Sorry, my patch for pr88157 caused a lot of ICEs on different
targets. The problem that cost vector was not initialized on some
targets for some modes (we use a lazy approach in cost calculations in
RA). Here is the patch which should fix the ICEs.
Committed as rev. 266435.
Index: ChangeLog
===================================================================
--- ChangeLog (revision 266434)
+++ ChangeLog (working copy)
@@ -1,3 +1,9 @@
+2018-11-25 Vladimir Makarov <vmaka...@redhat.com>
+
+ PR bootstrap/88157
+ * ira-costs.c (record_operand_costs): Initiate register move cost
+ for mode.
+
2018-11-23 Jeff Law <l...@redhat.com>
PR rtl-optimization/87468
Index: ira-costs.c
===================================================================
--- ira-costs.c (revision 266422)
+++ ira-costs.c (working copy)
@@ -1318,6 +1318,7 @@ record_operand_costs (rtx_insn *insn, en
int cost, k;
bool dead_p = find_regno_note (insn, REG_DEAD, REGNO (src));
+ ira_init_register_move_cost_if_necessary (mode);
hard_reg_class = REGNO_REG_CLASS (other_regno);
/* Target code may return any cost for mode which does not
fit the the hard reg class (e.g. DImode for AREG on
