> -Original Message-
> From: gcc-patches-ow...@gcc.gnu.org [mailto:gcc-patches-ow...@gcc.gnu.org]
On
> Behalf Of Bin Cheng
> Sent: Monday, October 29, 2012 2:59 PM
> To: gcc-patches@gcc.gnu.org
> Subject: [PATCH GCC]Improving register pressure directed hoist
>
Hi,
This patch improves register pressure directed hoist by accurately
monitoring the change of register pressure during code hoisting and use this
information to feedback further code hoisting. To know how register pressure
is affected when hoisting an expression(x+y) through a basic block, the
pa
