[llvm-commits] CVS: llvm/lib/Target/X86/X86ISelPattern.cpp

Chris Lattner lattner at cs.uiuc.edu
Thu Apr 28 15:07:35 PDT 2005



Changes in directory llvm/lib/Target/X86:

X86ISelPattern.cpp updated: 1.108 -> 1.109
---
Log message:

Add support for FSQRT node, patch contributed by Morten Ofstad


---
Diffs of the changes:  (+8 -4)

 X86ISelPattern.cpp |   12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)


Index: llvm/lib/Target/X86/X86ISelPattern.cpp
diff -u llvm/lib/Target/X86/X86ISelPattern.cpp:1.108 llvm/lib/Target/X86/X86ISelPattern.cpp:1.109
--- llvm/lib/Target/X86/X86ISelPattern.cpp:1.108	Wed Apr 27 15:10:01 2005
+++ llvm/lib/Target/X86/X86ISelPattern.cpp	Thu Apr 28 17:07:18 2005
@@ -1830,12 +1830,16 @@
     return Result;
 
   case ISD::FABS:
-    Tmp1 = SelectExpr(Node->getOperand(0));
-    BuildMI(BB, X86::FABS, 1, Result).addReg(Tmp1);
-    return Result;
   case ISD::FNEG:
+  case ISD::FSQRT:
+    assert(N.getValueType()==MVT::f64 && "Illegal type for this operation");
     Tmp1 = SelectExpr(Node->getOperand(0));
-    BuildMI(BB, X86::FCHS, 1, Result).addReg(Tmp1);
+    switch (N.getOpcode()) {
+    default: assert(0 && "Unreachable!");
+    case ISD::FABS: BuildMI(BB, X86::FABS, 1, Result).addReg(Tmp1); break;
+    case ISD::FNEG: BuildMI(BB, X86::FCHS, 1, Result).addReg(Tmp1); break;
+    case ISD::FSQRT: BuildMI(BB, X86::FSQRT, 1, Result).addReg(Tmp1); break;
+    }
     return Result;
 
   case ISD::MULHU:






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