1 in a SYMBOL_REF, means that emit_library_call
has used it as the function. */
unsigned int used : 1;
- /* FIXME. This should be unused now that we do inlinining on trees,
- but it is now being used for MEM_SCALAR_P. It should be renamed,
- or some other field should be overloaded. */
- unsigned integrated : 1;
/* 1 in an INSN or a SET if this rtx is related to the call frame,
either changing how we compute the frame address or saving and
restoring registers in the prologue and epilogue.
constant string pool. */
unsigned frame_related : 1;
/* 1 in a REG or PARALLEL that is the current function's return value.
+ 1 in a MEM if it refers to a scalar.
1 in a SYMBOL_REF for a weak symbol. */
unsigned return_val : 1;
/* FIXME: the "NEXT_INSN (PREV_INSN (X)) == X" condition shouldn't be needed.
*/
-#define RTX_PREV(X) ((GET_CODE (X) == INSN \
- || GET_CODE (X) == CALL_INSN \
- || GET_CODE (X) == JUMP_INSN \
- || GET_CODE (X) == NOTE \
- || GET_CODE (X) == BARRIER \
- || GET_CODE (X) == CODE_LABEL) \
+#define RTX_PREV(X) ((INSN_P (X) \
+ || NOTE_P (X) \
+ || BARRIER_P (X) \
+ || LABEL_P (X)) \
&& PREV_INSN (X) != NULL \
&& NEXT_INSN (PREV_INSN (X)) == X \
? PREV_INSN (X) : NULL)
#define GET_NUM_ELEM(RTVEC) ((RTVEC)->num_elem)
#define PUT_NUM_ELEM(RTVEC, NUM) ((RTVEC)->num_elem = (NUM))
-/* Predicate yielding nonzero iff X is an rtl for a register. */
+/* Predicate yielding nonzero iff X is an rtx for a register. */
#define REG_P(X) (GET_CODE (X) == REG)
+/* Predicate yielding nonzero iff X is an rtx for a memory location. */
+#define MEM_P(X) (GET_CODE (X) == MEM)
+
/* Predicate yielding nonzero iff X is a label insn. */
#define LABEL_P(X) (GET_CODE (X) == CODE_LABEL)
/* Predicate yielding nonzero iff X is a jump insn. */
#define JUMP_P(X) (GET_CODE (X) == JUMP_INSN)
+/* Predicate yielding nonzero iff X is a call insn. */
+#define CALL_P(X) (GET_CODE (X) == CALL_INSN)
+
+/* Predicate yielding nonzero iff X is an insn that cannot jump. */
+#define NONJUMP_INSN_P(X) (GET_CODE (X) == INSN)
+
+/* Predicate yielding nonzero iff X is a real insn. */
+#define INSN_P(X) \
+ (NONJUMP_INSN_P (X) || JUMP_P (X) || CALL_P (X))
+
/* Predicate yielding nonzero iff X is a note insn. */
#define NOTE_P(X) (GET_CODE (X) == NOTE)
(JUMP_P (INSN) && (GET_CODE (PATTERN (INSN)) == ADDR_VEC || \
GET_CODE (PATTERN (INSN)) == ADDR_DIFF_VEC))
-
-/* 1 if X is an insn. */
-#define INSN_P(X) \
- (GET_RTX_CLASS (GET_CODE(X)) == RTX_INSN)
-
/* 1 if X is a unary operator. */
#define UNARY_P(X) \
#define CLEAR_RTX_FLAGS(RTX) \
do { \
rtx const _rtx = (RTX); \
- _rtx->call = 0; \
- _rtx->frame_related = 0; \
- _rtx->in_struct = 0; \
_rtx->jump = 0; \
+ _rtx->call = 0; \
_rtx->unchanging = 0; \
- _rtx->used = 0; \
_rtx->volatil = 0; \
- _rtx->unused_flag = 0; \
+ _rtx->in_struct = 0; \
+ _rtx->used = 0; \
+ _rtx->frame_related = 0; \
+ _rtx->return_val = 0; \
} while (0)
#define XINT(RTX, N) (RTL_CHECK2 (RTX, N, 'i', 'n').rtint)
/* Opaque data. */
#define NOTE_DATA(INSN) RTL_CHECKC1 (INSN, 4, NOTE)
+#define NOTE_DELETED_LABEL_NAME(INSN) XCSTR (INSN, 4, NOTE)
+#ifdef USE_MAPPED_LOCATION
+#define NOTE_SOURCE_LOCATION(INSN) XCUINT (INSN, 5, NOTE)
+#define NOTE_EXPANDED_LOCATION(XLOC, INSN) \
+ (XLOC) = expand_location (NOTE_SOURCE_LOCATION (INSN))
+#define SET_INSN_DELETED(INSN) \
+ (PUT_CODE (INSN, NOTE), NOTE_LINE_NUMBER (INSN) = NOTE_INSN_DELETED)
+#else
+#define NOTE_EXPANDED_LOCATION(XLOC, INSN) \
+ ((XLOC).file = NOTE_SOURCE_FILE (INSN), \
+ (XLOC).line = NOTE_LINE_NUMBER (INSN))
#define NOTE_SOURCE_FILE(INSN) XCSTR (INSN, 4, NOTE)
+#define SET_INSN_DELETED(INSN) \
+ (PUT_CODE (INSN, NOTE), NOTE_SOURCE_FILE (INSN) = 0, \
+ NOTE_LINE_NUMBER (INSN) = NOTE_INSN_DELETED)
+#endif
#define NOTE_BLOCK(INSN) XCTREE (INSN, 4, NOTE)
#define NOTE_EH_HANDLER(INSN) XCINT (INSN, 4, NOTE)
#define NOTE_BASIC_BLOCK(INSN) XCBBDEF (INSN, 4, NOTE)
NOTE_INSN_DELETED,
/* These are used to mark the beginning and end of a lexical block.
