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[Bug rtl-optimization/26663] Wrong generated code with gcc-3.4.x -O2 (ok with -O1 or gcc-3.3.6)
- From: "jbeitaharon at intrusic dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 13 Mar 2006 14:41:15 -0000
- Subject: [Bug rtl-optimization/26663] Wrong generated code with gcc-3.4.x -O2 (ok with -O1 or gcc-3.3.6)
- References: <bug-26663-12354@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from jbeitaharon at intrusic dot com 2006-03-13 14:40 -------
Subject: Re: Wrong generated code with gcc-3.4.x
-O2 (ok with -O1 or gcc-3.3.6)
Please take me off the CC list for this distribution.
I don't need the "encouragement" of knowing that many people experience
similar frustrations with gcc's poor (or shall I say, uninformative)
warning messages in the case of aliasing rule violations.
Thanks,
Jonathan
pinskia at gcc dot gnu dot org wrote:
>------- Comment #3 from pinskia at gcc dot gnu dot org 2006-03-13 14:15 -------
> * (u_32 *) pFloat = 0x7FFFFFFF; // NaN
>That is violating C/C++ aliasing rules.
>
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>
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26663