[llvm-commits] [llvm] r147001 - /llvm/trunk/lib/Target/Mips/MipsInstrInfo.td

[Akira Hatanaka]

Author: ahatanak
Date: Tue Dec 20 16:33:53 2011
New Revision: 147001

URL: http://llvm.org/viewvc/llvm-project?rev=147001&view=rev
Log:
Add patterns for matching extloads with 64-bit address. The patterns are enabled
only when the target ABI is N64.


Modified:
    llvm/trunk/lib/Target/Mips/MipsInstrInfo.td

Modified: llvm/trunk/lib/Target/Mips/MipsInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsInstrInfo.td?rev=147001&r1=147000&r2=147001&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsInstrInfo.td (original)
+++ llvm/trunk/lib/Target/Mips/MipsInstrInfo.td Tue Dec 20 16:33:53 2011
@@ -1008,11 +1008,19 @@
 def : Pat<(not CPURegs:$in),
           (NOR CPURegs:$in, ZERO)>;
 
-// extended load and stores
-def : Pat<(extloadi1  addr:$src), (LBu addr:$src)>;
-def : Pat<(extloadi8  addr:$src), (LBu addr:$src)>;
-def : Pat<(extloadi16_a addr:$src), (LHu addr:$src)>;
-def : Pat<(extloadi16_u addr:$src), (ULHu addr:$src)>;
+// extended loads
+let Predicates = [NotN64] in {
+  def : Pat<(i32 (extloadi1  addr:$src)), (LBu addr:$src)>;
+  def : Pat<(i32 (extloadi8  addr:$src)), (LBu addr:$src)>;
+  def : Pat<(i32 (extloadi16_a addr:$src)), (LHu addr:$src)>;
+  def : Pat<(i32 (extloadi16_u addr:$src)), (ULHu addr:$src)>;
+}
+let Predicates = [IsN64] in {
+  def : Pat<(i32 (extloadi1  addr:$src)), (LBu_P8 addr:$src)>;
+  def : Pat<(i32 (extloadi8  addr:$src)), (LBu_P8 addr:$src)>;
+  def : Pat<(i32 (extloadi16_a addr:$src)), (LHu_P8 addr:$src)>;
+  def : Pat<(i32 (extloadi16_u addr:$src)), (ULHu_P8 addr:$src)>;
+}
 
 // peepholes
 def : Pat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>,