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cmd/compile/internal/gc: fix return value offset for SSA backend on ARM

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Progress on SSA backend for ARM. Still not complete. It compiles a
Fibonacci function, but the caller picked the return value from an
incorrect offset. This CL adjusts it to match the stack frame layout
for architectures with link register.

Updates #15365.

Change-Id: I01e03c3e95f5503a185e8ac2b6d9caf4faf3d014
Reviewed-on: https://go-review.googlesource.com/22186
Reviewed-by: Keith Randall <khr@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Cherry Zhang 2016-04-18 10:30:20 -04:00 committed by Keith Randall
parent 7c6b48ffba
commit 508a424eed
1 changed files with 1 additions and 1 deletions
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2
src/cmd/compile/internal/gc/ssa.go
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@ -2668,7 +2668,7 @@ func (s *state) call(n *Node, k callKind) *ssa.Value {
return nil
}
fp := res.Field(0)
return s.entryNewValue1I(ssa.OpOffPtr, Ptrto(fp.Type), fp.Offset, s.sp)
return s.entryNewValue1I(ssa.OpOffPtr, Ptrto(fp.Type), fp.Offset+Ctxt.FixedFrameSize(), s.sp)
}
// etypesign returns the signed-ness of e, for integer/pointer etypes.