re PR bootstrap/88157 (ICE when building libgo encoding/gob.lo starting with r266385)

2018-11-25  Vladimir Makarov  <vmakarov@redhat.com>

	PR bootstrap/88157
	* ira-costs.c (record_operand_costs): Initiate register move cost
	for mode.

From-SVN: r266435

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f9a12f88a609617e09b668ae816eed98b09e7dbd..2bff937cbcfec8289a91ba3c395a0a0df71ef290 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2018-11-25  Vladimir Makarov  <vmakarov@redhat.com>
+
+       PR bootstrap/88157
+       * ira-costs.c (record_operand_costs): Initiate register move cost
+       for mode.
+
 2018-11-23  Jeff Law  <law@redhat.com>
 
        PR rtl-optimization/87468

diff --git a/gcc/ira-costs.c b/gcc/ira-costs.c
index cfda4322bc35ede37582f5a0479e55ace730bc43..83dfdcd86ae7635b26476b0389febe2cbe138030 100644 (file)
--- a/gcc/ira-costs.c
+++ b/gcc/ira-costs.c
@@ -1318,6 +1318,7 @@ record_operand_costs (rtx_insn *insn, enum reg_class *pref)
          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