// Copyright 2022 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. #include "go_asm.h" #include "textflag.h" #define REGCTXT R29 // memequal(a, b unsafe.Pointer, size uintptr) bool TEXT runtime·memequal(SB),NOSPLIT|NOFRAME,$0-25 BEQ R4, R5, eq ADDV R4, R6, R7 PCALIGN $16 loop: BNE R4, R7, test MOVV $1, R4 RET test: MOVBU (R4), R9 ADDV $1, R4 MOVBU (R5), R10 ADDV $1, R5 BEQ R9, R10, loop MOVB R0, R4 RET eq: MOVV $1, R4 RET // memequal_varlen(a, b unsafe.Pointer) bool TEXT runtime·memequal_varlen(SB),NOSPLIT,$40-17 BEQ R4, R5, eq MOVV 8(REGCTXT), R6 // compiler stores size at offset 8 in the closure MOVV R4, 8(R3) MOVV R5, 16(R3) MOVV R6, 24(R3) JAL runtime·memequal(SB) MOVBU 32(R3), R4 RET eq: MOVV $1, R4 RET