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ira-color.c (assign_hard_reg): Honor LOCAL_REGNO in cost computation for prologue/epilogue. 

* ira-color.c (assign_hard_reg): Honor LOCAL_REGNO in cost
	computation for	prologue/epilogue.

From-SVN: r171154
This commit is contained in:
Jeff Law 2011-03-18 11:05:27 -06:00
parent 34c3ef054e
commit 2a3d7659c5
2 changed files with 8 additions and 2 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,8 @@
2011-03-18 Georg-Johann Lay <avr@gjlay.de>
* ira-color.c (assign_hard_reg): Honor LOCAL_REGNO in cost
computation for prologue/epilogue.
2011-03-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* Makefile.in (check-consistency): Remove.
@ -35,7 +40,7 @@
(--with-plugin-ld): Document.
* doc/invoke.texi (-fuse-linker-plugin): Clarify.
2011-03-16 Andrew Pinski <pinskia@gmail.com>
2011-03-18 Andrew Pinski <pinskia@gmail.com>
PR middle-end/47790
* expr.c (optimize_bitfield_assignment_op): Revamp to work

3
gcc/ira-color.c
View File

@ -591,7 +591,8 @@ assign_hard_reg (ira_allocno_t a, bool retry_p)
full_cost = full_costs[i];
#ifndef HONOR_REG_ALLOC_ORDER
if (! allocated_hardreg_p[hard_regno]
&& ira_hard_reg_not_in_set_p (hard_regno, mode, call_used_reg_set))
&& ira_hard_reg_not_in_set_p (hard_regno, mode, call_used_reg_set)
&& !LOCAL_REGNO (hard_regno))
/* We need to save/restore the hard register in
epilogue/prologue. Therefore we increase the cost. */
{