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From: tenthumbs@cybernex.net To: gcc-gnats@gcc.gnu.org Subject: optimization/8278: gcc3.2 -O3 generates wrong code Date: Fri, 18 Oct 2002 12:36:00 -0000 [thread overview] Message-ID: <20021018193249.20069.qmail@sources.redhat.com> (raw) >Number: 8278 >Category: optimization >Synopsis: gcc3.2 -O3 generates wrong code >Confidential: no >Severity: serious >Priority: medium >Responsible: unassigned >State: open >Class: wrong-code >Submitter-Id: net >Arrival-Date: Fri Oct 18 12:36:01 PDT 2002 >Closed-Date: >Last-Modified: >Originator: tenthumbs@cybernex.net >Release: unknown-1.0 >Organization: >Environment: Linux x86 >Description: Compile the attached code with -O2 and then with -O3 and note the different output. It appears the gcc pushes the printf arguments in the wrong order. >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted: ----gnatsweb-attachment---- Content-Type: application/octet-stream; name="q.c" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="q.c" I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgZnJvYiAoaW50IHgpCnsKCXJlZ2lzdGVyIGludCByOwoK CWFzbSB2b2xhdGlsZSAoCgkJInNocmwgJDMxLCAlJWVheFxuXHQiCgkJOiAiPXIiIChyKQoJCTog IjAiICh4KQoJKTsKCXJldHVybiByOwp9CgpzdGF0aWMgY29uc3QgaW50IGludHNbXSA9IHsxLC0x LDEyMzQ1LC0xMjM0NSwgMCwgMHg4MDAwMDAwMCwgMHg3ZmZmZmZmZn07CnN0YXRpYyBjb25zdCBp bnQgbmludHMgPSBzaXplb2YoaW50cykvc2l6ZW9mKGludHNbMF0pOwoKaW50IG1haW4gKHZvaWQp CnsKCWludCBpOwoKCWZvciAoaSA9IDA7IGkgPCBuaW50czsgKytpKQoJewoJCXByaW50ZiAoIiVk IC0+ICVkXG4iLCBpbnRzW2ldLCBmcm9iKGludHNbaV0pKTsKCX0KCXJldHVybiAwOwp9Cg==
next reply other threads:[~2002-10-18 19:36 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2002-10-18 12:36 tenthumbs [this message] 2002-10-22 0:08 rth 2003-02-23 21:04 neroden
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