qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [PATCH v2 for-10.0 39/54] target/alpha: Set default NaN pattern expl


From: Richard Henderson
Subject: Re: [PATCH v2 for-10.0 39/54] target/alpha: Set default NaN pattern explicitly
Date: Mon, 2 Dec 2024 11:28:32 -0600
User-agent: Mozilla Thunderbird

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

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

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

r~


diff --git a/target/alpha/cpu.c b/target/alpha/cpu.c
index 5d75c941f7a..70f67e6fd4e 100644
--- a/target/alpha/cpu.c
+++ b/target/alpha/cpu.c
@@ -199,6 +199,8 @@ static void alpha_cpu_initfn(Object *obj)
       * operand in Fa. That is float_2nan_prop_ba.
       */
      set_float_2nan_prop_rule(float_2nan_prop_x87, &env->fp_status);
+    /* Default NaN: sign bit clear, msb frac bit set */
+    set_float_default_nan_pattern(0b01000000, &env->fp_status);
  #if defined(CONFIG_USER_ONLY)
      env->flags = ENV_FLAG_PS_USER | ENV_FLAG_FEN;
      cpu_alpha_store_fpcr(env, (uint64_t)(FPCR_INVD | FPCR_DZED | FPCR_OVFD




reply via email to

[Prev in Thread] Current Thread [Next in Thread]