#ifndef GCC_RTL_H
#define GCC_RTL_H
-#include "statistics.h"
-#include "machmode.h"
-#include "input.h"
+/* This file is occasionally included by generator files which expect
+ machmode.h and other files to exist and would not normally have been
+ included by coretypes.h. */
+#ifdef GENERATOR_FILE
+#include "machmode.h"
+#include "signop.h"
+#include "wide-int.h"
+#include "double-int.h"
#include "real.h"
-#include "vec.h"
#include "fixed-value.h"
-#include "alias.h"
-#include "hashtab.h"
-#include "wide-int.h"
-#include "flags.h"
+#include "statistics.h"
+#include "vec.h"
+#include "hash-table.h"
+#include "hash-set.h"
+#include "input.h"
#include "is-a.h"
+#endif /* GENERATOR_FILE */
+
+#include "flags.h"
/* Value used by some passes to "recognize" noop moves as valid
instructions. */
tree rt_tree;
basic_block rt_bb;
mem_attrs *rt_mem;
- reg_attrs *rt_reg;
struct constant_descriptor_rtx *rt_constant;
struct dw_cfi_node *rt_cfi;
};
+/* Describes the properties of a REG. */
+struct GTY(()) reg_info {
+ /* The value of REGNO. */
+ unsigned int regno;
+
+ /* The value of REG_NREGS. */
+ unsigned int nregs : 8;
+ unsigned int unused : 24;
+
+ /* The value of REG_ATTRS. */
+ reg_attrs *attrs;
+};
+
/* This structure remembers the position of a SYMBOL_REF within an
object_block structure. A SYMBOL_REF only provides this information
if SYMBOL_REF_HAS_BLOCK_INFO_P is true. */
union u {
rtunion fld[1];
HOST_WIDE_INT hwint[1];
+ struct reg_info reg;
struct block_symbol block_sym;
struct real_value rv;
struct fixed_value fv;
class GTY(()) rtx_jump_insn : public rtx_insn
{
+public:
/* No extra fields, but adds the invariant:
JUMP_P (X) aka (GET_CODE (X) == JUMP_INSN)
i.e. an instruction that can possibly jump.
This is an instance of:
DEF_RTL_EXPR(JUMP_INSN, "jump_insn", "uuBeiie0", RTX_INSN)
from rtl.def. */
+
+ /* Returns jump target of this instruction. The returned value is not
+ necessarily a code label: it may also be a RETURN or SIMPLE_RETURN
+ expression. Also, when the code label is marked "deleted", it is
+ replaced by a NOTE. In some cases the value is NULL_RTX. */
+
+ inline rtx jump_label () const;
+
+ /* Returns jump target cast to rtx_code_label *. */
+
+ inline rtx_code_label *jump_target () const;
+
+ /* Set jump target. */
+
+ inline void set_jump_target (rtx_code_label *);
};
class GTY(()) rtx_call_insn : public rtx_insn
#define GET_CODE(RTX) ((enum rtx_code) (RTX)->code)
#define PUT_CODE(RTX, CODE) ((RTX)->code = (CODE))
-#define GET_MODE(RTX) ((machine_mode) (RTX)->mode)
-#define PUT_MODE(RTX, MODE) ((RTX)->mode = (MODE))
+#define GET_MODE(RTX) ((machine_mode) (RTX)->mode)
+#define PUT_MODE_RAW(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
return JUMP_P (rt);
}
+template <>
+template <>
+inline bool
+is_a_helper <rtx_jump_insn *>::test (rtx_insn *insn)
+{
+ return JUMP_P (insn);
+}
+
template <>
template <>
inline bool
__LINE__, __FUNCTION__); \
&_rtx->u.fv; })
+#define REG_CHECK(RTX) __extension__ \
+({ __typeof (RTX) const _rtx = (RTX); \
+ if (GET_CODE (_rtx) != REG) \
+ rtl_check_failed_code1 (_rtx, REG, __FILE__, __LINE__, \
+ __FUNCTION__); \
+ &_rtx->u.reg; })
+
#define BLOCK_SYMBOL_CHECK(RTX) __extension__ \
({ __typeof (RTX) const _symbol = (RTX); \
const unsigned int flags = SYMBOL_REF_FLAGS (_symbol); \
#define XCNMWINT(RTX, N, C, M) ((RTX)->u.hwint[N])
#define XCNMPRV(RTX, C, M) (&(RTX)->u.rv)
#define XCNMPFV(RTX, C, M) (&(RTX)->u.fv)
+#define REG_CHECK(RTX) (&(RTX)->u.reg)
#define BLOCK_SYMBOL_CHECK(RTX) (&(RTX)->u.block_sym)
#define HWIVEC_CHECK(RTX,C) (&(RTX)->u.hwiv)
#define X0ADVFLAGS(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_addr_diff_vec_flags)
