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| author | Alexandru Moșoi <mosoi@google.com> | 2016-03-01 13:39:47 +0100 |
|---|---|---|
| committer | Alexandru Moșoi <alexandru@mosoi.ro> | 2016-03-01 17:05:13 +0000 |
| commit | 1f6e9e36b0aba3d2459c80b2c8e905d9cc57f7ce (patch) | |
| tree | 2127472ddfa265d962071ef674205570bb6b631c /src/database/sql | |
| parent | e96b232993fa8edb478f32041e08e5cf5c74395d (diff) | |
| download | go-1f6e9e36b0aba3d2459c80b2c8e905d9cc57f7ce.tar.xz | |
[dev.ssa] cmd/compile/internal/ssa: distribute multiplication into addition
* This is a very basic form of straight line strength reduction.
* Removes one multiplication from a[b].c++; a[b+1].c++
* It increases pressure on the register allocator because
CSE creates more copies of the multiplication sizeof(a[0])*b.
Change-Id: I686a18e9c24cc6f8bdfa925713afed034f7d36d0
Reviewed-on: https://go-review.googlesource.com/20091
Run-TryBot: Alexandru Moșoi <alexandru@mosoi.ro>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
Diffstat (limited to 'src/database/sql')
0 files changed, 0 insertions, 0 deletions