74163c895a
The spill/restore code around morestack is almost never exectued, so we should make it as small as possible. Using 2-register loads/stores makes sense here. Also, the offsets from SP are pretty small so the offset almost always fits in the (smaller than a normal load/store) offset field of the instruction. Makes cmd/go 0.6% smaller. Change-Id: I8845283c1b269a259498153924428f6173bda293 Reviewed-on: https://go-review.googlesource.com/c/go/+/621556 LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Keith Randall <khr@google.com> Reviewed-by: Cherry Mui <cherryyz@google.com> |
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