| // 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/base" | |
| "cmd/compile/internal/ssagen" | |
| "cmd/internal/obj/x86" | |
| "fmt" | |
| "internal/buildcfg" | |
| "os" | |
| ) | |
| func Init(arch *ssagen.ArchInfo) { | |
| arch.LinkArch = &x86.Link386 | |
| arch.REGSP = x86.REGSP | |
| arch.SSAGenValue = ssaGenValue | |
| arch.SSAGenBlock = ssaGenBlock | |
| arch.MAXWIDTH = (1 << 32) - 1 | |
| switch v := buildcfg.GO386; v { | |
| case "sse2": | |
| case "softfloat": | |
| arch.SoftFloat = true | |
| case "387": | |
| fmt.Fprintf(os.Stderr, "unsupported setting GO386=387. Consider using GO386=softfloat instead.\n") | |
| base.Exit(1) | |
| default: | |
| fmt.Fprintf(os.Stderr, "unsupported setting GO386=%s\n", v) | |
| base.Exit(1) | |
| } | |
| arch.ZeroRange = zerorange | |
| arch.Ginsnop = ginsnop | |
| arch.SSAMarkMoves = ssaMarkMoves | |
| } | |