github.com/icodeface/tls@v0.0.0-20230910023335-34df9250cd12/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 // +build mips mipsle 6 7 #include "go_asm.h" 8 #include "textflag.h" 9 10 #define REGCTXT R22 11 12 TEXT ·Equal(SB),NOSPLIT,$0-25 13 MOVW a_len+4(FP), R3 14 MOVW b_len+16(FP), R4 15 BNE R3, R4, noteq // unequal lengths are not equal 16 17 MOVW a_base+0(FP), R1 18 MOVW b_base+12(FP), R2 19 ADDU R1, R3 // end 20 21 loop: 22 BEQ R1, R3, equal // reached the end 23 MOVBU (R1), R6 24 ADDU $1, R1 25 MOVBU (R2), R7 26 ADDU $1, R2 27 BEQ R6, R7, loop 28 29 noteq: 30 MOVB R0, ret+24(FP) 31 RET 32 33 equal: 34 MOVW $1, R1 35 MOVB R1, ret+24(FP) 36 RET 37 38 // memequal(a, b unsafe.Pointer, size uintptr) bool 39 TEXT runtime·memequal(SB),NOSPLIT,$0-13 40 MOVW a+0(FP), R1 41 MOVW b+4(FP), R2 42 BEQ R1, R2, eq 43 MOVW size+8(FP), R3 44 ADDU R1, R3, R4 45 loop: 46 BNE R1, R4, test 47 MOVW $1, R1 48 MOVB R1, ret+12(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+12(FP) 58 RET 59 eq: 60 MOVW $1, R1 61 MOVB R1, ret+12(FP) 62 RET 63 64 // memequal_varlen(a, b unsafe.Pointer) bool 65 TEXT runtime·memequal_varlen(SB),NOSPLIT,$0-9 66 MOVW a+0(FP), R1 67 MOVW b+4(FP), R2 68 BEQ R1, R2, eq 69 MOVW 4(REGCTXT), R3 // compiler stores size at offset 4 in the closure 70 ADDU R1, R3, R4 71 loop: 72 BNE R1, R4, test 73 MOVW $1, R1 74 MOVB R1, ret+8(FP) 75 RET 76 test: 77 MOVBU (R1), R6 78 ADDU $1, R1 79 MOVBU (R2), R7 80 ADDU $1, R2 81 BEQ R6, R7, loop 82 83 MOVB R0, ret+8(FP) 84 RET 85 eq: 86 MOVW $1, R1 87 MOVB R1, ret+8(FP) 88 RET