Re: [PATCH] Use RPO order for fwprop iteration

2016-09-02 Thread Richard Biener
On Fri, 2 Sep 2016, Robin Dapp wrote: > This causes a performance regression in the xalancbmk SPECint2006 > benchmark on s390x. At first sight, the produced asm output doesn't look > too different but I'll have a closer look. Is the fwprop order supposed > to have major performance implications?

Re: [PATCH] Use RPO order for fwprop iteration

2016-09-02 Thread Robin Dapp
This causes a performance regression in the xalancbmk SPECint2006 benchmark on s390x. At first sight, the produced asm output doesn't look too different but I'll have a closer look. Is the fwprop order supposed to have major performance implications? Regards Robin > This changes it from PRE on t