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cmd/compile: set base register of spill/restore to SP

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Previously the base register was unset, which lead to the disassembler
using "FP" instead of "SP" as the base register.  That lead to some
confusion as to what the difference betweeen the two was.
Be consistent and always use SP.

Fixes #19458

Change-Id: Ie8f8ee54653bd202c0cf6fbf1d350e3c8c8b67a0
Reviewed-on: https://go-review.googlesource.com/37971
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
This commit is contained in:
Keith Randall 2017-03-08 16:31:02 -08:00
parent 3a1271dad7
commit 67d69f899c
1 changed files with 1 additions and 0 deletions
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1
src/cmd/compile/internal/gc/ssa.go
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@ -4738,6 +4738,7 @@ func AddrAuto(a *obj.Addr, v *ssa.Value) {
a.Type = obj.TYPE_MEM a.Type = obj.TYPE_MEM
a.Node = n a.Node = n
a.Sym = Linksym(n.Sym) a.Sym = Linksym(n.Sym)
a.Reg = int16(Thearch.REGSP)
a.Offset = n.Xoffset + off a.Offset = n.Xoffset + off
if n.Class == PPARAM || n.Class == PPARAMOUT { if n.Class == PPARAM || n.Class == PPARAMOUT {
a.Name = obj.NAME_PARAM a.Name = obj.NAME_PARAM