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Revert "cmd/compile: spill output parameters passed in registers as autos"

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This reverts commit 8ed438c077, CL 300749.

Reason for revert: Looks like it crashes on link-register architectures

Change-Id: I0c261df58900008cada3359889d2a87508158447
Reviewed-on: https://go-review.googlesource.com/c/go/+/302053
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
This commit is contained in:
David Chase 2021-03-15 21:12:08 +00:00
parent 8ed438c077
commit e61c9ddb7f
17 changed files with 89 additions and 308 deletions
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10
src/cmd/compile/internal/dwarfgen/dwarf.go
View file

@ -265,13 +265,6 @@ func createSimpleVar(fnsym *obj.LSym, n *ir.Name) *dwarf.Var {
var offs int64
switch n.Class {
case ir.PPARAM, ir.PPARAMOUT:
if !n.IsOutputParamInRegisters() {
abbrev = dwarf.DW_ABRV_PARAM
offs = n.FrameOffset() + base.Ctxt.FixedFrameSize()
break
}
fallthrough
case ir.PAUTO:
offs = n.FrameOffset()
abbrev = dwarf.DW_ABRV_AUTO
@ -282,6 +275,9 @@ func createSimpleVar(fnsym *obj.LSym, n *ir.Name) *dwarf.Var {
offs -= int64(types.PtrSize)
}
case ir.PPARAM, ir.PPARAMOUT:
abbrev = dwarf.DW_ABRV_PARAM
offs = n.FrameOffset() + base.Ctxt.FixedFrameSize()
default:
base.Fatalf("createSimpleVar unexpected class %v for node %v", n.Class, n)
}