/* Definitions for code generation pass of GNU compiler.
- Copyright (C) 1987-2021 Free Software Foundation, Inc.
+ Copyright (C) 1987-2024 Free Software Foundation, Inc.
This file is part of GCC.
extern rtx convert_to_mode (machine_mode, rtx, int);
/* Convert an rtx to MODE from OLDMODE and return the result. */
-extern rtx convert_modes (machine_mode, machine_mode, rtx, int);
+extern rtx convert_modes (machine_mode mode, machine_mode oldmode,
+ rtx x, int unsignedp);
+
+/* Variant of convert_modes for ABI parameter passing/return. */
+extern rtx convert_float_to_wider_int (machine_mode mode, machine_mode fmode,
+ rtx x);
+
+/* Variant of convert_modes for ABI parameter passing/return. */
+extern rtx convert_wider_int_to_float (machine_mode mode, machine_mode imode,
+ rtx x);
/* Expand a call to memcpy or memmove or memcmp, and return the result. */
extern rtx emit_block_op_via_libcall (enum built_in_function, rtx, rtx, rtx,
bool);
-static inline rtx
+inline rtx
emit_block_copy_via_libcall (rtx dst, rtx src, rtx size, bool tailcall = false)
{
return emit_block_op_via_libcall (BUILT_IN_MEMCPY, dst, src, size, tailcall);
}
-static inline rtx
+inline rtx
emit_block_move_via_libcall (rtx dst, rtx src, rtx size, bool tailcall = false)
{
return emit_block_op_via_libcall (BUILT_IN_MEMMOVE, dst, src, size, tailcall);
}
-static inline rtx
+inline rtx
emit_block_comp_via_libcall (rtx dst, rtx src, rtx size, bool tailcall = false)
{
return emit_block_op_via_libcall (BUILT_IN_MEMCMP, dst, src, size, tailcall);
};
typedef rtx (*by_pieces_constfn) (void *, void *, HOST_WIDE_INT,
- scalar_int_mode);
+ fixed_size_mode);
/* The second pointer passed to by_pieces_constfn. */
struct by_pieces_prev
{
rtx data;
- scalar_int_mode mode;
+ fixed_size_mode mode;
};
-extern rtx emit_block_move (rtx, rtx, rtx, enum block_op_methods);
+extern rtx emit_block_move (rtx, rtx, rtx, enum block_op_methods,
+ unsigned ctz_size = 0);
extern rtx emit_block_move_hints (rtx, rtx, rtx, enum block_op_methods,
unsigned int, HOST_WIDE_INT,
unsigned HOST_WIDE_INT,
unsigned HOST_WIDE_INT,
bool bail_out_libcall = false,
bool *is_move_done = NULL,
- bool might_overlap = false);
+ bool might_overlap = false,
+ unsigned ctz_size = 0);
extern rtx emit_block_cmp_hints (rtx, rtx, rtx, tree, rtx, bool,
- by_pieces_constfn, void *);
+ by_pieces_constfn, void *,
+ unsigned ctz_len = 0);
extern bool emit_storent_insn (rtx to, rtx from);
/* Copy all or part of a value X into registers starting at REGNO.
extern rtx copy_blkmode_to_reg (machine_mode, tree);
/* Mark REG as holding a parameter for the next CALL_INSN. */
-static inline void
+inline void
use_reg (rtx *fusage, rtx reg)
{
use_reg_mode (fusage, reg, VOIDmode);
}
/* Mark REG as clobbered by the call with FUSAGE as CALL_INSN_FUNCTION_USAGE. */
-static inline void
+inline void
clobber_reg (rtx *fusage, rtx reg)
{
clobber_reg_mode (fusage, reg, VOIDmode);
unsigned int, HOST_WIDE_INT,
unsigned HOST_WIDE_INT,
unsigned HOST_WIDE_INT,
- unsigned HOST_WIDE_INT);
+ unsigned HOST_WIDE_INT,
+ unsigned);
/* The same, but always output an library call. */
extern rtx set_storage_via_libcall (rtx, rtx, rtx, bool = false);
unsigned HOST_WIDE_INT,
unsigned HOST_WIDE_INT);
-/* Return nonzero if it is desirable to store LEN bytes generated by
+/* Return true if it is desirable to store LEN bytes generated by
CONSTFUN with several move instructions by store_by_pieces
function. CONSTFUNDATA is a pointer which will be passed as argument
in every CONSTFUN call.
