This is the mail archive of the
gcc-cvs@gcc.gnu.org
mailing list for the GCC project.
r193495 - in /branches/ARM/embedded-4_7-branch/...
- From: amker at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Wed, 14 Nov 2012 08:14:11 -0000
- Subject: r193495 - in /branches/ARM/embedded-4_7-branch/...
Author: amker
Date: Wed Nov 14 08:14:08 2012
New Revision: 193495
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193495
Log:
Backport from mainline r193425
2012-11-12 Bin Cheng <bin.cheng@arm.com>
* gcse.c (struct bb_data): Add new fields, old_pressure, live_in
and backup.
(get_regno_pressure_class): Add prototype.
(update_bb_reg_pressure): New.
(should_hoist_expr_to_dom): Add new parameter from.
Monitor the change of reg pressure and use it to drive hoisting.
(hoist_code): Update LIVE and reg pressure information.
(calculate_bb_reg_pressure): Initialize live_in and backup.
Backport from mainline r193425
2012-11-12 Bin Cheng <bin.cheng@arm.com>
* gcc.dg/hoist-register-pressure-3.c: New test.
Added:
branches/ARM/embedded-4_7-branch/gcc/testsuite/gcc.dg/hoist-register-pressure-3.c
Modified:
branches/ARM/embedded-4_7-branch/gcc/ChangeLog.arm
branches/ARM/embedded-4_7-branch/gcc/gcse.c
branches/ARM/embedded-4_7-branch/gcc/testsuite/ChangeLog.arm