Re: [PATCH] reduce sparseset memory requirement

2021-02-11 Thread Richard Biener via Gcc-patches
On Tue, Feb 9, 2021 at 12:38 PM Richard Biener wrote: > > Currently we use HOST_WIDEST_FAST_INT for the sparseset element > type which maps to a 64bit type on 64bit hosts. That's excessive > for the only current sparseset users which are LRA and IRA and > which store register numbers in it which

[PATCH] reduce sparseset memory requirement

2021-02-09 Thread Richard Biener
Currently we use HOST_WIDEST_FAST_INT for the sparseset element type which maps to a 64bit type on 64bit hosts. That's excessive for the only current sparseset users which are LRA and IRA and which store register numbers in it which are unsigned int. The following changes the sparseset element ty