On Sat, Jul 26, 2014 at 11:28 AM, Linus Torvalds
<torva...@linux-foundation.org> wrote:
>
> That's a bit worrisome. I haven't actually checked if the code
> generation differs in significant ways yet..
Nope. Just three instructions that got re-ordered from ABC to CAB in a
way that makes no difference. But just the knowledge that "-g" affects
code generation is nasty. And with "allmodconfig" my build fails
almost immediately (failures on at least arch/x86/kernel/process_64.c,
kernel/exit.c and mm/vmalloc.c in that case. I was too lazy to check
what the differences were).
Does anybody have current gcc build and can verify that current gcc
tip passes the kernel compile with that
export GCC_COMPARE_DEBUG=1
thing?
Linus
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