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| author | Richard Henderson | 2020-04-20 03:01:52 +0200 |
|---|---|---|
| committer | Richard Henderson | 2020-06-02 17:42:37 +0200 |
| commit | b0f7e7444c03da17e41bf327c8aea590104a28ab (patch) | |
| tree | 8f3924b2a96e628be571d6d000aa27f63cf58d19 /tcg/README | |
| parent | Merge remote-tracking branch 'remotes/ehabkost/tags/machine-next-pull-request... (diff) | |
| download | qemu-b0f7e7444c03da17e41bf327c8aea590104a28ab.tar.gz qemu-b0f7e7444c03da17e41bf327c8aea590104a28ab.tar.xz qemu-b0f7e7444c03da17e41bf327c8aea590104a28ab.zip | |
tcg: Implement gvec support for rotate by immediate
No host backend support yet, but the interfaces for rotli
are in place. Canonicalize immediate rotate to the left,
based on a survey of architectures, but provide both left
and right shift interfaces to the translators.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/README')
| -rw-r--r-- | tcg/README | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tcg/README b/tcg/README index bfa2e4ed24..1e3e4654f4 100644 --- a/tcg/README +++ b/tcg/README @@ -605,10 +605,11 @@ E.g. VECL=1 -> 64 << 1 -> v128, and VECE=2 -> 1 << 2 -> i32. * shri_vec v0, v1, i2 * sari_vec v0, v1, i2 +* rotli_vec v0, v1, i2 * shrs_vec v0, v1, s2 * sars_vec v0, v1, s2 - Similarly for logical and arithmetic right shift. + Similarly for logical and arithmetic right shift, and left rotate. * shlv_vec v0, v1, v2 |