From: Jeff Law <jeffreyalaw@gmail.com>
To: Philipp Tomsich <philipp.tomsich@vrull.eu>, gcc-patches@gcc.gnu.org
Cc: Christoph Muellner <christoph.muellner@vrull.eu>,
Palmer Dabbelt <palmer@rivosinc.com>,
Vineet Gupta <vineetg@rivosinc.com>,
Kito Cheng <kito.cheng@gmail.com>,
Jeff Law <jlaw@ventanamicro.com>
Subject: Re: [PATCH] RISC-V: Use .p2align for code-alignment
Date: Tue, 15 Nov 2022 09:37:42 -0700 [thread overview]
Message-ID: <d00234c0-9065-1926-ed35-7dbd7e18791a@gmail.com> (raw)
In-Reply-To: <20221113204119.4061447-1-philipp.tomsich@vrull.eu>
[-- Attachment #1: Type: text/plain, Size: 630 bytes --]
On 11/13/22 13:41, Philipp Tomsich wrote:
> RISC-V's .p2align (currently) ignores the max-skip argument. As we
> have experimental patches underway to address this in a
> backwards-compatible manner, let's prepare GCC for the day when
> binutils gets updated.
>
> gcc/ChangeLog:
>
> * config/riscv/riscv.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Implement.
What are the implications if we start using p2align immediately when the
current (broken?) state of the assembler? I'm pretty sure configure is
already turning on HAVE_GAS_SKIP_P2ALIGN. From a native risc-v build:
auto-host.h:#define HAVE_GAS_MAX_SKIP_P2ALIGN 1
jeff
next prev parent reply other threads:[~2022-11-15 16:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-13 20:41 Philipp Tomsich
2022-11-15 16:37 ` Jeff Law [this message]
2022-11-15 21:14 ` Philipp Tomsich
2022-11-16 0:36 ` Philipp Tomsich
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