runtime: remove outdated comment in mkduff.go about usage of STOSQ

Change-Id: I71966cc5def4615d64876165872e5e7f2956b270 Reviewed-on: https://go-review.googlesource.com/c/go/+/253397 Run-TryBot: Martin Möhrmann <[email protected]> Reviewed-by: Keith Randall <[email protected]> TryBot-Result: Gobot Gobot <[email protected]>
cloudflare · Sep 7, 2020 · f98f3b0 · f98f3b0
1 parent dc025c0
commit f98f3b0
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/src/runtime/mkduff.go b/src/runtime/mkduff.go
@@ -83,7 +83,6 @@ func copyAMD64(w io.Writer) {
  //
  // This is equivalent to a sequence of MOVSQ but
  // for some reason that is 3.5x slower than this code.
- // The STOSQ in duffzero seem fine, though.
  fmt.Fprintln(w, "TEXT runtime·duffcopy(SB), NOSPLIT, $0-0")
  for i := 0; i < 64; i++ {
  fmt.Fprintln(w, "\tMOVUPS\t(SI), X0")