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| author | Hal Finkel <hfinkel@anl.gov> | 2011-12-02 04:58:02 +0000 |
|---|---|---|
| committer | Hal Finkel <hfinkel@anl.gov> | 2011-12-02 04:58:02 +0000 |
| commit | 58ca3600817a2f930c9167a423578b6c5189f96b (patch) | |
| tree | d323e9235ab879653c88b29d757f0d029c22dc38 /llvm/lib/Target/PowerPC/PPCSubtarget.cpp | |
| parent | 596ab8ee08fd9780253353a2860cef212506d665 (diff) | |
| download | bcm5719-llvm-58ca3600817a2f930c9167a423578b6c5189f96b.tar.gz bcm5719-llvm-58ca3600817a2f930c9167a423578b6c5189f96b.zip | |
update PPC 940 hazard rec. to function in postRA mode
llvm-svn: 145676
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPCSubtarget.cpp')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCSubtarget.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCSubtarget.cpp b/llvm/lib/Target/PowerPC/PPCSubtarget.cpp index 8acf75c783e..baa0eb550ff 100644 --- a/llvm/lib/Target/PowerPC/PPCSubtarget.cpp +++ b/llvm/lib/Target/PowerPC/PPCSubtarget.cpp @@ -12,6 +12,7 @@ //===----------------------------------------------------------------------===// #include "PPCSubtarget.h" +#include "PPCRegisterInfo.h" #include "PPC.h" #include "llvm/GlobalValue.h" #include "llvm/Target/TargetMachine.h" @@ -140,3 +141,22 @@ bool PPCSubtarget::hasLazyResolverStub(const GlobalValue *GV, return GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() || GV->hasCommonLinkage() || isDecl; } + +bool PPCSubtarget::enablePostRAScheduler( + CodeGenOpt::Level OptLevel, + TargetSubtargetInfo::AntiDepBreakMode& Mode, + RegClassVector& CriticalPathRCs) const { + if (DarwinDirective == PPC::DIR_440) + return false; + + Mode = TargetSubtargetInfo::ANTIDEP_CRITICAL; + CriticalPathRCs.clear(); + + if (isPPC64()) + CriticalPathRCs.push_back(&PPC::G8RCRegClass); + else + CriticalPathRCs.push_back(&PPC::GPRCRegClass); + + return OptLevel >= CodeGenOpt::Default; +} + |
