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  }