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Lovechild
Advocate
Joined: 17 May 2002
Posts: 2858
Location: Århus, Denmark
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 Posted: Tue Jul 22, 2003 11:43 am Post subject: GCC 3.3.1 bugfix list |
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http://gcc.gnu.org/ml/gcc/2003-07/msg01537.html
The bit that's probably of most interest to the Gentoo users:
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optimization:
11198 -O2 -frename-registers generates wrong code (aliasing problem)
11304 Wrong code production with -fomit-frame-pointer
11381 volatile memory access optimized away
11536 [strength-reduce] -O2 optimization produces wrong code
11557 constant folding bug generates wrong code
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All can rejoice, 3.3.1 should hit a server near you very soon, untill then use the prerelease (I think Gentoo's GCC 3.3-r1 ebuild includes most of it) |
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charlieg
Advocate
Joined: 30 Jul 2002
Posts: 2149
Location: Manchester UK
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| Posted: Tue Jul 22, 2003 12:44 pm Post subject: |
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So once these are fixed, 3.3.1 will be out?
Out of curiousity, what major advantages does 3.3(.1) offer over 3.2(.x)?
I've heard quite a bit about compilation speed ups, reduced binary size and increased binary performance for 3.4 (presumably over 3.2), but not too much about the tangible improvements of 3.3 over 3.2.
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Aonoa
Guru
Joined: 23 May 2002
Posts: 589
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| Posted: Tue Jul 22, 2003 6:42 pm Post subject: |
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Hooraay.. a new toy to play with. 
A lot of things are under development now; 2.6 kernel, reiser4, gcc 3.x ...
Good stuff.  |
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Lovechild
Advocate
Joined: 17 May 2002
Posts: 2858
Location: Århus, Denmark
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| Posted: Tue Jul 22, 2003 7:24 pm Post subject: |
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| things to take apart... YEAH !!! |
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Lovechild
Advocate
Joined: 17 May 2002
Posts: 2858
Location: Århus, Denmark
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| Posted: Tue Jul 22, 2003 7:27 pm Post subject: |
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| charlieg wrote: | So once these are fixed, 3.3.1 will be out?
Out of curiousity, what major advantages does 3.3(.1) offer over 3.2(.x)?
I've heard quite a bit about compilation speed ups, reduced binary size and increased binary performance for 3.4 (presumably over 3.2), but not too much about the tangible improvements of 3.3 over 3.2. |
These are fixed
I wrote a long reply to this one and epiphany crashed...
basically.. gcc 3.3 good, gcc 3.2 bad.. gcc 3.4 will be even better - gcc 3.5 will be GODLIKE !! |
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floam
Veteran
Joined: 27 Oct 2002
Posts: 1067
Location: Vancouver, WA USA
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| Posted: Tue Jul 22, 2003 10:17 pm Post subject: |
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| Lovechild: Yeah, I think I read something on some mailing list about auto vectoring or something in 3.5 or 3.6, it sounded _awesome_ from what I read about it. |
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Lovechild
Advocate
Joined: 17 May 2002
Posts: 2858
Location: Århus, Denmark
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| Posted: Tue Jul 22, 2003 10:38 pm Post subject: |
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GCC has gotten a lot of backing lately - Apple, IBM and AMD have all been contributing a lot to development, I think GCC is the model OSS project of this year. I'm personally inclied to following the mailing list just to check out all the brain power in motion, and there are a lot of talented people working for free bringing you the compiler that we all know and love. I think to many people overlook GCC, in favor of more flashy projects like GNOME and KDE, which is a shame since GCC is one of the cornerstones of Linux, where would we be without a truely free compilerset?
I'm personally looking forward to the introduction of the IBM 4way PPC970 server, since that's one of the most interesting platforms right now that's "affordable" (well, if you're a mild fanatic at least). With this setup we should see the true power of GCC rear it's big beautiful head. |
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asimon
l33t
Joined: 27 Jun 2002
Posts: 979
Location: Germany, Old Europe
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| Posted: Wed Jul 23, 2003 8:15 am Post subject: |
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| Lovechild wrote: | | I think to many people overlook GCC, in favor of more flashy projects like GNOME and KDE |
Don't forget that the number of developers with expertise in compiler building is rather limited. I don't think that the typical KDE or Gnome developer would be a good help for gcc and vice versa.
And a typical user should not see gcc at all, just the applications they work with. |
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