- See NOTE_BLOCK, identify_blocks and reorder_blocks. */
+ See NOTE_BLOCK and reorder_blocks. */
NOTE_INSN_BLOCK_BEG,
NOTE_INSN_BLOCK_END,
#define LABEL_ALT_ENTRY_P(LABEL) (LABEL_KIND (LABEL) != LABEL_NORMAL)
-/* The original regno this ADDRESSOF was built for. */
-#define ADDRESSOF_REGNO(RTX) XCUINT (RTX, 1, ADDRESSOF)
-
-/* The variable in the register we took the address of. */
-#define ADDRESSOF_DECL(RTX) XCTREE (RTX, 2, ADDRESSOF)
-
/* In jump.c, each JUMP_INSN can point to a label that it can jump to,
so that if the JUMP_INSN is deleted, the label's LABEL_NUSES can
be decremented and possibly the label can be deleted. */
extern bool subreg_offset_representable_p (unsigned int, enum machine_mode,
unsigned int, enum machine_mode);
extern unsigned int subreg_regno (rtx);
+extern unsigned HOST_WIDE_INT nonzero_bits (rtx, enum machine_mode);
+extern unsigned int num_sign_bit_copies (rtx, enum machine_mode);
+
/* 1 if RTX is a subreg containing a reg that is already known to be
sign- or zero-extended from the mode of the subreg to the mode of
XSTR (XCVECEXP (RTX, 4, N, ASM_OPERANDS), 0)
#define ASM_OPERANDS_INPUT_MODE(RTX, N) \
GET_MODE (XCVECEXP (RTX, 4, N, ASM_OPERANDS))
+#ifdef USE_MAPPED_LOCATION
+#define ASM_OPERANDS_SOURCE_LOCATION(RTX) XCUINT (RTX, 5, ASM_OPERANDS)
+#else
#define ASM_OPERANDS_SOURCE_FILE(RTX) XCSTR (RTX, 5, ASM_OPERANDS)
#define ASM_OPERANDS_SOURCE_LINE(RTX) XCINT (RTX, 6, ASM_OPERANDS)
+#endif
/* 1 if RTX is a mem and we should keep the alias set for this mem
unchanged when we access a component. Set to 1, or example, when we
#define MEM_IN_STRUCT_P(RTX) \
(RTL_FLAG_CHECK1("MEM_IN_STRUCT_P", (RTX), MEM)->in_struct)
-/* 1 if RTX is a mem that refers to a scalar. If zero, RTX may or may
+/* 1 if RTX is a MEM that refers to a scalar. If zero, RTX may or may
not refer to a scalar. */
#define MEM_SCALAR_P(RTX) \
- (RTL_FLAG_CHECK1("MEM_SCALAR_P", (RTX), MEM)->integrated)
+ (RTL_FLAG_CHECK1("MEM_SCALAR_P", (RTX), MEM)->return_val)
/* 1 if RTX is a mem that cannot trap. */
#define MEM_NOTRAP_P(RTX) \
extern HOST_WIDE_INT trunc_int_for_mode (HOST_WIDE_INT, enum machine_mode);
extern rtx plus_constant_wide (rtx, HOST_WIDE_INT);
extern rtx plus_constant_for_output_wide (rtx, HOST_WIDE_INT);
-extern void optimize_save_area_alloca (rtx);
+extern void optimize_save_area_alloca (void);
/* In emit-rtl.c */
extern rtvec gen_rtvec (int, ...);
extern rtx gen_label_rtx (void);
extern int subreg_hard_regno (rtx, int);
extern rtx gen_lowpart_common (enum machine_mode, rtx);
-extern rtx gen_lowpart_general (enum machine_mode, rtx);
-extern rtx (*gen_lowpart) (enum machine_mode mode, rtx x);
-
/* In cse.c */
extern rtx gen_lowpart_if_possible (enum machine_mode, rtx);
extern int active_insn_p (rtx);
extern rtx prev_label (rtx);
extern rtx next_label (rtx);
+extern rtx skip_consecutive_labels (rtx);
extern rtx next_cc0_user (rtx);
extern rtx prev_cc0_setter (rtx);
extern rtx simplify_rtx (rtx);
extern rtx avoid_constant_pool_reference (rtx);
-/* In function.c */
-extern rtx gen_mem_addressof (rtx, tree, int);
-
/* In regclass.c */
extern enum machine_mode choose_hard_reg_mode (unsigned int, unsigned int,
bool);
extern enum reg_class reg_preferred_class (int);
extern enum reg_class reg_alternate_class (int);
-extern rtx get_first_nonparm_insn (void);
-
extern void split_all_insns (int);
extern void split_all_insns_noflow (void);
#ifndef NO_GENRTL_H
#include "genrtl.h"
