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Revert "cmd/internal/obj: fix pc/sp information for prologue"

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This seems to have broken arm64 in a mysterious way. Will try again later.

This reverts commit 0a3c991fd3.

Change-Id: Ic1b53413c4168977a27381d9cc6fb8d9d7cbb780
Reviewed-on: https://go-review.googlesource.com/12245
Reviewed-by: Russ Cox <rsc@golang.org>
This commit is contained in:
Russ Cox 2015-07-15 23:28:31 +00:00
parent 88fc3587ec
commit 08dbd8ae6d
3 changed files with 3 additions and 28 deletions
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10
src/cmd/internal/obj/arm/obj5.go
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@ -804,12 +804,8 @@ func stacksplit(ctxt *obj.Link, p *obj.Prog, framesize int32) *obj.Prog {
for last = ctxt.Cursym.Text; last.Link != nil; last = last.Link {
}
spfix := obj.Appendp(ctxt, last)
spfix.As = obj.ANOP
spfix.Spadj = -framesize
// MOVW LR, R3
movw := obj.Appendp(ctxt, spfix)
movw := obj.Appendp(ctxt, last)
movw.As = AMOVW
movw.From.Type = obj.TYPE_REG
movw.From.Reg = REGLINK
@ -837,10 +833,6 @@ func stacksplit(ctxt *obj.Link, p *obj.Prog, framesize int32) *obj.Prog {
b.To.Type = obj.TYPE_BRANCH
b.Pcond = ctxt.Cursym.Text.Link
spfix = obj.Appendp(ctxt, b)
spfix.As = obj.ANOP
spfix.Spadj = +framesize
return bls
}