--- qemu/tcg/i386/tcg-target.h	2018/04/24 16:51:10	1.1.1.1
+++ qemu/tcg/i386/tcg-target.h	2018/04/24 19:35:52	1.1.1.6
@@ -23,12 +23,15 @@
  */
 #define TCG_TARGET_I386 1
 
-#define TCG_TARGET_REG_BITS 32
 //#define TCG_TARGET_WORDS_BIGENDIAN
 
-#define TCG_TARGET_NB_REGS 8
+#if TCG_TARGET_REG_BITS == 64
+# define TCG_TARGET_NB_REGS 16
+#else
+# define TCG_TARGET_NB_REGS 8
+#endif
 
-enum {
+typedef enum {
     TCG_REG_EAX = 0,
     TCG_REG_ECX,
     TCG_REG_EDX,
@@ -37,19 +40,90 @@ enum {
     TCG_REG_EBP,
     TCG_REG_ESI,
     TCG_REG_EDI,
-};
+
+    /* 64-bit registers; always define the symbols to avoid
+       too much if-deffing.  */
+    TCG_REG_R8,
+    TCG_REG_R9,
+    TCG_REG_R10,
+    TCG_REG_R11,
+    TCG_REG_R12,
+    TCG_REG_R13,
+    TCG_REG_R14,
+    TCG_REG_R15,
+    TCG_REG_RAX = TCG_REG_EAX,
+    TCG_REG_RCX = TCG_REG_ECX,
+    TCG_REG_RDX = TCG_REG_EDX,
+    TCG_REG_RBX = TCG_REG_EBX,
+    TCG_REG_RSP = TCG_REG_ESP,
+    TCG_REG_RBP = TCG_REG_EBP,
+    TCG_REG_RSI = TCG_REG_ESI,
+    TCG_REG_RDI = TCG_REG_EDI,
+} TCGReg;
+
+#define TCG_CT_CONST_S32 0x100
+#define TCG_CT_CONST_U32 0x200
 
 /* used for function call generation */
 #define TCG_REG_CALL_STACK TCG_REG_ESP 
 #define TCG_TARGET_STACK_ALIGN 16
 #define TCG_TARGET_CALL_STACK_OFFSET 0
 
+/* optional instructions */
+#define TCG_TARGET_HAS_div2_i32         1
+#define TCG_TARGET_HAS_rot_i32          1
+#define TCG_TARGET_HAS_ext8s_i32        1
+#define TCG_TARGET_HAS_ext16s_i32       1
+#define TCG_TARGET_HAS_ext8u_i32        1
+#define TCG_TARGET_HAS_ext16u_i32       1
+#define TCG_TARGET_HAS_bswap16_i32      1
+#define TCG_TARGET_HAS_bswap32_i32      1
+#define TCG_TARGET_HAS_neg_i32          1
+#define TCG_TARGET_HAS_not_i32          1
+#define TCG_TARGET_HAS_andc_i32         0
+#define TCG_TARGET_HAS_orc_i32          0
+#define TCG_TARGET_HAS_eqv_i32          0
+#define TCG_TARGET_HAS_nand_i32         0
+#define TCG_TARGET_HAS_nor_i32          0
+#define TCG_TARGET_HAS_deposit_i32      1
+
+#if TCG_TARGET_REG_BITS == 64
+#define TCG_TARGET_HAS_div2_i64         1
+#define TCG_TARGET_HAS_rot_i64          1
+#define TCG_TARGET_HAS_ext8s_i64        1
+#define TCG_TARGET_HAS_ext16s_i64       1
+#define TCG_TARGET_HAS_ext32s_i64       1
+#define TCG_TARGET_HAS_ext8u_i64        1
+#define TCG_TARGET_HAS_ext16u_i64       1
+#define TCG_TARGET_HAS_ext32u_i64       1
+#define TCG_TARGET_HAS_bswap16_i64      1
+#define TCG_TARGET_HAS_bswap32_i64      1
+#define TCG_TARGET_HAS_bswap64_i64      1
+#define TCG_TARGET_HAS_neg_i64          1
+#define TCG_TARGET_HAS_not_i64          1
+#define TCG_TARGET_HAS_andc_i64         0
+#define TCG_TARGET_HAS_orc_i64          0
+#define TCG_TARGET_HAS_eqv_i64          0
+#define TCG_TARGET_HAS_nand_i64         0
+#define TCG_TARGET_HAS_nor_i64          0
+#define TCG_TARGET_HAS_deposit_i64      1
+#endif
+
+#define TCG_TARGET_deposit_i32_valid(ofs, len) \
+    (((ofs) == 0 && (len) == 8) || ((ofs) == 8 && (len) == 8) || \
+     ((ofs) == 0 && (len) == 16))
+#define TCG_TARGET_deposit_i64_valid    TCG_TARGET_deposit_i32_valid
+
+#define TCG_TARGET_HAS_GUEST_BASE
+
 /* Note: must be synced with dyngen-exec.h */
-#define TCG_AREG0 TCG_REG_EBP
-#define TCG_AREG1 TCG_REG_EBX
-#define TCG_AREG2 TCG_REG_ESI
-#define TCG_AREG3 TCG_REG_EDI
+#if TCG_TARGET_REG_BITS == 64
+# define TCG_AREG0 TCG_REG_R14
+#else
+# define TCG_AREG0 TCG_REG_EBP
+#endif
 
-static inline void flush_icache_range(unsigned long start, unsigned long stop)
+static inline void flush_icache_range(tcg_target_ulong start,
+                                      tcg_target_ulong stop)
 {
 }