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| author | James Y Knight <jyknight@google.com> | 2015-09-10 18:20:45 +0000 |
|---|---|---|
| committer | James Y Knight <jyknight@google.com> | 2015-09-10 18:20:45 +0000 |
| commit | 8a772cfd61e75a46f0f7ace68b0eb8e0510212d9 (patch) | |
| tree | 642140a8fcbb225df91c89af90e800cd09631f21 /llvm/lib/Target/Sparc/SparcSubtarget.h | |
| parent | ddb4d9741f985fa5bc86fbaac4607721400f820c (diff) | |
| download | bcm5719-llvm-8a772cfd61e75a46f0f7ace68b0eb8e0510212d9.tar.gz bcm5719-llvm-8a772cfd61e75a46f0f7ace68b0eb8e0510212d9.zip | |
[SPARC] Switch to the Machine Scheduler.
The (mostly-deprecated) SelectionDAG-based ILPListDAGScheduler scheduler
was making poor scheduling decisions, causing high register pressure and
extraneous register spills.
Switching to the newer machine scheduler generates better code -- even
without there being a machine model defined for SPARC yet.
llvm-svn: 247315
Diffstat (limited to 'llvm/lib/Target/Sparc/SparcSubtarget.h')
| -rw-r--r-- | llvm/lib/Target/Sparc/SparcSubtarget.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Target/Sparc/SparcSubtarget.h b/llvm/lib/Target/Sparc/SparcSubtarget.h index 9d21911d88f..e2fd2f04528 100644 --- a/llvm/lib/Target/Sparc/SparcSubtarget.h +++ b/llvm/lib/Target/Sparc/SparcSubtarget.h @@ -60,6 +60,8 @@ public: return &TSInfo; } + bool enableMachineScheduler() const override; + bool isV9() const { return IsV9; } bool isVIS() const { return IsVIS; } bool isVIS2() const { return IsVIS2; } @@ -85,7 +87,6 @@ public: /// returns adjusted framesize which includes space for register window /// spills and arguments. int getAdjustedFrameSize(int stackSize) const; - }; } // end namespace llvm |
