Displaying 3 results from an estimated 3 matches for "a01b486e".
2016 Jun 29
0
x86: How to Force 2-byte `jmp` instruction in lowering
I thought jumps start short and relaxation widens them as needed until
fixpoint. So relax-all causes them all to be widened unconditionally.
On Wed, Jun 29, 2016 at 9:27 AM, Reid Kleckner via llvm-dev <
llvm-dev at lists.llvm.org> wrote:
> On Wed, Jun 22, 2016 at 9:36 AM, Nirav Davé <llvm-dev at lists.llvm.org>
> wrote:
>
>> In any case, the issue appears to be that
2016 Jun 29
1
x86: How to Force 2-byte `jmp` instruction in lowering
...e 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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2016 Jun 29
2
x86: How to Force 2-byte `jmp` instruction in lowering
On Wed, Jun 22, 2016 at 9:36 AM, Nirav Davé <llvm-dev at lists.llvm.org> wrote:
> In any case, the issue appears to be that llvm doesn't realize that the
> target address is resolved and erroneously applies branch relaxation to the
> jump. I don't know why a linker private symbol would make a difference.
>
Relaxation is the process of *shortening* jumps that can be