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ad7732a9ac
The only remaining consumers of gins were ginsnop and arch-independent opcodes like GVARDEF. Rewrite ginsnop to create and populate progs directly. Move arch-independent opcodes to package gc and simplify. Delete some now unused code. There is more. Step one towards eliminating gc.Node.Reg. Change-Id: I7c34cd8a848f6fc3b030705ab8e293838e0b6c20 Reviewed-on: https://go-review.googlesource.com/29220 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Keith Randall <khr@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
53 lines
1.2 KiB
Go
53 lines
1.2 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package x86
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import (
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"cmd/compile/internal/gc"
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"cmd/internal/obj"
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"cmd/internal/obj/x86"
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"fmt"
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"os"
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)
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func betypeinit() {
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}
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func Main() {
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gc.Thearch.LinkArch = &x86.Link386
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gc.Thearch.REGSP = x86.REGSP
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gc.Thearch.REGCTXT = x86.REGCTXT
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gc.Thearch.REGCALLX = x86.REG_BX
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gc.Thearch.REGCALLX2 = x86.REG_AX
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gc.Thearch.REGRETURN = x86.REG_AX
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gc.Thearch.REGMIN = x86.REG_AX
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gc.Thearch.REGMAX = x86.REG_DI
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switch v := obj.GO386; v {
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case "387":
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gc.Thearch.FREGMIN = x86.REG_F0
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gc.Thearch.FREGMAX = x86.REG_F7
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gc.Thearch.Use387 = true
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case "sse2":
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gc.Thearch.FREGMIN = x86.REG_X0
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gc.Thearch.FREGMAX = x86.REG_X7
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default:
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fmt.Fprintf(os.Stderr, "unsupported setting GO386=%s\n", v)
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gc.Exit(1)
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}
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gc.Thearch.MAXWIDTH = (1 << 32) - 1
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gc.Thearch.ReservedRegs = resvd
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gc.Thearch.Betypeinit = betypeinit
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gc.Thearch.Defframe = defframe
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gc.Thearch.Proginfo = proginfo
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gc.Thearch.SSARegToReg = ssaRegToReg
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gc.Thearch.SSAMarkMoves = ssaMarkMoves
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gc.Thearch.SSAGenValue = ssaGenValue
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gc.Thearch.SSAGenBlock = ssaGenBlock
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gc.Main()
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gc.Exit(0)
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}
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