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cmd/compile/internal/gc: cleanup selecttype

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Use namedfield consistently.

Passes toolstash-check.

Change-Id: Ic5a3acb4bfaa1f60dd2eac94612160509e8d7f94
Reviewed-on: https://go-review.googlesource.com/38741
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Matthew Dempsky 2017-03-28 15:16:30 -07:00
parent 3c0072e056
commit b72636cbde
1 changed files with 24 additions and 27 deletions
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51
src/cmd/compile/internal/gc/select.go
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@ -254,7 +254,7 @@ func walkselect(sel *Node) {
// generate sel-struct
setlineno(sel)
selv = temp(selecttype(int32(sel.Xoffset)))
selv = temp(selecttype(sel.Xoffset))
r = nod(OAS, selv, nil)
r = typecheck(r, Etop)
init = append(init, r)
@ -327,35 +327,32 @@ out:
}
// Keep in sync with src/runtime/select.go.
func selecttype(size int32) *Type {
func selecttype(size int64) *Type {
// TODO(dvyukov): it's possible to generate Scase only once
// and then cache; and also cache Select per size.
scase := nod(OTSTRUCT, nil, nil)
scase.List.Append(namedfield("elem", typPtr(Types[TUINT8])))
scase.List.Append(namedfield("chan", typPtr(Types[TUINT8])))
scase.List.Append(namedfield("pc", Types[TUINTPTR]))
scase.List.Append(namedfield("kind", Types[TUINT16]))
scase.List.Append(namedfield("receivedp", typPtr(Types[TUINT8])))
scase.List.Append(namedfield("releasetime", Types[TUINT64]))
scase = typecheck(scase, Etype)
scase.Type.SetNoalg(true)
scase.Type.SetLocal(true)
scase := tostruct([]*Node{
namedfield("elem", typPtr(Types[TUINT8])),
namedfield("chan", typPtr(Types[TUINT8])),
namedfield("pc", Types[TUINTPTR]),
namedfield("kind", Types[TUINT16]),
namedfield("receivedp", typPtr(Types[TUINT8])),
namedfield("releasetime", Types[TUINT64]),
})
scase.SetNoalg(true)
scase.SetLocal(true)
sel := nod(OTSTRUCT, nil, nil)
sel.List.Append(namedfield("tcase", Types[TUINT16]))
sel.List.Append(namedfield("ncase", Types[TUINT16]))
sel.List.Append(namedfield("pollorder", typPtr(Types[TUINT8])))
sel.List.Append(namedfield("lockorder", typPtr(Types[TUINT8])))
arr := nod(OTARRAY, nodintconst(int64(size)), scase)
sel.List.Append(nod(ODCLFIELD, newname(lookup("scase")), arr))
arr = nod(OTARRAY, nodintconst(int64(size)), typenod(Types[TUINT16]))
sel.List.Append(nod(ODCLFIELD, newname(lookup("lockorderarr")), arr))
arr = nod(OTARRAY, nodintconst(int64(size)), typenod(Types[TUINT16]))
sel.List.Append(nod(ODCLFIELD, newname(lookup("pollorderarr")), arr))
sel = typecheck(sel, Etype)
sel.Type.SetNoalg(true)
sel.Type.SetLocal(true)
sel := tostruct([]*Node{
namedfield("tcase", Types[TUINT16]),
namedfield("ncase", Types[TUINT16]),
namedfield("pollorder", typPtr(Types[TUINT8])),
namedfield("lockorder", typPtr(Types[TUINT8])),
namedfield("scase", typArray(scase, size)),
namedfield("lockorderarr", typArray(Types[TUINT16], size)),
namedfield("pollorderarr", typArray(Types[TUINT16], size)),
})
sel.SetNoalg(true)
sel.SetLocal(true)
return sel.Type
return sel
}