linux-kernel - Re: [PATCH v3 4/4] ARM: pass -march= only to compiler

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Message-ID: <YoYQHE8SBzi2HS+H@shell.armlinux.org.uk>
Date:   Thu, 19 May 2022 10:38:36 +0100
From:   "Russell King (Oracle)" <linux@...linux.org.uk>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     David Spickett <david.spickett@...aro.org>,
        Ard Biesheuvel <ardb@...nel.org>,
        Arnd Bergmann <arnd@...db.de>, llvm@...ts.linux.dev,
        kbuild-all@...ts.01.org, Masahiro Yamada <masahiroy@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kernel test robot <lkp@...el.com>
Subject: Re: [PATCH v3 4/4] ARM: pass -march= only to compiler

On Wed, May 18, 2022 at 03:38:18PM -0700, Nick Desaulniers wrote:
> (so it seems that the preprocessor definition of `__thumb2__` is
> dependent on `-march=`, not `-Wa,-march=`).

Yes, it will be. -Wa,... are only ever passed to the assembler and do
not affect the preprocessor nor the compiler with GCC.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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