| commit | 0f79510dc5d2e586924dae6e531529fe5fa7cbd2 | [log] [tgz] |
|---|---|---|
| author | Michael Munday <mike.munday@ibm.com> | Thu Jan 24 16:16:41 2019 +0000 |
| committer | Michael Munday <mike.munday@ibm.com> | Tue Apr 16 09:17:24 2019 +0000 |
| tree | ce1eba2fdaeb3f2e0df1b83d91139c20176cfa19 | |
| parent | 9c843f031d31d85891d08f68ca5e6009a83bb0ce [diff] |
cmd/asm: add s390x 'rotate then ... selected bits' instructions This CL adds the following instructions, useful for shifting/rotating and masking operations: * RNSBG - rotate then and selected bits * ROSBG - rotate then or selected bits * RXSBG - rotate then exclusive or selected bits * RISBG - rotate then insert selected bits It also adds the 'T' (test), 'Z' (zero), 'H' (high), 'L' (low) and 'N' (no test) variants of these instructions as appropriate. Operands are ordered as: I₃, I₄, I₅, R₂, R₁. Key: I₃=start, I₄=end, I₅=amount, R₂=source, R₁=destination Change-Id: I200d12287e1df7447f37f4919da5e9a93d27c792 Reviewed-on: https://go-review.googlesource.com/c/go/+/159357 Run-TryBot: Michael Munday <mike.munday@ibm.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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