github.com/FISCO-BCOS/crypto@v0.0.0-20200202032121-bd8ab0b5d4f1/internal/bytealg/equal_mips64x.s (about) 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