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From: Jeff Law <jeffreyalaw@gmail.com>
To: Tsukasa OI <research_trasio@irq.a4lg.com>,
	Andrew Burgess <aburgess@redhat.com>,
	Mike Frysinger <vapier@gentoo.org>,
	Nick Clifton <nickc@redhat.com>
Cc: binutils@sourceware.org
Subject: Re: [PATCH 15/40] sim/h8300: Add "+ 0x0" to avoid self-assignments
Date: Tue, 25 Oct 2022 07:54:30 -0600	[thread overview]
Message-ID: <37bcefe7-ad9f-f766-37b0-e682a66f1eeb@gmail.com> (raw)
In-Reply-To: <5ab303a5bdfc1da7832f8fa22f57678c9ef1a5fa.1666257885.git.research_trasio@irq.a4lg.com>


On 10/20/22 03:26, Tsukasa OI via Binutils wrote:
> Clang generates a warning if there is a redundant self-assignment
> ("-Wself-assign").  On the default configuration, it causes a build failure
> (unless "--disable-werror" is specified).
>
> However, removing self-assignments in step_once function makes the code less
> readable.  Instead, this commit inserts dummy addition to match the comments
> "Value added == 0".  This is redundant but will suppress warnings and
> matches with other branches better.  It will be also optimized away so we
> can ignore performance impact on this.
> ---
>   sim/h8300/compile.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)

OK.

jeff



  reply	other threads:[~2022-10-25 13:54 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-20  9:25 [PATCH 00/40] sim+gdb: Suppress warnings if built with Clang (big batch 1) Tsukasa OI
2022-10-20  9:25 ` [PATCH 01/40] gdb/unittests: PR28413, suppress warnings generated by Gnulib Tsukasa OI
2022-10-20  9:25 ` [PATCH 02/40] sim: Check known getrusage declaration existence Tsukasa OI
2022-10-20  9:25 ` [PATCH 03/40] sim/aarch64: Remove unused functions Tsukasa OI
2022-10-20  9:25 ` [PATCH 04/40] cpu/cris: Initialize some variables on CRIS CPU Tsukasa OI
2022-10-22  1:59   ` Hans-Peter Nilsson
2022-10-20  9:25 ` [PATCH 05/40] cpu/cris: Add u-stall virtual unit to CRIS v32 Tsukasa OI
2022-10-22  1:44   ` Hans-Peter Nilsson
2022-10-20  9:25 ` [PATCH 06/40] sim/cris: Move declarations of f_specific_init Tsukasa OI
2022-10-22  1:46   ` Hans-Peter Nilsson
2022-10-20  9:25 ` [PATCH 07/40] sim/cris: Regenerate with CGEN Tsukasa OI
2022-10-22  2:02   ` Hans-Peter Nilsson
2022-10-20  9:25 ` [PATCH 08/40] sim/erc32: Insert void parameter Tsukasa OI
2022-10-20  9:25 ` [PATCH 09/40] sim/erc32: Use int32_t as event callback argument Tsukasa OI
2022-10-20  9:25 ` [PATCH 10/40] sim/erc32: Use int32_t as IRQ " Tsukasa OI
2022-10-20  9:25 ` [PATCH 11/40] cpu/frv: Initialize some variables Tsukasa OI
2022-10-20  9:25 ` [PATCH 12/40] sim/frv: Initialize nesr variable Tsukasa OI
2022-10-20  9:25 ` [PATCH 13/40] sim/frv: Initialize some variables Tsukasa OI
2022-10-20  9:26 ` [PATCH 14/40] sim/frv: Add explicit casts Tsukasa OI
2022-10-20  9:26 ` [PATCH 15/40] sim/h8300: Add "+ 0x0" to avoid self-assignments Tsukasa OI
2022-10-25 13:54   ` Jeff Law [this message]
2022-10-20  9:26 ` [PATCH 16/40] sim/lm32: fix some missing function declaration warnings Tsukasa OI
2022-10-20  9:26 ` [PATCH 17/40] sim/lm32: Add explicit casts Tsukasa OI
2022-10-20  9:32 ` [PATCH 00/40] sim+gdb: Suppress warnings if built with Clang (big batch 1) Tsukasa OI
2022-10-22 19:01 ` Mike Frysinger
2022-10-24  7:59   ` Tsukasa OI

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