gitee.com/ks-custle/core-gm@v0.0.0-20230922171213-b83bdd97b62c/internal/bytealg/equal_wasm.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 #include "go_asm.h" 6 #include "textflag.h" 7 8 // memequal(p, q unsafe.Pointer, size uintptr) bool 9 TEXT runtime·memequal(SB), NOSPLIT, $0-25 10 Get SP 11 I64Load a+0(FP) 12 I64Load b+8(FP) 13 I64Load size+16(FP) 14 Call memeqbody<>(SB) 15 I64Store8 ret+24(FP) 16 RET 17 18 // memequal_varlen(a, b unsafe.Pointer) bool 19 TEXT runtime·memequal_varlen(SB), NOSPLIT, $0-17 20 Get SP 21 I64Load a+0(FP) 22 I64Load b+8(FP) 23 I64Load 8(CTXT) // compiler stores size at offset 8 in the closure 24 Call memeqbody<>(SB) 25 I64Store8 ret+16(FP) 26 RET 27 28 // params: a, b, len 29 // ret: 0/1 30 TEXT memeqbody<>(SB), NOSPLIT, $0-0 31 Get R0 32 Get R1 33 I64Eq 34 If 35 I64Const $1 36 Return 37 End 38 39 loop: 40 Loop 41 Get R2 42 I64Eqz 43 If 44 I64Const $1 45 Return 46 End 47 48 Get R0 49 I32WrapI64 50 I64Load8U $0 51 Get R1 52 I32WrapI64 53 I64Load8U $0 54 I64Ne 55 If 56 I64Const $0 57 Return 58 End 59 60 Get R0 61 I64Const $1 62 I64Add 63 Set R0 64 65 Get R1 66 I64Const $1 67 I64Add 68 Set R1 69 70 Get R2 71 I64Const $1 72 I64Sub 73 Set R2 74 75 Br loop 76 End 77 UNDEF