extern const char rtx_class[NUM_RTX_CODE];
#define GET_RTX_CLASS(CODE) (rtx_class[(int) (CODE)])
+extern const unsigned char rtx_size[NUM_RTX_CODE];
extern const unsigned char rtx_next[NUM_RTX_CODE];
\f
/* The flags and bitfields of an ADDR_DIFF_VEC. BASE is the base label
union rtunion_def
{
- HOST_WIDE_INT rtwint;
int rtint;
unsigned int rtuint;
const char *rtstr;
/* The first element of the operands of this rtx.
The number of operands and their types are controlled
by the `code' field, according to rtl.def. */
- rtunion GTY ((special ("rtx_def"),
- desc ("GET_CODE (&%0)"))) fld[1];
+ union u {
+ rtunion fld[1];
+ HOST_WIDE_INT hwint[1];
+ } GTY ((special ("rtx_def"), desc ("GET_CODE (&%0)"))) u;
};
+/* The size in bytes of an rtx header (code, mode and flags). */
+#define RTX_HDR_SIZE offsetof (struct rtx_def, u)
+
+/* The size in bytes of an rtx with code CODE. */
+#define RTX_SIZE(CODE) rtx_size[CODE]
+
#define NULL_RTX (rtx) 0
/* The "next" and "previous" RTX, relative to this one. */
/* Define macros to access the `code' field of the rtx. */
#define GET_CODE(RTX) ((enum rtx_code) (RTX)->code)
-#define PUT_CODE(RTX, CODE) ((RTX)->code = (ENUM_BITFIELD(rtx_code)) (CODE))
+#define PUT_CODE(RTX, CODE) ((RTX)->code = (CODE))
#define GET_MODE(RTX) ((enum machine_mode) (RTX)->mode)
-#define PUT_MODE(RTX, MODE) ((RTX)->mode = (ENUM_BITFIELD(machine_mode)) (MODE))
+#define PUT_MODE(RTX, MODE) ((RTX)->mode = (MODE))
/* RTL vector. These appear inside RTX's when there is a need
for a variable number of things. The principle use is inside
if (GET_RTX_FORMAT(_code)[_n] != C1) \
rtl_check_failed_type1 (_rtx, _n, C1, __FILE__, __LINE__, \
__FUNCTION__); \
- &_rtx->fld[_n]; }))
+ &_rtx->u.fld[_n]; }))
#define RTL_CHECK2(RTX, N, C1, C2) __extension__ \
(*({ rtx const _rtx = (RTX); const int _n = (N); \
&& GET_RTX_FORMAT(_code)[_n] != C2) \
rtl_check_failed_type2 (_rtx, _n, C1, C2, __FILE__, __LINE__, \
__FUNCTION__); \
- &_rtx->fld[_n]; }))
+ &_rtx->u.fld[_n]; }))
#define RTL_CHECKC1(RTX, N, C) __extension__ \
(*({ rtx const _rtx = (RTX); const int _n = (N); \
if (GET_CODE (_rtx) != (C)) \
rtl_check_failed_code1 (_rtx, (C), __FILE__, __LINE__, \
__FUNCTION__); \
- &_rtx->fld[_n]; }))
+ &_rtx->u.fld[_n]; }))
#define RTL_CHECKC2(RTX, N, C1, C2) __extension__ \
(*({ rtx const _rtx = (RTX); const int _n = (N); \
if (_code != (C1) && _code != (C2)) \
rtl_check_failed_code2 (_rtx, (C1), (C2), __FILE__, __LINE__, \
__FUNCTION__); \
- &_rtx->fld[_n]; }))
+ &_rtx->u.fld[_n]; }))
#define RTVEC_ELT(RTVEC, I) __extension__ \
(*({ rtvec const _rtvec = (RTVEC); const int _i = (I); \
__FUNCTION__); \
&_rtvec->elem[_i]; }))
+#define XWINT(RTX, N) __extension__ \
+(*({ rtx const _rtx = (RTX); const int _n = (N); \
+ const enum rtx_code _code = GET_CODE (_rtx); \
+ if (_n < 0 || _n >= GET_RTX_LENGTH (_code)) \
+ rtl_check_failed_bounds (_rtx, _n, __FILE__, __LINE__, \
+ __FUNCTION__); \
+ if (GET_RTX_FORMAT(_code)[_n] != 'w') \
