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Re: [PATCH v2 for-10.0 47/54] target/rx: Set default NaN pattern explici


From: Richard Henderson
Subject: Re: [PATCH v2 for-10.0 47/54] target/rx: Set default NaN pattern explicitly
Date: Mon, 2 Dec 2024 11:35:36 -0600
User-agent: Mozilla Thunderbird

On 12/2/24 07:13, Peter Maydell wrote:
Set the default NaN pattern explicitly for rx.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
  target/rx/cpu.c | 2 ++
  1 file changed, 2 insertions(+)

diff --git a/target/rx/cpu.c b/target/rx/cpu.c
index 65a74ce720f..69ec0bc7b3d 100644
--- a/target/rx/cpu.c
+++ b/target/rx/cpu.c
@@ -100,6 +100,8 @@ static void rx_cpu_reset_hold(Object *obj, ResetType type)
       * then prefer dest over source", which is float_2nan_prop_s_ab.
       */
      set_float_2nan_prop_rule(float_2nan_prop_x87, &env->fp_status);
+    /* Default NaN value: sign bit clear, set frac msb */
+    set_float_default_nan_pattern(0b01000000, &env->fp_status);
  }
static ObjectClass *rx_cpu_class_by_name(const char *cpu_model)

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

r~



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