X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=blobdiff_plain;f=gcc%2Fira-costs.c;fp=gcc%2Fira-costs.c;h=64b2e7995d661935147340646c289f8c2fd79109;hp=774902035e1f1047f2e6cad5d4b33613b27747c8;hb=2501d9b23b90c6a78ec169bc2aff75f5d08d2260;hpb=7173d4d00091dd0096cce8ab7dd8d6c0e4018a45

diff --git a/gcc/ira-costs.c b/gcc/ira-costs.c
index 774902035e1..64b2e7995d6 100644
--- a/gcc/ira-costs.c
+++ b/gcc/ira-costs.c
@@ -1572,8 +1572,8 @@ ira_tune_allocno_costs_and_cover_classes (void)
 	      regno = ira_class_hard_regs[cover_class][j];
 	      rclass = REGNO_REG_CLASS (regno);
 	      cost = 0;
-	      /* ??? If only part is call clobbered.  */
-	      if (! ira_hard_reg_not_in_set_p (regno, mode, call_used_reg_set))
+	      if (! ira_hard_reg_not_in_set_p (regno, mode, call_used_reg_set)
+		  || HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))
 		cost += (ALLOCNO_CALL_FREQ (a)
 			 * (ira_memory_move_cost[mode][rclass][0]
 			    + ira_memory_move_cost[mode][rclass][1]));