Re: [PATCH 1/2] zEC12 pipeline

2018-10-08 Thread Robin Dapp
Hi, committed only the zEC12 part for now. Performance behavior of z13 with the patch is still unclear and will be tackled separately. Regards Robin

Re: [PATCH 1/2] zEC12 pipeline

2018-09-07 Thread Andreas Krebbel
On 06.09.2018 10:41, Robin Dapp wrote: > > Hi, > > this patch increases the latency of some floating point instructions to better > match the real machine's behavior. > > Regards > Robin > > -- > > gcc/ChangeLog: > > 2018-09-06 Robin Dapp > > * config/s390/2827.md: Increase latenci

[S/390] Re: [PATCH 1/2] zEC12 pipeline

2018-09-06 Thread Robin Dapp
Sorry, forgot the [S/390] tag in the subject.

[PATCH 1/2] zEC12 pipeline

2018-09-06 Thread Robin Dapp
Hi, this patch increases the latency of some floating point instructions to better match the real machine's behavior. Regards Robin -- gcc/ChangeLog: 2018-09-06 Robin Dapp * config/s390/2827.md: Increase latencies for some FP instructions. --- gcc/config/s390/2827.md | 14 ++