From e7ada00d3383d76e31b43ce59b246afd4eda811a Mon Sep 17 00:00:00 2001 From: Pat Haugen Date: Tue, 29 Sep 2009 18:58:56 +0000 Subject: rs6000.c (rs6000_issue_rate): Don't artificially restrict issue_rate in first pass when... * config/rs6000/rs6000.c (rs6000_issue_rate): Don't artificially restrict issue_rate in first pass when scheduling for register pressure. From-SVN: r152291 --- gcc/ChangeLog | 6 ++++++ gcc/config/rs6000/rs6000.c | 5 +++-- 2 files changed, 9 insertions(+), 2 deletions(-) (limited to 'gcc') 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 + + * 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 Rafael Avila de Espindola 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) { -- cgit v1.1