[llvm-commits] CVS: llvm/lib/Target/SparcV8/SparcV8InstrInfo.td

[Chris Lattner]

Changes in directory llvm/lib/Target/SparcV8:

SparcV8InstrInfo.td updated: 1.54 -> 1.55
---
Log message:

Use a combination of sethi and or to build arbitrary immediates.


---
Diffs of the changes:  (+7 -0)

 SparcV8InstrInfo.td |    7 +++++++
 1 files changed, 7 insertions(+)


Index: llvm/lib/Target/SparcV8/SparcV8InstrInfo.td
diff -u llvm/lib/Target/SparcV8/SparcV8InstrInfo.td:1.54 llvm/lib/Target/SparcV8/SparcV8InstrInfo.td:1.55
--- llvm/lib/Target/SparcV8/SparcV8InstrInfo.td:1.54	Sat Dec 17 13:37:00 2005
+++ llvm/lib/Target/SparcV8/SparcV8InstrInfo.td	Sat Dec 17 13:41:43 2005
@@ -39,6 +39,10 @@
   return (((int)N->getValue() << (32-13)) >> (32-13)) == (int)N->getValue();
 }]>;
 
+def LO10 : SDNodeXForm<imm, [{
+  return CurDAG->getTargetConstant((unsigned)N->getValue() & 1023, MVT::i32);
+}]>;
+
 def HI22 : SDNodeXForm<imm, [{
   // Transformation function: shift the immediate value down into the low bits.
   return CurDAG->getTargetConstant((unsigned)N->getValue() >> 10, MVT::i32);
@@ -580,3 +584,6 @@
 // Small immediates.
 def : Pat<(i32 simm13:$val),
           (ORri G0, imm:$val)>;
+// Arbitrary immediates.
+def : Pat<(i32 imm:$val),
+          (ORri (SETHIi (HI22 imm:$val)), (LO10 imm:$val))>;
\ No newline at end of file