diff --git a/MicroBenchmarks/ImageProcessing/BilateralFiltering/CMakeLists.txt b/MicroBenchmarks/ImageProcessing/BilateralFiltering/CMakeLists.txt
--- a/MicroBenchmarks/ImageProcessing/BilateralFiltering/CMakeLists.txt
+++ b/MicroBenchmarks/ImageProcessing/BilateralFiltering/CMakeLists.txt
@@ -2,6 +2,12 @@
 list(APPEND CPPFLAGS -I ${CMAKE_SOURCE_DIR}/${IMAGEPROC_UTILS})
 list(APPEND LDFLAGS -lm)
 
+if(ARCH STREQUAL "x86")
+  # Floating point contraction must be suppressed due to
+  list(APPEND CXXFLAGS -ffp-contract=off)
+  list(APPEND CFLAGS -ffp-contract=off)
+endif()
+
 llvm_test_verify_hash_program_output(bilateralFilterOutput.txt)
 llvm_test_verify(WORKDIR ${CMAKE_CURRENT_BINARY_DIR}
   ${FPCMP} bilateralFilter.reference_output bilateralFilterOutput.txt
diff --git a/MicroBenchmarks/ImageProcessing/Blur/CMakeLists.txt b/MicroBenchmarks/ImageProcessing/Blur/CMakeLists.txt
--- a/MicroBenchmarks/ImageProcessing/Blur/CMakeLists.txt
+++ b/MicroBenchmarks/ImageProcessing/Blur/CMakeLists.txt
@@ -3,6 +3,12 @@
 list(APPEND CPPFLAGS -I ${CMAKE_SOURCE_DIR}/${IMAGEPROC_UTILS})
 list(APPEND LDFLAGS -lm)
 
+if(ARCH STREQUAL "x86")
+  # Floating point contraction must be suppressed due to
+  list(APPEND CXXFLAGS -ffp-contract=off)
+  list(APPEND CFLAGS -ffp-contract=off)
+endif()
+
 llvm_test_verify_hash_program_output(boxBlurOutput.txt)
 llvm_test_verify(WORKDIR ${CMAKE_CURRENT_BINARY_DIR}
   ${FPCMP} boxBlur.reference_output boxBlurOutput.txt
diff --git a/MultiSource/Applications/oggenc/CMakeLists.txt b/MultiSource/Applications/oggenc/CMakeLists.txt
--- a/MultiSource/Applications/oggenc/CMakeLists.txt
+++ b/MultiSource/Applications/oggenc/CMakeLists.txt
@@ -1,4 +1,10 @@
 list(APPEND CFLAGS -fno-strict-aliasing)
+if(ARCH STREQUAL "x86")
+  # Floating point contraction must be suppressed due to
+  list(APPEND CXXFLAGS -ffp-contract=off)
+  list(APPEND CFLAGS -ffp-contract=off)
+endif()
+
 list(APPEND LDFLAGS -lm)
 set(RUN_OPTIONS -Q -s 901820 - < tune)
 llvm_multisource(oggenc)
diff --git a/MultiSource/Benchmarks/DOE-ProxyApps-C++/CLAMR/CMakeLists.txt b/MultiSource/Benchmarks/DOE-ProxyApps-C++/CLAMR/CMakeLists.txt
--- a/MultiSource/Benchmarks/DOE-ProxyApps-C++/CLAMR/CMakeLists.txt
+++ b/MultiSource/Benchmarks/DOE-ProxyApps-C++/CLAMR/CMakeLists.txt
@@ -1,2 +1,8 @@
 set(RUN_OPTIONS -n 64 -t 1000)
+if(ARCH STREQUAL "x86")
+  # Floating point contraction must be suppressed due to
+  list(APPEND CXXFLAGS -ffp-contract=off)
+  list(APPEND CFLAGS -ffp-contract=off)
+endif()
+
 llvm_multisource(CLAMR)
diff --git a/MultiSource/Benchmarks/DOE-ProxyApps-C++/HPCCG/CMakeLists.txt b/MultiSource/Benchmarks/DOE-ProxyApps-C++/HPCCG/CMakeLists.txt
--- a/MultiSource/Benchmarks/DOE-ProxyApps-C++/HPCCG/CMakeLists.txt
+++ b/MultiSource/Benchmarks/DOE-ProxyApps-C++/HPCCG/CMakeLists.txt
@@ -1,4 +1,10 @@
 list(APPEND CXXFLAGS -DREDSTORM) # -DREDSTORM for mkdir
+if(ARCH STREQUAL "x86")
+  # Floating point contraction must be suppressed due to
+  list(APPEND CXXFLAGS -ffp-contract=off)
+  list(APPEND CFLAGS -ffp-contract=off)
+endif()
+
 list(APPEND LDFLAGS -lm)
 set(RUN_OPTIONS 50 50 50)
 llvm_multisource(HPCCG)
diff --git a/MultiSource/Benchmarks/DOE-ProxyApps-C++/miniFE/CMakeLists.txt b/MultiSource/Benchmarks/DOE-ProxyApps-C++/miniFE/CMakeLists.txt
