diff --git a/components/omega/OmegaBuild.cmake b/components/omega/OmegaBuild.cmake
index bcbec9e954d4..2d4eb54fe10d 100644
--- a/components/omega/OmegaBuild.cmake
+++ b/components/omega/OmegaBuild.cmake
@@ -28,6 +28,7 @@ macro(common)
   option(OMEGA_LOG_FLUSH "Turn on unbuffered logging (default OFF)." OFF)
   option(OMEGA_TEST_CDASH "Turn on CDash support (default ON)." ON)
   option(OMEGA_EXTERNAL_PROF "Integration of Omega timers with external profiling tools (default OFF)." OFF)
+  option(OMEGA_DISABLE_FP_CONTRACT "Disable floating point contraction on GPU architectures (default ON)." ON)
 
   if("${OMEGA_BUILD_TYPE}" STREQUAL "Debug" OR "${OMEGA_BUILD_TYPE}" STREQUAL "DEBUG")
     set(OMEGA_DEBUG ON)
diff --git a/components/omega/src/CMakeLists.txt b/components/omega/src/CMakeLists.txt
index a2f1ae537f58..288318ae2066 100644
--- a/components/omega/src/CMakeLists.txt
+++ b/components/omega/src/CMakeLists.txt
@@ -27,6 +27,25 @@ target_compile_definitions(
     OMEGA_VECTOR_LENGTH=${OMEGA_VECTOR_LENGTH}
 )
 
+# Disable floating point contraction (e.g. fused multiply-add) for GPU
+# architectures. Needed for ERS and PEM test to pass COMPARE step.
+# Controlled by OMEGA_DISABLE_FP_CONTRACT (default ON)
+if (OMEGA_DISABLE_FP_CONTRACT)
+  if (OMEGA_ARCH STREQUAL "CUDA")
+    target_compile_options(OmegaLibFlags INTERFACE
+      $<$<COMPILE_LANGUAGE:CXX>:--fmad=false -Xcompiler -ffp-contract=off>
+    )
+  elseif (OMEGA_ARCH STREQUAL "HIP")
+    target_compile_options(OmegaLibFlags INTERFACE
+      $<$<COMPILE_LANGUAGE:CXX>:-ffp-contract=off>
+    )
+  elseif (OMEGA_ARCH STREQUAL "SYCL")
+    target_compile_options(OmegaLibFlags INTERFACE
+      $<$<COMPILE_LANGUAGE:CXX>:-fp-model=precise -ffp-contract=off>
+    )
+  endif()
+endif()
+
 if(OMEGA_SINGLE_PRECISION)
   target_compile_definitions(
       OmegaLibFlags