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| author | Hal Finkel <hfinkel@anl.gov> | 2012-04-01 19:23:08 +0000 |
|---|---|---|
| committer | Hal Finkel <hfinkel@anl.gov> | 2012-04-01 19:23:08 +0000 |
| commit | 3f31d492a5d0fadf11290e8453f8c519a89b1302 (patch) | |
| tree | 2311df726cc0bbc7a9dae3db118b8f059eb87979 /lib/Target/PowerPC | |
| parent | 800125f3a3f77ed4b71f3fbc5d9c4c830a612c77 (diff) | |
| download | external_llvm-3f31d492a5d0fadf11290e8453f8c519a89b1302.zip external_llvm-3f31d492a5d0fadf11290e8453f8c519a89b1302.tar.gz external_llvm-3f31d492a5d0fadf11290e8453f8c519a89b1302.tar.bz2 | |
Set the default PPC node scheduling preference to ILP (for the embedded cores).
The 440 and A2 cores have detailed itineraries, and this allows them to be
fully used to maximize throughput.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153845 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/PowerPC')
| -rw-r--r-- | lib/Target/PowerPC/PPCISelLowering.cpp | 9 | ||||
| -rw-r--r-- | lib/Target/PowerPC/PPCISelLowering.h | 1 |
2 files changed, 10 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp index 8357e8b..00f2dcc 100644 --- a/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/lib/Target/PowerPC/PPCISelLowering.cpp @@ -5837,3 +5837,12 @@ EVT PPCTargetLowering::getOptimalMemOpType(uint64_t Size, return MVT::i32; } } + +Sched::Preference PPCTargetLowering::getSchedulingPreference(SDNode *N) const { + unsigned Directive = PPCSubTarget.getDarwinDirective(); + if (Directive == PPC::DIR_440 || Directive == PPC::DIR_A2) + return Sched::ILP; + + return TargetLowering::getSchedulingPreference(N); +} + diff --git a/lib/Target/PowerPC/PPCISelLowering.h b/lib/Target/PowerPC/PPCISelLowering.h index e79229f..6a00989 100644 --- a/lib/Target/PowerPC/PPCISelLowering.h +++ b/lib/Target/PowerPC/PPCISelLowering.h @@ -281,6 +281,7 @@ namespace llvm { bool SelectAddressRegImmShift(SDValue N, SDValue &Disp, SDValue &Base, SelectionDAG &DAG) const; + Sched::Preference getSchedulingPreference(SDNode *N) const; /// LowerOperation - Provide custom lowering hooks for some operations. /// |