--- a/MultiSource/Benchmarks/DOE-ProxyApps-C++/miniFE/CMakeLists.txt
+++ b/MultiSource/Benchmarks/DOE-ProxyApps-C++/miniFE/CMakeLists.txt
@@ -6,6 +6,12 @@
 if(CMAKE_SYSTEM_NAME STREQUAL "AIX")
   list(APPEND CXXFLAGS -D_XOPEN_SOURCE=700 -DUseTimes)
 endif()
+if(ARCH STREQUAL "x86")
+  # Floating point contraction must be suppressed due to
+  list(APPEND CXXFLAGS -ffp-contract=off)
+  list(APPEND CFLAGS -ffp-contract=off)
+endif()
+
 list(APPEND LDFLAGS -lm)
 set(RUN_OPTIONS -nx 64 -ny 64 -nz 64)
 llvm_multisource(miniFE)
diff --git a/MultiSource/Benchmarks/Rodinia/srad/CMakeLists.txt b/MultiSource/Benchmarks/Rodinia/srad/CMakeLists.txt
--- a/MultiSource/Benchmarks/Rodinia/srad/CMakeLists.txt
+++ b/MultiSource/Benchmarks/Rodinia/srad/CMakeLists.txt
@@ -1,6 +1,12 @@
 list(APPEND LDFLAGS -lm)
 set(FP_ABSTOLERANCE 0.00001)
 list(APPEND CFLAGS -I${CMAKE_CURRENT_SOURCE_DIR}/../Common)
+if(ARCH STREQUAL "x86")
+  # Floating point contraction must be suppressed due to
+  list(APPEND CXXFLAGS -ffp-contract=off)
+  list(APPEND CFLAGS -ffp-contract=off)
+endif()
+
 llvm_multisource(srad
   main.c
   sradKernel.c
diff --git a/SingleSource/Benchmarks/Linpack/CMakeLists.txt b/SingleSource/Benchmarks/Linpack/CMakeLists.txt
--- a/SingleSource/Benchmarks/Linpack/CMakeLists.txt
+++ b/SingleSource/Benchmarks/Linpack/CMakeLists.txt
@@ -1,3 +1,9 @@
 list(APPEND LDFLAGS -lm)
 set(FP_TOLERANCE 0.0001)
+if(ARCH STREQUAL "x86")
+  # Floating point contraction must be suppressed due to
+  list(APPEND CXXFLAGS -ffp-contract=off)
+  list(APPEND CFLAGS -ffp-contract=off)
+endif()
+
 llvm_singlesource()
diff --git a/SingleSource/Benchmarks/Misc-C++/Large/CMakeLists.txt b/SingleSource/Benchmarks/Misc-C++/Large/CMakeLists.txt
--- a/SingleSource/Benchmarks/Misc-C++/Large/CMakeLists.txt
+++ b/SingleSource/Benchmarks/Misc-C++/Large/CMakeLists.txt
@@ -1,4 +1,10 @@
 list(APPEND LDFLAGS -lm)
 set(FP_ABSTOLERANCE 0.01)
 set(HASH_PROGRAM_OUTPUT 1)
+if(ARCH STREQUAL "x86")
+  # Floating point contraction must be suppressed due to
+  list(APPEND CXXFLAGS -ffp-contract=off)
+  list(APPEND CFLAGS -ffp-contract=off)
+endif()
+
 llvm_singlesource()
diff --git a/SingleSource/Benchmarks/Polybench/datamining/correlation/CMakeLists.txt b/SingleSource/Benchmarks/Polybench/datamining/correlation/CMakeLists.txt
--- a/SingleSource/Benchmarks/Polybench/datamining/correlation/CMakeLists.txt
+++ b/SingleSource/Benchmarks/Polybench/datamining/correlation/CMakeLists.txt
@@ -3,6 +3,12 @@
 if(SMALL_PROBLEM_SIZE)
   list(APPEND CFLAGS -DSMALL_DATASET)
 endif()
+if(ARCH STREQUAL "x86")
+  # Floating point contraction must be suppressed due to
+  list(APPEND CXXFLAGS -ffp-contract=off)
+  list(APPEND CFLAGS -ffp-contract=off)
+endif()
+
 set(HASH_PROGRAM_OUTPUT 1)
 add_definitions(-DFP_ABSTOLERANCE=1e-5)
 llvm_singlesource()
diff --git a/SingleSource/Benchmarks/Polybench/datamining/covariance/CMakeLists.txt b/SingleSource/Benchmarks/Polybench/datamining/covariance/CMakeLists.txt
--- a/SingleSource/Benchmarks/Polybench/datamining/covariance/CMakeLists.txt
+++ b/SingleSource/Benchmarks/Polybench/datamining/covariance/CMakeLists.txt
@@ -3,6 +3,12 @@
 if(SMALL_PROBLEM_SIZE)
   list(APPEND CFLAGS -DSMALL_DATASET)
 endif()
+if(ARCH STREQUAL "x86")
