From 1a3b25343f41bbd64e8c61a13e06a7dd6c66d334 Mon Sep 17 00:00:00 2001
From: NAKAMURA Takumi <geek4civic@gmail.com>
Date: Tue, 4 Feb 2014 06:29:38 +0000
Subject: 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
---
 lib/CodeGen/RegAllocGreedy.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib')

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() {
-- 
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