mirror of https://github.com/golang/go.git
18 lines
366 B
ArmAsm
18 lines
366 B
ArmAsm
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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TEXT ·IndexByte(SB),7,$0
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MOVL s+0(FP), SI
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MOVL s_len+4(FP), CX
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MOVB c+12(FP), AL
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MOVL SI, DI
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CLD; REPN; SCASB
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JZ 3(PC)
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MOVL $-1, ret+16(FP)
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RET
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SUBL SI, DI
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SUBL $1, DI
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MOVL DI, ret+16(FP)
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RET
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