// Copyright 2018 The Go Authors. All rights reserved.

// Use of this source code is governed by a BSD-style

// license that can be found in the LICENSE file.

//go:build mips64 || mips64le

#include "go_asm.h"

#include "textflag.h"

TEXT ·IndexByte(SB),NOSPLIT,$0-40

MOVV b_base+0(FP), R1

MOVV b_len+8(FP), R2

MOVBU c+24(FP), R3 // byte to find

MOVV R1, R4 // store base for later

ADDV R1, R2 // end

ADDV $-1, R1

loop:

ADDV $1, R1

BEQ R1, R2, notfound

MOVBU (R1), R5

BNE R3, R5, loop

SUBV R4, R1 // remove base

MOVV R1, ret+32(FP)

RET

notfound:

MOVV $-1, R1

MOVV R1, ret+32(FP)

RET

TEXT ·IndexByteString(SB),NOSPLIT,$0-32

MOVV s_base+0(FP), R1

MOVV s_len+8(FP), R2

MOVBU c+16(FP), R3 // byte to find

MOVV R1, R4 // store base for later

ADDV R1, R2 // end

ADDV $-1, R1

loop:

ADDV $1, R1

BEQ R1, R2, notfound

MOVBU (R1), R5

BNE R3, R5, loop

SUBV R4, R1 // remove base

MOVV R1, ret+24(FP)

RET

notfound:

MOVV $-1, R1

MOVV R1, ret+24(FP)

RET