[llvm-dev] x86: How to Force 2-byte `jmp` instruction in lowering
Reid Kleckner via llvm-dev
llvm-dev at lists.llvm.org
Wed Jun 29 10:19:15 PDT 2016
On Wed, Jun 29, 2016 at 10:05 AM, Craig Topper <craig.topper at gmail.com>
> I thought jumps start short and relaxation widens them as needed until
> fixpoint. So relax-all causes them all to be widened unconditionally.
My mistake, you're right.
I've been reading that code for years and assuming that it goes
large-to-small, but I guess the process is the same regardless of which
direction you go. :)
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