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From: Peter Maydell <peter.maydell@linaro.org>
To: Richard Henderson <richard.henderson@linaro.org>
Cc: QEMU Developers <qemu-devel@nongnu.org>
Subject: Re: [PATCH 17/19] target/arm: Add formats for some vfp 2 and 3-register insns
Date: Thu, 20 Feb 2020 17:40:48 +0000
Message-ID: <CAFEAcA9djfeZuU24Zp7shYDRucpRzaTFcxhNOtta4P0h-67hEg@mail.gmail.com> (raw)
In-Reply-To: <20200214181547.21408-18-richard.henderson@linaro.org>

On Fri, 14 Feb 2020 at 18:16, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> Those vfp instructions without extra opcode fields can
> share a common @format for brevity.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>  target/arm/vfp.decode | 134 ++++++++++++++++--------------------------
>  1 file changed, 52 insertions(+), 82 deletions(-)
>
> diff --git a/target/arm/vfp.decode b/target/arm/vfp.decode
> index 592fe9e1e4..4f294f88be 100644
> --- a/target/arm/vfp.decode
> +++ b/target/arm/vfp.decode
> @@ -46,6 +46,14 @@
>
>  %vmov_imm 16:4 0:4
>
> +@vfp_dnm_s   ................................ vm=%vm_sp vn=%vn_sp vd=%vd_sp
> +@vfp_dnm_d   ................................ vm=%vm_dp vn=%vn_dp vd=%vd_dp
> +
> +@vfp_dm_ss   ................................ vm=%vm_sp vd=%vd_sp
> +@vfp_dm_dd   ................................ vm=%vm_dp vd=%vd_dp
> +@vfp_dm_ds   ................................ vm=%vm_sp vd=%vd_dp
> +@vfp_dm_sd   ................................ vm=%vm_dp vd=%vd_sp

I'm less convinced about the ds and sd ones because there aren't
very many uses of them, and now you have to go back from the
insn line to the format line to check which way round the single
and the double are if you want to confirm that the decode is right.

But anyway
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

thanks
-- PMM


  reply index

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-14 18:15 [PATCH 00/19] target/arm: vfp feature and decodetree cleanup Richard Henderson
2020-02-14 18:15 ` [PATCH 01/19] target/arm: Fix field extract from MVFR[0-2] Richard Henderson
2020-02-14 18:29   ` Philippe Mathieu-Daudé
2020-02-14 18:35   ` Peter Maydell
2020-02-14 18:15 ` [PATCH 02/19] target/arm: Rename isar_feature_aa32_simd_r32 Richard Henderson
2020-02-14 18:50   ` Philippe Mathieu-Daudé
2020-02-21 15:58   ` Peter Maydell
2020-02-14 18:15 ` [PATCH 03/19] target/arm: Use isar_feature_aa32_simd_r32 more places Richard Henderson
2020-02-21 16:02   ` Peter Maydell
2020-02-14 18:15 ` [PATCH 04/19] target/arm: Set MVFR0.FPSP for ARMv5 cpus Richard Henderson
2020-02-21 16:02   ` Peter Maydell
2020-02-14 18:15 ` [PATCH 05/19] target/arm: Add isar_feature_aa32_simd_r16 Richard Henderson
2020-02-21 16:01   ` Peter Maydell
2020-02-14 18:15 ` [PATCH 06/19] target/arm: Rename isar_feature_aa32_fpdp_v2 Richard Henderson
2020-02-14 18:51   ` Philippe Mathieu-Daudé
2020-02-14 18:15 ` [PATCH 07/19] target/arm: Add isar_feature_aa32_{fpsp_v2, fpsp_v3, fpdp_v3} Richard Henderson
2020-02-21 16:03   ` Peter Maydell
2020-02-14 18:15 ` [PATCH 08/19] target/arm: Perform fpdp_v2 check first Richard Henderson
2020-02-21 16:04   ` Peter Maydell
2020-02-14 18:15 ` [PATCH 09/19] target/arm: Replace ARM_FEATURE_VFP3 checks with fp{sp, dp}_v3 Richard Henderson
2020-02-21 16:05   ` Peter Maydell
2020-02-14 18:15 ` [PATCH 10/19] target/arm: Add missing checks for fpsp_v2 Richard Henderson
2020-02-21 16:05   ` Peter Maydell
2020-02-14 18:15 ` [PATCH 11/19] target/arm: Replace ARM_FEATURE_VFP4 with isar_feature_aa32_simdfmac Richard Henderson
2020-02-20 16:37   ` Peter Maydell
2020-02-20 16:41     ` Peter Maydell
2020-02-20 17:55     ` Richard Henderson
2020-02-14 18:15 ` [PATCH 12/19] target/arm: Remove ARM_FEATURE_VFP check from disas_vfp_insn Richard Henderson
2020-02-20 17:19   ` Peter Maydell
2020-02-14 18:15 ` [PATCH 13/19] target/arm: Move VLLDM and VLSTM to vfp.decode Richard Henderson
2020-02-20 17:02   ` Peter Maydell
2020-02-14 18:15 ` [PATCH 14/19] target/arm: Move the vfp decodetree calls next to the base isa Richard Henderson
2020-02-20 17:16   ` Peter Maydell
2020-02-14 18:15 ` [PATCH 15/19] linux-user/arm: Replace ARM_FEATURE_VFP* tests for HWCAP Richard Henderson
2020-02-20 17:32   ` Peter Maydell
2020-02-14 18:15 ` [PATCH 16/19] target/arm: Remove ARM_FEATURE_VFP* Richard Henderson
2020-02-20 17:33   ` Peter Maydell
2020-02-14 18:15 ` [PATCH 17/19] target/arm: Add formats for some vfp 2 and 3-register insns Richard Henderson
2020-02-20 17:40   ` Peter Maydell [this message]
2020-02-14 18:15 ` [PATCH 18/19] target/arm: Split VFM decode Richard Henderson
2020-02-20 17:45   ` Peter Maydell
2020-02-14 18:15 ` [PATCH 19/19] target/arm: Split VMINMAXNM decode Richard Henderson
2020-02-20 17:49   ` Peter Maydell
2020-02-14 20:11 ` [PATCH 00/19] target/arm: vfp feature and decodetree cleanup no-reply
2020-02-20 17:52 ` Peter Maydell

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