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receiver= Received: from smtpout-03.galae.net (smtpout-03.galae.net [185.246.85.4]) by smtp1.osuosl.org (Postfix) with ESMTPS id ABC0680BE9 for ; Sun, 25 Oct 2026 20:49:08 +0000 (UTC) Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-03.galae.net (Postfix) with ESMTPS id 408294E41308 for ; Sun, 25 Oct 2026 20:49:06 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 026C260740; Sun, 25 Oct 2026 20:49:06 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id ACAA11032902C; Sun, 25 Oct 2026 21:49:04 +0100 (CET) Date: Sun, 25 Oct 2026 21:49:03 +0100 To: Yegor Yefremov Cc: buildroot@buildroot.org, Giulio Benetti , Romain Naour Message-ID: References: <20261024215009.1004860-1-yegorslists@googlemail.com> X-Archived-By: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20261024215009.1004860-1-yegorslists@googlemail.com> X-Last-TLS-Session-Version: TLSv1.3 Subject: Re: [Buildroot] [PATCH 1/2] toolchain: introduce BR2_TOOLCHAIN_HAS_GCC_BUG_104820 X-BeenThere: buildroot@buildroot.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Discussion and development of buildroot List-Archive: List-Post: List-Help: List-Subscribe: , From: Thomas Petazzoni via buildroot Reply-To: Thomas Petazzoni Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "buildroot" X-Spam-Status: No, score=-11.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS,WEIRD_PORT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Sat, Oct 24, 2026 at 11:50:08PM +0200, Yegor Yefremov wrote: > -fzero-call-used-regs is broken on MIPS before R6, which still has the > hi/lo registers: gcc either rejects -fzero-call-used-regs=used for > functions using them: > > sorry, unimplemented: argument 'used' is not supported for '-fzero-call-used-regs' on this target > > or, depending on the code, the ABI and the optimization level, ICEs: > > during RTL pass: zero_call_used_regs > channels.c:437:1: internal compiler error: in int_mode_for_mode, at stor-layout.cc:408 > > This has been reported upstream, and is still present in gcc 15.3.0: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104820 > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104817 > > MIPS R6 doesn't have hi/lo and is not affected. > > Assisted-by: Claude:claude-opus-5-5 > Signed-off-by: Yegor Yefremov Series applied to master, thanks! Best regards, Thomas Petazzoni -- Thomas Petazzoni, co-owner and CEO, Bootlin Embedded Linux and Kernel engineering and training https://bootlin.com _______________________________________________ buildroot mailing list buildroot@buildroot.org https://lists.buildroot.org/mailman/listinfo/buildroot