Messages in this thread | | | Date | Tue, 9 Sep 2008 19:57:28 +0300 | From | Adrian Bunk <> | Subject | Re: [git pull] x86 fixes |
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On Mon, Sep 08, 2008 at 11:04:30AM -0700, Linus Torvalds wrote: > > > On Mon, 8 Sep 2008, H. Peter Anvin wrote: > > > > config X86_GENERIC > > - bool "Generic x86 support" > > + bool "Generic x86 support" if EMBEDDED > > Ok, so after having realized that this seems to be more about a bug with > gcc, I'm really not as convinced any more. > > As far as I can tell, there are three issues: > > - "-mtune=core/core2/pentium4/.." is buggy in some gas/gcc versions on > x86-32, and makes architectural choices. > > Any actual _released_ versions? Maybe it's just a current SVN issue? > > Workaround: don't use it. And yes, X86_GENERIC=y will do that, although > quite frankly that seems to be dubious in itself. >...
As far as I understood it it's a gas issue, and X86_GENERIC=y would therefore *not* fix the bug with gcc < 4.2 and affected binutils since we pass -mtune=i686 for gcc < 4.2 with X86_GENERIC=y.
Anything I miss?
> Linus
cu Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed
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