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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_RUNTIME_ARCH_MIPS_MEMCMP16_MIPS_S_
#define ART_RUNTIME_ARCH_MIPS_MEMCMP16_MIPS_S_
#include "asm_support_mips.S"
// u4 __memcmp16(const u2*, const u2*, size_t);
ENTRY_NO_GP __memcmp16
li $t0,0
li $t1,0
beqz $a2,done /* 0 length string */
beq $a0,$a1,done /* strings are identical */
/* Unoptimized... */
1: lhu $t0,0($a0)
lhu $t1,0($a1)
addu $a1,2
bne $t0,$t1,done
addu $a0,2
subu $a2,1
bnez $a2,1b
done:
subu $v0,$t0,$t1
j $ra
END __memcmp16
#endif // ART_RUNTIME_ARCH_MIPS_MEMCMP16_MIPS_S_
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