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From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
To: Nathan Chancellor <nathan@kernel.org>
Cc: Huacai Chen <chenhuacai@kernel.org>,
	Jiaxun Yang <jiaxun.yang@flygoat.com>,
	Nick Desaulniers <ndesaulniers@google.com>,
	Sergey Shtylyov <s.shtylyov@omp.ru>,
	linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org,
	llvm@lists.linux.dev,
	Ryutaroh Matsumoto <ryutaroh@ict.e.titech.ac.jp>
Subject: Re: [PATCH v2] MIPS: Loongson64: Use three arguments for slti
Date: Thu, 9 Dec 2021 10:31:21 +0100	[thread overview]
Message-ID: <20211209093121.GC7077@alpha.franken.de> (raw)
In-Reply-To: <20211208165616.1746108-1-nathan@kernel.org>

On Wed, Dec 08, 2021 at 09:56:17AM -0700, Nathan Chancellor wrote:
> LLVM's integrated assembler does not support 'slti <reg>, <imm>':
> 
> <instantiation>:16:12: error: invalid operand for instruction
>  slti $12, (0x6300 | 0x0008)
>            ^
> arch/mips/kernel/head.S:86:2: note: while in macro instantiation
>  kernel_entry_setup # cpu specific setup
>  ^
> <instantiation>:16:12: error: invalid operand for instruction
>  slti $12, (0x6300 | 0x0008)
>            ^
> arch/mips/kernel/head.S:150:2: note: while in macro instantiation
>  smp_slave_setup
>  ^
> 
> To increase compatibility with LLVM's integrated assembler, use the full
> form of 'slti <reg>, <reg>, <imm>', which matches the rest of
> arch/mips/. This does not result in any change for GNU as.
> 
> Link: https://github.com/ClangBuiltLinux/linux/issues/1526
> Reported-by: Ryutaroh Matsumoto <ryutaroh@ict.e.titech.ac.jp>
> Signed-off-by: Nathan Chancellor <nathan@kernel.org>
> ---
> 
> v1 -> v2: https://lore.kernel.org/r/20211207170129.578089-1-nathan@kernel.org/
> 
> * Fix typos in commit message ("stli" -> "slti") [Sergey]
> 
>  arch/mips/include/asm/mach-loongson64/kernel-entry-init.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

applied to mips-next.

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]

      reply	other threads:[~2021-12-09  9:59 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-08 16:56 [PATCH v2] MIPS: Loongson64: Use three arguments for slti Nathan Chancellor
2021-12-09  9:31 ` Thomas Bogendoerfer [this message]

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