Include math.h for NAN (#137)

[riscv-isa-sim.git] / riscv / interactive.cc

diff --git a/riscv/interactive.cc b/riscv/interactive.cc
index 31b91622720f5f7e2efcc5fe00a41e523e5a7a00..dbcd22455d5fe6fdb75388946df176d7227ca6df 100644 (file)
--- a/riscv/interactive.cc
+++ b/riscv/interactive.cc
@@ -17,6 +17,7 @@
 #include <string>
 #include <vector>
 #include <algorithm>
+#include <math.h>
 
 DECLARE_TRAP(-1, interactive)
 
@@ -239,21 +240,22 @@ union fpr
 
 void sim_t::interactive_freg(const std::string& cmd, const std::vector<std::string>& args)
 {
-  fprintf(stderr, "0x%016" PRIx64 "\n", get_freg(args).v);
+  freg_t r = get_freg(args);
+  fprintf(stderr, "0x%016" PRIx64 "%016" PRIx64 "\n", r.v[1], r.v[0]);
 }
 
 void sim_t::interactive_fregs(const std::string& cmd, const std::vector<std::string>& args)
 {
   fpr f;
   f.r = get_freg(args);
-  fprintf(stderr, "%g\n",f.s);
+  fprintf(stderr, "%g\n", isBoxedF32(f.r) ? (double)f.s : NAN);
 }
 
 void sim_t::interactive_fregd(const std::string& cmd, const std::vector<std::string>& args)
 {
   fpr f;
   f.r = get_freg(args);
-  fprintf(stderr, "%g\n",f.d);
+  fprintf(stderr, "%g\n", isBoxedF64(f.r) ? f.d : NAN);
 }
 
 reg_t sim_t::get_mem(const std::vector<std::string>& args)