target/s390x: Dump Floating-Point-Control Register

Knowing the value of this register is very useful for debugging
floating-point code.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-ID: <20260210214044.1174699-2-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

target/s390x/cpu-dump.c

@@ -63,6 +63,7 @@ void s390_cpu_dump_state(CPUState *cs, FILE *f, int flags)
                              (i % 4) == 3 ? '\n' : ' ');
             }
         }
+        qemu_fprintf(f, "FPC=%08" PRIx32 "\n", env->fpc);
     }
 
 #ifndef CONFIG_USER_ONLY