Re: PATCH] Use -mpreferred-stack-boundary=3 on x86-64 if supported

Andi Kleen
2012-06-23T19:27:12Z

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