diff options
| author | Richard Kenner <kenner@gcc.gnu.org> | 1994-02-11 17:30:20 -0500 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1994-02-11 17:30:20 -0500 |
| commit | dc9036088b25b9df5d960f9b608b670181b7dccb (patch) | |
| tree | c332a2c723c780b974fd32263ba1c942763da0ed | |
| parent | 9d891e9a7e8ab20530e4cf9eb412c2a21a7a4295 (diff) | |
| download | gcc-dc9036088b25b9df5d960f9b608b670181b7dccb.zip gcc-dc9036088b25b9df5d960f9b608b670181b7dccb.tar.gz gcc-dc9036088b25b9df5d960f9b608b670181b7dccb.tar.bz2 | |
(record_reg_classes): Fix logic in case of matching operands.
From-SVN: r6528
| -rw-r--r-- | gcc/regclass.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/regclass.c b/gcc/regclass.c index e055c4f..3beac27 100644 --- a/gcc/regclass.c +++ b/gcc/regclass.c @@ -988,15 +988,15 @@ record_reg_classes (n_alts, n_ops, ops, modes, constraints, insn) if (GET_CODE (op) != REG || REGNO (op) < FIRST_PSEUDO_REGISTER) { /* If this matches the other operand, we have no added - cost. */ + cost and we win. */ if (rtx_equal_p (ops[j], op)) - ; + win = 1; /* If we can put the other operand into a register, add to the cost of this alternative the cost to copy this operand to the register used for the other operand. */ - if (classes[j] != NO_REGS) + else if (classes[j] != NO_REGS) alt_cost += copy_cost (op, mode, classes[j], 1), win = 1; } else if (GET_CODE (ops[j]) != REG |