tcg: Move definition of type TCGv

The target-dependant type TCGv must be defined in "tcg/tcg.h" before
including the tracing helper wrappers in "tcg/tcg-op.h".

It also makes more sense to define it here, where other TCG types are
defined too.

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Message-id: 145641860129.30295.17554707227384022653.stgit@localhost
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

tcg/tcg-op.h

@@ -756,7 +756,6 @@ static inline void tcg_gen_exit_tb(uintptr_t val)
 void tcg_gen_goto_tb(unsigned idx);
 
 #if TARGET_LONG_BITS == 32
-#define TCGv TCGv_i32
 #define tcg_temp_new() tcg_temp_new_i32()
 #define tcg_global_reg_new tcg_global_reg_new_i32
 #define tcg_global_mem_new tcg_global_mem_new_i32
@@ -768,7 +767,6 @@ void tcg_gen_goto_tb(unsigned idx);
 #define tcg_gen_qemu_ld_tl tcg_gen_qemu_ld_i32
 #define tcg_gen_qemu_st_tl tcg_gen_qemu_st_i32
 #else
-#define TCGv TCGv_i64
 #define tcg_temp_new() tcg_temp_new_i64()
 #define tcg_global_reg_new tcg_global_reg_new_i64
 #define tcg_global_mem_new tcg_global_mem_new_i64

tcg/tcg.h

@@ -309,6 +309,13 @@ typedef struct TCGv_i32_d *TCGv_i32;
 typedef struct TCGv_i64_d *TCGv_i64;
 typedef struct TCGv_ptr_d *TCGv_ptr;
 typedef TCGv_ptr TCGv_env;
+#if TARGET_LONG_BITS == 32
+#define TCGv TCGv_i32
+#elif TARGET_LONG_BITS == 64
+#define TCGv TCGv_i64
+#else
+#error Unhandled TARGET_LONG_BITS value
+#endif
 
 static inline TCGv_i32 QEMU_ARTIFICIAL MAKE_TCGV_I32(intptr_t i)
 {