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re PR rtl-optimization/53125 (Very slow compilation on SPARC) 

2012-05-10  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/53125
	* ira.c (ira): Call find_moveable_pseudos or
	move_unallocated_pseudos if only ira_conflicts_p is true.

From-SVN: r187373
This commit is contained in:
Vladimir Makarov 2012-05-10 19:58:01 +00:00 committed by Vladimir Makarov
parent e338c25c4b
commit e8d7e3e701
2 changed files with 16 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2012-05-10 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/53125
* ira.c (ira): Call find_moveable_pseudos or
move_unallocated_pseudos if only ira_conflicts_p is true.
2012-05-10 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (*movoi_internal_avx): Handle

12
gcc/ira.c
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@ -4125,7 +4125,12 @@ ira (FILE *f)
}
allocated_reg_info_size = max_reg_num ();
find_moveable_pseudos ();
/* It is not worth to do such improvement when we use a simple
allocation because of -O0 usage or because the function is too
big. */
if (ira_conflicts_p)
find_moveable_pseudos ();
max_regno_before_ira = max_reg_num ();
ira_setup_eliminable_regset ();
@ -4234,7 +4239,10 @@ ira (FILE *f)
max_regno * sizeof (struct ira_spilled_reg_stack_slot));
}
allocate_initial_values (reg_equivs);
move_unallocated_pseudos ();
/* See comment for find_moveable_pseudos call. */
if (ira_conflicts_p)
move_unallocated_pseudos ();
}
static void