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https://github.com/refraction-networking/utls.git
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c93493d798
Don't add them to files in vendor and cmd/vendor though. These will be pulled in by updating the respective dependencies. For #41184 Change-Id: Icc57458c9b3033c347124323f33084c85b224c70 Reviewed-on: https://go-review.googlesource.com/c/go/+/319389 Trust: Tobias Klauser <tobias.klauser@gmail.com> Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Russ Cox <rsc@golang.org>
73 lines
1.4 KiB
ArmAsm
73 lines
1.4 KiB
ArmAsm
// Copyright 2018 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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//go:build mips || mipsle
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// +build mips mipsle
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#include "go_asm.h"
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#include "textflag.h"
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TEXT ·Compare(SB),NOSPLIT,$0-28
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MOVW a_base+0(FP), R3
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MOVW b_base+12(FP), R4
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MOVW a_len+4(FP), R1
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MOVW b_len+16(FP), R2
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BEQ R3, R4, samebytes
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SGTU R1, R2, R7
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MOVW R1, R8
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CMOVN R7, R2, R8 // R8 is min(R1, R2)
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ADDU R3, R8 // R3 is current byte in a, R8 is last byte in a to compare
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loop:
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BEQ R3, R8, samebytes
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MOVBU (R3), R6
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ADDU $1, R3
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MOVBU (R4), R7
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ADDU $1, R4
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BEQ R6, R7 , loop
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SGTU R6, R7, R8
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MOVW $-1, R6
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CMOVZ R8, R6, R8
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JMP cmp_ret
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samebytes:
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SGTU R1, R2, R6
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SGTU R2, R1, R7
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SUBU R7, R6, R8
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cmp_ret:
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MOVW R8, ret+24(FP)
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RET
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TEXT runtime·cmpstring(SB),NOSPLIT,$0-20
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MOVW a_base+0(FP), R3
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MOVW a_len+4(FP), R1
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MOVW b_base+8(FP), R4
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MOVW b_len+12(FP), R2
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BEQ R3, R4, samebytes
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SGTU R1, R2, R7
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MOVW R1, R8
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CMOVN R7, R2, R8 // R8 is min(R1, R2)
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ADDU R3, R8 // R3 is current byte in a, R8 is last byte in a to compare
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loop:
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BEQ R3, R8, samebytes // all compared bytes were the same; compare lengths
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MOVBU (R3), R6
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ADDU $1, R3
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MOVBU (R4), R7
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ADDU $1, R4
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BEQ R6, R7 , loop
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// bytes differed
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SGTU R6, R7, R8
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MOVW $-1, R6
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CMOVZ R8, R6, R8
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JMP cmp_ret
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samebytes:
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SGTU R1, R2, R6
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SGTU R2, R1, R7
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SUBU R7, R6, R8
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cmp_ret:
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MOVW R8, ret+16(FP)
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RET
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