+ rtl_check_failed_type1 (_rtx, _n, 'w', __FILE__, __LINE__, \
+ __FUNCTION__); \
+ &_rtx->u.hwint[_n]; }))
+
+#define XCWINT(RTX, N, C) __extension__ \
+(*({ rtx const _rtx = (RTX); \
+ if (GET_CODE (_rtx) != (C)) \
+ rtl_check_failed_code1 (_rtx, (C), __FILE__, __LINE__, \
+ __FUNCTION__); \
+ &_rtx->u.hwint[N]; }))
+
extern void rtl_check_failed_bounds (rtx, int, const char *, int,
const char *)
ATTRIBUTE_NORETURN;
#else /* not ENABLE_RTL_CHECKING */
-#define RTL_CHECK1(RTX, N, C1) ((RTX)->fld[N])
-#define RTL_CHECK2(RTX, N, C1, C2) ((RTX)->fld[N])
-#define RTL_CHECKC1(RTX, N, C) ((RTX)->fld[N])
-#define RTL_CHECKC2(RTX, N, C1, C2) ((RTX)->fld[N])
+#define RTL_CHECK1(RTX, N, C1) ((RTX)->u.fld[N])
+#define RTL_CHECK2(RTX, N, C1, C2) ((RTX)->u.fld[N])
+#define RTL_CHECKC1(RTX, N, C) ((RTX)->u.fld[N])
+#define RTL_CHECKC2(RTX, N, C1, C2) ((RTX)->u.fld[N])
#define RTVEC_ELT(RTVEC, I) ((RTVEC)->elem[I])
+#define XWINT(RTX, N) ((RTX)->u.hwint[N])
+#define XCWINT(RTX, N, C) ((RTX)->u.hwint[N])
#endif
_rtx->volatil = 0; \
} while (0)
-#define XWINT(RTX, N) (RTL_CHECK1 (RTX, N, 'w').rtwint)
#define XINT(RTX, N) (RTL_CHECK2 (RTX, N, 'i', 'n').rtint)
#define XSTR(RTX, N) (RTL_CHECK2 (RTX, N, 's', 'S').rtstr)
#define XEXP(RTX, N) (RTL_CHECK2 (RTX, N, 'e', 'u').rtx)
#define XVECEXP(RTX, N, M) RTVEC_ELT (XVEC (RTX, N), M)
#define XVECLEN(RTX, N) GET_NUM_ELEM (XVEC (RTX, N))
-/* These are like XWINT, etc. except that they expect a '0' field instead
+/* These are like XINT, etc. except that they expect a '0' field instead
of the normal type code. */
-#define X0WINT(RTX, N) (RTL_CHECK1 (RTX, N, '0').rtwint)
#define X0INT(RTX, N) (RTL_CHECK1 (RTX, N, '0').rtint)
#define X0UINT(RTX, N) (RTL_CHECK1 (RTX, N, '0').rtuint)
#define X0STR(RTX, N) (RTL_CHECK1 (RTX, N, '0').rtstr)
#define X0MEMATTR(RTX, N) (RTL_CHECKC1 (RTX, N, MEM).rtmem)
#define X0REGATTR(RTX, N) (RTL_CHECKC1 (RTX, N, REG).rtreg)
-#define XCWINT(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rtwint)
+/* Access a '0' field with any type. */
+#define X0ANY(RTX, N) RTL_CHECK1 (RTX, N, '0')
+
#define XCINT(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rtint)
#define XCUINT(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rtuint)
#define XCSTR(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rtstr)
return. */
REG_BR_PROB,
+ /* REG_VALUE_PROFILE is attached when the profile is read in to an insn
+ before that the code to profile the value is inserted. It contains
+ the results of profiling. */
+ REG_VALUE_PROFILE,
+
/* Attached to a call insn; indicates that the call is malloc-like and
that the pointer returned cannot alias anything else. */
REG_NOALIAS,
extern rtx rtx_alloc (RTX_CODE);
extern rtvec rtvec_alloc (int);
extern rtx copy_rtx (rtx);
+extern void dump_rtx_statistics (void);
/* In emit-rtl.c */
extern rtx copy_rtx_if_shared (rtx);
/* regclass.c */
/* Maximum number of parallel sets and clobbers in any insn in this fn.
