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tcg: Implement gvec support for rotate by immediate

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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>
This commit is contained in:
Richard Henderson 2020-04-19 18:01:52 -07:00
parent cccdd8c797
commit b0f7e7444c
13 changed files with 150 additions and 1 deletions
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1
tcg/i386/tcg-target.h
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@ -183,6 +183,7 @@ extern bool have_avx2;
#define TCG_TARGET_HAS_not_vec 0
#define TCG_TARGET_HAS_neg_vec 0
#define TCG_TARGET_HAS_abs_vec 1
#define TCG_TARGET_HAS_roti_vec 0
#define TCG_TARGET_HAS_shi_vec 1
#define TCG_TARGET_HAS_shs_vec 1
#define TCG_TARGET_HAS_shv_vec have_avx2