This change is to recover 6% lost on Intl.NumberFormat.format.reused
when JSNumber was make Dart2 clean.
Use invoke_dynamic_specializer to replace call with HAbs instruction.
Inject receiver check to condition receiver to a non-null number to
improve. This part makes x.abs() one of the operations 'trusted' by
'--trust-primitives'.
Add one-shot accelerators for abs and get:sign.
Change-Id: Ia423c4b398114abe1d4a784febbe664710f0a242
Reviewed-on: https://dart-review.googlesource.com/42890
Reviewed-by: Sigmund Cherem <sigmund@google.com>
Commit-Queue: Stephen Adams <sra@google.com>
Stephen Adams
9598a1d1fa