cmd/compile: remove more dead code

Change-Id: Ib05a8e149db8accdb1474703cd7b7004243d91d4
Reviewed-on: https://go-review.googlesource.com/29214
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Dave Cheney <dave@cheney.net>

diff --git a/src/cmd/compile/internal/arm64/gsubr.go b/src/cmd/compile/internal/arm64/gsubr.go
index 564c5aeabdba37e1695859f256f1013f5858779a..3bc1bd82739e9cb513f1f92ae53b383d7f53bfb2 100644 (file)
--- a/src/cmd/compile/internal/arm64/gsubr.go
+++ b/src/cmd/compile/internal/arm64/gsubr.go
@@ -172,13 +172,3 @@ func raddr(n *gc.Node, p *obj.Prog) {
                p.Reg = a.Reg
        }
 }
-
-func gcmp(as obj.As, lhs *gc.Node, rhs *gc.Node) *obj.Prog {
-       if lhs.Op != gc.OREGISTER {
-               gc.Fatalf("bad operands to gcmp: %v %v", lhs.Op, rhs.Op)
-       }
-
-       p := rawgins(as, rhs, nil)
-       raddr(lhs, p)
-       return p
-}

diff --git a/src/cmd/compile/internal/gc/gsubr.go b/src/cmd/compile/internal/gc/gsubr.go
index 563d4004e8d6ef5066408f2d83484b15f873da9f..ccbb3c40abd3984e32d458fcf56cc9ec388820fc 100644 (file)
--- a/src/cmd/compile/internal/gc/gsubr.go
+++ b/src/cmd/compile/internal/gc/gsubr.go
@@ -44,24 +44,6 @@ var (
        dpc     *obj.Prog
 )
 
-func Gbranch(as obj.As, t *Type, likely int) *obj.Prog {
-       p := Prog(as)
-       p.To.Type = obj.TYPE_BRANCH
-       p.To.Val = nil
-       if as != obj.AJMP && likely != 0 && !Thearch.LinkArch.InFamily(sys.PPC64, sys.ARM64, sys.MIPS64, sys.S390X) {
-               p.From.Type = obj.TYPE_CONST
-               if likely > 0 {
-                       p.From.Offset = 1
-               }
-       }
-
-       if Debug['g'] != 0 {
-               fmt.Printf("%v\n", p)
-       }
-
-       return p
-}
-
 func Prog(as obj.As) *obj.Prog {
        var p *obj.Prog
 

diff --git a/src/cmd/compile/internal/gc/obj.go b/src/cmd/compile/internal/gc/obj.go
index 89644d8baebd730e5aa2ed2524e2270cf506c8e2..7f462010c32a9d75e88008fe875dfc1975881af0 100644 (file)
--- a/src/cmd/compile/internal/gc/obj.go
+++ b/src/cmd/compile/internal/gc/obj.go
@@ -349,15 +349,6 @@ func slicebytes(nam *Node, s string, len int) {
        duintxx(nam.Sym, off, uint64(len), Widthint)
 }
 
-func Datastring(s string, a *obj.Addr) {
-       _, symdata := stringsym(s)
-       a.Type = obj.TYPE_MEM
-       a.Name = obj.NAME_EXTERN
-       a.Sym = symdata
-       a.Offset = 0
-       a.Etype = uint8(Simtype[TINT])
-}
-
 func datagostring(sval string, a *obj.Addr) {
        symhdr, _ := stringsym(sval)
        a.Type = obj.TYPE_MEM

diff --git a/src/cmd/compile/internal/gc/subr.go b/src/cmd/compile/internal/gc/subr.go
index cc42c8248b64a2d35c7f3c290ab2b91bc078e878..48ae1a42d67b826be6005b6a9c6d685e0a5ef56f 100644 (file)
--- a/src/cmd/compile/internal/gc/subr.go
+++ b/src/cmd/compile/internal/gc/subr.go
@@ -1398,21 +1398,6 @@ func cheapexpr(n *Node, init *Nodes) *Node {
        return copyexpr(n, n.Type, init)
 }
 
-func Setmaxarg(t *Type, extra int32) {
-       dowidth(t)
-       w := t.ArgWidth()
-       if w >= Thearch.MAXWIDTH {
-               Fatalf("bad argwid %v", t)
-       }
-       w += int64(extra)
-       if w >= Thearch.MAXWIDTH {
-               Fatalf("bad argwid %d + %v", extra, t)
-       }
-       if w > Maxarg {
-               Maxarg = w
-       }
-}
-
 // Code to resolve elided DOTs in embedded types.
 
 // A Dlist stores a pointer to a TFIELD Type embedded within

diff --git a/src/cmd/compile/internal/s390x/gsubr.go b/src/cmd/compile/internal/s390x/gsubr.go
index c6ab09fad4b8e2843c9a279afaf298ab93b9d905..dbacad9ea2bdb253a1900fe317a664fa69ee6467 100644 (file)
--- a/src/cmd/compile/internal/s390x/gsubr.go
+++ b/src/cmd/compile/internal/s390x/gsubr.go
@@ -69,53 +69,6 @@ func ginscon(as obj.As, c int64, n2 *gc.Node) {
        rawgins(as, &n1, n2)
 }
 
-// gmvc tries to move f to t using a mvc instruction.
-// If successful it returns true, otherwise it returns false.
-func gmvc(f, t *gc.Node) bool {
-       ft := int(gc.Simsimtype(f.Type))
-       tt := int(gc.Simsimtype(t.Type))
-
-       if ft != tt {
-               return false
-       }
-
-       if f.Op != gc.OINDREG || t.Op != gc.OINDREG {
-               return false
-       }
-
-       if f.Xoffset < 0 || f.Xoffset >= 4096-8 {
-               return false
-       }
-
-       if t.Xoffset < 0 || t.Xoffset >= 4096-8 {
-               return false
-       }
-
-       var len int64
-       switch ft {
-       case gc.TUINT8, gc.TINT8, gc.TBOOL:
-               len = 1
-       case gc.TUINT16, gc.TINT16:
-               len = 2
-       case gc.TUINT32, gc.TINT32, gc.TFLOAT32:
-               len = 4
-       case gc.TUINT64, gc.TINT64, gc.TFLOAT64, gc.TPTR64:
-               len = 8
-       case gc.TUNSAFEPTR:
-               len = int64(gc.Widthptr)
-       default:
-               return false
-       }
-
-       p := gc.Prog(s390x.AMVC)
-       gc.Naddr(&p.From, f)
-       gc.Naddr(&p.To, t)
-       p.From3 = new(obj.Addr)
-       p.From3.Offset = len
-       p.From3.Type = obj.TYPE_CONST
-       return true
-}
-
 func intLiteral(n *gc.Node) (x int64, ok bool) {
        switch {
        case n == nil: