467a2cb73c
Fixes golang/go#12133 CL 13630 fixed the use of a stale reg[] array in the various arch backends which was causing the check in clearfat to pass unconditionally on arm64. With this check fixed, arm64 now considers REGRT1 to always be in use as it is part of the reserved register set, see arm64/gsubr.go. However, ppc64 does not consider REGRT1 and REGRT2 to be part of its reserved set, so its identical clearfat check passes. This CL removes the Reginuse check inside clearfat as REGRT1 is guarenteed always be free on arm64. Change-Id: I4719150d3c3378fae155b863c474529df18d4c17 Reviewed-on: https://go-review.googlesource.com/13650 Reviewed-by: Russ Cox <rsc@golang.org> |
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