github.com/JimmyHuang454/JLS-go@v0.0.0-20230831150107-90d536585ba0/internal/bytealg/equal_mipsx.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 //go: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