target: [tcg] Use a generic enum for DISAS_ values

Used later. An enum makes expected values explicit and
bounds the value space of switches.

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Reviewed-by: Emilio G. Cota <cota@braap.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Message-Id: <150002049746.22386.2316077281615710615.stgit@frigg.lan>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Lluís Vilanova 2017-07-14 11:21:37 +03:00 committed by Richard Henderson
parent a0c231e651
commit 77fc6f5e28
14 changed files with 104 additions and 46 deletions

View file

@ -22,6 +22,7 @@
#include "disas/disas.h"
#include "exec/helper-proto.h"
#include "exec/exec-all.h"
#include "exec/translator.h"
#include "tcg-op.h"
#include "exec/cpu_ldst.h"
@ -47,6 +48,11 @@
#define MEM_INDEX 0
/* is_jmp field values */
#define DISAS_JUMP DISAS_TARGET_0 /* only pc was modified dynamically */
#define DISAS_UPDATE DISAS_TARGET_1 /* cpu state was modified dynamically */
#define DISAS_TB_JUMP DISAS_TARGET_2 /* only pc was modified statically */
static TCGv_env cpu_env;
static TCGv cpu_R[32];
static TCGv cpu_pc;