Current File : //usr/local/go/src/internal/bytealg/indexbyte_mips64x.s
// 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
// +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
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