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[Bug target/53383] Allow -mpreferred-stack-boundary=3 on x86-64
- From: "hpa at zytor dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 18 May 2012 15:23:05 +0000
- Subject: [Bug target/53383] Allow -mpreferred-stack-boundary=3 on x86-64
- Auto-submitted: auto-generated
- References: <bug-53383-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53383
--- Comment #7 from H. Peter Anvin <hpa at zytor dot com> 2012-05-18 15:23:05 UTC ---
We can't use the SSE parts of the ABI anyway in the kernel, and I sure hope
that -mno-sse (or perhaps -mcmodel=kernel, but that would be ugly) prevents
those from being generated.
Yes, it's an ABI violation, but it's a very necessary one...