github.com/icodeface/tls@v0.0.0-20230910023335-34df9250cd12/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 TEXT ·Equal(SB),NOSPLIT,$0-49 13 MOVV a_len+8(FP), R3 14 MOVV b_len+32(FP), R4 15 BNE R3, R4, noteq // unequal lengths are not equal 16 17 MOVV a_base+0(FP), R1 18 MOVV b_base+24(FP), R2 19 ADDV R1, R3 // end 20 21 loop: 22 BEQ R1, R3, equal // reached the end 23 MOVBU (R1), R6 24 ADDV $1, R1 25 MOVBU (R2), R7 26 ADDV $1, R2 27 BEQ R6, R7, loop 28 29 noteq: 30 MOVB R0, ret+48(FP) 31 RET 32 33 equal: 34 MOVV $1, R1 35 MOVB R1, ret+48(FP) 36 RET 37 38 // memequal(a, b unsafe.Pointer, size uintptr) bool 39 TEXT runtime·memequal(SB),NOSPLIT|NOFRAME,$0-25 40 MOVV a+0(FP), R1 41 MOVV b+8(FP), R2 42 BEQ R1, R2, eq 43 MOVV size+16(FP), R3 44 ADDV R1, R3, R4 45 loop: 46 BNE R1, R4, test 47 MOVV $1, R1 48 MOVB R1, ret+24(FP) 49 RET 50 test: 51 MOVBU (R1), R6 52 ADDV $1, R1 53 MOVBU (R2), R7 54 ADDV $1, R2 55 BEQ R6, R7, loop 56 57 MOVB R0, ret+24(FP) 58 RET 59 eq: 60 MOVV $1, R1 61 MOVB R1, ret+24(FP) 62 RET 63 64 // memequal_varlen(a, b unsafe.Pointer) bool 65 TEXT runtime·memequal_varlen(SB),NOSPLIT,$40-17 66 MOVV a+0(FP), R1 67 MOVV b+8(FP), R2 68 BEQ R1, R2, eq 69 MOVV 8(REGCTXT), R3 // compiler stores size at offset 8 in the closure 70 MOVV R1, 8(R29) 71 MOVV R2, 16(R29) 72 MOVV R3, 24(R29) 73 JAL runtime·memequal(SB) 74 MOVBU 32(R29), R1 75 MOVB R1, ret+16(FP) 76 RET 77 eq: 78 MOVV $1, R1 79 MOVB R1, ret+16(FP) 80 RET