Re: [IRA] Skip empty register classes in setup_reg_class_relations

2023-07-13 Thread Vladimir Makarov via Gcc-patches
On 7/12/23 07:05, senthilkumar.selva...@microchip.com wrote: Hi, I've been spending some (spare) time trying to get LRA working for the avr target. Thank you for addressing this problem. The code you changing is very sensitive and was a source of multiple PRs in the past.  But I

[IRA] Skip empty register classes in setup_reg_class_relations

2023-07-12 Thread SenthilKumar.Selvaraj--- via Gcc-patches
Hi, I've been spending some (spare) time trying to get LRA working for the avr target. After making a couple of changes to get libgcc going, I'm now hitting an assert at lra-constraints.cc:4423 for a subarch (avrtiny) that has a couple of regclasses with no available registers. The