#define X0CSELIB(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_cselib)
#define X0MEMATTR(RTX, N) (RTL_CHECKC1 (RTX, N, MEM).rt_mem)
-#define X0REGATTR(RTX, N) (RTL_CHECKC1 (RTX, N, REG).rt_reg)
#define X0CONSTANT(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_constant)
/* Access a '0' field with any type. */
/* Define macros to extract and insert the reg-note kind in an EXPR_LIST. */
#define REG_NOTE_KIND(LINK) ((enum reg_note) GET_MODE (LINK))
#define PUT_REG_NOTE_KIND(LINK, KIND) \
- PUT_MODE (LINK, (machine_mode) (KIND))
+ PUT_MODE_RAW (LINK, (machine_mode) (KIND))
/* Names for REG_NOTE's in EXPR_LIST insn's. */
return safe_as_a <rtx_insn *> (JUMP_LABEL (insn));
}
+/* Methods of rtx_jump_insn. */
+
+inline rtx rtx_jump_insn::jump_label () const
+{
+ return JUMP_LABEL (this);
+}
+
+inline rtx_code_label *rtx_jump_insn::jump_target () const
+{
+ return safe_as_a <rtx_code_label *> (JUMP_LABEL (this));
+}
+
+inline void rtx_jump_insn::set_jump_target (rtx_code_label *target)
+{
+ JUMP_LABEL (this) = target;
+}
+
/* Once basic blocks are found, each CODE_LABEL starts a chain that
goes through all the LABEL_REFs that jump to that label. The chain
eventually winds up at the CODE_LABEL: it is circular. */
/* For a REG rtx, REGNO extracts the register number. REGNO can only
be used on RHS. Use SET_REGNO to change the value. */
#define REGNO(RTX) (rhs_regno(RTX))
-#define SET_REGNO(RTX,N) \
- (df_ref_change_reg_with_loc (REGNO (RTX), N, RTX), XCUINT (RTX, 0, REG) = N)
-#define SET_REGNO_RAW(RTX,N) (XCUINT (RTX, 0, REG) = N)
+#define SET_REGNO(RTX, N) (df_ref_change_reg_with_loc (RTX, N))
+
+/* Return the number of consecutive registers in a REG. This is always
+ 1 for pseudo registers and is determined by HARD_REGNO_NREGS for
+ hard registers. */
+#define REG_NREGS(RTX) (REG_CHECK (RTX)->nregs)
/* ORIGINAL_REGNO holds the number the register originally had; for a
pseudo register turned into a hard reg this will hold the old pseudo
static inline unsigned int
rhs_regno (const_rtx x)
{
- return XCUINT (x, 0, REG);
+ return REG_CHECK (x)->regno;
}
+/* Return the final register in REG X plus one. */
+static inline unsigned int
+END_REGNO (const_rtx x)
+{
+ return REGNO (x) + REG_NREGS (x);
+}
+
+/* Change the REGNO and REG_NREGS of REG X to the specified values,
+ bypassing the df machinery. */
+static inline void
+set_regno_raw (rtx x, unsigned int regno, unsigned int nregs)
+{
+ reg_info *reg = REG_CHECK (x);
+ reg->regno = regno;
+ reg->nregs = nregs;
+}
/* 1 if RTX is a reg or parallel that is the current function's return
value. */
/* The register attribute block. We provide access macros for each value
in the block and provide defaults if none specified. */
-#define REG_ATTRS(RTX) X0REGATTR (RTX, 1)
+#define REG_ATTRS(RTX) (REG_CHECK (RTX)->attrs)
#ifndef GENERATOR_FILE
/* For a MEM rtx, the alias set. If 0, this MEM is not in any alias
extern rtvec shallow_copy_rtvec (rtvec);
extern bool shared_const_p (const_rtx);
extern rtx copy_rtx (rtx);
+extern enum rtx_code classify_insn (rtx);
extern void dump_rtx_statistics (void);
/* In emit-rtl.c */
extern rtx_insn *emit_insn_before (rtx, rtx);
extern rtx_insn *emit_insn_before_noloc (rtx, rtx_insn *, basic_block);
extern rtx_insn *emit_insn_before_setloc (rtx, rtx_insn *, int);
-extern rtx_insn *emit_jump_insn_before (rtx, rtx);
-extern rtx_insn *emit_jump_insn_before_noloc (rtx, rtx_insn *);
-extern rtx_insn *emit_jump_insn_before_setloc (rtx, rtx_insn *, int);
+extern rtx_jump_insn *emit_jump_insn_before (rtx, rtx);
+extern rtx_jump_insn *emit_jump_insn_before_noloc (rtx, rtx_insn *);
