| commit | 782ee23884b7f812ab3191b9d839955493d27c73 | [log] [tgz] |
|---|---|---|
| author | Ilya Tocar <ilya.tocar@intel.com> | Wed Aug 23 11:08:56 2017 -0500 |
| committer | Ilya Tocar <ilya.tocar@intel.com> | Wed Aug 30 16:22:18 2017 +0000 |
| tree | 122dc6d605f1a584fc75fa3246ff795560ff61b1 | |
| parent | 2ac43d5be2e6b48b9806f9456d932d2884705e10 [diff] |
cmd/compile/internal/ssa: remove redundant zeroextensions on amd64 Some instructions operating on <= 32 bits also zero out upper 32bits. Remove zeroextensions of such values. Triggers a few times during all.bash. Also removes ugly code like: MOVL CX,CX Change-Id: I66a46c190dd6929b7e3c52f3fe6b967768d00638 Reviewed-on: https://go-review.googlesource.com/58090 Run-TryBot: Ilya Tocar <ilya.tocar@intel.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Keith Randall <khr@golang.org>
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