| commit | 5ac247674884a93f3a7630649ee00923724e7961 | [log] [tgz] |
|---|---|---|
| author | Andrew Bonventre <andybons@golang.org> | Thu Aug 30 15:47:04 2018 -0600 |
| committer | Andrew Bonventre <andybons@golang.org> | Thu Aug 30 22:48:28 2018 +0000 |
| tree | 60a2e228717199b480e5c95bda781e036821f75f | |
| parent | 8201b92aae7ba51ed2e2645c1f7815bfe845db72 [diff] |
cmd/compile: make math/bits.RotateLeft* an intrinsic on amd64 Previously, pattern matching was good enough to achieve good performance for the RotateLeft* functions, but the inlining cost for them was much too high. Make RotateLeft* intrinsic on amd64 as a stop-gap for now to reduce inlining costs. This should be done (or at least looked at) for other architectures as well. Updates golang/go#17566 Change-Id: I6a106ff00b6c4e3f490650af3e083ed2be00c819 Reviewed-on: https://go-review.googlesource.com/132435 Run-TryBot: Andrew Bonventre <andybons@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: David Chase <drchase@google.com>
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