cmd/compile/internal/gc: remove Thearch.Linkarchinit

Change-Id: I8e990204c7a1e65d6b8e4262f6b5b9bd0cb3540c
Reviewed-on: https://go-review.googlesource.com/20725
Run-TryBot: Dave Cheney <dave@cheney.net>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

src/cmd/compile/internal/amd64/galign.go

@@ -11,23 +11,12 @@ import (
 )
 
 var (
-	thestring   = "amd64"
+	addptr = x86.AADDQ
-	thelinkarch = &x86.Linkamd64
+	movptr = x86.AMOVQ
-	addptr      = x86.AADDQ
+	leaptr = x86.ALEAQ
-	movptr      = x86.AMOVQ
+	cmpptr = x86.ACMPQ
-	leaptr      = x86.ALEAQ
-	cmpptr      = x86.ACMPQ
 )
 
-func linkarchinit() {
-	if obj.Getgoarch() == "amd64p32" {
-		thelinkarch = &x86.Linkamd64p32
-		gc.Thearch.Thelinkarch = thelinkarch
-		thestring = "amd64p32"
-		gc.Thearch.Thestring = "amd64p32"
-	}
-}
-
 func betypeinit() {
 	gc.Widthptr = 8
 	gc.Widthint = 8
@@ -54,8 +43,12 @@ func Main() {
 	}
 
 	gc.Thearch.Thechar = '6'
-	gc.Thearch.Thestring = thestring
+	gc.Thearch.Thestring = "amd64"
-	gc.Thearch.Thelinkarch = thelinkarch
+	gc.Thearch.Thelinkarch = &x86.Linkamd64
+	if obj.Getgoarch() == "amd64p32" {
+		gc.Thearch.Thestring = "amd64p32"
+		gc.Thearch.Thelinkarch = &x86.Linkamd64p32
+	}
 	gc.Thearch.REGSP = x86.REGSP
 	gc.Thearch.REGCTXT = x86.REGCTXT
 	gc.Thearch.REGCALLX = x86.REG_BX
@@ -85,7 +78,6 @@ func Main() {
 	gc.Thearch.Ginscon = ginscon
 	gc.Thearch.Ginsnop = ginsnop
 	gc.Thearch.Gmove = gmove
-	gc.Thearch.Linkarchinit = linkarchinit
 	gc.Thearch.Peep = peep
 	gc.Thearch.Proginfo = proginfo
 	gc.Thearch.Regtyp = regtyp

src/cmd/compile/internal/arm/galign.go

@@ -9,9 +9,6 @@ import (
 	"cmd/internal/obj/arm"
 )
 
-func linkarchinit() {
-}
-
 func betypeinit() {
 	gc.Widthptr = 4
 	gc.Widthint = 4
@@ -50,7 +47,6 @@ func Main() {
 	gc.Thearch.Ginsnop = ginsnop
 	gc.Thearch.Gmove = gmove
 	gc.Thearch.Cgenindex = cgenindex
-	gc.Thearch.Linkarchinit = linkarchinit
 	gc.Thearch.Peep = peep
 	gc.Thearch.Proginfo = proginfo
 	gc.Thearch.Regtyp = regtyp

src/cmd/compile/internal/arm64/galign.go

@@ -9,9 +9,6 @@ import (
 	"cmd/internal/obj/arm64"
 )
 
-func linkarchinit() {
-}
-
 func betypeinit() {
 	gc.Widthptr = 8
 	gc.Widthint = 8
@@ -49,7 +46,6 @@ func Main() {
 	gc.Thearch.Ginscon = ginscon
 	gc.Thearch.Ginsnop = ginsnop
 	gc.Thearch.Gmove = gmove
-	gc.Thearch.Linkarchinit = linkarchinit
 	gc.Thearch.Peep = peep
 	gc.Thearch.Proginfo = proginfo
 	gc.Thearch.Regtyp = regtyp

src/cmd/compile/internal/gc/go.go

@@ -543,7 +543,6 @@ type Arch struct {
 	Ginsnop      func()
 	Gmove        func(*Node, *Node)
 	Igenindex    func(*Node, *Node, bool) *obj.Prog
-	Linkarchinit func()
 	Peep         func(*obj.Prog)
 	Proginfo     func(*obj.Prog) // fills in Prog.Info
 	Regtyp       func(*obj.Addr) bool

src/cmd/compile/internal/gc/main.go

@@ -98,7 +98,6 @@ func Main() {
 	}
 	goarch = p
 
-	Thearch.Linkarchinit()
 	Ctxt = obj.Linknew(Thearch.Thelinkarch)
 	Ctxt.DiagFunc = Yyerror
 	Ctxt.Bso = &bstdout

src/cmd/compile/internal/mips64/galign.go

@@ -10,22 +10,6 @@ import (
 	"cmd/internal/obj/mips"
 )
 
