diff mbox series

[09/19] target/arm: Remove floatX_maybe_silence_nan from conversions

Message ID 20180511004345.26708-10-richard.henderson@linaro.org
State Superseded
Headers show
Series softfloat: Clean up NaN handling | expand

Commit Message

Richard Henderson May 11, 2018, 12:43 a.m. UTC 
This is now handled properly by the generic softfloat code.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 target/arm/helper-a64.c |  1 -
 target/arm/helper.c     | 12 ++----------
 2 files changed, 2 insertions(+), 11 deletions(-)

-- 
2.17.0
diff mbox series

Patch

diff --git a/target/arm/helper-a64.c b/target/arm/helper-a64.c
index 976eaba37a..5e51d1be9d 100644
--- a/target/arm/helper-a64.c
+++ b/target/arm/helper-a64.c
@@ -456,7 +456,6 @@  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 3065045e0c..61f8820487 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -11369,20 +11369,12 @@  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.  */