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[Bug c/59615] "asm goto" output or at least clobbered operands
- From: "hpa at zytor dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 30 Dec 2013 01:37:06 +0000
- Subject: [Bug c/59615] "asm goto" output or at least clobbered operands
- Auto-submitted: auto-generated
- References: <bug-59615-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59615
--- Comment #5 from H. Peter Anvin <hpa at zytor dot com> ---
Please don't get hung up on the specific example; I just picked one that was
small and self-contained.
The biggest reason we can't use gcc's native bits in the kernel are items where
we have to use the kernel's "alternative" feature, where the code is
dynamically patched.