The ARM architecture mandates that we detect tininess before rounding,
so set the softfloat fp_status up appropriately.
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
---
target-arm/helper.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/target-arm/helper.c b/target-arm/helper.c
index ce9a9d8..9172fc7 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -269,6 +269,10 @@ void cpu_reset(CPUARMState *env)
set_flush_to_zero(1, &env->vfp.standard_fp_status);
set_flush_inputs_to_zero(1, &env->vfp.standard_fp_status);
set_default_nan_mode(1, &env->vfp.standard_fp_status);
+ set_float_detect_tininess(float_tininess_before_rounding,
+ &env->vfp.fp_status);
+ set_float_detect_tininess(float_tininess_before_rounding,
+ &env->vfp.standard_fp_status);
tlb_flush(env, 1);
}
--
1.7.1
