Date: Wed, 29 May 2013 10:06:40 -0600 From: Warner Losh <imp@bsdimp.com> To: David Chisnall <theraven@FreeBSD.org> Cc: amd64@FreeBSD.org, toolchain@FreeBSD.org, Pedro Giffuni <pfg@FreeBSD.org>, Rui Paulo <rpaulo@felyko.com>, Andriy Gapon <avg@FreeBSD.org> Subject: Re: [CFT] gcc: support for barcelona Message-ID: <65AA3A88-7B5E-439F-950D-47EDCDC3EAD1@bsdimp.com> In-Reply-To: <C0B4C633-EC1C-41AF-BE57-76B52DF47F52@FreeBSD.org> References: <51A38CBD.6000702@FreeBSD.org> <E9DC99EF-F2E9-4A5F-8370-36DA25DE2C89@felyko.com> <51A3B8AB.5080808@FreeBSD.org> <521EEFA1-E116-41F5-B618-238E7AA092A8@bsdimp.com> <3C29AD82-077D-4E6B-94C7-5D069A130348__27528.1591726982$1369769859$gmane$org@FreeBSD.org> <51A5A6F4.8000501@FreeBSD.org> <C0B4C633-EC1C-41AF-BE57-76B52DF47F52@FreeBSD.org>
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On May 29, 2013, at 2:47 AM, David Chisnall wrote: > On 29 May 2013, at 07:57, Andriy Gapon <avg@FreeBSD.org> wrote: >=20 >> In fact, I am of opinion that while such bugs exist gcc should be = crowned back >> as a default compiler. >=20 > Seriously? Your show stopper bug is that, very occasionally, clang = emits incorrect debug info? And Steve's is that clang emits code that = is fully compliant with the C standard, but gives more floating point = precision than he wanted? >=20 > If those are the most serious problems we have with clang, then it's = time to remove gcc 4.2.1 from the tree right now. I wish the problems = that we had with it were so trivial... NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO = NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO = NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO = NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO = NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO = NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO = NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO = NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO = NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO = NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO = NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO = NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO = NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO = NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO = NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO = NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO = . There are serious problems with clang on arm right now. And it doesn't = support mips. Removing gcc is way premature. Warner
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