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re PR bootstrap/54643 (Build hangs compiling unwind-arm.c) 

PR bootstrap/54643
	* haifa-sched.c (schedule_block): Skip find_modifiable_mems if using
	SCHED_PRESSURE_MODEL.

From-SVN: r191595
This commit is contained in:
Bernd Schmidt 2012-09-20 22:01:47 +00:00 committed by Bernd Schmidt
parent 8604dde066
commit 4f66c9bcbe
2 changed files with 8 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2012-09-20 Bernd Schmidt <bernds@codesourcery.com>
PR bootstrap/54643
* haifa-sched.c (schedule_block): Skip find_modifiable_mems if using
SCHED_PRESSURE_MODEL.
2012-09-20 Joern Rennecke <joern.rennecke@embecosm.com>
* rtlanal.c (dead_or_set_regno_p): Fix COND_EXEC handling.

3
gcc/haifa-sched.c
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@ -5854,7 +5854,8 @@ schedule_block (basic_block *target_bb)
rtx head = NEXT_INSN (prev_head);
rtx tail = PREV_INSN (next_tail);
if ((current_sched_info->flags & DONT_BREAK_DEPENDENCIES) == 0)
if ((current_sched_info->flags & DONT_BREAK_DEPENDENCIES) == 0
&& sched_pressure != SCHED_PRESSURE_MODEL)
find_modifiable_mems (head, tail);
/* We used to have code to avoid getting parameters moved from hard