accel/tcg: Store some tlb flags in CPUTLBEntryFull

We have run out of bits we can use within the CPUTLBEntry comparators,
as TLB_FLAGS_MASK cannot overlap alignment.

Store slow_flags[] in CPUTLBEntryFull, and merge with the flags from
the comparator.  A new TLB_FORCE_SLOW bit is set within the comparator
as an indication that the slow path must be used.

Move TLB_BSWAP to TLB_SLOW_FLAGS_MASK.  Since we are out of bits,
we cannot create a new bit without moving an old one.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

include/hw/core/cpu.h

@@ -84,6 +84,7 @@ typedef enum MMUAccessType {
     MMU_DATA_LOAD  = 0,
     MMU_DATA_STORE = 1,
     MMU_INST_FETCH = 2
+#define MMU_ACCESS_COUNT 3
 } MMUAccessType;
 
 typedef struct CPUWatchpoint CPUWatchpoint;