[llvm] r211779 - add ppc64/pwr8 as target

[Will Schmidt]

Author: willschm
Date: Thu Jun 26 08:36:19 2014
New Revision: 211779

URL: http://llvm.org/viewvc/llvm-project?rev=211779&view=rev
Log:
add ppc64/pwr8 as target
includes handling DIR_PWR8 where appropriate
The P7Model Itinerary is currently tied in for use under the P8Model, and will be updated later.


Modified:
    llvm/trunk/lib/Target/PowerPC/PPC.td
    llvm/trunk/lib/Target/PowerPC/PPCHazardRecognizers.cpp
    llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.cpp
    llvm/trunk/lib/Target/PowerPC/PPCSubtarget.cpp
    llvm/trunk/lib/Target/PowerPC/PPCSubtarget.h

Modified: llvm/trunk/lib/Target/PowerPC/PPC.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPC.td?rev=211779&r1=211778&r2=211779&view=diff
==============================================================================
--- llvm/trunk/lib/Target/PowerPC/PPC.td (original)
+++ llvm/trunk/lib/Target/PowerPC/PPC.td Thu Jun 26 08:36:19 2014
@@ -46,6 +46,7 @@ def DirectivePwr5x: SubtargetFeature<"",
 def DirectivePwr6: SubtargetFeature<"", "DarwinDirective", "PPC::DIR_PWR6", "">;
 def DirectivePwr6x: SubtargetFeature<"", "DarwinDirective", "PPC::DIR_PWR6X", "">;
 def DirectivePwr7: SubtargetFeature<"", "DarwinDirective", "PPC::DIR_PWR7", "">;
+def DirectivePwr8: SubtargetFeature<"", "DarwinDirective", "PPC::DIR_PWR8", "">;
 
 def Feature64Bit     : SubtargetFeature<"64bit","Has64BitSupport", "true",
                                         "Enable 64-bit instructions">;
@@ -281,6 +282,15 @@ def : ProcessorModel<"pwr7", P7Model,
                    FeatureMFOCRF, FeatureFCPSGN, FeatureFSqrt, FeatureFRE,
                    FeatureFRES, FeatureFRSQRTE, FeatureFRSQRTES,
                    FeatureRecipPrec, FeatureSTFIWX, FeatureLFIWAX,
+                   FeatureFPRND, FeatureFPCVT, FeatureISEL,
+                   FeaturePOPCNTD, FeatureLDBRX,
+                   Feature64Bit /*, Feature64BitRegs */,
+                   DeprecatedMFTB, DeprecatedDST]>;
+def : ProcessorModel<"pwr8", P7Model /* FIXME: Update to P8Model when available */,
+                  [DirectivePwr8, FeatureAltivec,
+                   FeatureMFOCRF, FeatureFCPSGN, FeatureFSqrt, FeatureFRE,
+                   FeatureFRES, FeatureFRSQRTE, FeatureFRSQRTES,
+                   FeatureRecipPrec, FeatureSTFIWX, FeatureLFIWAX,
                    FeatureFPRND, FeatureFPCVT, FeatureISEL,
                    FeaturePOPCNTD, FeatureLDBRX,
                    Feature64Bit /*, Feature64BitRegs */,

Modified: llvm/trunk/lib/Target/PowerPC/PPCHazardRecognizers.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCHazardRecognizers.cpp?rev=211779&r1=211778&r2=211779&view=diff
==============================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCHazardRecognizers.cpp (original)
+++ llvm/trunk/lib/Target/PowerPC/PPCHazardRecognizers.cpp Thu Jun 26 08:36:19 2014
@@ -162,7 +162,8 @@ unsigned PPCDispatchGroupSBHazardRecogni
     unsigned Directive =
       DAG->TM.getSubtarget<PPCSubtarget>().getDarwinDirective();
     // If we're using a special group-terminating nop, then we need only one.
-    if (Directive == PPC::DIR_PWR6 || Directive == PPC::DIR_PWR7)
+    if (Directive == PPC::DIR_PWR6 || Directive == PPC::DIR_PWR7 ||
+        Directive == PPC::DIR_PWR8 )
       return 1;
 
     return 5 - CurSlots;
@@ -223,7 +224,7 @@ void PPCDispatchGroupSBHazardRecognizer:
   // If the group has now filled all of its slots, or if we're using a special
   // group-terminating nop, the group is complete.
   if (Directive == PPC::DIR_PWR6 || Directive == PPC::DIR_PWR7 ||
-      CurSlots == 6)  {
+      Directive == PPC::DIR_PWR8 || CurSlots == 6)  {
     CurGroup.clear();
     CurSlots = CurBranches = 0;
   } else {

Modified: llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.cpp?rev=211779&r1=211778&r2=211779&view=diff
==============================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.cpp (original)
+++ llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.cpp Thu Jun 26 08:36:19 2014
@@ -90,7 +90,7 @@ ScheduleHazardRecognizer *PPCInstrInfo::
   unsigned Directive =
       DAG->TM.getSubtarget<PPCSubtarget>().getDarwinDirective();
 
-  if (Directive == PPC::DIR_PWR7)
+  if (Directive == PPC::DIR_PWR7 || Directive == PPC::DIR_PWR8)
     return new PPCDispatchGroupSBHazardRecognizer(II, DAG);
 
   // Most subtargets use a PPC970 recognizer.
@@ -146,6 +146,7 @@ int PPCInstrInfo::getOperandLatency(cons
     case PPC::DIR_PWR6:
     case PPC::DIR_PWR6X:
     case PPC::DIR_PWR7:
+    case PPC::DIR_PWR8:
       Latency += 2;
       break;
     }
@@ -323,6 +324,7 @@ void PPCInstrInfo::insertNoop(MachineBas
   default:            Opcode = PPC::NOP; break;
   case PPC::DIR_PWR6: Opcode = PPC::NOP_GT_PWR6; break;
   case PPC::DIR_PWR7: Opcode = PPC::NOP_GT_PWR7; break;
+  case PPC::DIR_PWR8: Opcode = PPC::NOP_GT_PWR7; break; /* FIXME: Update when P8 InstrScheduling model is ready */
   }
 
   DebugLoc DL;

Modified: llvm/trunk/lib/Target/PowerPC/PPCSubtarget.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCSubtarget.cpp?rev=211779&r1=211778&r2=211779&view=diff
==============================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCSubtarget.cpp (original)
+++ llvm/trunk/lib/Target/PowerPC/PPCSubtarget.cpp Thu Jun 26 08:36:19 2014
@@ -247,6 +247,7 @@ static bool needsAggressiveScheduling(un
   case PPC::DIR_E500mc:
   case PPC::DIR_E5500:
   case PPC::DIR_PWR7:
+  case PPC::DIR_PWR8:
     return true;
   }
 }

Modified: llvm/trunk/lib/Target/PowerPC/PPCSubtarget.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCSubtarget.h?rev=211779&r1=211778&r2=211779&view=diff
==============================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCSubtarget.h (original)
+++ llvm/trunk/lib/Target/PowerPC/PPCSubtarget.h Thu Jun 26 08:36:19 2014
@@ -56,6 +56,7 @@ namespace PPC {
     DIR_PWR6,
     DIR_PWR6X,
     DIR_PWR7,
+    DIR_PWR8,
     DIR_64
   };
 }