typedef struct
{
HOST_WIDE_INT alias; /* Memory alias set. */
- tree decl; /* decl corresponding to MEM. */
+ tree expr; /* expr corresponding to MEM. */
rtx offset; /* Offset from start of DECL, as CONST_INT. */
rtx size; /* Size in bytes, as a CONST_INT. */
unsigned int align; /* Alignment of MEM in bits. */
/* 1 in an INSN if it can alter flow of control
within this function.
MEM_KEEP_ALIAS_SET_P in a MEM.
- LINK_COST_ZERO in an INSN_LIST. */
+ LINK_COST_ZERO in an INSN_LIST.
+ SET_IS_RETURN_P in a SET. */
unsigned int jump : 1;
/* 1 in an INSN if it can call another function.
LINK_COST_FREE in an INSN_LIST. */
For a float, the number of ints varies,
and CONST_DOUBLE_LOW is the one that should come first *in memory*.
So use &CONST_DOUBLE_LOW(r) as the address of an array of ints. */
-#define CONST_DOUBLE_LOW(r) XCWINT (r, 2, CONST_DOUBLE)
-#define CONST_DOUBLE_HIGH(r) XCWINT (r, 3, CONST_DOUBLE)
+#define CONST_DOUBLE_LOW(r) XCWINT (r, 1, CONST_DOUBLE)
+#define CONST_DOUBLE_HIGH(r) XCWINT (r, 2, CONST_DOUBLE)
/* Link for chain of all CONST_DOUBLEs in use in current function. */
-#define CONST_DOUBLE_CHAIN(r) XCEXP (r, 1, CONST_DOUBLE)
-/* The MEM which represents this CONST_DOUBLE's value in memory,
- or const0_rtx if no MEM has been made for it yet,
- or cc0_rtx if it is not on the chain. */
-#define CONST_DOUBLE_MEM(r) XCEXP (r, 0, CONST_DOUBLE)
+#define CONST_DOUBLE_CHAIN(r) XCEXP (r, 0, CONST_DOUBLE)
/* For a SUBREG rtx, SUBREG_REG extracts the value we want a subreg of.
SUBREG_BYTE extracts the byte-number. */
#define MEM_ALIAS_SET(RTX) (MEM_ATTRS (RTX) == 0 ? 0 : MEM_ATTRS (RTX)->alias)
/* For a MEM rtx, the decl it is known to refer to, if it is known to
- refer to part of a DECL. */
-#define MEM_DECL(RTX) (MEM_ATTRS (RTX) == 0 ? 0 : MEM_ATTRS (RTX)->decl)
+ refer to part of a DECL. It may also be a COMPONENT_REF. */
+#define MEM_EXPR(RTX) (MEM_ATTRS (RTX) == 0 ? 0 : MEM_ATTRS (RTX)->expr)
-/* For a MEM rtx, the offset from the start of MEM_DECL, if known, as a
+/* For a MEM rtx, the offset from the start of MEM_EXPR, if known, as a
RTX that is always a CONST_INT. */
#define MEM_OFFSET(RTX) (MEM_ATTRS (RTX) == 0 ? 0 : MEM_ATTRS (RTX)->offset)
and SET_SRC is the value it is set to. */
#define SET_DEST(RTX) XC2EXP(RTX, 0, SET, CLOBBER)
#define SET_SRC(RTX) XCEXP(RTX, 1, SET)
+#define SET_IS_RETURN_P(RTX) ((RTX)->jump)
/* For a TRAP_IF rtx, TRAP_CONDITION is an expression. */
#define TRAP_CONDITION(RTX) XCEXP(RTX, 0, TRAP_IF)
/* In varasm.c */
extern rtx immed_double_const PARAMS ((HOST_WIDE_INT, HOST_WIDE_INT, enum machine_mode));
+extern rtx mem_for_const_double PARAMS ((rtx));
extern rtx force_const_mem PARAMS ((enum machine_mode, rtx));
/* In varasm.c */
HOST_WIDE_INT, int));
extern rtx assign_stack_temp PARAMS ((enum machine_mode,
HOST_WIDE_INT, int));
