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| author | Richard Kenner <kenner@gcc.gnu.org> | 1993-10-06 06:58:50 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1993-10-06 06:58:50 -0400 |
| commit | 37747c821026a1caffb58875a75368d1c56a5e89 (patch) | |
| tree | c47a1f368efe904b7a24d54a15b3a6f8dddecf3f /gcc/regclass.c | |
| parent | 2bb81c86deadeb3c95eff414c9a44c73125b0ae5 (diff) | |
| download | gcc-37747c821026a1caffb58875a75368d1c56a5e89.zip gcc-37747c821026a1caffb58875a75368d1c56a5e89.tar.gz gcc-37747c821026a1caffb58875a75368d1c56a5e89.tar.bz2 | |
(record_reg_classes): Check if operands are the same by seeing if they
are the same register.
From-SVN: r5632
Diffstat (limited to 'gcc/regclass.c')
| -rw-r--r-- | gcc/regclass.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/gcc/regclass.c b/gcc/regclass.c index 20b0b8a..9ccabf2 100644 --- a/gcc/regclass.c +++ b/gcc/regclass.c @@ -998,10 +998,9 @@ record_reg_classes (n_alts, n_ops, ops, modes, constraints, insn) instruction. */ this_op_costs[i] = this_op_costs[j]; - if (! (GET_CODE (op) == REG && rtx_equal_p (op, ops[j]))) - /* No cost if both are the same pseudo reg. */ - if (! find_reg_note (insn, REG_DEAD, op)) - alt_cost += 2; + if (REGNO (ops[i]) != REGNO (ops[j]) + && ! find_reg_note (insn, REG_DEAD, op)) + alt_cost += 2; /* This is in place of ordinary cost computation for this operand, so skip to the end of the |