diff options
| author | Andrew Trick <atrick@apple.com> | 2012-06-05 03:44:43 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2012-06-05 03:44:43 +0000 |
| commit | f94f051cf5bb2ffbe08f42d1ad6646c900ed6aaa (patch) | |
| tree | 15af740a873c04733c44402a39a4a18d8fb1c417 /lib/Target/ARM/ARMSubtarget.cpp | |
| parent | fc992996f751e0941951b6d08d8f1e80ebec1385 (diff) | |
ARM itinerary properties.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157980 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMSubtarget.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMSubtarget.cpp | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/lib/Target/ARM/ARMSubtarget.cpp b/lib/Target/ARM/ARMSubtarget.cpp index 0bea9e4b2b..db6512c9b9 100644 --- a/lib/Target/ARM/ARMSubtarget.cpp +++ b/lib/Target/ARM/ARMSubtarget.cpp @@ -100,9 +100,6 @@ ARMSubtarget::ARMSubtarget(const std::string &TT, const std::string &CPU, // Initialize scheduling itinerary for the specified CPU. InstrItins = getInstrItineraryForCPU(CPUString); - // After parsing Itineraries, set ItinData.IssueWidth. - computeIssueWidth(); - if ((TT.find("eabi") != std::string::npos) || (isTargetIOS() && isMClass())) // FIXME: We might want to separate AAPCS and EABI. Some systems, e.g. // Darwin-EABI conforms to AACPS but not the rest of EABI. @@ -193,23 +190,6 @@ unsigned ARMSubtarget::getMispredictionPenalty() const { return 10; } -void ARMSubtarget::computeIssueWidth() { - unsigned allStage1Units = 0; - for (const InstrItinerary *itin = InstrItins.Itineraries; - itin->FirstStage != ~0U; ++itin) { - const InstrStage *IS = InstrItins.Stages + itin->FirstStage; - allStage1Units |= IS->getUnits(); - } - InstrItins.Props.IssueWidth = 0; - while (allStage1Units) { - ++InstrItins.Props.IssueWidth; - // clear the lowest bit - allStage1Units ^= allStage1Units & ~(allStage1Units - 1); - } - assert(InstrItins.Props.IssueWidth <= 2 && - "itinerary bug, too many stage 1 units"); -} - bool ARMSubtarget::enablePostRAScheduler( CodeGenOpt::Level OptLevel, TargetSubtargetInfo::AntiDepBreakMode& Mode, |