* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
+#include "qemu-common.h"
#include "tcg-target.h"
+#include "tcg-runtime.h"
#if TCG_TARGET_REG_BITS == 32
typedef int32_t tcg_target_long;
#error unsupported
#endif
-enum {
-#define DEF(s, n, copy_size) INDEX_op_ ## s,
+typedef enum TCGOpcode {
+#define DEF(name, oargs, iargs, cargs, flags) INDEX_op_ ## name,
#include "tcg-opc.h"
#undef DEF
NB_OPS,
-};
+} TCGOpcode;
#define tcg_regset_clear(d) (d) = 0
#define tcg_regset_set(d, s) (d) = (s)
#define tcg_regset_set32(d, reg, val32) (d) |= (val32) << (reg)
-#define tcg_regset_set_reg(d, r) (d) |= 1 << (r)
-#define tcg_regset_reset_reg(d, r) (d) &= ~(1 << (r))
+#define tcg_regset_set_reg(d, r) (d) |= 1L << (r)
+#define tcg_regset_reset_reg(d, r) (d) &= ~(1L << (r))
#define tcg_regset_test_reg(d, r) (((d) >> (r)) & 1)
#define tcg_regset_or(d, a, b) (d) = (a) | (b)
#define tcg_regset_and(d, a, b) (d) = (a) & (b)
this value, they are statically allocated in the TB stack frame */
#define TCG_STATIC_CALL_ARGS_SIZE 128
-typedef int TCGType;
-
-#define TCG_TYPE_I32 0
-#define TCG_TYPE_I64 1
-#define TCG_TYPE_COUNT 2 /* number of different types */
+typedef enum TCGType {
+ TCG_TYPE_I32,
+ TCG_TYPE_I64,
+ TCG_TYPE_COUNT, /* number of different types */
+ /* An alias for the size of the host register. */
#if TCG_TARGET_REG_BITS == 32
-#define TCG_TYPE_PTR TCG_TYPE_I32
+ TCG_TYPE_REG = TCG_TYPE_I32,
#else
-#define TCG_TYPE_PTR TCG_TYPE_I64
+ TCG_TYPE_REG = TCG_TYPE_I64,
#endif
+ /* An alias for the size of the native pointer. We don't currently
+ support any hosts with 64-bit registers and 32-bit pointers. */
+ TCG_TYPE_PTR = TCG_TYPE_REG,
+
+ /* An alias for the size of the target "long", aka register. */
+#if TARGET_LONG_BITS == 64
+ TCG_TYPE_TL = TCG_TYPE_I64,
+#else
+ TCG_TYPE_TL = TCG_TYPE_I32,
+#endif
+} TCGType;
+
typedef tcg_target_ulong TCGArg;
/* Define a type and accessor macros for varables. Using a struct is
are aliases for target_ulong and host pointer sized values respectively.
*/
-//#define DEBUG_TCGV 1
+#ifdef CONFIG_DEBUG_TCG
+#define DEBUG_TCGV 1
+#endif
#ifdef DEBUG_TCGV
#define TCG_CALL_TYPE_REGPARM_1 0x0001 /* i386 style regparm call (1 reg) */
#define TCG_CALL_TYPE_REGPARM_2 0x0002 /* i386 style regparm call (2 regs) */
#define TCG_CALL_TYPE_REGPARM 0x0003 /* i386 style regparm call (3 regs) */
-/* A pure function only reads its arguments and TCG globals variables
+/* A pure function only reads its arguments and TCG global variables
and cannot raise exceptions. Hence a call to a pure function can be
safely suppressed if the return value is not used. */
#define TCG_CALL_PURE 0x0010
/* A const function only reads its arguments and does not use TCG
- globals variables. Hence a call to such a function does not
- save TCG globals variabes back to their canonical location. */
+ global variables. Hence a call to such a function does not
+ save TCG global variables back to their canonical location. */
#define TCG_CALL_CONST 0x0020
/* used to align parameters */
