9d0320de25
Currently we assume alignment to 8 bytes, so we can steal the low 3 bits. This CL assumes alignment to 512 bytes, so we can steal the low 9 bits. That's 6 extra bits! Aligning to 512 bytes wastes a bit of space but it is not egregious. Most of the objects that we make tagged pointers to are pretty big. Update #49405 Change-Id: I66fc7784ac1be5f12f285de1d7851d5a6871fb75 Reviewed-on: https://go-review.googlesource.com/c/go/+/665815 Reviewed-by: Keith Randall <khr@google.com> Reviewed-by: Michael Knyszek <mknyszek@google.com> Auto-Submit: Keith Randall <khr@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
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