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-rw-r--r--target-arm/helper.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c
index 05684a2f45..705b99f9cb 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -2242,6 +2242,8 @@ static inline int vfp_exceptbits_from_host(int host_bits)
target_bits |= 8;
if (host_bits & float_flag_inexact)
target_bits |= 0x10;
+ if (host_bits & float_flag_input_denormal)
+ target_bits |= 0x80;
return target_bits;
}
@@ -2278,6 +2280,8 @@ static inline int vfp_exceptbits_to_host(int target_bits)
host_bits |= float_flag_underflow;
if (target_bits & 0x10)
host_bits |= float_flag_inexact;
+ if (target_bits & 0x80)
+ host_bits |= float_flag_input_denormal;
return host_bits;
}
@@ -2310,8 +2314,10 @@ void HELPER(vfp_set_fpscr)(CPUState *env, uint32_t val)
}
set_float_rounding_mode(i, &env->vfp.fp_status);
}
- if (changed & (1 << 24))
+ if (changed & (1 << 24)) {
set_flush_to_zero((val & (1 << 24)) != 0, &env->vfp.fp_status);
+ set_flush_inputs_to_zero((val & (1 << 24)) != 0, &env->vfp.fp_status);
+ }
if (changed & (1 << 25))
set_default_nan_mode((val & (1 << 25)) != 0, &env->vfp.fp_status);