From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id cVURMwnafWrEYyMAWB0awg (envelope-from ) for ; Thu, 13 Aug 2026 10:51:53 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=simark.ca; s=mail; t=1786632713; bh=3UQGeREhUphwNW4HBt/ztIfJsHigxNPoMpC6BecI0BQ=; h=Date:Subject:To:Cc:References:From:In-Reply-To:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=dnhRcTVPob9zRC1LexFYamwZQOWP58yUmn4YGpH+SGGa07U7DePlgFPnNwzp6/Ob+ cclTF6BHTgbTkU9WlvEPZuwgZu3+YyBRinz98TDojMrMlLONwZcYewnFRGQlql3d6y OeHF5HI+9mbN5WafE84DQ8so2aj265kqVSOKSLTI= Received: by simark.ca (Postfix, from userid 112) id CCFE01E166; Thu, 13 Aug 2026 10:51:53 -0400 (EDT) X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-25) on simark.ca X-Spam-Level: X-Spam-Status: No, score=-5.4 required=5.0 tests=ARC_SIGNED,ARC_VALID,BAYES_00, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham autolearn_force=no version=4.0.1 Authentication-Results: simark.ca; dkim=pass (1024-bit key; unprotected) header.d=simark.ca header.i=@simark.ca header.a=rsa-sha256 header.s=mail header.b=opdBvu0N; dkim-atps=neutral Received: from vm01.sourceware.org (vm01.sourceware.org [IPv6:2620:52:6:3111::32]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by simark.ca (Postfix) with ESMTPS id 27A8C1E09B for ; Thu, 13 Aug 2026 10:51:53 -0400 (EDT) Received: from vm01.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 2F7564B9DB58 for ; Thu, 13 Aug 2026 14:51:51 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 2F7564B9DB58 Authentication-Results: sourceware.org; dkim=pass (1024-bit key, unprotected) header.d=simark.ca header.i=@simark.ca header.a=rsa-sha256 header.s=mail header.b=opdBvu0N Received: from simark.ca (simark.ca [158.69.221.121]) by sourceware.org (Postfix) with ESMTPS id EC1354BA5435 for ; Thu, 13 Aug 2026 14:51:27 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org EC1354BA5435 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=simark.ca Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=simark.ca ARC-Filter: OpenARC Filter v1.0.0 sourceware.org EC1354BA5435 Authentication-Results: sourceware.org; arc=none smtp.remote-ip=158.69.221.121 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1786632688; cv=none; b=Q/hudV0LaOGPz52OGPazMXUbsrCuXz2JNy8MAAYAofEjn7P4J8zJYytlKckO2ZyhK2ddHst3JMelIOUBd91V4WRUTInnG1YT7UlBGPDf6Y64GrEwf/LLM1x35TN6Af0C9S9/CbHnlsIrqQtNCxFrQTnKPAjEAHQOksjae3iJIds= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1786632688; c=relaxed/simple; bh=3UQGeREhUphwNW4HBt/ztIfJsHigxNPoMpC6BecI0BQ=; h=DKIM-Signature:Message-ID:Date:MIME-Version:Subject:To:From; b=A/G9vSPRu6cWC0FREjub0tKecELdFOIfG8mSp68xrVU181RfpdL1I4sjzzW0WZy6oJT9QRSHFFoZyb19hPxJ7dwah+gmIUqp9AA5rBKnkHUWBfMzCe+d5Ejuf6ap43E+xXi/K/eFioPaDMXm5rJA8F65ZPl4XSlDjj7IV81Gah0= ARC-Authentication-Results: i=1; sourceware.org; dkim=pass (1024-bit key, unprotected) header.d=simark.ca header.i=@simark.ca header.a=rsa-sha256 header.s=mail header.b=opdBvu0N DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org EC1354BA5435 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=simark.ca; s=mail; t=1786632687; bh=3UQGeREhUphwNW4HBt/ztIfJsHigxNPoMpC6BecI0BQ=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=opdBvu0Nu8RR94ecVEluwnY26fdk6maxaAlcALWWLR4Wmi+xXQTOiHGE2mxHgYNAY /C06bih3eOgO55EQh3TV9szzPf5HcPEyGH8LkH8ulUwLAYyMTijrpD1gaYxTG/zqCc T6y4Ky1Gey9CECX0w5ZQMD1/GO65fcl/f5dXTI/8= Received: by simark.ca (Postfix) id 6F9001E09B; Thu, 13 Aug 2026 10:51:26 -0400 (EDT) Message-ID: <91d78916-4871-4264-8d27-4d221ee424b5@simark.ca> Date: Thu, 13 Aug 2026 10:51:26 -0400 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] gdb/record: avoid rax usage in i386-avx-record.exp To: Guinevere Larsen , gdb-patches@sourceware.org Cc: Christina Joos References: <20260813131022.24873-1-guinevere@redhat.com> Content-Language: fr From: Simon Marchi In-Reply-To: <20260813131022.24873-1-guinevere@redhat.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces~public-inbox=simark.ca@sourceware.org On 8/13/26 9:10 AM, Guinevere Larsen wrote: > My recent commit, 1c04308f0958cbac83bad22703758139ea6969b6: > > Author: Guinevere Larsen > Date: Tue Jun 16 16:03:43 2026 -0300 > gdb/record: add support for BMI2 instructions > > Introduced a few tests that rely on the rax register being set before > entering the function. This isn't reliable, as programs compiled with > gcc-14 and earlier will have the register. To avoid compiler versions This sentence ends abruptly. It's not clear to me what the problem is, could you explain it in simple words :)? Simon