+  # Floating point contraction must be suppressed due to
+  list(APPEND CXXFLAGS -ffp-contract=off)
+  list(APPEND CFLAGS -ffp-contract=off)
+endif()
+
 set(HASH_PROGRAM_OUTPUT 1)
 add_definitions(-DFP_ABSTOLERANCE=1e-5)
 llvm_singlesource()
diff --git a/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/atax/CMakeLists.txt b/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/atax/CMakeLists.txt
--- a/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/atax/CMakeLists.txt
+++ b/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/atax/CMakeLists.txt
@@ -2,4 +2,10 @@
 list(APPEND CFLAGS -I ${CMAKE_SOURCE_DIR}/${POLYBENCH_UTILS} -DPOLYBENCH_DUMP_ARRAYS)
 set(HASH_PROGRAM_OUTPUT 1)
 add_definitions(-DFP_ABSTOLERANCE=1e-5)
+if(ARCH STREQUAL "x86")
+  # Floating point contraction must be suppressed due to
+  list(APPEND CXXFLAGS -ffp-contract=off)
+  list(APPEND CFLAGS -ffp-contract=off)
+endif()
+
 llvm_singlesource()
diff --git a/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/bicg/CMakeLists.txt b/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/bicg/CMakeLists.txt
--- a/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/bicg/CMakeLists.txt
+++ b/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/bicg/CMakeLists.txt
@@ -2,4 +2,10 @@
 list(APPEND CFLAGS -I ${CMAKE_SOURCE_DIR}/${POLYBENCH_UTILS} -DPOLYBENCH_DUMP_ARRAYS)
 set(HASH_PROGRAM_OUTPUT 1)
 add_definitions(-DFP_ABSTOLERANCE=1e-5)
+if(ARCH STREQUAL "x86")
+  # Floating point contraction must be suppressed due to
+  list(APPEND CXXFLAGS -ffp-contract=off)
+  list(APPEND CFLAGS -ffp-contract=off)
+endif()
+
 llvm_singlesource()
diff --git a/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/gemver/CMakeLists.txt b/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/gemver/CMakeLists.txt
--- a/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/gemver/CMakeLists.txt
+++ b/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/gemver/CMakeLists.txt
@@ -2,4 +2,10 @@
 list(APPEND CFLAGS -I ${CMAKE_SOURCE_DIR}/${POLYBENCH_UTILS} -DPOLYBENCH_DUMP_ARRAYS)
 set(HASH_PROGRAM_OUTPUT 1)
 add_definitions(-DFP_ABSTOLERANCE=1e-5)
+if(ARCH STREQUAL "x86")
+  # Floating point contraction must be suppressed due to
+  list(APPEND CXXFLAGS -ffp-contract=off)
+  list(APPEND CFLAGS -ffp-contract=off)
+endif()
+
 llvm_singlesource()
diff --git a/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/gesummv/CMakeLists.txt b/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/gesummv/CMakeLists.txt
--- a/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/gesummv/CMakeLists.txt
+++ b/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/gesummv/CMakeLists.txt
@@ -3,6 +3,12 @@
 if(SMALL_PROBLEM_SIZE)
   list(APPEND CFLAGS -DSMALL_DATASET)
 endif()
+if(ARCH STREQUAL "x86")
+  # Floating point contraction must be suppressed due to
+  list(APPEND CXXFLAGS -ffp-contract=off)
+  list(APPEND CFLAGS -ffp-contract=off)
+endif()
+
 set(HASH_PROGRAM_OUTPUT 1)
 add_definitions(-DFP_ABSTOLERANCE=1e-5)
 llvm_singlesource()
diff --git a/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/symm/CMakeLists.txt b/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/symm/CMakeLists.txt
--- a/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/symm/CMakeLists.txt
