This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: rtx_cost of insns


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


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]