcmp)
#ifdef USE_THUMB_1
push {r7, lr}
bl memcmp
pop {r7, pc}
#else
b memcmp
#endif
END_COMPILERRT_FUNCTION(__aeabi_memcmp)
DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memcmp4, __aeabi_memcmp)
DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memcmp8, __aeabi_memcmp)
NO_EXEC_STACK_DIRECTIVE