[llvm-commits] CVS: llvm/include/Support/MathExtras.h

[Chris Lattner]

Changes in directory llvm/include/Support:

MathExtras.h updated: 1.13 -> 1.14
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Log message:

Add an overload


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Diffs of the changes:  (+7 -0)

Index: llvm/include/Support/MathExtras.h
diff -u llvm/include/Support/MathExtras.h:1.13 llvm/include/Support/MathExtras.h:1.14
--- llvm/include/Support/MathExtras.h:1.13	Tue Jul 20 22:15:14 2004
+++ llvm/include/Support/MathExtras.h	Tue Aug 17 14:17:10 2004
@@ -29,6 +29,13 @@
   return getPow;
 }
 
+inline unsigned log2(unsigned C) {
+  unsigned getPow;
+  for (getPow = 0; C > 1; ++getPow)
+    C >>= 1;
+  return getPow;
+}
+
 inline bool isPowerOf2(int64_t C, unsigned &getPow) {
   if (C < 0) C = -C;
   if (C > 0 && C == (C & ~(C - 1))) {