Ian Bolton wrote:
Thanks for the detailed answer.
While we're on the subject of assign_hard_reg, I notice the costs and
min_cost variable are set but never used (decisions are being made with
the full_costs array and min_full_cost). Should they be referenced
somehow or are they just redundant?
,
Ian
> -Original Message-
> From: Vladimir Makarov [mailto:vmaka...@redhat.com]
> Sent: 21 January 2010 21:08
> To: Ian Bolton
> Cc: gcc@gcc.gnu.org
> Subject: Re: Possible IRA bug in assign_hard_reg
>
> Ian Bolton wrote:
> > Near the end of assign_hard_reg
Ian Bolton wrote:
Near the end of assign_hard_reg in ira-color.c, there is this code:
if (min_full_cost > mem_cost)
{
if (! retry_p && internal_flag_ira_verbose > 3 && ira_dump_file !=
NULL)
fprintf (ira_dump_file, "(memory is more profitable %d vs %d) ",
mem_cost
Near the end of assign_hard_reg in ira-color.c, there is this code:
if (min_full_cost > mem_cost)
{
if (! retry_p && internal_flag_ira_verbose > 3 && ira_dump_file !=
NULL)
fprintf (ira_dump_file, "(memory is more profitable %d vs %d) ",
mem_cost, min_full_cost);
