diff options
| -rw-r--r-- | gcc/ChangeLog | 13 | ||||
| -rw-r--r-- | gcc/sched-deps.c | 11 |
2 files changed, 22 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d39bddc..a638f79 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,16 @@ +2013-06-03 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/57268 + * sched-deps.c (sched_analyze_2): Don't flush_pedning_lists + if DEBUG_INSN_P (insn). + + Reapply + 2013-05-31 Dinar Temirbulatov <dinar@kugelworks.com> + + PR rtl-optimization/57268 + * sched-deps.c (sched_analyze_2): Flush dependence lists if + the sum of the read and write lists exceeds MAX_PENDING_LIST_LENGTH. + 2013-06-03 Yuri Rumyantsev <yuri.s.rumyantsev@intel.com> * config/i386/i386.c (ix86_lea_outperforms): Fix formatting. diff --git a/gcc/sched-deps.c b/gcc/sched-deps.c index c7ef1d8..8270d58 100644 --- a/gcc/sched-deps.c +++ b/gcc/sched-deps.c @@ -2690,8 +2690,15 @@ sched_analyze_2 (struct deps_desc *deps, rtx x, rtx insn) /* Always add these dependencies to pending_reads, since this insn may be followed by a write. */ - if (!deps->readonly) - add_insn_mem_dependence (deps, true, insn, x); + if (!deps->readonly) + { + if ((deps->pending_read_list_length + + deps->pending_write_list_length) + > MAX_PENDING_LIST_LENGTH + && !DEBUG_INSN_P (insn)) + flush_pending_lists (deps, insn, true, true); + add_insn_mem_dependence (deps, true, insn, x); + } sched_analyze_2 (deps, XEXP (x, 0), insn); |