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(parent: 9aeced6) | patch
cmd/compile: add boolean simplification rules
authorJosh Bleecher Snyder <josharian@gmail.com>
Tue, 2 May 2017 23:43:27 +0000 (16:43 -0700)
committerJosh Bleecher Snyder <josharian@gmail.com>
Tue, 9 May 2017 21:50:55 +0000 (21:50 +0000)
commit6a24b2d0c1f5a8e2fa5ddb56db5a207671e8beb8
treeff53a876ab9d2176c0e71b91148d28238a063d03tree
parent9aeced650fec9114433e4c8f990046f7811c9d30commit | diff
cmd/compile: add boolean simplification rules

These collectively fire a few hundred times during make.bash,
mostly rewriting XOR SETNE -> SETEQ.

Fixes #17905.

Change-Id: Ic5eb241ee93ed67099da3de11f59e4df9fab64a3
Reviewed-on: https://go-review.googlesource.com/42491
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
src/cmd/compile/internal/ssa/gen/AMD64.rules diff | blob | history
src/cmd/compile/internal/ssa/gen/generic.rules diff | blob | history
src/cmd/compile/internal/ssa/rewriteAMD64.go diff | blob | history
src/cmd/compile/internal/ssa/rewritegeneric.go diff | blob | history
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