procyberian/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

re PR other/58712 (issues found by --enable-checking=valgrind)

Browse source 
2013-11-12  Vladimir Makarov  <vmakarov@redhat.com>

	PR other/58712
	* ira-costs.c (record_operand_costs): Check operands number for
	the single set.

From-SVN: r204720
This commit is contained in:
Vladimir Makarov 2013-11-12 21:33:06 +00:00 • committed by Vladimir Makarov
parent 7f6ada80ce
commit 8eb2533ac6
2 changed files with 9 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
gcc/ChangeLog
View file

@ -1,3 +1,9 @@
2013-11-12 Vladimir Makarov <vmakarov@redhat.com>
PR other/58712
* ira-costs.c (record_operand_costs): Check operands number for
the single set.
2013-11-12 Michael Meissner <meissner@linux.vnet.ibm.com>
PR target/59054

3
gcc/ira-costs.c
View file

@ -1224,6 +1224,9 @@ record_operand_costs (rtx insn, enum reg_class *pref)
preferred class is very expensive as the source of a copy
instruction. */
if ((set = single_set (insn)) != NULL_RTX
/* In rare cases the single set insn might have less 2 operands
as the source can be a fixed special reg. */
&& recog_data.n_operands > 1
&& ops[0] == SET_DEST (set) && ops[1] == SET_SRC (set))
{
int regno, other_regno;