Re: LRA: Don't use 0 as initialization for sp_offset

2024-08-25 Thread Jeff Law
On 8/22/24 9:44 AM, Michael Matz wrote: this is part of making m68k work with LRA. See PR116374. m68k has the property that sometimes the elimation offset between %sp and %argptr is zero. During setting up elimination infrastructure it's changes between sp_offset and previous_offset that fee

LRA: Don't use 0 as initialization for sp_offset

2024-08-22 Thread Michael Matz
this is part of making m68k work with LRA. See PR116374. m68k has the property that sometimes the elimation offset between %sp and %argptr is zero. During setting up elimination infrastructure it's changes between sp_offset and previous_offset that feed into insns_with_changed_offsets that ultima