diff options
Diffstat (limited to 'src/cmd/compile/internal/walk/convert.go')
| -rw-r--r-- | src/cmd/compile/internal/walk/convert.go | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/cmd/compile/internal/walk/convert.go b/src/cmd/compile/internal/walk/convert.go index 27a07ce4b6..f724ca7cae 100644 --- a/src/cmd/compile/internal/walk/convert.go +++ b/src/cmd/compile/internal/walk/convert.go @@ -413,11 +413,15 @@ func byteindex(n ir.Node) ir.Node { return n } -func walkCheckPtrAlignment(n *ir.ConvExpr, init *ir.Nodes, count ir.Node) ir.Node { +func walkCheckPtrAlignment(n *ir.ConvExpr, init *ir.Nodes, se *ir.SliceExpr) ir.Node { if !n.Type().IsPtr() { base.Fatalf("expected pointer type: %v", n.Type()) } elem := n.Type().Elem() + var count ir.Node + if se != nil { + count = se.Max + } if count != nil { if !elem.IsArray() { base.Fatalf("expected array type: %v", elem) @@ -435,7 +439,12 @@ func walkCheckPtrAlignment(n *ir.ConvExpr, init *ir.Nodes, count ir.Node) ir.Nod } n.X = cheapExpr(n.X, init) - init.Append(mkcall("checkptrAlignment", nil, init, typecheck.ConvNop(n.X, types.Types[types.TUNSAFEPTR]), reflectdata.TypePtr(elem), typecheck.Conv(count, types.Types[types.TUINTPTR]))) + checkPtrCall := mkcall("checkptrAlignment", nil, init, typecheck.ConvNop(n.X, types.Types[types.TUNSAFEPTR]), reflectdata.TypePtr(elem), typecheck.Conv(count, types.Types[types.TUINTPTR])) + if se != nil { + se.CheckPtrCall = checkPtrCall + } else { + init.Append(checkPtrCall) + } return n } |