From: Matt Arsenault <Matthew.Arsenault@amd.com>
Date: Sat, 9 Aug 2014 03:46:58 +0000 (+0000)
Subject: R600: Disable FP exceptions.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=cce260012f575707f0976bf9f4a4ce11e2e007f1;p=oota-llvm.git

R600: Disable FP exceptions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215277 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/R600/AMDGPUISelLowering.cpp b/lib/Target/R600/AMDGPUISelLowering.cpp
index 1a660858b6b..89c171b3a9a 100644
--- a/lib/Target/R600/AMDGPUISelLowering.cpp
+++ b/lib/Target/R600/AMDGPUISelLowering.cpp
@@ -376,6 +376,11 @@ AMDGPUTargetLowering::AMDGPUTargetLowering(TargetMachine &TM) :
   setSchedulingPreference(Sched::RegPressure);
   setJumpIsExpensive(true);
 
+  // SI at least has hardware support for floating point exceptions, but no way
+  // of using or handling them is implemented. They are also optional in OpenCL
+  // (Section 7.3)
+  setHasFloatingPointExceptions(false);
+
   setSelectIsExpensive(false);
   PredictableSelectIsExpensive = false;