From patchwork Fri Jul 13 13:52:10 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pedro Franco de Carvalho X-Patchwork-Id: 28368 Received: (qmail 99506 invoked by alias); 13 Jul 2018 13:53:35 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Delivered-To: mailing list gdb-patches@sourceware.org Received: (qmail 99488 invoked by uid 89); 13 Jul 2018 13:53:35 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-27.6 required=5.0 tests=BAYES_00, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, RCVD_IN_DNSWL_LOW, SPF_PASS autolearn=ham version=3.3.2 spammy=membership X-HELO: mx0a-001b2d01.pphosted.com Received: from mx0b-001b2d01.pphosted.com (HELO mx0a-001b2d01.pphosted.com) (148.163.158.5) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Fri, 13 Jul 2018 13:53:33 +0000 Received: from pps.filterd (m0098416.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w6DDnCsa040411 for ; Fri, 13 Jul 2018 09:53:32 -0400 Received: from e33.co.us.ibm.com (e33.co.us.ibm.com [32.97.110.151]) by mx0b-001b2d01.pphosted.com with ESMTP id 2k6vpxsrxu-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Fri, 13 Jul 2018 09:53:31 -0400 Received: from localhost by e33.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 13 Jul 2018 07:53:31 -0600 Received: from b03cxnp08026.gho.boulder.ibm.com (9.17.130.18) by e33.co.us.ibm.com (192.168.1.133) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Fri, 13 Jul 2018 07:53:30 -0600 Received: from b03ledav006.gho.boulder.ibm.com (b03ledav006.gho.boulder.ibm.com [9.17.130.237]) by b03cxnp08026.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w6DDrRHB11272672 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 13 Jul 2018 06:53:27 -0700 Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C92BCC6055; Fri, 13 Jul 2018 07:53:27 -0600 (MDT) Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8A213C605A; Fri, 13 Jul 2018 07:53:27 -0600 (MDT) Received: from pedro.localdomain (unknown [9.85.180.127]) by b03ledav006.gho.boulder.ibm.com (Postfix) with ESMTP; Fri, 13 Jul 2018 07:53:27 -0600 (MDT) Received: by pedro.localdomain (Postfix, from userid 1000) id C5C383C02D5; Fri, 13 Jul 2018 10:53:24 -0300 (-03) From: Pedro Franco de Carvalho To: gdb-patches@sourceware.org Cc: uweigand@de.ibm.com, edjunior@gmail.com Subject: [PATCH 01/17] [PowerPC] Simplify rs6000_pseudo_register_reggroup_p Date: Fri, 13 Jul 2018 10:52:10 -0300 In-Reply-To: <20180713135226.2321-1-pedromfc@linux.ibm.com> References: <20180713135226.2321-1-pedromfc@linux.ibm.com> x-cbid: 18071313-0036-0000-0000-00000A0EA60C X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00009363; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000266; SDB=6.01060763; UDB=6.00544526; IPR=6.00838681; MB=3.00022128; MTD=3.00000008; XFM=3.00000015; UTC=2018-07-13 13:53:31 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18071313-0037-0000-0000-000048164BDF Message-Id: <20180713135226.2321-2-pedromfc@linux.ibm.com> This patch changes rs6000_register_reggroup_p to use default_register_reggroup_p when possible. Group membership for SPE, VSX and EFP pseudoregisters can be detected through their types in default_register_reggroup_p. DFP pseudoregs still need special handling when checking membership to the float group, because default_register_reggroup_p doesn't consider registers with type code TYPE_CODE_DECFLOAT to be part of the float group. gdb/ChangeLog: YYYY-MM-DD Pedro Franco de Carvalho * rs6000-tdep.c (rs6000_pseudo_register_reggroup_p): Call default_register_reggroup_p. --- gdb/rs6000-tdep.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c index 4eeb62ac52..55ce22ea85 100644 --- a/gdb/rs6000-tdep.c +++ b/gdb/rs6000-tdep.c @@ -2423,12 +2423,12 @@ rs6000_pseudo_register_reggroup_p (struct gdbarch *gdbarch, int regnum, || IS_VSX_PSEUDOREG (tdep, regnum) || IS_EFP_PSEUDOREG (tdep, regnum)); - /* These are the e500 pseudo-registers or the POWER7 VSX registers. */ - if (IS_SPE_PSEUDOREG (tdep, regnum) || IS_VSX_PSEUDOREG (tdep, regnum)) - return group == all_reggroup || group == vector_reggroup; - else - /* PPC decimal128 or Extended FP pseudo-registers. */ - return group == all_reggroup || group == float_reggroup; + /* builtin_declong doesn't have TYPE_CODE_FLT, so it won't be + detected as a float register by default_register_reggroup_p. */ + if (IS_DFP_PSEUDOREG (tdep, regnum) && group == float_reggroup) + return 1; + + return default_register_reggroup_p (gdbarch, regnum, group); } /* The register format for RS/6000 floating point registers is always