public inbox for gcc-prs@sourceware.org help / color / mirror / Atom feed
From: Franz.Sirl-kernel@lauterbach.com To: gcc-gnats@gcc.gnu.org Subject: target/9732: PPC32: Wrong code with -O2 -fPIC Date: Mon, 17 Feb 2003 21:06:00 -0000 [thread overview] Message-ID: <20030217210213.20240.qmail@sources.redhat.com> (raw) >Number: 9732 >Category: target >Synopsis: PPC32: Wrong code with -O2 -fPIC >Confidential: no >Severity: serious >Priority: medium >Responsible: unassigned >State: open >Class: wrong-code >Submitter-Id: net >Arrival-Date: Mon Feb 17 21:06:00 UTC 2003 >Closed-Date: >Last-Modified: >Originator: Franz.Sirl-kernel@lauterbach.com >Release: gcc-3.2.2 >Organization: >Environment: >Description: The attached testcase segfaults on execution if compiled with -O2 -fPIC on powerpc-linux-gnu. This is a regression from gcc-2.95.4 >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted: ----gnatsweb-attachment---- Content-Type: text/x-csrc; name="20030217-1.c" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="20030217-1.c" LyogUFIgdGFyZ2V0L1hYWFgKIFRoaXMgdGVzdGNhc2Ugc2VnZmF1bHRlZCBvbiBQUEMgYmVjYXVz ZSBQSUNfT0ZGU0VUX1RBQkxFX1JFR05VTSB3YXMgbm8gZml4ZWQKIHJlZ2lzdGVyLiAgKi8KLyog eyBkZy1kbyBydW4gfSAqLwovKiB7IGRnLW9wdGlvbnMgIi1PMiAtZlBJQyIgfSAqLwovKiB7IGRn LXdhcm5pbmcgIm5vdCBzdXBwb3J0ZWQiICJQSUMgdW5zdXBwb3J0ZWQiIHsgdGFyZ2V0IGNyaXMt Ki1lbGYqIG1taXgtKi0qIH0gMCB9ICovCgoKZXh0ZXJuIHZvaWQgZXhpdCAoaW50KTsKCiNkZWZp bmUgVzEgMjg0MQkJCQkJLyogMjA0OCpzcXJ0KDIpKmNvcygxKnBpLzE2KSAqLwojZGVmaW5lIFcy IDI2NzYJCQkJCS8qIDIwNDgqc3FydCgyKSpjb3MoMipwaS8xNikgKi8KI2RlZmluZSBXMyAyNDA4 CQkJCQkvKiAyMDQ4KnNxcnQoMikqY29zKDMqcGkvMTYpICovCiNkZWZpbmUgVzUgMTYwOQkJCQkJ LyogMjA0OCpzcXJ0KDIpKmNvcyg1KnBpLzE2KSAqLwojZGVmaW5lIFc2IDExMDgJCQkJCS8qIDIw NDgqc3FydCgyKSpjb3MoNipwaS8xNikgKi8KI2RlZmluZSBXNyA1NjUJCQkJCS8qIDIwNDgqc3Fy dCgyKSpjb3MoNypwaS8xNikgKi8KCgovKiBwcml2YXRlIGRhdGEgKi8Kc3RhdGljIHNob3J0IGlj bGlwWzEwMjRdOwkJLyogY2xpcHBpbmcgdGFibGUgKi8Kc3RhdGljIHNob3J0ICppY2xwOwoKdm9p ZAppZGN0X2ludDMyKHNob3J0ICpjb25zdCBibG9jaykKewogIHN0YXRpYyBzaG9ydCAqYmxrOwog IHN0YXRpYyBsb25nIGk7CiAgc3RhdGljIGxvbmcgWDAsIFgxLCBYMiwgWDMsIFg0LCBYNSwgWDYs IFg3LCBYODsKCiAgZm9yIChpID0gMDsgaSA8IDg7IGkrKykJCS8qIGlkY3QgY29sdW1ucyAqLwog ICAgewogICAgICBibGsgPSBibG9jayArIGk7CiAgICAgIC8qIHNob3J0Y3V0ICAqLwogICAgICBp ZiAoISAoKFgxID0gKGJsa1s4ICogNF0gPDwgOCkpIHwgKFgyID0gYmxrWzggKiA2XSkKCSAgICAg fCAoWDMgPSBibGtbOCAqIDJdKSB8IChYNCA9IGJsa1s4ICogMV0pIHwgKFg1ID0gYmxrWzggKiA3 XSkKCSAgICAgfCAoWDYgPSBibGtbOCAqIDVdKSB8IChYNyA9IGJsa1s4ICogM10pKSkKCXsKCSAg YmxrWzggKiAwXSA9IGJsa1s4ICogMV0gPSBibGtbOCAqIDJdID0gCgkgICAgYmxrWzggKiAzXSA9 