+extern rtx assign_stack_temp_for_type PARAMS ((enum machine_mode,
+ HOST_WIDE_INT, int, tree));
extern rtx assign_temp PARAMS ((tree, int, int, int));
/* In emit-rtl.c */
extern rtx emit_insn_before PARAMS ((rtx, rtx));
extern void cleanup_barriers PARAMS ((void));
/* In jump.c */
-extern void squeeze_notes PARAMS ((rtx *, rtx *));
+extern bool squeeze_notes PARAMS ((rtx *, rtx *));
extern rtx delete_related_insns PARAMS ((rtx));
extern void delete_jump PARAMS ((rtx));
extern void delete_barrier PARAMS ((rtx));
unsigned int));
/* In emit-rtl.c */
-extern void set_unique_reg_note PARAMS ((rtx, enum reg_note, rtx));
+extern rtx set_unique_reg_note PARAMS ((rtx, enum reg_note, rtx));
/* Functions in rtlanal.c */
extern int rtx_addr_varies_p PARAMS ((rtx, int));
extern HOST_WIDE_INT get_integer_term PARAMS ((rtx));
extern rtx get_related_value PARAMS ((rtx));
+extern rtx get_jump_table_offset PARAMS ((rtx, rtx *));
extern int reg_mentioned_p PARAMS ((rtx, rtx));
extern int count_occurrences PARAMS ((rtx, rtx, int));
extern int reg_referenced_p PARAMS ((rtx, rtx));
add to this list, modify special_rtx in gengenrtl.c as well. You
should also modify gen_rtx to use the special function. */
-extern rtx gen_rtx_CONST_DOUBLE PARAMS ((enum machine_mode, rtx,
+extern rtx gen_rtx_CONST_DOUBLE PARAMS ((enum machine_mode,
HOST_WIDE_INT, HOST_WIDE_INT));
extern rtx gen_rtx_CONST_INT PARAMS ((enum machine_mode, HOST_WIDE_INT));
extern rtx gen_raw_REG PARAMS ((enum machine_mode, int));
#define LAST_VIRTUAL_REGISTER ((FIRST_VIRTUAL_REGISTER) + 4)
+/* Nonzero if REGNUM is a pointer into the stack frame. */
+#define REGNO_PTR_FRAME_P(REGNUM) \
+ ((REGNUM) == STACK_POINTER_REGNUM \
+ || (REGNUM) == FRAME_POINTER_REGNUM \
+ || (REGNUM) == HARD_FRAME_POINTER_REGNUM \
+ || (REGNUM) == ARG_POINTER_REGNUM \
+ || ((REGNUM) >= FIRST_VIRTUAL_REGISTER \
+ && (REGNUM) <= LAST_VIRTUAL_REGISTER))
+
/* REGNUM never really appearing in the INSN stream. */
#define INVALID_REGNUM (~(unsigned int)0)
extern void debug_rtx_range PARAMS ((rtx, rtx));
extern rtx debug_rtx_find PARAMS ((rtx, int));
#ifdef BUFSIZ
+extern void print_mem_expr PARAMS ((FILE *, tree));
extern void print_rtl PARAMS ((FILE *, rtx));
extern void print_simple_rtl PARAMS ((FILE *, rtx));
extern int print_rtl_single PARAMS ((FILE *, rtx));
unsigned int));
/* In flow.c */
-extern void recompute_reg_usage PARAMS ((rtx, int));
+extern void recompute_reg_usage PARAMS ((rtx, int));
+extern int initialize_uninitialized_subregs PARAMS ((void));
#ifdef BUFSIZ
-extern void print_rtl_with_bb PARAMS ((FILE *, rtx));
-extern void dump_flow_info PARAMS ((FILE *));
+extern void print_rtl_with_bb PARAMS ((FILE *, rtx));
+extern void dump_flow_info PARAMS ((FILE *));
#endif
/* In expmed.c */
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