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[PATCH 080/114] target/arm: Implement NOT (prediates) alias
From: |
Richard Henderson |
Subject: |
[PATCH 080/114] target/arm: Implement NOT (prediates) alias |
Date: |
Fri, 27 May 2022 11:18:33 -0700 |
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>
---
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);
}
--
2.34.1
- [PATCH 062/114] target/arm: Use TRANS_FEAT for do_clast_general, (continued)
- [PATCH 062/114] target/arm: Use TRANS_FEAT for do_clast_general, Richard Henderson, 2022/05/27
- [PATCH 061/114] target/arm: Use TRANS_FEAT for do_clast_fp, Richard Henderson, 2022/05/27
- [PATCH 072/114] target/arm: Reject add/sub w/ shifted byte early, Richard Henderson, 2022/05/27
- [PATCH 079/114] target/arm: Move sve check into gen_gvec_fn_ppp, Richard Henderson, 2022/05/27
- [PATCH 068/114] target/arm: Use TRANS_FEAT for do_ppzi_flags, Richard Henderson, 2022/05/27
- [PATCH 065/114] target/arm: Use TRANS_FEAT for SPLICE, Richard Henderson, 2022/05/27
- [PATCH 070/114] target/arm: Use TRANS_FEAT for MUL_zzi, Richard Henderson, 2022/05/27
- [PATCH 073/114] target/arm: Reject copy w/ shifted byte early, Richard Henderson, 2022/05/27
- [PATCH 071/114] target/arm: Reject dup_i w/ shifted byte early, Richard Henderson, 2022/05/27
- [PATCH 075/114] target/arm: Use TRANS_FEAT for do_zzi_sat, Richard Henderson, 2022/05/27
- [PATCH 080/114] target/arm: Implement NOT (prediates) alias,
Richard Henderson <=
- [PATCH 081/114] target/arm: Use TRANS_FEAT for SEL_zpzz, Richard Henderson, 2022/05/27
- [PATCH 086/114] target/arm: Use TRANS_FEAT for DO_FP3, Richard Henderson, 2022/05/27
- [PATCH 087/114] target/arm: Use TRANS_FEAT for FMUL_zzx, Richard Henderson, 2022/05/27
- [PATCH 088/114] target/arm: Use TRANS_FEAT for FTMAD, Richard Henderson, 2022/05/27
- [PATCH 092/114] target/arm: Expand frint_fns for MO_8, Richard Henderson, 2022/05/27
- [PATCH 082/114] target/arm: Use TRANS_FEAT for MOVPRFX, Richard Henderson, 2022/05/27
- [PATCH 083/114] target/arm: Use TRANS_FEAT for FMLA, Richard Henderson, 2022/05/27
- [PATCH 095/114] target/arm: Use TRANS_FEAT for do_frint_mode, Richard Henderson, 2022/05/27
- [PATCH 094/114] target/arm: Move null function and sve check into do_frint_mode, Richard Henderson, 2022/05/27
- [PATCH 096/114] target/arm: Use TRANS_FEAT for FLOGB, Richard Henderson, 2022/05/27