+extern rtx_jump_insn *emit_jump_insn_before_setloc (rtx, rtx_insn *, int);
extern rtx_insn *emit_call_insn_before (rtx, rtx_insn *);
extern rtx_insn *emit_call_insn_before_noloc (rtx, rtx_insn *);
extern rtx_insn *emit_call_insn_before_setloc (rtx, rtx_insn *, int);
-extern rtx_insn *emit_debug_insn_before (rtx, rtx);
+extern rtx_insn *emit_debug_insn_before (rtx, rtx_insn *);
extern rtx_insn *emit_debug_insn_before_noloc (rtx, rtx);
extern rtx_insn *emit_debug_insn_before_setloc (rtx, rtx, int);
extern rtx_barrier *emit_barrier_before (rtx);
-extern rtx_insn *emit_label_before (rtx, rtx_insn *);
-extern rtx_note *emit_note_before (enum insn_note, rtx);
+extern rtx_code_label *emit_label_before (rtx, rtx_insn *);
+extern rtx_note *emit_note_before (enum insn_note, rtx_insn *);
extern rtx_insn *emit_insn_after (rtx, rtx);
extern rtx_insn *emit_insn_after_noloc (rtx, rtx, basic_block);
extern rtx_insn *emit_insn_after_setloc (rtx, rtx, int);
-extern rtx_insn *emit_jump_insn_after (rtx, rtx);
-extern rtx_insn *emit_jump_insn_after_noloc (rtx, rtx);
-extern rtx_insn *emit_jump_insn_after_setloc (rtx, rtx, int);
+extern rtx_jump_insn *emit_jump_insn_after (rtx, rtx);
+extern rtx_jump_insn *emit_jump_insn_after_noloc (rtx, rtx);
+extern rtx_jump_insn *emit_jump_insn_after_setloc (rtx, rtx, int);
extern rtx_insn *emit_call_insn_after (rtx, rtx);
extern rtx_insn *emit_call_insn_after_noloc (rtx, rtx);
extern rtx_insn *emit_call_insn_after_setloc (rtx, rtx, int);
extern rtx_insn *emit_debug_insn_after_setloc (rtx, rtx, int);
extern rtx_barrier *emit_barrier_after (rtx);
extern rtx_insn *emit_label_after (rtx, rtx_insn *);
-extern rtx_note *emit_note_after (enum insn_note, rtx);
+extern rtx_note *emit_note_after (enum insn_note, rtx_insn *);
extern rtx_insn *emit_insn (rtx);
extern rtx_insn *emit_debug_insn (rtx);
extern rtx_insn *emit_jump_insn (rtx);
extern rtx_insn *emit_call_insn (rtx);
-extern rtx_insn *emit_label (rtx);
+extern rtx_code_label *emit_label (rtx);
extern rtx_jump_table_data *emit_jump_table_data (rtx);
extern rtx_barrier *emit_barrier (void);
extern rtx_note *emit_note (enum insn_note);
extern rtx_insn *next_active_insn (rtx);
extern int active_insn_p (const_rtx);
extern rtx_insn *next_cc0_user (rtx);
-extern rtx_insn *prev_cc0_setter (rtx);
+extern rtx_insn *prev_cc0_setter (rtx_insn *);
/* In emit-rtl.c */
extern int insn_line (const rtx_insn *);
extern rtx *find_constant_term_loc (rtx *);
/* In emit-rtl.c */
-extern rtx_insn *try_split (rtx, rtx, int);
+extern rtx_insn *try_split (rtx, rtx_insn *, int);
extern int split_branch_probability;
-/* In unknown file */
-extern rtx split_insns (rtx, rtx);
+/* In insn-recog.c (generated by genrecog). */
+extern rtx_insn *split_insns (rtx, rtx_insn *);
/* In simplify-rtx.c */
extern rtx simplify_const_unary_operation (enum rtx_code, machine_mode,
extern void record_hard_reg_uses (rtx *, void *);
#ifdef HARD_CONST
extern void find_all_hard_regs (const_rtx, HARD_REG_SET *);
-extern void find_all_hard_reg_sets (const_rtx, HARD_REG_SET *, bool);
+extern void find_all_hard_reg_sets (const rtx_insn *, HARD_REG_SET *, bool);
#endif
extern void note_stores (const_rtx, void (*) (rtx, const_rtx, void *), void *);
extern void note_uses (rtx *, void (*) (rtx *, void *), void *);
extern GTY(()) rtx cc0_rtx;
extern GTY(()) rtx ret_rtx;
extern GTY(()) rtx simple_return_rtx;
+extern GTY(()) rtx_insn *invalid_insn_rtx;
/* If HARD_FRAME_POINTER_REGNUM is defined, then a special dummy reg
is used to represent the frame pointer. This is because the
rtx reg_notes);
extern rtx gen_rtx_CONST_INT (machine_mode, HOST_WIDE_INT);
extern rtx gen_rtx_CONST_VECTOR (machine_mode, rtvec);