ALIGN is maximum alignment we can assume.
MEMSETP is true if this is a real memset/bzero, not a copy
of a const string. */
-extern int can_store_by_pieces (unsigned HOST_WIDE_INT,
- by_pieces_constfn,
- void *, unsigned int, bool);
+extern bool can_store_by_pieces (unsigned HOST_WIDE_INT,
+ by_pieces_constfn,
+ void *, unsigned int, bool);
/* Generate several move instructions to store LEN bytes generated by
CONSTFUN to block TO. (A MEM rtx with BLKmode). CONSTFUNDATA is a
extern rtx store_by_pieces (rtx, unsigned HOST_WIDE_INT, by_pieces_constfn,
void *, unsigned int, bool, memop_ret);
+/* If can_store_by_pieces passes for worst-case values near MAX_LEN, call
+ store_by_pieces within conditionals so as to handle variable LEN efficiently,
+ storing VAL, if non-NULL_RTX, or valc instead. */
+extern bool try_store_by_multiple_pieces (rtx to, rtx len,
+ unsigned int ctz_len,
+ unsigned HOST_WIDE_INT min_len,
+ unsigned HOST_WIDE_INT max_len,
+ rtx val, char valc,
+ unsigned int align);
+
/* Emit insns to set X from Y. */
extern rtx_insn *emit_move_insn (rtx, rtx);
extern rtx_insn *gen_move_insn (rtx, rtx);
extern rtx_insn *emit_move_complex_push (machine_mode, rtx, rtx);
extern rtx_insn *emit_move_complex_parts (rtx, rtx);
extern rtx read_complex_part (rtx, bool);
-extern void write_complex_part (rtx, rtx, bool);
+extern void write_complex_part (rtx, rtx, bool, bool);
extern rtx read_complex_part (rtx, bool);
extern rtx emit_move_resolve_push (machine_mode, rtx);
int, rtx, poly_int64, rtx, rtx, int, rtx, bool);
/* Extract the accessible bit-range from a COMPONENT_REF. */
-extern void get_bit_range (poly_uint64_pod *, poly_uint64_pod *, tree,
- poly_int64_pod *, tree *);
+extern void get_bit_range (poly_uint64 *, poly_uint64 *, tree,
+ poly_int64 *, tree *);
/* Expand an assignment that stores the value of FROM into TO. */
extern void expand_assignment (tree, tree, bool);
/* Generate code for computing expression EXP.
An rtx for the computed value is returned. The value is never null.
In the case of a void EXP, const0_rtx is returned. */
-static inline rtx
+inline rtx
expand_expr (tree exp, rtx target, machine_mode mode,
enum expand_modifier modifier)
{
return expand_expr_real (exp, target, mode, modifier, NULL, false);
}
-static inline rtx
+inline rtx
expand_normal (tree exp)
{
return expand_expr_real (exp, NULL_RTX, VOIDmode, EXPAND_NORMAL, NULL, false);
extern void maybe_optimize_sub_cmp_0 (enum tree_code, tree *, tree *);
/* Two different ways of generating switch statements. */
-extern int try_casesi (tree, tree, tree, tree, rtx, rtx, rtx, profile_probability);
-extern int try_tablejump (tree, tree, tree, tree, rtx, rtx, profile_probability);
+extern bool try_casesi (tree, tree, tree, tree, rtx, rtx, rtx,
+ profile_probability);
+extern bool try_tablejump (tree, tree, tree, tree, rtx, rtx,
+ profile_probability);
-extern int safe_from_p (const_rtx, tree, int);
+extern bool safe_from_p (const_rtx, tree, int);
/* Get the personality libfunc for a function decl. */
rtx get_personality_function (tree);
extern bool categorize_ctor_elements (const_tree, HOST_WIDE_INT *,
HOST_WIDE_INT *, HOST_WIDE_INT *,
bool *);
+extern bool immediate_const_ctor_p (const_tree, unsigned int words = 1);
+extern void store_constructor (tree, rtx, int, poly_int64, bool);
+extern HOST_WIDE_INT int_expr_size (const_tree exp);
extern void expand_operands (tree, tree, rtx, rtx*, rtx*,
enum expand_modifier);
/* Return an rtx for the size in bytes of the value of an expr. */
extern rtx expr_size (tree);
+extern bool mem_ref_refers_to_non_mem_p (tree);
+extern bool non_mem_decl_p (tree);
+
#endif /* GCC_EXPR_H */
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