| commit | f24c49c24a4979fe50eff7afe18f371f5809177d | [log] [tgz] |
|---|---|---|
| author | Richard Henderson <rth@twiddle.net> | Wed Sep 19 13:50:07 2012 -0700 |
| committer | Richard Henderson <rth@twiddle.net> | Sat Jan 05 12:18:45 2013 -0800 |
| tree | b2b5e77d879cdc2cead9422ec2ab5559b7f85097 | |
| parent | d074ac6d266129f8f4e2aac5b0e6c39c22964d9a [diff] |
target-s390: Optmize emitting discards While they aren't expensive, they aren't free to process. When we know that the three cc helper variables are dead, don't kill them. Signed-off-by: Richard Henderson <rth@twiddle.net>