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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 | 64c34e253563a8ba6b41fbce2bb020632cf65961 (patch) | |
| tree | f12d61d3513a9ba66d17f3ffa3fc6fbe3e4b918c /lib/Target/PowerPC/PPCSubtarget.cpp | |
| parent | aab8e28d5e470711d80276bbf717408c3ab966fd (diff) | |
| download | llvm-64c34e253563a8ba6b41fbce2bb020632cf65961.tar.gz llvm-64c34e253563a8ba6b41fbce2bb020632cf65961.tar.bz2 llvm-64c34e253563a8ba6b41fbce2bb020632cf65961.tar.xz | |
update PPC 940 hazard rec. to function in postRA mode
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145676 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/PowerPC/PPCSubtarget.cpp')
| -rw-r--r-- | lib/Target/PowerPC/PPCSubtarget.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCSubtarget.cpp b/lib/Target/PowerPC/PPCSubtarget.cpp index 8acf75c783..baa0eb550f 100644 --- a/lib/Target/PowerPC/PPCSubtarget.cpp +++ b/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; +} + |