cmd/compile: make stkobj symbols content-addressable

Shrinks binaries a little bit. size before after Δ % api 4892370 4875858 -16512 -0.338% asm 4711218 4694706 -16512 -0.350% cgo 4164770 4148258 -16512 -0.396% compile 21875922 21826386 -49536 -0.226% cover 4358370 4341858 -16512 -0.379% doc 3532562 3516050 -16512 -0.467% link 6110786 6094274 -16512 -0.270% objdump 3982914 3966402 -16512 -0.415% pprof 12869986 12836962 -33024 -0.257% trace 9614626 9598114 -16512 -0.172% vet 6580322 6563810 -16512 -0.251% total 102897284 102666116 -231168 -0.225% Change-Id: Idf4ba3c05e35ec1d1ae957d6ded00ae79cc0fd2a Reviewed-on: https://go-review.googlesource.com/c/go/+/172198 Trust: Josh Bleecher Snyder <[email protected]> Run-TryBot: Josh Bleecher Snyder <[email protected]> TryBot-Result: Go Bot <[email protected]> Reviewed-by: Cherry Mui <[email protected]>
cloudflare · Oct 5, 2021 · c1a0aa3 · c1a0aa3
1 parent 3100dc1
commit c1a0aa3
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/cmd/compile/internal/liveness/plive.go b/src/cmd/compile/internal/liveness/plive.go
@@ -1417,6 +1417,7 @@ func (lv *liveness) emitStackObjects() *obj.LSym {
  // Populate the stack object data.
  // Format must match runtime/stack.go:stackObjectRecord.
  x := base.Ctxt.Lookup(lv.fn.LSym.Name + ".stkobj")
+ x.Set(obj.AttrContentAddressable, true)
  lv.fn.LSym.Func().StackObjects = x
  off := 0
  off = objw.Uintptr(x, off, uint64(len(vars)))