-extern rtx gen_raw_REG (machine_mode, int);
-extern rtx gen_rtx_REG (machine_mode, unsigned);
+extern void set_mode_and_regno (rtx, machine_mode, unsigned int);
+extern rtx gen_raw_REG (machine_mode, unsigned int);
+extern rtx gen_rtx_REG (machine_mode, unsigned int);
extern rtx gen_rtx_SUBREG (machine_mode, rtx, int);
extern rtx gen_rtx_MEM (machine_mode, rtx);
extern rtx gen_rtx_VAR_LOCATION (machine_mode, tree, rtx,
enum var_init_status);
+#ifdef GENERATOR_FILE
+#define PUT_MODE(RTX, MODE) PUT_MODE_RAW (RTX, MODE)
+#else
+static inline void
+PUT_MODE (rtx x, machine_mode mode)
+{
+ if (REG_P (x))
+ set_mode_and_regno (x, mode, REGNO (x));
+ else
+ PUT_MODE_RAW (x, mode);
+}
+#endif
+
#define GEN_INT(N) gen_rtx_CONST_INT (VOIDmode, (N))
/* Virtual registers are used during RTL generation to refer to locations into
extern int onlyjump_p (const rtx_insn *);
extern int only_sets_cc0_p (const_rtx);
extern int sets_cc0_p (const_rtx);
-extern int invert_jump_1 (rtx_insn *, rtx);
-extern int invert_jump (rtx_insn *, rtx, int);
+extern int invert_jump_1 (rtx_jump_insn *, rtx);
+extern int invert_jump (rtx_jump_insn *, rtx, int);
extern int rtx_renumbered_equal_p (const_rtx, const_rtx);
extern int true_regnum (const_rtx);
extern unsigned int reg_or_subregno (const_rtx);
-extern int redirect_jump_1 (rtx, rtx);
-extern void redirect_jump_2 (rtx, rtx, rtx, int, int);
-extern int redirect_jump (rtx, rtx, int);
+extern int redirect_jump_1 (rtx_insn *, rtx);
+extern void redirect_jump_2 (rtx_jump_insn *, rtx, rtx, int, int);
+extern int redirect_jump (rtx_jump_insn *, rtx, int);
extern void rebuild_jump_labels (rtx_insn *);
extern void rebuild_jump_labels_chain (rtx_insn *);
extern rtx reversed_comparison (const_rtx, machine_mode);
extern void add_insn_before (rtx, rtx, basic_block);
extern void add_insn_after (rtx, rtx, basic_block);
extern void remove_insn (rtx);
-extern rtx_insn *emit (rtx);
+extern rtx_insn *emit (rtx, bool = true);
extern void emit_insn_at_entry (rtx);
extern rtx gen_lowpart_SUBREG (machine_mode, rtx);
extern rtx gen_const_mem (machine_mode, rtx);
extern void debug_rtx (const_rtx);
extern void debug_rtx_list (const rtx_insn *, int);
extern void debug_rtx_range (const rtx_insn *, const rtx_insn *);
-extern const_rtx debug_rtx_find (const rtx_insn *, int);
+extern const rtx_insn *debug_rtx_find (const rtx_insn *, int);
extern void print_mem_expr (FILE *, const_tree);
extern void print_rtl (FILE *, const_rtx);
extern void print_simple_rtl (FILE *, const_rtx);
not be in sched-vis.c but in rtl.c, because they are not only used
by the scheduler anymore but for all "slim" RTL dumping. */
extern void dump_value_slim (FILE *, const_rtx, int);
-extern void dump_insn_slim (FILE *, const_rtx);
+extern void dump_insn_slim (FILE *, const rtx_insn *);
extern void dump_rtl_slim (FILE *, const rtx_insn *, const rtx_insn *,
int, int);
extern void print_value (pretty_printer *, const_rtx, int);
/* reginfo.c */
extern tree GTY(()) global_regs_decl[FIRST_PSEUDO_REGISTER];
+#ifdef HARD_CONST
+/* Information about the function that is propagated by the RTL backend.
+ Available only for functions that has been already assembled. */
+
+struct GTY(()) cgraph_rtl_info {
+ unsigned int preferred_incoming_stack_boundary;
+
+ /* Call unsaved hard registers really used by the corresponding
+ function (including ones used by functions called by the
+ function). */
+ HARD_REG_SET function_used_regs;
+ /* Set if function_used_regs is valid. */
+ unsigned function_used_regs_valid: 1;
+};
+#endif
+
+
#endif /* ! GCC_RTL_H */
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