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cmd/compile: prefer rematerializeable arg0 for HMUL
authorJosh Bleecher Snyder <josharian@gmail.com>
Sat, 16 Jun 2018 13:54:23 +0000 (06:54 -0700)
committerJosh Bleecher Snyder <josharian@gmail.com>
Tue, 4 Sep 2018 14:57:03 +0000 (14:57 +0000)
commit24e51bbe64b4a534b096a3b0c6bfae6a732eea59
tree98a72eece4c8be7a783094b094255514dcbb38d7tree
parent2179e495cec167f42ff7d0007668d9c09ce15958commit | diff
cmd/compile: prefer rematerializeable arg0 for HMUL

This prevents accidental regalloc regressions
that otherwise can occur from unrelated changes.

Change-Id: Iea356fb1a24766361fce13748dc1b46e57b21cea
Reviewed-on: https://go-review.googlesource.com/129375
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
src/cmd/compile/internal/ssa/gen/AMD64.rules diff | blob | history
src/cmd/compile/internal/ssa/rewriteAMD64.go diff | blob | history
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