dca577d882
This allows more effective conversion of rotate and mask opcodes into their CC equivalents, while simplifying the first lowering pass. This was removed before the latelower pass was introduced to fold more cases of compare against zero. Add ANDconst to push the conversion of ANDconst to ANDCCconst into latelower with the other CC opcodes. This also requires introducing RLDICLCC to prevent regressions when ANDconst is converted to RLDICL then to RLDICLCC and back to ANDCCconst when possible. Change-Id: I9e5f9c99fbefa334db18c6c152c5f967f3ff2590 Reviewed-on: https://go-review.googlesource.com/c/go/+/586160 Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Carlos Amedee <carlos@golang.org> |
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