github.com/ltltlt/go-source-code@v0.0.0-20190830023027-95be009773aa/cmd/compile/internal/amd64/galign.go (about)

     1  // Copyright 2009 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  package amd64
     6  
     7  import (
     8  	"cmd/compile/internal/gc"
     9  	"cmd/internal/obj/x86"
    10  	"cmd/internal/objabi"
    11  )
    12  
    13  var leaptr = x86.ALEAQ
    14  
    15  func Init(arch *gc.Arch) {
    16  	arch.LinkArch = &x86.Linkamd64
    17  	if objabi.GOARCH == "amd64p32" {
    18  		arch.LinkArch = &x86.Linkamd64p32
    19  		leaptr = x86.ALEAL
    20  	}
    21  	arch.REGSP = x86.REGSP
    22  	arch.MAXWIDTH = 1 << 50
    23  
    24  	arch.ZeroRange = zerorange
    25  	arch.ZeroAuto = zeroAuto
    26  	arch.Ginsnop = ginsnop
    27  
    28  	arch.SSAMarkMoves = ssaMarkMoves
    29  	arch.SSAGenValue = ssaGenValue
    30  	arch.SSAGenBlock = ssaGenBlock
    31  }