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cmd/compile: remove Node.Ntest, Node.Stkdelta

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$ sizeof -p cmd/compile/internal/gc Node
Node 272
$

Change-Id: I3d9b67eebfc0be0a4b9768d3de3dc76300abd89c
Reviewed-on: https://go-review.googlesource.com/10521
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
This commit is contained in:
Russ Cox 2015-05-26 21:30:20 -04:00
parent ffef180f82
commit 66be1481df
20 changed files with 207 additions and 269 deletions
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24
src/cmd/compile/internal/gc/walk.go
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@ -247,19 +247,19 @@ func walkstmt(np **Node) {
adjustargs(n, 2*Widthptr)
case OFOR:
if n.Ntest != nil {
walkstmtlist(n.Ntest.Ninit)
init := n.Ntest.Ninit
n.Ntest.Ninit = nil
walkexpr(&n.Ntest, &init)
addinit(&n.Ntest, init)
if n.Left != nil {
walkstmtlist(n.Left.Ninit)
init := n.Left.Ninit
n.Left.Ninit = nil
walkexpr(&n.Left, &init)
addinit(&n.Left, init)
}
walkstmt(&n.Right)
walkstmtlist(n.Nbody)
case OIF:
walkexpr(&n.Ntest, &n.Ninit)
walkexpr(&n.Left, &n.Ninit)
walkstmtlist(n.Nbody)
walkstmtlist(n.Rlist)
@ -1043,7 +1043,7 @@ func walkexpr(np **Node, init **NodeList) {
walkexpr(&n1, init)
n2 := Nod(OIF, nil, nil)
n2.Ntest = Nod(OEQ, l, nodnil())
n2.Left = Nod(OEQ, l, nodnil())
n2.Nbody = list1(Nod(OAS, l, n1))
n2.Likely = -1
typecheck(&n2, Etop)
@ -2914,7 +2914,7 @@ func appendslice(n *Node, init **NodeList) *Node {
// n := len(s) + len(l2) - cap(s)
nif.Ninit = list1(Nod(OAS, nt, Nod(OSUB, Nod(OADD, Nod(OLEN, s, nil), Nod(OLEN, l2, nil)), Nod(OCAP, s, nil))))
nif.Ntest = Nod(OGT, nt, Nodintconst(0))
nif.Left = Nod(OGT, nt, Nodintconst(0))
// instantiate growslice(Type*, []any, int) []any
fn := syslook("growslice", 1) // growslice(<type>, old []T, n int64) (ret []T)
@ -3046,7 +3046,7 @@ func walkappend(n *Node, init **NodeList, dst *Node) *Node {
na := Nodintconst(int64(argc)) // const argc
nx := Nod(OIF, nil, nil) // if cap(s) - len(s) < argc
nx.Ntest = Nod(OLT, Nod(OSUB, Nod(OCAP, ns, nil), Nod(OLEN, ns, nil)), na)
nx.Left = Nod(OLT, Nod(OSUB, Nod(OCAP, ns, nil), Nod(OLEN, ns, nil)), na)
fn := syslook("growslice", 1) // growslice(<type>, old []T, n int) (ret []T)
substArgTypes(fn, ns.Type.Type, ns.Type.Type)
@ -3124,7 +3124,7 @@ func copyany(n *Node, init **NodeList, runtimecall int) *Node {
// if n > len(frm) { n = len(frm) }
nif := Nod(OIF, nil, nil)
nif.Ntest = Nod(OGT, nlen, Nod(OLEN, nr, nil))
nif.Left = Nod(OGT, nlen, Nod(OLEN, nr, nil))
nif.Nbody = list(nif.Nbody, Nod(OAS, nlen, Nod(OLEN, nr, nil)))
l = list(l, nif)
@ -3982,7 +3982,7 @@ func candiscard(n *Node) bool {
return false
}
if !candiscard(n.Left) || !candiscard(n.Right) || !candiscard(n.Ntest) || !candiscardlist(n.Ninit) || !candiscardlist(n.Nbody) || !candiscardlist(n.List) || !candiscardlist(n.Rlist) {
if !candiscard(n.Left) || !candiscard(n.Right) || !candiscardlist(n.Ninit) || !candiscardlist(n.Nbody) || !candiscardlist(n.List) || !candiscardlist(n.Rlist) {
return false
}