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| author | Andrew Trick <atrick@apple.com> | 2012-06-22 03:58:51 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2012-06-22 03:58:51 +0000 |
| commit | d85934b3e5a96040e199e1b098705eb56cde584a (patch) | |
| tree | d4fc16ec73599d4d8860172ba7adec80357e1d3c /include/llvm/Target | |
| parent | e208c491726bb1efbfc4fc05a9f73ad808432979 (diff) | |
| download | external_llvm-d85934b3e5a96040e199e1b098705eb56cde584a.zip external_llvm-d85934b3e5a96040e199e1b098705eb56cde584a.tar.gz external_llvm-d85934b3e5a96040e199e1b098705eb56cde584a.tar.bz2 | |
Use "NoItineraries" for processors with no itineraries.
This makes it explicit when ScoreboardHazardRecognizer will be used.
"GenericItineraries" would only make sense if it contained real
itinerary values and still required ScoreboardHazardRecognizer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158963 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Target')
| -rw-r--r-- | include/llvm/Target/TargetSchedule.td | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/llvm/Target/TargetSchedule.td b/include/llvm/Target/TargetSchedule.td index 31e8b17..e22e67c 100644 --- a/include/llvm/Target/TargetSchedule.td +++ b/include/llvm/Target/TargetSchedule.td @@ -133,7 +133,8 @@ class ProcessorItineraries<list<FuncUnit> fu, list<Bypass> bp, } // NoItineraries - A marker that can be used by processors without schedule -// info. +// info. Subtargets using NoItineraries can bypass the scheduler's +// expensive HazardRecognizer because no reservation table is needed. def NoItineraries : ProcessorItineraries<[], [], []>; // Processor itineraries with non-unit issue width. This allows issue |