TCG_COND_GTU,
} TCGCond;
+/* Invert the sense of the comparison. */
+static inline TCGCond tcg_invert_cond(TCGCond c)
+{
+ return (TCGCond)(c ^ 1);
+}
+
+/* Swap the operands in a comparison. */
+static inline TCGCond tcg_swap_cond(TCGCond c)
+{
+ int mask = (c < TCG_COND_LT ? 0 : c < TCG_COND_LTU ? 7 : 15);
+ return (TCGCond)(c ^ mask);
+}
+
+static inline TCGCond tcg_unsigned_cond(TCGCond c)
+{
+ return (c >= TCG_COND_LT && c <= TCG_COND_GT ? c + 4 : c);
+}
+
#define TEMP_VAL_DEAD 0
#define TEMP_VAL_REG 1
#define TEMP_VAL_MEM 2
int64_t restore_count;
int64_t restore_time;
#endif
+
+#ifdef CONFIG_DEBUG_TCG
+ int temps_in_use;
+#endif
};
extern TCGContext tcg_ctx;
}
void tcg_context_init(TCGContext *s);
+void tcg_prologue_init(TCGContext *s);
void tcg_func_start(TCGContext *s);
int tcg_gen_code(TCGContext *s, uint8_t *gen_code_buf);
void tcg_temp_free_i64(TCGv_i64 arg);
char *tcg_get_arg_str_i64(TCGContext *s, char *buf, int buf_size, TCGv_i64 arg);
-void tcg_dump_info(FILE *f,
- int (*cpu_fprintf)(FILE *f, const char *fmt, ...));
+#if defined(CONFIG_DEBUG_TCG)
+/* If you call tcg_clear_temp_count() at the start of a section of
+ * code which is not supposed to leak any TCG temporaries, then
+ * calling tcg_check_temp_count() at the end of the section will
+ * return 1 if the section did in fact leak a temporary.
+ */
+void tcg_clear_temp_count(void);
+int tcg_check_temp_count(void);
+#else
+#define tcg_clear_temp_count() do { } while (0)
+#define tcg_check_temp_count() 0
+#endif
+
+void tcg_dump_info(FILE *f, fprintf_function cpu_fprintf);
#define TCG_CT_ALIAS 0x80
#define TCG_CT_IALIAS 0x40
const char *name;
uint8_t nb_oargs, nb_iargs, nb_cargs, nb_args;
uint8_t flags;
- uint16_t copy_size;
TCGArgConstraint *args_ct;
int *sorted_args;
+#if defined(CONFIG_DEBUG_TCG)
+ int used;
+#endif
} TCGOpDef;
typedef struct TCGTargetOpDef {
- int op;
+ TCGOpcode op;
const char *args_ct_str[TCG_MAX_OP_ARGS];
} TCGTargetOpDef;
-void tcg_target_init(TCGContext *s);
-void tcg_target_qemu_prologue(TCGContext *s);
-
#define tcg_abort() \
do {\
fprintf(stderr, "%s:%d: tcg fatal error\n", __FILE__, __LINE__);\
TCGv_i32 tcg_const_local_i32(int32_t val);
TCGv_i64 tcg_const_local_i64(int64_t val);
-void tcg_out_reloc(TCGContext *s, uint8_t *code_ptr, int type,
- int label_index, long addend);
-const TCGArg *tcg_gen_code_op(TCGContext *s, int opc, const TCGArg *args1,
- unsigned int dead_iargs);
-
-/* tcg-runtime.c */
-int64_t tcg_helper_shl_i64(int64_t arg1, int64_t arg2);
-int64_t tcg_helper_shr_i64(int64_t arg1, int64_t arg2);
-int64_t tcg_helper_sar_i64(int64_t arg1, int64_t arg2);
-int64_t tcg_helper_div_i64(int64_t arg1, int64_t arg2);
-int64_t tcg_helper_rem_i64(int64_t arg1, int64_t arg2);
-uint64_t tcg_helper_divu_i64(uint64_t arg1, uint64_t arg2);
-uint64_t tcg_helper_remu_i64(uint64_t arg1, uint64_t arg2);
-
extern uint8_t code_gen_prologue[];
#if defined(_ARCH_PPC) && !defined(_ARCH_PPC64)
#define tcg_qemu_tb_exec(tb_ptr) \
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