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author | Richard Henderson <richard.henderson@linaro.org> | 2022-05-27 11:18:33 -0700 |
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committer | Peter Maydell <peter.maydell@linaro.org> | 2022-05-30 17:05:09 +0100 |
commit | 738b679cc961bd086f14d7d7e3f4be116a719810 (patch) | |
tree | 116eb632eb51c0543b2c53101885a56ba767f6c4 /target | |
parent | 23e5fa5f90a6073f270ec89418085e4cb341a4ea (diff) | |
download | qemu-738b679cc961bd086f14d7d7e3f4be116a719810.zip qemu-738b679cc961bd086f14d7d7e3f4be116a719810.tar.gz qemu-738b679cc961bd086f14d7d7e3f4be116a719810.tar.bz2 |
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 <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>
Diffstat (limited to 'target')
-rw-r--r-- | target/arm/translate-sve.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index f33bc9d..b6b5980 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); } |