-var (
-	thestring   = "mips64"
-	thelinkarch *obj.LinkArch
-)
-
-func linkarchinit() {
-	thestring = obj.Getgoarch()
-	gc.Thearch.Thestring = thestring
-	if thestring == "mips64le" {
-		thelinkarch = &mips.Linkmips64le
-	} else {
-		thelinkarch = &mips.Linkmips64
-	}
-	gc.Thearch.Thelinkarch = thelinkarch
-}
-
 func betypeinit() {
 	gc.Widthptr = 8
 	gc.Widthint = 8
@@ -34,8 +18,12 @@ func betypeinit() {
 
 func Main() {
 	gc.Thearch.Thechar = '0'
-	gc.Thearch.Thestring = thestring
+	gc.Thearch.Thestring = "mips64"
-	gc.Thearch.Thelinkarch = thelinkarch
+	gc.Thearch.Thelinkarch = &mips.Linkmips64
+	if obj.Getgoarch() == "mips64le" {
+		gc.Thearch.Thestring = "mips64le"
+		gc.Thearch.Thelinkarch = &mips.Linkmips64le
+	}
 	gc.Thearch.REGSP = mips.REGSP
 	gc.Thearch.REGCTXT = mips.REGCTXT
 	gc.Thearch.REGCALLX = mips.REG_R1
@@ -62,7 +50,6 @@ func Main() {
 	gc.Thearch.Ginscon = ginscon
 	gc.Thearch.Ginsnop = ginsnop
 	gc.Thearch.Gmove = gmove
-	gc.Thearch.Linkarchinit = linkarchinit
 	gc.Thearch.Peep = peep
 	gc.Thearch.Proginfo = proginfo
 	gc.Thearch.Regtyp = regtyp

src/cmd/compile/internal/ppc64/galign.go

@@ -10,22 +10,6 @@ import (
 	"cmd/internal/obj/ppc64"
 )
 
-var (
-	thestring   = "ppc64"
-	thelinkarch *obj.LinkArch
-)
-
-func linkarchinit() {
-	thestring = obj.Getgoarch()
-	gc.Thearch.Thestring = thestring
-	if thestring == "ppc64le" {
-		thelinkarch = &ppc64.Linkppc64le
-	} else {
-		thelinkarch = &ppc64.Linkppc64
-	}
-	gc.Thearch.Thelinkarch = thelinkarch
-}
-
 func betypeinit() {
 	gc.Widthptr = 8
 	gc.Widthint = 8
@@ -39,8 +23,12 @@ func betypeinit() {
 
 func Main() {
 	gc.Thearch.Thechar = '9'
-	gc.Thearch.Thestring = thestring
+	gc.Thearch.Thestring = "ppc64"
-	gc.Thearch.Thelinkarch = thelinkarch
+	gc.Thearch.Thelinkarch = &ppc64.Linkppc64
+	if obj.Getgoarch() == "ppc64le" {
+		gc.Thearch.Thestring = "ppc64le"
+		gc.Thearch.Thelinkarch = &ppc64.Linkppc64le
+	}
 	gc.Thearch.REGSP = ppc64.REGSP
 	gc.Thearch.REGCTXT = ppc64.REGCTXT
 	gc.Thearch.REGCALLX = ppc64.REG_R3
@@ -67,7 +55,6 @@ func Main() {
 	gc.Thearch.Ginscon = ginscon
 	gc.Thearch.Ginsnop = ginsnop
 	gc.Thearch.Gmove = gmove
-	gc.Thearch.Linkarchinit = linkarchinit
 	gc.Thearch.Peep = peep
 	gc.Thearch.Proginfo = proginfo
 	gc.Thearch.Regtyp = regtyp

src/cmd/compile/internal/x86/galign.go

@@ -12,9 +12,6 @@ import (
 	"os"
 )
 
-func linkarchinit() {
-}
-
 func betypeinit() {
 	gc.Widthptr = 4
 	gc.Widthint = 4
@@ -67,7 +64,6 @@ func Main() {
 	gc.Thearch.Ginsnop = ginsnop
 	gc.Thearch.Gmove = gmove
 	gc.Thearch.Igenindex = igenindex
-	gc.Thearch.Linkarchinit = linkarchinit
 	gc.Thearch.Peep = peep
 	gc.Thearch.Proginfo = proginfo
 	gc.Thearch.Regtyp = regtyp