From 738b679cc961bd086f14d7d7e3f4be116a719810 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Fri, 27 May 2022 11:18:33 -0700 Subject: [PATCH] target/arm: Implement NOT (prediates) alias 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 Message-id: 20220527181907.189259-81-richard.henderson@linaro.org Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- target/arm/translate-sve.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index f33bc9d480..b6b5980e2d 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -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); } -- 2.11.4.GIT