github.com/rakyll/go@v0.0.0-20170216000551-64c02460d703/src/cmd/compile/internal/x86/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 x86
     6  
     7  import (
     8  	"cmd/compile/internal/gc"
     9  	"cmd/internal/obj"
    10  	"cmd/internal/obj/x86"
    11  	"fmt"
    12  	"os"
    13  )
    14  
    15  func Init() {
    16  	gc.Thearch.LinkArch = &x86.Link386
    17  	gc.Thearch.REGSP = x86.REGSP
    18  	switch v := obj.GO386; v {
    19  	case "387":
    20  		gc.Thearch.Use387 = true
    21  	case "sse2":
    22  	default:
    23  		fmt.Fprintf(os.Stderr, "unsupported setting GO386=%s\n", v)
    24  		gc.Exit(1)
    25  	}
    26  	gc.Thearch.MAXWIDTH = (1 << 32) - 1
    27  
    28  	gc.Thearch.Defframe = defframe
    29  	gc.Thearch.Proginfo = proginfo
    30  
    31  	gc.Thearch.SSAMarkMoves = ssaMarkMoves
    32  	gc.Thearch.SSAGenValue = ssaGenValue
    33  	gc.Thearch.SSAGenBlock = ssaGenBlock
    34  }