From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 32479 invoked by alias); 1 Aug 2012 12:07:47 -0000 Received: (qmail 32459 invoked by uid 22791); 1 Aug 2012 12:07:44 -0000 X-SWARE-Spam-Status: No, hits=-4.2 required=5.0 tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,KHOP_RCVD_TRUST,RCVD_IN_DNSWL_LOW,RCVD_IN_HOSTKARMA_YE,TW_ZJ X-Spam-Check-By: sourceware.org Received: from mail-pb0-f47.google.com (HELO mail-pb0-f47.google.com) (209.85.160.47) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 01 Aug 2012 12:07:29 +0000 Received: by pbbrq2 with SMTP id rq2so967423pbb.20 for ; Wed, 01 Aug 2012 05:07:28 -0700 (PDT) MIME-Version: 1.0 Received: by 10.68.219.162 with SMTP id pp2mr51381386pbc.85.1343822848114; Wed, 01 Aug 2012 05:07:28 -0700 (PDT) Received: by 10.66.11.130 with HTTP; Wed, 1 Aug 2012 05:07:28 -0700 (PDT) Date: Wed, 01 Aug 2012 12:07:00 -0000 Message-ID: Subject: [PATCH, i386]: Prevent SImode subregs of stack pointer in addresses From: Uros Bizjak To: gcc-patches@gcc.gnu.org Cc: "H.J. Lu" Content-Type: multipart/mixed; boundary=e89a8ff24a2b80bfa104c633231a Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org X-SW-Source: 2012-08/txt/msg00015.txt.bz2 --e89a8ff24a2b80bfa104c633231a Content-Type: text/plain; charset=ISO-8859-1 Content-length: 568 Hello! For some reason simplify_subreg does not like stack pointer. We call simplify_subreg when printing address operands, so we have to prevent SImode subregs of stack pointers from going into the address. 2012-08-01 Uros Bizjak * config/i386/i386.c (ix86_address_subreg_operand): Reject stack pointer. (ix86_print_operand_address): Assert that parts.base and parts.index are non-NULL after call to simplify_subreg. Tested on x86_64-pc-linux-gnu {,-m32} and committed to mainline SVN. The patch will be backported to 4.7 branch. Uros. --e89a8ff24a2b80bfa104c633231a Content-Type: text/plain; charset=US-ASCII; name="p.diff.txt" Content-Disposition: attachment; filename="p.diff.txt" Content-Transfer-Encoding: base64 X-Attachment-Id: f_h5cdf0790 Content-length: 1505 SW5kZXg6IGkzODYuYwo9PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09Ci0tLSBpMzg2 LmMJKHJldmlzaW9uIDE5MDAwNSkKKysrIGkzODYuYwkod29ya2luZyBjb3B5 KQpAQCAtMTE2NTcsNiArMTE2NTcsMTAgQEAgaXg4Nl9hZGRyZXNzX3N1YnJl Z19vcGVyYW5kIChydHggb3ApCiAgIGlmIChHRVRfTU9ERV9TSVpFIChtb2Rl KSA+IFVOSVRTX1BFUl9XT1JEKQogICAgIHJldHVybiBmYWxzZTsKIAorICAv KiBzaW1wbGlmeV9zdWJyZWcgZG9lcyBub3QgaGFuZGxlIHN0YWNrIHBvaW50 ZXIuICAqLworICBpZiAoUkVHTk8gKG9wKSA9PSBTVEFDS19QT0lOVEVSX1JF R05VTSkKKyAgICByZXR1cm4gZmFsc2U7CisKICAgLyogQWxsb3cgb25seSBT VUJSRUdzIG9mIG5vbi1lbGltaW5hYmxlIGhhcmQgcmVnaXN0ZXJzLiAgKi8K ICAgcmV0dXJuIHJlZ2lzdGVyX25vX2VsaW1fb3BlcmFuZCAob3AsIG1vZGUp OwogfQpAQCAtMTQ4MjMsNiArMTQ4MjcsNyBAQCBpeDg2X3ByaW50X29wZXJh bmRfYWRkcmVzcyAoRklMRSAqZmlsZSwgcnR4IGFkZHIpCiAgICAgICBydHgg dG1wID0gU1VCUkVHX1JFRyAocGFydHMuYmFzZSk7CiAgICAgICBwYXJ0cy5i YXNlID0gc2ltcGxpZnlfc3VicmVnIChHRVRfTU9ERSAocGFydHMuYmFzZSks CiAJCQkJICAgIHRtcCwgR0VUX01PREUgKHRtcCksIDApOworICAgICAgZ2Nj X2Fzc2VydCAocGFydHMuYmFzZSAhPSBOVUxMX1JUWCk7CiAgICAgfQogCiAg IGlmIChwYXJ0cy5pbmRleCAmJiBHRVRfQ09ERSAocGFydHMuaW5kZXgpID09 IFNVQlJFRykKQEAgLTE0ODMwLDYgKzE0ODM1LDcgQEAgaXg4Nl9wcmludF9v cGVyYW5kX2FkZHJlc3MgKEZJTEUgKmZpbGUsIHJ0eCBhZGRyKQogICAgICAg cnR4IHRtcCA9IFNVQlJFR19SRUcgKHBhcnRzLmluZGV4KTsKICAgICAgIHBh cnRzLmluZGV4ID0gc2ltcGxpZnlfc3VicmVnIChHRVRfTU9ERSAocGFydHMu aW5kZXgpLAogCQkJCSAgICAgdG1wLCBHRVRfTU9ERSAodG1wKSwgMCk7Cisg ICAgICBnY2NfYXNzZXJ0IChwYXJ0cy5pbmRleCAhPSBOVUxMX1JUWCk7CiAg ICAgfQogCiAgIGJhc2UgPSBwYXJ0cy5iYXNlOwo= --e89a8ff24a2b80bfa104c633231a--