[llvm] r186196 - R600: Remove unsafe type punning. No intended functionality change.

[Benjamin Kramer]

Author: d0k
Date: Fri Jul 12 15:18:05 2013
New Revision: 186196

URL: http://llvm.org/viewvc/llvm-project?rev=186196&view=rev
Log:
R600: Remove unsafe type punning. No intended functionality change.

Modified:
    llvm/trunk/lib/Target/R600/SIInstrInfo.td

Modified: llvm/trunk/lib/Target/R600/SIInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/R600/SIInstrInfo.td?rev=186196&r1=186195&r2=186196&view=diff
==============================================================================
--- llvm/trunk/lib/Target/R600/SIInstrInfo.td (original)
+++ llvm/trunk/lib/Target/R600/SIInstrInfo.td Fri Jul 12 15:18:05 2013
@@ -22,9 +22,8 @@ def LO32 : SDNodeXForm<imm, [{
 }]>;
 
 def LO32f : SDNodeXForm<fpimm, [{
-  uint64_t val = N->getValueAPF().bitcastToAPInt().getZExtValue() & 0xffffffff;
-  float *fval = reinterpret_cast<float *>(&val);
-  return CurDAG->getTargetConstantFP(*fval, MVT::f32);
+  APInt V = N->getValueAPF().bitcastToAPInt().trunc(32);
+  return CurDAG->getTargetConstantFP(APFloat(APFloat::IEEEsingle, V), MVT::f32);
 }]>;
 
 // Transformation function, extract the upper 32bit of a 64bit immediate
@@ -33,9 +32,8 @@ def HI32 : SDNodeXForm<imm, [{
 }]>;
 
 def HI32f : SDNodeXForm<fpimm, [{
-  uint64_t val = N->getValueAPF().bitcastToAPInt().getZExtValue() >> 32;
-  float *fval = reinterpret_cast<float *>(&val);
-  return CurDAG->getTargetConstantFP(*fval, MVT::f32);
+  APInt V = N->getValueAPF().bitcastToAPInt().lshr(32).trunc(32);
+  return CurDAG->getTargetConstantFP(APFloat(APFloat::IEEEsingle, V), MVT::f32);
 }]>;
 
 def IMM8bitDWORD : ImmLeaf <