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From "Travis Vitek (JIRA)" <j...@apache.org>
Subject [jira] Updated: (STDCXX-443) [IBM XLC++] should avoid using -qinline or -Q in C++ code
Date Thu, 06 Dec 2007 23:17:43 GMT

     [ https://issues.apache.org/jira/browse/STDCXX-443?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Travis Vitek updated STDCXX-443:
--------------------------------

    Patch Info: [Patch Available]

> [IBM XLC++] should avoid using -qinline or -Q in C++ code
> ---------------------------------------------------------
>
>                 Key: STDCXX-443
>                 URL: https://issues.apache.org/jira/browse/STDCXX-443
>             Project: C++ Standard Library
>          Issue Type: Improvement
>          Components: Configuration
>    Affects Versions: 4.1.3
>         Environment: IBM VisualAge C++ 6.0, 7.0, and XLC++ 8.0
>            Reporter: Martin Sebor
>            Assignee: Travis Vitek
>             Fix For: 4.2.1
>
>         Attachments: stdcxx-443.patch
>
>
> Quoting from the XLC++ 8.0 Compiler Reference, page 249 (-Q option):
> To maximize inlining: 
> *  for C programs, specify optimization (-O) and also specify the appropriate -Q options
for the C language.
> *  for C++ programs, specify optimization (-O) but do not specify the -Q option.
> We should review whether our use of -Q in optimized builds is called for.

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