Re: Small ira.c:setup_pressure_classes tweak

2012-09-07 Thread Vladimir Makarov
On 09/07/2012 02:59 AM, Richard Sandiford wrote: ira.c:setup_pressure_classes treats "leaf" classes as pressure classes even if moves between them are more expensive than moves to or from memory: if (ira_class_hard_regs_num[cl] != 1 /* A register class without subclasses may con

Small ira.c:setup_pressure_classes tweak

2012-09-06 Thread Richard Sandiford
ira.c:setup_pressure_classes treats "leaf" classes as pressure classes even if moves between them are more expensive than moves to or from memory: if (ira_class_hard_regs_num[cl] != 1 /* A register class without subclasses may contain a few hard registers and movement