From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 25139 invoked by alias); 18 Nov 2010 08:10:39 -0000 Received: (qmail 25127 invoked by uid 22791); 18 Nov 2010 08:10:38 -0000 X-SWARE-Spam-Status: No, hits=-2.8 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 18 Nov 2010 08:10:33 +0000 From: "kon at iki dot fi" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/46155] Bug with generation of float.h header file on AIX X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: kon at iki dot fi X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Date: Thu, 18 Nov 2010 08:30:00 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2010-11/txt/msg02296.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46155 --- Comment #13 from Kalle Olavi Niemitalo 2010-11-18 08:10:20 UTC --- Earlier, I thought GCC would eventually have to add some libc-specific definitions to anyway, in order to make FLT_ROUNDS call a function in the C library and map the results correctly, and the IBM fprnd_t and function declarations could then be added at the same time; but according to bug 30569, FLT_ROUNDS is supposed to call a built-in function instead. FLT_EVAL_METHOD has a similar "???" comment above it, but C99 says it shall be a "constant expression[s] suitable for use in #if preprocessing directives", so cannot expand to a function call.