Displaying 2 results from an estimated 2 matches for "b0e285fd".
2013 Jan 23
0
[LLVMdev] Instruction Constraints Question
On Wed, Jan 23, 2013 at 4:40 PM, Tim Northover <t.p.northover at gmail.com>wrote:
> >> It doesn't look like TableGen supports Constraints beyond EARLY_CLOBBER
> >> and TIED_TO. We would need to add a constraint such as "$dst != $src1,
> >> $dst != $mask, $src1 != $mask" to the current patterns to enforce the
> >> rules.
> > You can
2013 Jan 23
3
[LLVMdev] Instruction Constraints Question
>> It doesn't look like TableGen supports Constraints beyond EARLY_CLOBBER
>> and TIED_TO. We would need to add a constraint such as "$dst != $src1,
>> $dst != $mask, $src1 != $mask" to the current patterns to enforce the
>> rules.
> You can emulate such constraints via early clobbing. Just mark dst as
> early clobbing.
How would that (or any early