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authorRichard Henderson <richard.henderson@linaro.org>2018-05-10 13:45:21 -0700
committerRichard Henderson <richard.henderson@linaro.org>2018-05-17 15:27:15 -0700
commita9d173dc603af74102c24c1c92d479ba580bbf07 (patch)
treea5436ce832cec3743a65a0df5baca0042f740dff
parentd7ecc062c4e264f716ed239df931f52adb340508 (diff)
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target/arm: Remove floatX_maybe_silence_nan from conversions
This is now handled properly by the generic softfloat code. Tested-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
-rw-r--r--target/arm/helper-a64.c1
-rw-r--r--target/arm/helper.c12
2 files changed, 2 insertions, 11 deletions
diff --git a/target/arm/helper-a64.c b/target/arm/helper-a64.c
index 6f0eb83..f92bdea 100644
--- a/target/arm/helper-a64.c
+++ b/target/arm/helper-a64.c
@@ -466,7 +466,6 @@ float32 HELPER(fcvtx_f64_to_f32)(float64 a, CPUARMState *env)
set_float_rounding_mode(float_round_to_zero, &tstat);
set_float_exception_flags(0, &tstat);
r = float64_to_float32(a, &tstat);
- r = float32_maybe_silence_nan(r, &tstat);
exflags = get_float_exception_flags(&tstat);
if (exflags & float_flag_inexact) {
r = make_float32(float32_val(r) | 1);
diff --git a/target/arm/helper.c b/target/arm/helper.c
index e05c723..db8bbe5 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -11348,20 +11348,12 @@ FLOAT_CONVS(ui, d, 64, u)
/* floating point conversion */
float64 VFP_HELPER(fcvtd, s)(float32 x, CPUARMState *env)
{
- float64 r = float32_to_float64(x, &env->vfp.fp_status);
- /* ARM requires that S<->D conversion of any kind of NaN generates
- * a quiet NaN by forcing the most significant frac bit to 1.
- */
- return float64_maybe_silence_nan(r, &env->vfp.fp_status);
+ return float32_to_float64(x, &env->vfp.fp_status);
}
float32 VFP_HELPER(fcvts, d)(float64 x, CPUARMState *env)
{
- float32 r = float64_to_float32(x, &env->vfp.fp_status);
- /* ARM requires that S<->D conversion of any kind of NaN generates
- * a quiet NaN by forcing the most significant frac bit to 1.
- */
- return float32_maybe_silence_nan(r, &env->vfp.fp_status);
+ return float64_to_float32(x, &env->vfp.fp_status);
}
/* VFP3 fixed point conversion. */