From: Sergey Fedorov <serge.fdrv@gmail.com>
To: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
qemu-devel@nongnu.org, peter.maydell@linaro.org
Cc: edgar.iglesias@xilinx.com, qemu-arm@nongnu.org,
alex.bennee@linaro.org, rth@twiddle.net
Subject: Re: [Qemu-devel] [PATCH v1 5/9] target-arm/translate-a64.c: Use extract32 in disas_ldst_reg_imm9
Date: Wed, 17 Feb 2016 00:09:13 +0300 [thread overview]
Message-ID: <56C38FF9.1090301@gmail.com> (raw)
In-Reply-To: <1455287642-28166-6-git-send-email-edgar.iglesias@gmail.com>
On 12.02.2016 17:33, Edgar E. Iglesias wrote:
> From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
>
> Use extract32 instead of open coding the bit masking when decoding
> is_signed and is_extended. This streamlines the decoding with some
> of the other ldst variants.
>
> No functional change.
>
> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Sergey Fedorov <serge.fdrv@gmail.com>
> ---
> target-arm/translate-a64.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/target-arm/translate-a64.c b/target-arm/translate-a64.c
> index 7f65aea..bf31f8a 100644
> --- a/target-arm/translate-a64.c
> +++ b/target-arm/translate-a64.c
> @@ -2117,8 +2117,8 @@ static void disas_ldst_reg_imm9(DisasContext *s, uint32_t insn)
> return;
> }
> is_store = (opc == 0);
> - is_signed = opc & (1<<1);
> - is_extended = (size < 3) && (opc & 1);
> + is_signed = extract32(opc, 1, 1);
> + is_extended = (size < 3) && extract32(opc, 0, 1);
> }
>
> switch (idx) {
next prev parent reply other threads:[~2016-02-16 21:09 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-12 14:33 [Qemu-devel] [PATCH v1 0/9] arm: Steps towards EL2 support round 6 Edgar E. Iglesias
2016-02-12 14:33 ` [Qemu-devel] [PATCH v1 1/9] tcg: Add tcg_set_insn_param Edgar E. Iglesias
2016-02-12 14:33 ` [Qemu-devel] [PATCH v1 2/9] gen-icount: Use tcg_set_insn_param Edgar E. Iglesias
2016-02-12 14:33 ` [Qemu-devel] [PATCH v1 3/9] target-arm: Add the thumb/IL flag to syn_data_abort Edgar E. Iglesias
2016-02-16 19:04 ` Sergey Fedorov
2016-02-18 9:48 ` Edgar E. Iglesias
2016-02-12 14:33 ` [Qemu-devel] [PATCH v1 4/9] target-arm: Add more fields to the data abort syndrome generator Edgar E. Iglesias
2016-02-12 14:33 ` [Qemu-devel] [PATCH v1 5/9] target-arm/translate-a64.c: Use extract32 in disas_ldst_reg_imm9 Edgar E. Iglesias
2016-02-16 21:09 ` Sergey Fedorov [this message]
2016-02-12 14:33 ` [Qemu-devel] [PATCH v1 6/9] target-arm/translate-a64.c: Unify some of the ldst_reg decoding Edgar E. Iglesias
2016-02-16 21:11 ` Sergey Fedorov
2016-02-12 14:34 ` [Qemu-devel] [PATCH v1 7/9] target-arm: Add the ARMInsnSyndrome type Edgar E. Iglesias
2016-02-16 19:11 ` Peter Maydell
2016-02-12 14:34 ` [Qemu-devel] [PATCH v1 8/9] target-arm: A64: Create Instruction Syndromes for Data Aborts Edgar E. Iglesias
2016-02-16 19:13 ` Peter Maydell
2016-02-18 9:56 ` Edgar E. Iglesias
2016-02-18 11:42 ` Peter Maydell
2016-02-19 13:12 ` Edgar E. Iglesias
2016-02-12 14:34 ` [Qemu-devel] [PATCH v1 9/9] target-arm: Use isyn.swstep.ex to hold the is_ldex state Edgar E. Iglesias
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