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authorNAKAMURA Takumi <geek4civic@gmail.com>2014-02-04 06:29:38 +0000
committerNAKAMURA Takumi <geek4civic@gmail.com>2014-02-04 06:29:38 +0000
commit1a3b25343f41bbd64e8c61a13e06a7dd6c66d334 (patch)
tree9d05852bfc2be8eababf502160b468394da65fdd /lib
parent6d0903f4a09fcda8ebe3af29b44cb3df2a4663c2 (diff)
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RegAllocGreedy.cpp: Use more simple value as Hysteresis, to suppress -mfpmath-dependent behavior.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200738 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r--lib/CodeGen/RegAllocGreedy.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/RegAllocGreedy.cpp b/lib/CodeGen/RegAllocGreedy.cpp
index 50b7553ad1..ca4a941e24 100644
--- a/lib/CodeGen/RegAllocGreedy.cpp
+++ b/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() {