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-rw-r--r--gcc/ira-costs.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/ira-costs.c b/gcc/ira-costs.c
index a93985b..795238f 100644
--- a/gcc/ira-costs.c
+++ b/gcc/ira-costs.c
@@ -763,6 +763,12 @@ record_reg_classes (int n_alts, int n_ops, rtx *ops,
classes[i] = ira_reg_class_subunion[classes[i]][cl];
break;
+ case CT_CONST_INT:
+ if (CONST_INT_P (op)
+ && insn_const_int_ok_for_constraint (INTVAL (op), cn))
+ win = 1;
+ break;
+
case CT_MEMORY:
/* Every MEM can be reloaded to fit. */
insn_allows_mem[i] = allows_mem[i] = 1;