github.com/goshafaq/sonic@v0.0.0-20231026082336-871835fb94c6/internal/jit/arch_amd64.go (about) 1 /* 2 * Copyright 2021 ByteDance Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package jit 18 19 import ( 20 "github.com/twitchyliquid64/golang-asm/asm/arch" 21 "github.com/twitchyliquid64/golang-asm/obj" 22 ) 23 24 var ( 25 _AC = arch.Set("amd64") 26 ) 27 28 func As(op string) obj.As { 29 if ret, ok := _AC.Instructions[op]; ok { 30 return ret 31 } else { 32 panic("invalid instruction: " + op) 33 } 34 } 35 36 func Imm(imm int64) obj.Addr { 37 return obj.Addr{ 38 Type: obj.TYPE_CONST, 39 Offset: imm, 40 } 41 } 42 43 func Reg(reg string) obj.Addr { 44 if ret, ok := _AC.Register[reg]; ok { 45 return obj.Addr{Reg: ret, Type: obj.TYPE_REG} 46 } else { 47 panic("invalid register name: " + reg) 48 } 49 } 50 51 func Ptr(reg obj.Addr, offs int64) obj.Addr { 52 return obj.Addr{ 53 Reg: reg.Reg, 54 Type: obj.TYPE_MEM, 55 Offset: offs, 56 } 57 } 58 59 func Sib(reg obj.Addr, idx obj.Addr, scale int16, offs int64) obj.Addr { 60 return obj.Addr{ 61 Reg: reg.Reg, 62 Index: idx.Reg, 63 Scale: scale, 64 Type: obj.TYPE_MEM, 65 Offset: offs, 66 } 67 }