On Mon, Jun 29, 2015 at 05:16:39PM +0930, Alan Modra wrote: > Note that we already have insn_rtx_cost, and it returns a minimum cost > for a SET, so register move insns get a cost of 1 insn. However, > despite insn_rtx_cost starting life in combine.c, even combine doesn't > use it in all whole insn cases. :-(
In what cases does it not? Segher
