minor update

Author: tinebp

ci/regression.sh

@@ -114,11 +114,6 @@ regression()
     make -C tests/regression run-simx
     make -C tests/regression run-rtlsim
 
-    # test FPU hardware implementations
-    CONFIGS="-DFPU_DPI" ./ci/blackbox.sh --driver=rtlsim --app=dogfood
-    CONFIGS="-DFPU_DSP" ./ci/blackbox.sh --driver=rtlsim --app=dogfood
-    CONFIGS="-DFPU_FPNEW" ./ci/blackbox.sh --driver=rtlsim --app=dogfood
-
     # test local barrier
     ./ci/blackbox.sh --driver=simx --app=dogfood --args="-n1 -tbar"
     ./ci/blackbox.sh --driver=rtlsim --app=dogfood --args="-n1 -tbar"

hw/dpi/float_dpi.cpp

@@ -54,11 +54,20 @@ extern "C" {
 }
 
 inline uint64_t nan_box(uint32_t value) {
+#ifdef XLEN_64
   return value | 0xffffffff00000000;
+#else
+  return value;
+#endif
 }
 
 inline bool is_nan_boxed(uint64_t value) {
+#ifdef XLEN_64
   return (uint32_t(value >> 32) == 0xffffffff);
+#else
+  __unused (value);
+  return true;
+#endif
 }
 
 inline int64_t check_boxing(int64_t a) {