diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 5 |
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ac2045b..197cec1 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2009-09-29 Pat Haugen <pthaugen@us.ibm.com> + + * config/rs6000/rs6000.c (rs6000_issue_rate): Don't artificially + restrict issue_rate in first pass when scheduling for register + pressure. + 2009-09-29 Basile Starynkevitch <basile@starynkevitch.net> Rafael Avila de Espindola <espindola@google.com> diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 2de4ffa..cafe2b3 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -21760,8 +21760,9 @@ is_nonpipeline_insn (rtx insn) static int rs6000_issue_rate (void) { - /* Use issue rate of 1 for first scheduling pass to decrease degradation. */ - if (!reload_completed) + /* Unless scheduling for register pressure, use issue rate of 1 for + first scheduling pass to decrease degradation. */ + if (!reload_completed && !flag_sched_pressure) return 1; switch (rs6000_cpu_attr) { |