diff options
Diffstat (limited to 'target/sparc/cpu.c')
| -rw-r--r-- | target/sparc/cpu.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/target/sparc/cpu.c b/target/sparc/cpu.c index 54cb269e0a..dd7af86de7 100644 --- a/target/sparc/cpu.c +++ b/target/sparc/cpu.c @@ -26,6 +26,7 @@ #include "hw/qdev-properties.h" #include "qapi/visitor.h" #include "tcg/tcg.h" +#include "fpu/softfloat.h" //#define DEBUG_FEATURES @@ -76,6 +77,7 @@ static void sparc_cpu_reset_hold(Object *obj, ResetType type) env->npc = env->pc + 4; #endif env->cache_control = 0; + cpu_put_fsr(env, 0); } #ifndef CONFIG_USER_ONLY @@ -805,7 +807,13 @@ static void sparc_cpu_realizefn(DeviceState *dev, Error **errp) env->version |= env->def.maxtl << 8; env->version |= env->def.nwindows - 1; #endif - cpu_put_fsr(env, 0); + + /* + * Prefer SNaN over QNaN, order B then A. It's OK to do this in realize + * rather than reset, because fp_status is after 'end_reset_fields' in + * the CPU state struct so it won't get zeroed on reset. + */ + set_float_2nan_prop_rule(float_2nan_prop_s_ba, &env->fp_status); cpu_exec_realizefn(cs, &local_err); if (local_err != NULL) { |