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target/arm: Implement NOT (prediates) alias

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This alias is defined on EOR (prediates).  While the
same operation could be performed with NAND or NOR,
only bother with the official alias.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220527181907.189259-81-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2022-05-27 11:18:33 -07:00 committed by Peter Maydell
parent 23e5fa5f90
commit 738b679cc9
1 changed files with 5 additions and 0 deletions
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target/arm/translate-sve.c
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@ -1381,6 +1381,11 @@ static bool trans_EOR_pppp(DisasContext *s, arg_rprr_s *a)
.fno = gen_helper_sve_eor_pppp,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
};
/* Alias NOT (predicate) is EOR Pd.B, Pg/Z, Pn.B, Pg.B */
if (!a->s && a->pg == a->rm) {
return gen_gvec_fn_ppp(s, tcg_gen_gvec_andc, a->rd, a->pg, a->rn);
}
return do_pppp_flags(s, a, &op);
}