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-rw-r--r--gcc/config/m32c/m32c.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/gcc/config/m32c/m32c.c b/gcc/config/m32c/m32c.c
index d89064a..b60044f 100644
--- a/gcc/config/m32c/m32c.c
+++ b/gcc/config/m32c/m32c.c
@@ -2151,8 +2151,7 @@ m32c_register_move_cost (machine_mode mode, reg_class_t from,
HARD_REG_SET cc;
/* FIXME: pick real values, but not 2 for now. */
- cc = reg_class_contents[from];
- IOR_HARD_REG_SET (cc, reg_class_contents[(int) to]);
+ cc = reg_class_contents[from] | reg_class_contents[(int) to];
if (mode == QImode
&& hard_reg_set_intersect_p (cc, reg_class_contents[R23_REGS]))