[llvm-commits] [llvm] r130354 - /llvm/trunk/lib/Target/PTX/PTXISelLowering.cpp

[Justin Holewinski]

Author: jholewinski
Date: Wed Apr 27 19:19:52 2011
New Revision: 130354

URL: http://llvm.org/viewvc/llvm-project?rev=130354&view=rev
Log:
PTX: support for zext loads and trunc stores

- expansion of EXTLOAD and TRUNCSTORE instructions

Patch by Dan Bailey

Modified:
    llvm/trunk/lib/Target/PTX/PTXISelLowering.cpp

Modified: llvm/trunk/lib/Target/PTX/PTXISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PTX/PTXISelLowering.cpp?rev=130354&r1=130353&r2=130354&view=diff
==============================================================================
--- llvm/trunk/lib/Target/PTX/PTXISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/PTX/PTXISelLowering.cpp Wed Apr 27 19:19:52 2011
@@ -34,11 +34,23 @@
   addRegisterClass(MVT::f32, PTX::RRegf32RegisterClass);
   addRegisterClass(MVT::f64, PTX::RRegf64RegisterClass);
 
+  setBooleanContents(ZeroOrOneBooleanContent);
+  
   setOperationAction(ISD::EXCEPTIONADDR, MVT::i32, Expand);
 
   setOperationAction(ISD::ConstantFP, MVT::f32, Legal);
   setOperationAction(ISD::ConstantFP, MVT::f64, Legal);
-
+  
+  // Turn i16 (z)extload into load + (z)extend
+  setLoadExtAction(ISD::EXTLOAD, MVT::i16, Expand);
+  setLoadExtAction(ISD::ZEXTLOAD, MVT::i16, Expand);
+
+  // Turn f32 extload into load + fextend
+  setLoadExtAction(ISD::EXTLOAD, MVT::f32, Expand);
+  
+  // Turn f64 truncstore into trunc + store.
+  setTruncStoreAction(MVT::f64, MVT::f32, Expand);
+  
   // Customize translation of memory addresses
   setOperationAction(ISD::GlobalAddress, MVT::i32, Custom);
   setOperationAction(ISD::GlobalAddress, MVT::i64, Custom);