On 2014-04-25, 11:35 PM, Wei Mi wrote:
Hi,
This patch is to address the missing optimization reported in
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60738
Now in process_single_reg_class_operands, any allocno A conflicting
with a single reg class operand B is marked to never use the reg class
i
Thanks. I will change
> + if (a != operand_a
> + && (LRA_SPLIT_FREQ_RATIO * freq >= a->freq))
to
> + if (a != operand_a
> + && (!ira_use_lra_p || LRA_SPLIT_FREQ_RATIO * freq >= a->freq))
Regards,
Wei.
On Mon, Apr 28, 2014 at 12:57 AM, Steven Bosscher wr
On Sat, Apr 26, 2014 at 5:35 AM, Wei Mi wrote:
> Index: ira-lives.c
> ===
> --- ira-lives.c (revision 209253)
> +++ ira-lives.c (working copy)
> @@ -1025,7 +1025,11 @@ process_single_reg_class_operands (bool
> {
> ir
Hi,
This patch is to address the missing optimization reported in
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60738
Now in process_single_reg_class_operands, any allocno A conflicting
with a single reg class operand B is marked to never use the reg class
in IRA. This is non-optimal when A is in a
