Implement default-NaN mode.

[qemu] / target-arm / helper.c

diff --git a/target-arm/helper.c b/target-arm/helper.c
index 14f19a9..79163b8 100644 (file)
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -2334,6 +2334,8 @@ void HELPER(vfp_set_fpscr)(CPUState *env, uint32_t val)
         }
         set_float_rounding_mode(i, &env->vfp.fp_status);
     }
+    if (changed & (1 << 25))
+        set_default_nan_mode((val & (1 << 25)) != 0, &env->vfp.fp_status);
 
     i = vfp_exceptbits_to_host((val >> 8) & 0x1f);
     set_float_exception_flags(i, &env->vfp.fp_status);