773039ed5c
Generate the CC version of many opcodes whose result is compared against signed 0. The approach taken here works even if the opcode result is used in multiple places too. Add support for ADD, ADDconst, ANDN, SUB, NEG, CNTLZD, NOR conversions to their CC opcode variant. These are the most commonly used variants. Also, do not set clobberFlags of CNTLZD and CNTLZW, they do not clobber flags. This results in about 1% smaller text sections in kubernetes binaries, and no regressions in the crypto benchmarks. Change-Id: I9e0381944869c3774106bf348dead5ecb96dffda Reviewed-on: https://go-review.googlesource.com/c/go/+/538636 Run-TryBot: Paul Murphy <murp@ibm.com> TryBot-Result: Gopher Robot <gobot@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Jayanth Krishnamurthy <jayanth.krishnamurthy@ibm.com> Reviewed-by: Heschi Kreinick <heschi@google.com> Reviewed-by: Cherry Mui <cherryyz@google.com> Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com> |
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SECURITY.md |
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