delorie.com/archives/browse.cgi | search |
Mailing-List: | contact cygwin-apps-help AT sourceware DOT cygnus DOT com; run by ezmlm |
Sender: | cygwin-apps-owner AT sourceware DOT cygnus DOT com |
List-Subscribe: | <mailto:cygwin-apps-subscribe AT sources DOT redhat DOT com> |
List-Archive: | <http://sources.redhat.com/ml/cygwin-apps/> |
List-Post: | <mailto:cygwin-apps AT sources DOT redhat DOT com> |
List-Help: | <mailto:cygwin-apps-help AT sources DOT redhat DOT com>, <http://sources.redhat.com/lists.html#faqs> |
Delivered-To: | mailing list cygwin-apps AT sources DOT redhat DOT com |
Message-ID: | <01e501c0c62a$878facc0$0200a8c0@lifelesswks> |
From: | "Robert Collins" <robert DOT collins AT itdomain DOT com DOT au> |
To: | "DJ Delorie" <dj AT delorie DOT com> |
Cc: | <cygwin-apps AT sources DOT redhat DOT com> |
References: | <01b301c0c621$063e4ae0$0200a8c0 AT lifelesswks> <200104160327 DOT XAA06356 AT envy DOT delorie DOT com> <01dc01c0c628$23c1f880$0200a8c0 AT lifelesswks> <200104160400 DOT AAA06732 AT envy DOT delorie DOT com> |
Subject: | Re: next porting question for gcj |
Date: | Mon, 16 Apr 2001 14:05:51 +1000 |
MIME-Version: | 1.0 |
X-Priority: | 3 |
X-MSMail-Priority: | Normal |
X-Mailer: | Microsoft Outlook Express 5.50.4133.2400 |
X-MimeOLE: | Produced By Microsoft MimeOLE V5.50.4133.2400 |
X-OriginalArrivalTime: | 16 Apr 2001 03:58:34.0087 (UTC) FILETIME=[81D9D770:01C0C629] |
----- Original Message ----- From: "DJ Delorie" <dj AT delorie DOT com> To: <robert DOT collins AT itdomain DOT com DOT au> Cc: <cygwin-apps AT sources DOT redhat DOT com> Sent: Monday, April 16, 2001 2:00 PM Subject: Re: next porting question for gcj > > A simple test will show you: > > main() > { > char *b = alloca(500); > return b[3]; > } > > Compile with gcc, and you'll see that alloca is implemented directly, > without function calls. > > __builtin_alloca is the internal way gcc implements it; either works > just fine but __builtin_alloca is more immune to being #define'd to > something else. It's not specific to Cygwin. > All the same, the bootstrapped stage 3 g++ failed to find alloca. __builtin_alloca was found easily enough. Rob
webmaster | delorie software privacy |
Copyright © 2019 by DJ Delorie | Updated Jul 2019 |