1// Copyright 2018 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5//go:build mips64 || mips64le
6
7#include "go_asm.h"
8#include "textflag.h"
9
10TEXT ·IndexByte(SB),NOSPLIT,$0-40
11 MOVV b_base+0(FP), R1
12 MOVV b_len+8(FP), R2
13 MOVBU c+24(FP), R3 // byte to find
14 MOVV R1, R4 // store base for later
15 ADDV R1, R2 // end
16 ADDV $-1, R1
17
18loop:
19 ADDV $1, R1
20 BEQ R1, R2, notfound
21 MOVBU (R1), R5
22 BNE R3, R5, loop
23
24 SUBV R4, R1 // remove base
25 MOVV R1, ret+32(FP)
26 RET
27
28notfound:
29 MOVV $-1, R1
30 MOVV R1, ret+32(FP)
31 RET
32
33TEXT ·IndexByteString(SB),NOSPLIT,$0-32
34 MOVV s_base+0(FP), R1
35 MOVV s_len+8(FP), R2
36 MOVBU c+16(FP), R3 // byte to find
37 MOVV R1, R4 // store base for later
38 ADDV R1, R2 // end
39 ADDV $-1, R1
40
41loop:
42 ADDV $1, R1
43 BEQ R1, R2, notfound
44 MOVBU (R1), R5
45 BNE R3, R5, loop
46
47 SUBV R4, R1 // remove base
48 MOVV R1, ret+24(FP)
49 RET
50
51notfound:
52 MOVV $-1, R1
53 MOVV R1, ret+24(FP)
54 RET
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