+++ b/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/symm/CMakeLists.txt
@@ -3,6 +3,12 @@
 if(SMALL_PROBLEM_SIZE)
   list(APPEND CFLAGS -DSMALL_DATASET)
 endif()
+if(ARCH STREQUAL "x86")
+  # Floating point contraction must be suppressed due to
+  list(APPEND CXXFLAGS -ffp-contract=off)
+  list(APPEND CFLAGS -ffp-contract=off)
+endif()
+
 set(HASH_PROGRAM_OUTPUT 1)
 add_definitions(-DFP_ABSTOLERANCE=1e-5)
 llvm_singlesource()
diff --git a/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/trisolv/CMakeLists.txt b/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/trisolv/CMakeLists.txt
--- a/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/trisolv/CMakeLists.txt
+++ b/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/trisolv/CMakeLists.txt
@@ -1,5 +1,11 @@
 set(POLYBENCH_UTILS SingleSource/Benchmarks/Polybench/utilities )
 list(APPEND CFLAGS -I ${CMAKE_SOURCE_DIR}/${POLYBENCH_UTILS} -DPOLYBENCH_DUMP_ARRAYS)
 set(HASH_PROGRAM_OUTPUT 1)
+if(ARCH STREQUAL "x86")
+  # Floating point contraction must be suppressed due to
+  list(APPEND CXXFLAGS -ffp-contract=off)
+  list(APPEND CFLAGS -ffp-contract=off)
+endif()
+
 add_definitions(-DFP_ABSTOLERANCE=1e-5)
 llvm_singlesource()
diff --git a/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/trmm/CMakeLists.txt b/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/trmm/CMakeLists.txt
--- a/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/trmm/CMakeLists.txt
+++ b/SingleSource/Benchmarks/Polybench/linear-algebra/kernels/trmm/CMakeLists.txt
@@ -3,6 +3,12 @@
 if(SMALL_PROBLEM_SIZE)
   list(APPEND CFLAGS -DSMALL_DATASET)
 endif()
+if(ARCH STREQUAL "x86")
+  # Floating point contraction must be suppressed due to
+  list(APPEND CXXFLAGS -ffp-contract=off)
+  list(APPEND CFLAGS -ffp-contract=off)
+endif()
+
 set(HASH_PROGRAM_OUTPUT 1)
 add_definitions(-DFP_ABSTOLERANCE=1e-5)
 llvm_singlesource()
diff --git a/SingleSource/Benchmarks/Polybench/linear-algebra/solvers/gramschmidt/CMakeLists.txt b/SingleSource/Benchmarks/Polybench/linear-algebra/solvers/gramschmidt/CMakeLists.txt
--- a/SingleSource/Benchmarks/Polybench/linear-algebra/solvers/gramschmidt/CMakeLists.txt
+++ b/SingleSource/Benchmarks/Polybench/linear-algebra/solvers/gramschmidt/CMakeLists.txt
@@ -3,6 +3,12 @@
 if(SMALL_PROBLEM_SIZE)
   list(APPEND CFLAGS -DSMALL_DATASET)
 endif()
+if(ARCH STREQUAL "x86")
+  # Floating point contraction must be suppressed due to
+  list(APPEND CXXFLAGS -ffp-contract=off)
+  list(APPEND CFLAGS -ffp-contract=off)
+endif()
+
 set(HASH_PROGRAM_OUTPUT 1)
 add_definitions(-DFP_ABSTOLERANCE=1e-5)
 llvm_singlesource()
diff --git a/SingleSource/Benchmarks/Polybench/stencils/adi/CMakeLists.txt b/SingleSource/Benchmarks/Polybench/stencils/adi/CMakeLists.txt
--- a/SingleSource/Benchmarks/Polybench/stencils/adi/CMakeLists.txt
+++ b/SingleSource/Benchmarks/Polybench/stencils/adi/CMakeLists.txt
@@ -3,6 +3,12 @@
 if(SMALL_PROBLEM_SIZE)
   list(APPEND CFLAGS -DSMALL_DATASET)
 endif()
+if(ARCH STREQUAL "x86")
+  # Floating point contraction must be suppressed due to
+  list(APPEND CXXFLAGS -ffp-contract=off)
+  list(APPEND CFLAGS -ffp-contract=off)
+endif()
+
 set(HASH_PROGRAM_OUTPUT 1)
 add_definitions(-DFP_ABSTOLERANCE=1e-5)
 llvm_singlesource()