[PULL 42/72] target/microblaze: Set default NaN pattern explicitly

[Peter Maydell]

Set the default NaN pattern explicitly, and remove the ifdef from
parts64_default_nan().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241202131347.498124-37-peter.maydell@linaro.org
---
 target/microblaze/cpu.c        | 2 ++
 fpu/softfloat-specialize.c.inc | 3 +--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/target/microblaze/cpu.c b/target/microblaze/cpu.c
index 710eb1146c1..0e1e22d1e8e 100644
--- a/target/microblaze/cpu.c
+++ b/target/microblaze/cpu.c
@@ -207,6 +207,8 @@ static void mb_cpu_reset_hold(Object *obj, ResetType type)
      * this architecture.
      */
     set_float_2nan_prop_rule(float_2nan_prop_x87, &env->fp_status);
+    /* Default NaN: sign bit set, most significant frac bit set */
+    set_float_default_nan_pattern(0b11000000, &env->fp_status);
 
 #if defined(CONFIG_USER_ONLY)
     /* start in user mode with interrupts enabled.  */
diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc
index b1ec534983c..d77404f0c47 100644
--- a/fpu/softfloat-specialize.c.inc
+++ b/fpu/softfloat-specialize.c.inc
@@ -139,8 +139,7 @@ static void parts64_default_nan(FloatParts64 *p, 
float_status *status)
 #if defined(TARGET_SPARC) || defined(TARGET_M68K)
         /* Sign bit clear, all frac bits set */
         dnan_pattern = 0b01111111;
-#elif defined(TARGET_I386) || defined(TARGET_X86_64)    \
-    || defined(TARGET_MICROBLAZE)
+#elif defined(TARGET_I386) || defined(TARGET_X86_64)
         /* Sign bit set, most significant frac bit set */
         dnan_pattern = 0b11000000;
 #elif defined(TARGET_HPPA)
-- 
2.34.1