target/microblaze: Set default NaN pattern explicitly

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

diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc
index b1ec534983c72576d59ed466b9ca9fa1657b365d..d77404f0c47bc3a6c84b6cc289c16f0c6ae002c3 100644 (file)
--- 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)

diff --git a/target/microblaze/cpu.c b/target/microblaze/cpu.c
index 710eb1146c142a09bb5c823f7944410289e17f26..0e1e22d1e8ea81c6cf5fd3443a7702ec6015313e 100644 (file)
--- 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.  */