Text file src/internal/bytealg/equal_mipsx.s

     1	// Copyright 2018 The Go Authors. All rights reserved.
     2	// Use of this source code is governed by a BSD-style
     3	// license that can be found in the LICENSE file.
     4	
     5	// +build mips mipsle
     6	
     7	#include "go_asm.h"
     8	#include "textflag.h"
     9	
    10	#define	REGCTXT	R22
    11	
    12	// memequal(a, b unsafe.Pointer, size uintptr) bool
    13	TEXT runtime·memequal(SB),NOSPLIT,$0-13
    14		MOVW	a+0(FP), R1
    15		MOVW	b+4(FP), R2
    16		BEQ	R1, R2, eq
    17		MOVW	size+8(FP), R3
    18		ADDU	R1, R3, R4
    19	loop:
    20		BNE	R1, R4, test
    21		MOVW	$1, R1
    22		MOVB	R1, ret+12(FP)
    23		RET
    24	test:
    25		MOVBU	(R1), R6
    26		ADDU	$1, R1
    27		MOVBU	(R2), R7
    28		ADDU	$1, R2
    29		BEQ	R6, R7, loop
    30	
    31		MOVB	R0, ret+12(FP)
    32		RET
    33	eq:
    34		MOVW	$1, R1
    35		MOVB	R1, ret+12(FP)
    36		RET
    37	
    38	// memequal_varlen(a, b unsafe.Pointer) bool
    39	TEXT runtime·memequal_varlen(SB),NOSPLIT,$0-9
    40		MOVW	a+0(FP), R1
    41		MOVW	b+4(FP), R2
    42		BEQ	R1, R2, eq
    43		MOVW	4(REGCTXT), R3	// compiler stores size at offset 4 in the closure
    44		ADDU	R1, R3, R4
    45	loop:
    46		BNE	R1, R4, test
    47		MOVW	$1, R1
    48		MOVB	R1, ret+8(FP)
    49		RET
    50	test:
    51		MOVBU	(R1), R6
    52		ADDU	$1, R1
    53		MOVBU	(R2), R7
    54		ADDU	$1, R2
    55		BEQ	R6, R7, loop
    56	
    57		MOVB	R0, ret+8(FP)
    58		RET
    59	eq:
    60		MOVW	$1, R1
    61		MOVB	R1, ret+8(FP)
    62		RET

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