Keith Randall 12110c3f7e cmd/compile: improve multiplication strength reduction
Use an automatic algorithm to generate strength reduction code.
You give it all the linear combination (a*x+b*y) instructions in your
architecture, it figures out the rest.

Just amd64 and arm64 for now.

Fixes #67575

Change-Id: I35c69382bebb1d2abf4bb4e7c43fd8548c6c59a1
Reviewed-on: https://go-review.googlesource.com/c/go/+/626998
Reviewed-by: Jakub Ciolek <jakub@ciolek.dev>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Keith Randall <khr@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2025-05-01 09:33:31 -07:00
2025-04-18 14:13:31 -07:00
2025-03-20 04:38:55 -07:00
2024-08-09 14:54:31 +00:00
2024-07-22 17:45:27 +00:00

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