// Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package x86 import ( "cmd/compile/internal/gc" "cmd/internal/obj/x86" "cmd/internal/objabi" "fmt" "os" ) func Init(arch *gc.Arch) { arch.LinkArch = &x86.Link386 arch.REGSP = x86.REGSP switch v := objabi.GO386; v { case "387": arch.Use387 = true arch.SSAGenValue = ssaGenValue387 arch.SSAGenBlock = ssaGenBlock387 case "sse2": arch.SSAGenValue = ssaGenValue arch.SSAGenBlock = ssaGenBlock default: fmt.Fprintf(os.Stderr, "unsupported setting GO386=%s\n", v) gc.Exit(1) } arch.MAXWIDTH = (1 << 32) - 1 arch.ZeroRange = zerorange arch.Ginsnop = ginsnop arch.Ginsnopdefer = ginsnop arch.SSAMarkMoves = ssaMarkMoves }