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// Copyright 2009 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.
TEXT ·IndexByte(SB),7,$0
MOVW s+0(FP), R0
MOVW s+4(FP), R1
MOVBU c+12(FP), R2 // byte to find
MOVW R0, R4 // store base for later
ADD R0, R1 // end
_loop:
CMP R0, R1
B.EQ _notfound
MOVBU.P 1(R0), R3
CMP R2, R3
B.NE _loop
SUB $1, R0 // R0 will be one beyond the position we want
SUB R4, R0 // remove base
MOVW R0, r+16(FP)
RET
_notfound:
MOVW $-1, R0
MOVW R0, r+16(FP)
RET
TEXT ·Equal(SB),7,$0
MOVW a+4(FP), R1
MOVW b+16(FP), R3
CMP R1, R3 // unequal lengths are not equal
B.NE _notequal
MOVW a+0(FP), R0
MOVW b+12(FP), R2
ADD R0, R1 // end
_next:
CMP R0, R1
B.EQ _equal // reached the end
MOVBU.P 1(R0), R4
MOVBU.P 1(R2), R5
CMP R4, R5
B.EQ _next
_notequal:
MOVW $0, R0
MOVBU R0, r+24(FP)
RET
_equal:
MOVW $1, R0
MOVBU R0, r+24(FP)
RET
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