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Message-ID: | <017601c15465$94e266a0$0200a8c0@lifelesswks> |
From: | "Robert Collins" <robert DOT collins AT itdomain DOT com DOT au> |
To: | <cygwin-apps AT cygwin DOT com> |
References: | <20011014025328 DOT 24230 DOT qmail AT web14505 DOT mail DOT yahoo DOT com> <20011013232846 DOT A2364 AT redhat DOT com> |
Subject: | Re: GCC-3 additions |
Date: | Sun, 14 Oct 2001 14:06:20 +1000 |
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X-OriginalArrivalTime: | 14 Oct 2001 04:12:04.0191 (UTC) FILETIME=[617AA6F0:01C15466] |
----- Original Message ----- From: "Christopher Faylor" <cgf AT redhat DOT com> To: <cygwin-apps AT cygwin DOT com> Sent: Sunday, October 14, 2001 1:28 PM Subject: Re: GCC-3 additions > >2) How important is fastcall calling convention to cygwin apps. I have > >been working with Eric Kohl on a patchset that he is keen to get into mingw > >binaries. ReactOS project needs them for building MS-compat device drivers. > > They involve changes in binutils (as, dlltool, ld) as well as gcc. These > >are still WIP > > I'd like to have fastcall conventions. I think it is necessary if we want > gcc to be a replacement for MSVC. Also a requirement to build many low level things with gcc - and if/when we get more 'mounting' capability, a logical extension to that is the ability to provide _real_ win32 mounting - and that will require fastcall AFAIK. > Out of curiousity, how does fastcall differ from attribute ((regparm (n)))? AFAIK it's simply the symbol convention in the object file that is the issue. Rob
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