[llvm-commits] [llvm] r120285 - in /llvm/trunk/lib/Target/CellSPU: SPUISelLowering.h SPUInstrInfo.td

[Kalle Raiskila]

Author: kraiskil
Date: Mon Nov 29 04:08:09 2010
New Revision: 120285

URL: http://llvm.org/viewvc/llvm-project?rev=120285&view=rev
Log:
Allow machine LICM to do its job on SPU.
-return a sensible value for register pressure
-add pattern to 'ila' instrucion

Modified:
    llvm/trunk/lib/Target/CellSPU/SPUISelLowering.h
    llvm/trunk/lib/Target/CellSPU/SPUInstrInfo.td

Modified: llvm/trunk/lib/Target/CellSPU/SPUISelLowering.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/CellSPU/SPUISelLowering.h?rev=120285&r1=120284&r2=120285&view=diff
==============================================================================
--- llvm/trunk/lib/Target/CellSPU/SPUISelLowering.h (original)
+++ llvm/trunk/lib/Target/CellSPU/SPUISelLowering.h Mon Nov 29 04:08:09 2010
@@ -181,6 +181,14 @@
 
     virtual bool isLegalAddressingMode(const AddrMode &AM, 
                                        const Type *Ty) const;
+ 
+    /// After allocating this many registers, the allocator should feel
+    /// register pressure. The value is a somewhat random guess, based on the
+    /// number of non callee saved registers in the C calling convention.
+    virtual unsigned getRegPressureLimit( const TargetRegisterClass *RC,
+                                          MachineFunction &MF) const{
+      return 50;
+    }
   };
 }
 

Modified: llvm/trunk/lib/Target/CellSPU/SPUInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/CellSPU/SPUInstrInfo.td?rev=120285&r1=120284&r2=120285&view=diff
==============================================================================
--- llvm/trunk/lib/Target/CellSPU/SPUInstrInfo.td (original)
+++ llvm/trunk/lib/Target/CellSPU/SPUInstrInfo.td Mon Nov 29 04:08:09 2010
@@ -416,7 +416,7 @@
   def lo: ILARegInst<R32C, symbolLo, imm18>;
 
   def lsa: ILAInst<(outs R32C:$rT), (ins symbolLSA:$val),
-                   [/* no pattern */]>;
+                   [(set R32C:$rT, imm18:$val)]>;
 }
 
 defm ILA : ImmLoadAddress;