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tcg: Implement gvec support for rotate by vector

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No host backend support yet, but the interfaces for rotlv
and rotrv are in place.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
v3: Drop the generic expansion from rot to shift; we can do better
    for each backend, and then this code becomes unused.
This commit is contained in:
Richard Henderson 2020-04-19 19:47:59 -07:00
parent b0f7e7444c
commit 5d0ceda902
13 changed files with 256 additions and 1 deletions
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3
tcg/tcg.c
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@ -1663,6 +1663,9 @@ bool tcg_op_supported(TCGOpcode op)
return have_vec && TCG_TARGET_HAS_shv_vec;
case INDEX_op_rotli_vec:
return have_vec && TCG_TARGET_HAS_roti_vec;
case INDEX_op_rotlv_vec:
case INDEX_op_rotrv_vec:
return have_vec && TCG_TARGET_HAS_rotv_vec;
case INDEX_op_ssadd_vec:
case INDEX_op_usadd_vec:
case INDEX_op_sssub_vec: