[llvm-commits] CVS: llvm/lib/Target/CBackend/Writer.cpp

[Chris Lattner]

Changes in directory llvm/lib/Target/CBackend:

Writer.cpp updated: 1.174 -> 1.175

---
Log message:

Fix to make the CBE always emit comparisons inline.  Hopefully this will
fix the really bad code we're getting on PPC.


---
Diffs of the changes:  (+4 -0)

Index: llvm/lib/Target/CBackend/Writer.cpp
diff -u llvm/lib/Target/CBackend/Writer.cpp:1.174 llvm/lib/Target/CBackend/Writer.cpp:1.175
--- llvm/lib/Target/CBackend/Writer.cpp:1.174	Sun May  9 15:41:32 2004
+++ llvm/lib/Target/CBackend/Writer.cpp	Thu May 20 15:25:50 2004
@@ -126,6 +126,10 @@
     // printed and an extra copy of the expr is not emitted.
     //
     static bool isInlinableInst(const Instruction &I) {
+      // Always inline setcc instructions, even if they are shared by multiple
+      // expressions.  GCC generates horrible code if we don't.
+      if (isa<SetCondInst>(I)) return true;
+
       // Must be an expression, must be used exactly once.  If it is dead, we
       // emit it inline where it would go.
       if (I.getType() == Type::VoidTy || !I.hasOneUse() ||