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[dev.ssa] cmd/compile: use wider move instruction for floats
authorKeith Randall <khr@golang.org>
Fri, 15 Jan 2016 16:45:47 +0000 (08:45 -0800)
committerKeith Randall <khr@golang.org>
Tue, 19 Jan 2016 15:44:03 +0000 (15:44 +0000)
commit90065eaba42c044af0a35cfc2abda76e9c58ccd3
tree188d1ba94f4961334cc710bdf740b174c20518c0tree
parentda8af47710818617d765a25f0ff487fe8d633250commit | diff
[dev.ssa] cmd/compile: use wider move instruction for floats

Distinguish move/load/store ops.  Unify some of this code a bit.

Reduces Mandelbrot slowdown with SSA from 58% to 12%.

Change-Id: I3276eaebcbcdd9de3f8299c79b5f25c0429194c4
Reviewed-on: https://go-review.googlesource.com/18677
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: David Chase <drchase@google.com>
src/cmd/compile/internal/gc/ssa.go diff | blob | history
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