- Always at least 3, since the combiner could put that many togetherm
+ Always at least 3, since the combiner could put that many together
and we want this to remain correct for all the remaining passes. */
extern int max_parallel;
#define arg_pointer_rtx (global_rtl[GR_ARG_POINTER])
extern GTY(()) rtx pic_offset_table_rtx;
-extern GTY(()) rtx struct_value_rtx;
-extern GTY(()) rtx struct_value_incoming_rtx;
extern GTY(()) rtx static_chain_rtx;
extern GTY(()) rtx static_chain_incoming_rtx;
extern GTY(()) rtx return_address_pointer_rtx;
#define INVALID_REGNUM (~(unsigned int) 0)
extern rtx output_constant_def (tree, int);
+extern rtx lookup_constant_def (tree);
/* Called from integrate.c when a deferred constant is inlined. */
extern void notice_rtl_inlining_of_deferred_constant (void);
N times that of a fast register-to-register instruction. */
#define COSTS_N_INSNS(N) ((N) * 4)
-/* Maximum cost of a rtl expression. This value has the special meaning
+/* Maximum cost of an rtl expression. This value has the special meaning
not to use an rtx with this cost under any circumstances. */
#define MAX_COST INT_MAX
extern void mark_reg_pointer (rtx, int);
extern void mark_user_reg (rtx);
extern void reset_used_flags (rtx);
+extern void set_used_flags (rtx);
extern void reorder_insns (rtx, rtx, rtx);
extern void reorder_insns_nobb (rtx, rtx, rtx);
extern int get_max_uid (void);
extern int subreg_realpart_p (rtx);
extern void reverse_comparison (rtx);
extern void set_new_first_and_last_insn (rtx, rtx);
-extern void set_new_first_and_last_label_num (int, int);
extern void set_new_last_label_num (int);
extern void unshare_all_rtl_again (rtx);
+extern void unshare_all_rtl_in_chain (rtx);
+extern void verify_rtl_sharing (void);
extern void set_first_insn (rtx);
extern void set_last_insn (rtx);
extern void link_cc0_insns (rtx);
extern void dump_combine_stats (FILE *);
extern void dump_combine_total_stats (FILE *);
#endif
+/* In web.c */
+extern void web_main (void);
/* In sched.c. */
#ifdef BUFSIZ
/* In stmt.c */
extern void set_file_and_line_for_stmt (location_t);
extern void expand_null_return (void);
+extern void expand_naked_return (void);
extern void emit_jump (rtx);
extern int preserve_subexpressions_p (void);
extern int reg_classes_intersect_p (enum reg_class, enum reg_class);
extern int reg_class_subset_p (enum reg_class, enum reg_class);
extern void globalize_reg (int);
+extern void init_reg_modes_once (void);
extern void init_regs (void);
extern void init_fake_stack_mems (void);
extern void init_reg_sets (void);
extern int read_dependence (rtx, rtx);
extern int anti_dependence (rtx, rtx);
extern int output_dependence (rtx, rtx);
+extern int unchanging_anti_dependence (rtx, rtx);
extern void mark_constant_function (void);
extern void init_alias_once (void);
extern void init_alias_analysis (void);
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