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Change ARM scheduling default to list-hybrid if the target supports floating point instructions (and is not using soft float).

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104307 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2010-05-21 00:43:17 +00:00
parent b11ac950d6
commit f7d87ee158
9 changed files with 18 additions and 15 deletions
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5
lib/Target/ARM/ARMISelLowering.cpp
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@@ -467,7 +467,10 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM)
setStackPointerRegisterToSaveRestore(ARM::SP);
setSchedulingPreference(Sched::RegPressure);
if (UseSoftFloat || Subtarget->isThumb1Only() || !Subtarget->hasVFP2())
setSchedulingPreference(Sched::RegPressure);
else
setSchedulingPreference(Sched::Hybrid);
// FIXME: If-converter should use instruction latency to determine
// profitability rather than relying on fixed limits.