diff options
Diffstat (limited to 'lib/Target/X86/X86ISelLowering.cpp')
-rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 68df786f23..658837c83b 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -179,8 +179,11 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM) // For 64-bit since we have so many registers use the ILP scheduler, for // 32-bit code use the register pressure specific scheduling. + // For 32 bit Atom, use Hybrid (register pressure + latency) scheduling. if (Subtarget->is64Bit()) setSchedulingPreference(Sched::ILP); + else if (Subtarget->isAtom()) + setSchedulingPreference(Sched::Hybrid); else setSchedulingPreference(Sched::RegPressure); setStackPointerRegisterToSaveRestore(X86StackPtr); |