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| author | Vladimir Makarov <vmakarov@redhat.com> | 2013-11-12 21:33:06 +0000 |
|---|---|---|
| committer | Vladimir Makarov <vmakarov@gcc.gnu.org> | 2013-11-12 21:33:06 +0000 |
| commit | 8eb2533ac6e1576d2e4414a9d6657e4c2d74e94a (patch) | |
| tree | cfd866a718ae2d275b650c94309178f9039f6732 | |
| parent | 7f6ada80ce8db681c72269f598cefb3c8ca236e0 (diff) | |
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re PR other/58712 (issues found by --enable-checking=valgrind)
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
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/ira-costs.c | 3 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 97ad345..fd9ca26 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -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 diff --git a/gcc/ira-costs.c b/gcc/ira-costs.c index 424b99c..d7299e6 100644 --- a/gcc/ira-costs.c +++ b/gcc/ira-costs.c @@ -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; |