Messages in this thread | | | Date | Sun, 3 May 2009 07:38:23 +0200 | From | Willy Tarreau <> | Subject | Re: Specific support for Intel Atom architecture |
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On Thu, Apr 30, 2009 at 10:10:08AM -0700, H. Peter Anvin wrote: > Ingo Molnar wrote: > >> diff --git a/arch/x86/Makefile_32.cpu b/arch/x86/Makefile_32.cpu > >> index 80177ec..07a11b0 100644 > >> --- a/arch/x86/Makefile_32.cpu > >> +++ b/arch/x86/Makefile_32.cpu > >> @@ -33,6 +33,7 @@ cflags-$(CONFIG_MCYRIXIII) += $(call cc-option,-march=c3,-march=i486) $(align)-f > >> cflags-$(CONFIG_MVIAC3_2) += $(call cc-option,-march=c3-2,-march=i686) > >> cflags-$(CONFIG_MVIAC7) += -march=i686 > >> cflags-$(CONFIG_MCORE2) += -march=i686 $(call tune,core2) > >> +cflags-$(CONFIG_MATOM) += -march=atom $(call tune,atom) > >> > > There should be a fallback option used here rather than requiring a new > gcc, e.g. something like: > > $(call cc-option,-march=atom,-march=i686)
if it's an in-order architecture, wouldn't it be better to tune for i386 or i486 instead ?
Willy
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