+#ifndef USE_MAPPED_LOCATION
+#undef gen_rtx_ASM_OPERANDS
+#define gen_rtx_ASM_OPERANDS(MODE, ARG0, ARG1, ARG2, ARG3, ARG4, LOC) \
+ gen_rtx_fmt_ssiEEsi (ASM_OPERANDS, (MODE), (ARG0), (ARG1), (ARG2), (ARG3), (ARG4), (LOC).file, (LOC).line)
+#endif
#endif
/* There are some RTL codes that require special attention; the
extern void reverse_comparison (rtx);
extern void set_new_first_and_last_insn (rtx, rtx);
extern void set_new_last_label_num (int);
+extern void unshare_all_rtl (void);
extern void unshare_all_rtl_again (rtx);
extern void unshare_all_rtl_in_chain (rtx);
extern void verify_rtl_sharing (void);
extern void renumber_insns (FILE *);
extern void remove_unnecessary_notes (void);
extern rtx delete_insn (rtx);
+extern rtx entry_of_function (void);
extern void delete_insn_chain (rtx, rtx);
extern rtx unlink_insn_chain (rtx, rtx);
extern rtx delete_insn_and_edges (rtx);
#ifdef BUFSIZ
extern void loop_optimize (rtx, FILE *, int);
#endif
-extern void branch_target_load_optimize (rtx, bool);
+extern void branch_target_load_optimize (bool);
/* In function.c */
extern void reposition_prologue_and_epilogue_notes (rtx);
extern void thread_prologue_and_epilogue_insns (rtx);
extern int prologue_epilogue_contains (rtx);
extern int sibcall_epilogue_contains (rtx);
-extern void preserve_rtl_expr_result (rtx);
extern void mark_temp_addr_taken (rtx);
extern void update_temp_slot_address (rtx, rtx);
-extern void purge_addressof (rtx);
extern void purge_hard_subreg_sets (rtx);
/* In stmt.c */
extern bool invalid_mode_change_p (unsigned int, enum reg_class,
enum machine_mode);
-extern int delete_null_pointer_checks (rtx);
-
/* In regmove.c */
#ifdef BUFSIZ
extern void regmove_optimize (rtx, int, FILE *);
/* In reg-stack.c */
#ifdef BUFSIZ
-extern bool reg_to_stack (rtx, FILE *);
+extern bool reg_to_stack (FILE *);
#endif
/* In calls.c */
extern rtx get_reg_known_value (unsigned int);
extern bool get_reg_known_equiv_p (unsigned int);
-/* In sibcall.c */
-typedef enum {
- sibcall_use_normal = 1,
- sibcall_use_tail_recursion,
- sibcall_use_sibcall
-} sibcall_use_t;
-
-extern void optimize_sibling_and_tail_recursive_calls (void);
-extern void replace_call_placeholder (rtx, sibcall_use_t);
-
#ifdef STACK_REGS
extern int stack_regs_mentioned (rtx insn);
#endif
extern void variable_tracking_main (void);
/* In stor-layout.c. */
-extern void get_mode_bounds (enum machine_mode, int, rtx *, rtx *);
+extern void get_mode_bounds (enum machine_mode, int, enum machine_mode,
+ rtx *, rtx *);
/* In loop-unswitch.c */
extern rtx reversed_condition (rtx);
/* In ra.c. */
extern void reg_alloc (void);
+/* In modulo-sched.c. */
+#ifdef BUFSIZ
+extern void sms_schedule (FILE *);
+#endif
+\f
+struct rtl_hooks
+{
+ rtx (*gen_lowpart) (enum machine_mode, rtx);
+ rtx (*reg_nonzero_bits) (rtx, enum machine_mode, rtx, enum machine_mode,
+ unsigned HOST_WIDE_INT, unsigned HOST_WIDE_INT *);
+ rtx (*reg_num_sign_bit_copies) (rtx, enum machine_mode, rtx, enum machine_mode,
+ unsigned int, unsigned int *);
+
+ /* Whenever you add entries here, make sure you adjust hosthooks-def.h. */
+};
+
+/* Each pass can provide its own. */
+extern struct rtl_hooks rtl_hooks;
+
+/* ... but then it has to restore these. */
+extern const struct rtl_hooks general_rtl_hooks;
+
+/* Keep this for the nonce. */
+#define gen_lowpart rtl_hooks.gen_lowpart
+
#endif /* ! GCC_RTL_H */
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