RegAllocGreedy.cpp: Use more simple value as Hysteresis, to suppress -mfpmath-dependent behavior.

llvm-svn: 200738
2014-02-04 06:29:38 +00:00 · 2014-02-04 06:29:38 +00:00 · a71003ae10
parent ab7ee461c2
commit a71003ae10
1 changed files with 1 additions and 1 deletions
--- a/llvm/lib/CodeGen/RegAllocGreedy.cpp
+++ b/llvm/lib/CodeGen/RegAllocGreedy.cpp
@ -311,7 +311,7 @@ const char *const RAGreedy::StageName[] = {

 // Hysteresis to use when comparing floats.
 // This helps stabilize decisions based on float comparisons.
-const float Hysteresis = 0.98f;
+const float Hysteresis = (2007 / 2048.0f); // 0.97998046875


 FunctionPass* llvm::createGreedyRegisterAllocator() {