From: Richard Earnshaw <Richard.Earnshaw@foss.arm.com>
To: Stefan Ring <stefanrin@gmail.com>,
"gcc-help@gcc.gnu.org" <gcc-help@gcc.gnu.org>
Subject: Re: A ARM target question
Date: Thu, 16 Jun 2022 10:06:49 +0100 [thread overview]
Message-ID: <22364bdc-6cb5-b612-b3fa-bbb7476bcc7c@foss.arm.com> (raw)
In-Reply-To: <CAAxjCEz4BEQHfJDPU=7qxLcqmwNy_WbeyW3VsjTc1H=HZ5KnBw@mail.gmail.com>
On 15/06/2022 18:31, Stefan Ring via Gcc-help wrote:
> On Tue, Jun 14, 2022 at 6:58 AM Gary Oblock via Gcc-help
> <gcc-help@gcc.gnu.org> wrote:
>>
>> What is the target specification for a ARMv8.2A? I'm trying to build a cross compiler
>> that can emit Thumb2 instructions for this architectue.
>
> Are you talking about 32bit arm or aarch64? ARMv8.2A sounds like 64
> bits, but Thumb2 sounds like 32 bits.
Armv8 supports both AArch32 (32-bit) and AArch64 (64-bit) execution
states. To generate code for AArch32 you'll need the 'arm'
configurations of GCC. The 'aarch64' configuration can only generate
code for 64-bit state.
R.
next prev parent reply other threads:[~2022-06-16 9:06 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-14 4:57 Gary Oblock
2022-06-14 18:09 ` fedor_qd
2022-06-15 17:31 ` Stefan Ring
2022-06-16 9:06 ` Richard Earnshaw [this message]
[not found] ` <BYAPR01MB54649B0092B3C6403A697BC6C6AC9@BYAPR01MB5464.prod.exchangelabs.com>
[not found] ` <CAAxjCEzn+hm2eUShpaEmH9kLMo-rSTU71dNvMRmdqgt_wVvt2Q@mail.gmail.com>
2022-06-17 5:33 ` Gary Oblock
2022-06-17 11:59 ` Jonathan Wakely
2022-06-22 2:54 Gary Oblock
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