<AWT Dev> RFR(XS): 8160721: Avoid deoptimizations in Font.equals.

[Lindenmaier, Goetz]

Hi Remi,

thanks, your're right, that's better.

Best regards
  Goetz.

> -----Original Message-----
> From: Remi Forax [mailto:forax at univ-mlv.fr]
> Sent: Freitag, 1. Juli 2016 17:57
> To: Lindenmaier, Goetz <goetz.lindenmaier at sap.com>
> Cc: awt-dev at openjdk.java.net
> Subject: Re: <AWT Dev> RFR(XS): 8160721: Avoid deoptimizations in
> Font.equals.
> 
> Hi Goetz,
> 
> the test obj != null is not need, because null has no class.
> 
> 
> cheers,
> 
> Rémi
> 
> 
> ________________________________
> 
> 
> 	De: "Goetz Lindenmaier" <goetz.lindenmaier at sap.com>
> 	À: awt-dev at openjdk.java.net
> 	Envoyé: Vendredi 1 Juillet 2016 15:59:54
> 	Objet: <AWT Dev> RFR(XS): 8160721: Avoid deoptimizations in
> Font.equals.
> 
> 
> 
> 	Hi,
> 
> 
> 
> 	This small fix improves performance of the C2 compiler.
> 
> 	We see deoptimizations due to class casts in Font.equals.
> 	Use instanceof check instead of catching the exception.
> 
> 
> 
> 	Please review this change:
> 
> 	http://cr.openjdk.java.net/~goetz/wr16/8160721-deoptFont/
> 
> 
> 
> 
> 	Best regards,
> 
> 	  Goetz.
>