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authorRichard Henderson <richard.henderson@linaro.org>2020-04-19 18:01:52 -0700
committerRichard Henderson <richard.henderson@linaro.org>2020-06-02 08:42:37 -0700
commitb0f7e7444c03da17e41bf327c8aea590104a28ab (patch)
tree8f3924b2a96e628be571d6d000aa27f63cf58d19 /tcg/README
parentcccdd8c7971896c339d59c9c5d4647d4ffd9568a (diff)
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/README3
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