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cmd/compile: eliminate Gins and Naddr

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Preparation for eliminating Prog-related globals.

Passes toolstash-check -all.

Updates #15756

Change-Id: Ia199fcb282cc3a84903a6e92a3ce342c5faba79c
Reviewed-on: https://go-review.googlesource.com/38409
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
This commit is contained in:
Josh Bleecher Snyder 2017-03-22 11:31:56 -07:00
parent c644a76e1f
commit 352e19c92c
3 changed files with 10 additions and 63 deletions
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20
src/cmd/compile/internal/gc/pgen.go
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@ -316,12 +316,15 @@ func compile(fn *Node) {
setlineno(fn)
nam := fn.Func.Nname
if isblank(nam) {
nam = nil
ptxt := Prog(obj.ATEXT)
if nam := fn.Func.Nname; !isblank(nam) {
ptxt.From.Type = obj.TYPE_MEM
ptxt.From.Name = obj.NAME_EXTERN
ptxt.From.Sym = Linksym(nam.Sym)
if fn.Func.Pragma&Systemstack != 0 {
ptxt.From.Sym.Set(obj.AttrCFunc, true)
}
}
ptxt := Gins(obj.ATEXT, nam, nil)
fnsym := ptxt.From.Sym
ptxt.From3 = new(obj.Addr)
if fn.Func.Dupok() {
@ -342,9 +345,6 @@ func compile(fn *Node) {
if fn.Func.ReflectMethod() {
ptxt.From3.Offset |= obj.REFLECTMETHOD
}
if fn.Func.Pragma&Systemstack != 0 {
ptxt.From.Sym.Set(obj.AttrCFunc, true)
}
// Clumsy but important.
// See test/recover.go for test cases and src/reflect/value.go
@ -357,10 +357,10 @@ func compile(fn *Node) {
genssa(ssafn, ptxt)
fieldtrack(ptxt.From.Sym, fn.Func.FieldTrack)
obj.Flushplist(Ctxt, plist) // convert from Prog list to machine code
ptxt = nil // nil to prevent misuse; Prog may have been freed by Flushplist
fieldtrack(fnsym, fn.Func.FieldTrack)
}
func debuginfo(fnsym *obj.LSym) []*dwarf.Var {