Messages in this thread | | | Subject | Re: PATCH] Use -mpreferred-stack-boundary=3 on x86-64 if supported | From | "H. Peter Anvin" <> | Date | Sat, 23 Jun 2012 12:45:57 -0700 |
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Yes, it didn't work on 64 bits until now.
Andi Kleen <andi@firstfloor.org> wrote:
>On Sat, Jun 23, 2012 at 09:17:06AM -0700, H. Peter Anvin wrote: >> To keep gcc from paddong the stack to maintain a nonexistent >alignment. > > >Ah ok. 3 instead of 4. > >I thought i had done that a long time ago, but now it somehow >only seems to be there for 32bit. > >Makes sense. > >-Andi
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