IGJsa1s4ICogNF0gPQoJICAgIGJsa1s4ICogNV0gPSBibGtbOCAqIDZdID0gYmxrWzggKiA3XSA9 CgkgICAgaWNscFsoYmxrWzggKiAwXSArIDMyKSA+PiA2XTsKCSAgY29udGludWU7Cgl9CiAgICAg IFgwID0gKGJsa1s4ICogMF0gPDwgOCkgKyA4MTkyOwoKICAgICAgLyogZmlyc3Qgc3RhZ2UgICov CiAgICAgIFg4ID0gVzcgKiAoWDQgKyBYNSkgKyA0OwogICAgICBYNCA9IChYOCArIChXMSAtIFc3 KSAqIFg0KSA+PiAzOwogICAgICBYNSA9IChYOCAtIChXMSArIFc3KSAqIFg1KSA+PiAzOwogICAg ICBYOCA9IFczICogKFg2ICsgWDcpICsgNDsKICAgICAgWDYgPSAoWDggLSAoVzMgLSBXNSkgKiBY NikgPj4gMzsKICAgICAgWDcgPSAoWDggLSAoVzMgKyBXNSkgKiBYNykgPj4gMzsKCiAgICAgIC8q IHNlY29uZCBzdGFnZSAgKi8KICAgICAgWDggPSBYMCArIFgxOwogICAgICBYMCAtPSBYMTsKICAg ICAgWDEgPSBXNiAqIChYMyArIFgyKSArIDQ7CiAgICAgIFgyID0gKFgxIC0gKFcyICsgVzYpICog WDIpID4+IDM7CiAgICAgIFgzID0gKFgxICsgKFcyIC0gVzYpICogWDMpID4+IDM7CiAgICAgIFgx ID0gWDQgKyBYNjsKICAgICAgWDQgLT0gWDY7CiAgICAgIFg2ID0gWDUgKyBYNzsKICAgICAgWDUg LT0gWDc7CgogICAgICAvKiB0aGlyZCBzdGFnZSAgKi8KICAgICAgWDcgPSBYOCArIFgzOwogICAg ICBYOCAtPSBYMzsKICAgICAgWDMgPSBYMCArIFgyOwogICAgICBYMCAtPSBYMjsKICAgICAgWDIg PSAoMTgxICogKFg0ICsgWDUpICsgMTI4KSA+PiA4OwogICAgICBYNCA9ICgxODEgKiAoWDQgLSBY NSkgKyAxMjgpID4+IDg7CgogICAgICAvKiBmb3VydGggc3RhZ2UgICovCiAgICAgIGJsa1s4ICog MF0gPSBpY2xwWyhYNyArIFgxKSA+PiAxNF07CiAgICAgIGJsa1s4ICogMV0gPSBpY2xwWyhYMyAr IFgyKSA+PiAxNF07CiAgICAgIGJsa1s4ICogMl0gPSBpY2xwWyhYMCArIFg0KSA+PiAxNF07CiAg ICAgIGJsa1s4ICogM10gPSBpY2xwWyhYOCArIFg2KSA+PiAxNF07CiAgICAgIGJsa1s4ICogNF0g PSBpY2xwWyhYOCAtIFg2KSA+PiAxNF07CiAgICAgIGJsa1s4ICogNV0gPSBpY2xwWyhYMCAtIFg0 KSA+PiAxNF07CiAgICAgIGJsa1s4ICogNl0gPSBpY2xwWyhYMyAtIFgyKSA+PiAxNF07CiAgICAg IGJsa1s4ICogN10gPSBpY2xwWyhYNyAtIFgxKSA+PiAxNF07CiAgICB9Cn0JCQkJCQkJCS8qIGVu ZCBmdW5jdGlvbiBpZGN0X2ludDMyKGJsb2NrKSAqLwoKCmludCBtYWluKHZvaWQpIHsKICBpbnQg aTsKICB1bnNpZ25lZCBzaG9ydCB0YWJbNjRdOwoKICBmb3IgKGkgPSAwIDsgaSA8IDY0IDsgKytp KSAKICAgIHsgIAogICAgICB0YWJbaV0gPSAoMSsoaW50KSAoNjU1MzUpKjgwMDAvKDIxNDc0ODM2 NDcrMS4wKSk7CiAgICB9CiAgCiAgaWNscCA9IGljbGlwICsgNTEyOwogIGZvciAoaSA9IC01MTI7 IGkgPCA1MTI7IGkrKykKICAgIGljbHBbaV0gPSAoaSA8IC0yNTYpID8gLTI1NiA6ICgoaSA+IDI1 NSkgPyAyNTUgOiBpKTsKCiAgaWRjdF9pbnQzMigoc2hvcnQgKikgdGFiKTsKICBleGl0ICgwKTsK fQo=
next reply other threads:[~2003-02-17 21:06 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2003-02-17 21:06 Franz.Sirl-kernel [this message] 2003-02-17 21:09 sirl 2003-02-25 23:30 target/9732: [ppc32] " sirl
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20030217210213.20240.qmail@sources.redhat.com \ --to=franz.sirl-kernel@lauterbach.com \ --cc=gcc-gnats@gcc.gnu.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).