[llvm-commits] [llvm] r76042 - in /llvm/trunk/lib/Target/SystemZ: SystemZISelLowering.cpp SystemZInstrFP.td SystemZInstrInfo.td

[Anton Korobeynikov]

Author: asl
Date: Thu Jul 16 09:27:01 2009
New Revision: 76042

URL: http://llvm.org/viewvc/llvm-project?rev=76042&view=rev
Log:
Handle bitconverts

Modified:
    llvm/trunk/lib/Target/SystemZ/SystemZISelLowering.cpp
    llvm/trunk/lib/Target/SystemZ/SystemZInstrFP.td
    llvm/trunk/lib/Target/SystemZ/SystemZInstrInfo.td

Modified: llvm/trunk/lib/Target/SystemZ/SystemZISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/SystemZ/SystemZISelLowering.cpp?rev=76042&r1=76041&r2=76042&view=diff

==============================================================================
--- llvm/trunk/lib/Target/SystemZ/SystemZISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/SystemZ/SystemZISelLowering.cpp Thu Jul 16 09:27:01 2009
@@ -129,6 +129,10 @@
   setOperationAction(ISD::FCOS,             MVT::f32, Expand);
   setOperationAction(ISD::FCOS,             MVT::f64, Expand);
 
+  // We have only 64-bit bitconverts
+  setOperationAction(ISD::BIT_CONVERT,      MVT::f32, Promote);
+  setOperationAction(ISD::BIT_CONVERT,      MVT::i32, Promote);
+
   setOperationAction(ISD::UINT_TO_FP,       MVT::i32, Expand);
   setOperationAction(ISD::UINT_TO_FP,       MVT::i64, Expand);
   setOperationAction(ISD::FP_TO_UINT,       MVT::i32, Expand);

Modified: llvm/trunk/lib/Target/SystemZ/SystemZInstrFP.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/SystemZ/SystemZInstrFP.td?rev=76042&r1=76041&r2=76042&view=diff

==============================================================================
--- llvm/trunk/lib/Target/SystemZ/SystemZInstrFP.td (original)
+++ llvm/trunk/lib/Target/SystemZ/SystemZInstrFP.td Thu Jul 16 09:27:01 2009
@@ -295,6 +295,13 @@
                           (implicit PSW)]>;
 } // Defs = [PSW]
 
+def FBCONVG64   : Pseudo<(outs GR64:$dst), (ins FP64:$src),
+                         "lgdr\t{$dst, $src}",
+                         [(set GR64:$dst, (bitconvert FP64:$src))]>;
+def FBCONVF64   : Pseudo<(outs FP64:$dst), (ins GR64:$src),
+                         "ldgr\t{$dst, $src}",
+                         [(set FP64:$dst, (bitconvert GR64:$src))]>;
+
 //===----------------------------------------------------------------------===//
 // Test instructions (like AND but do not produce any result)
 

Modified: llvm/trunk/lib/Target/SystemZ/SystemZInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/SystemZ/SystemZInstrInfo.td?rev=76042&r1=76041&r2=76042&view=diff

==============================================================================
--- llvm/trunk/lib/Target/SystemZ/SystemZInstrInfo.td (original)
+++ llvm/trunk/lib/Target/SystemZ/SystemZInstrInfo.td Thu Jul 16 09:27:01 2009
@@ -785,7 +785,11 @@
 
 // FIXME: use add/sub tricks with 32678/-32768
 
-// Arbitrary immediate support.  Implement in terms of LLIHF/OILF.
+// Arbitrary immediate support.
+def : Pat<(i32 imm:$src),
+          (EXTRACT_SUBREG (MOV64ri32 (i64 imm:$src)), subreg_32bit)>;
+
+// Implement in terms of LLIHF/OILF.
 def : Pat<(i64 imm:$imm),
           (OR64rilo32 (MOV64rihi32 (HI32 imm:$imm)), (LO32 imm:$imm))>;
 
@@ -821,6 +825,3 @@
                                                      GR64:$src1, subreg_odd),
                                       GR64:$src2),
                           subreg_even)>;
-
-def : Pat<(i32 imm:$src),
-          (EXTRACT_SUBREG (MOV64ri32 (i64 imm:$src)), subreg_32bit)>;