Text file src/pkg/internal/bytealg/equal_mips64x.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 mips64 mips64le
     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|NOFRAME,$0-25
    14		MOVV	a+0(FP), R1
    15		MOVV	b+8(FP), R2
    16		BEQ	R1, R2, eq
    17		MOVV	size+16(FP), R3
    18		ADDV	R1, R3, R4
    19	loop:
    20		BNE	R1, R4, test
    21		MOVV	$1, R1
    22		MOVB	R1, ret+24(FP)
    23		RET
    24	test:
    25		MOVBU	(R1), R6
    26		ADDV	$1, R1
    27		MOVBU	(R2), R7
    28		ADDV	$1, R2
    29		BEQ	R6, R7, loop
    30	
    31		MOVB	R0, ret+24(FP)
    32		RET
    33	eq:
    34		MOVV	$1, R1
    35		MOVB	R1, ret+24(FP)
    36		RET
    37	
    38	// memequal_varlen(a, b unsafe.Pointer) bool
    39	TEXT runtime·memequal_varlen(SB),NOSPLIT,$40-17
    40		MOVV	a+0(FP), R1
    41		MOVV	b+8(FP), R2
    42		BEQ	R1, R2, eq
    43		MOVV	8(REGCTXT), R3    // compiler stores size at offset 8 in the closure
    44		MOVV	R1, 8(R29)
    45		MOVV	R2, 16(R29)
    46		MOVV	R3, 24(R29)
    47		JAL	runtime·memequal(SB)
    48		MOVBU	32(R29), R1
    49		MOVB	R1, ret+16(FP)
    50		RET
    51	eq:
    52		MOVV	$1, R1
    53		MOVB	R1, ret+16(FP)
    54		RET

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