cmd/compile: eliminate some Linksym calls in obj.go

Passes toolstash-check.

Change-Id: I0cb2ea9ca7ec2449999af28457270ff7b3324e92
Reviewed-on: https://go-review.googlesource.com/41410
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>

diff --git a/src/cmd/compile/internal/gc/obj.go b/src/cmd/compile/internal/gc/obj.go
index 17401a4ca7a856309a1cf8aa894a9179bf421b88..c261713fcd730e41cf622095efe664ea5c348dbc 100644 (file)
--- a/src/cmd/compile/internal/gc/obj.go
+++ b/src/cmd/compile/internal/gc/obj.go
@@ -221,9 +221,9 @@ func dumpglobls() {
        }
 
        for _, s := range funcsyms {
-               sf := s.Pkg.Lookup(funcsymname(s))
-               dsymptr(sf.Linksym(), 0, s.Linksym(), 0)
-               ggloblsym(sf.Linksym(), int32(Widthptr), obj.DUPOK|obj.RODATA)
+               sf := s.Pkg.Lookup(funcsymname(s)).Linksym()
+               dsymptr(sf, 0, s.Linksym(), 0)
+               ggloblsym(sf, int32(Widthptr), obj.DUPOK|obj.RODATA)
        }
 
        // Do not reprocess funcsyms on next dumpglobls call.
@@ -324,16 +324,18 @@ func slicebytes(nam *Node, s string, len int) {
        sym := localpkg.Lookup(symname)
        sym.Def = asTypesNode(newname(sym))
 
-       off := dsname(sym.Linksym(), 0, s)
-       ggloblsym(sym.Linksym(), int32(off), obj.NOPTR|obj.LOCAL)
+       lsym := sym.Linksym()
+       off := dsname(lsym, 0, s)
+       ggloblsym(lsym, int32(off), obj.NOPTR|obj.LOCAL)
 
        if nam.Op != ONAME {
                Fatalf("slicebytes %v", nam)
        }
+       nsym := nam.Sym.Linksym()
        off = int(nam.Xoffset)
-       off = dsymptr(nam.Sym.Linksym(), off, sym.Linksym(), 0)
-       off = duintptr(nam.Sym.Linksym(), off, uint64(len))
-       duintptr(nam.Sym.Linksym(), off, uint64(len))
+       off = dsymptr(nsym, off, lsym, 0)
+       off = duintptr(nsym, off, uint64(len))
+       duintptr(nsym, off, uint64(len))
 }
 
 func dsname(s *obj.LSym, off int, t string) int {