ssize_int, TREE_CODE, TYPE_SIZE, int_size_in_bytes, */
#include "tree-core.h"
/* For GET_MODE_BITSIZE, word_mode */
+#include "insn-config.h"
/* This is the 4th arg to `expand_expr'.
EXPAND_STACK_PARM means we are possibly expanding a call param onto
tree type;
tree op0, op1, op2;
} *sepops;
-\f
-/* Functions from optabs.c, commonly used, and without need for the optabs
- tables: */
-
-/* Passed to expand_simple_binop and expand_binop to say which options
- to try to use if the requested operation can't be open-coded on the
- requisite mode. Either OPTAB_LIB or OPTAB_LIB_WIDEN says try using
- a library call. Either OPTAB_WIDEN or OPTAB_LIB_WIDEN says try
- using a wider mode. OPTAB_MUST_WIDEN says try widening and don't
- try anything else. */
-
-enum optab_methods
-{
- OPTAB_DIRECT,
- OPTAB_LIB,
- OPTAB_WIDEN,
- OPTAB_LIB_WIDEN,
- OPTAB_MUST_WIDEN
-};
-
-/* Generate code for a simple binary or unary operation. "Simple" in
- this case means "can be unambiguously described by a (mode, code)
- pair and mapped to a single optab." */
-extern rtx expand_simple_binop (machine_mode, enum rtx_code, rtx,
- rtx, rtx, int, enum optab_methods);
-extern rtx expand_simple_unop (machine_mode, enum rtx_code, rtx, rtx,
- int);
-
-/* Report whether the machine description contains an insn which can
- perform the operation described by CODE and MODE. */
-extern int have_insn_for (enum rtx_code, machine_mode);
-
-/* Emit code to make a call to a constant function or a library call. */
-extern void emit_libcall_block (rtx, rtx, rtx, rtx);
-
-/* Create but don't emit one rtl instruction to perform certain operations.
- Modes must match; operands must meet the operation's predicates.
- Likewise for subtraction and for just copying. */
-extern rtx gen_add2_insn (rtx, rtx);
-extern rtx gen_add3_insn (rtx, rtx, rtx);
-extern rtx gen_addptr3_insn (rtx, rtx, rtx);
-extern rtx gen_sub2_insn (rtx, rtx);
-extern rtx gen_sub3_insn (rtx, rtx, rtx);
-extern rtx gen_move_insn (rtx, rtx);
-extern int have_add2_insn (rtx, rtx);
-extern int have_addptr3_insn (rtx, rtx, rtx);
-extern int have_sub2_insn (rtx, rtx);
-
-/* Emit a pair of rtl insns to compare two rtx's and to jump
- to a label if the comparison is true. */
-extern void emit_cmp_and_jump_insns (rtx, rtx, enum rtx_code, rtx,
- machine_mode, int, rtx, int prob=-1);
-
-/* Generate code to indirectly jump to a location given in the rtx LOC. */
-extern void emit_indirect_jump (rtx);
-
-/* Generate a conditional trap instruction. */
-extern rtx gen_cond_trap (enum rtx_code, rtx, rtx, rtx);
-
-#include "insn-config.h"
-
-#ifdef HAVE_conditional_move
-/* Emit a conditional move operation. */
-rtx emit_conditional_move (rtx, enum rtx_code, rtx, rtx, machine_mode,
- rtx, rtx, machine_mode, int);
-
-/* Return nonzero if the conditional move is supported. */
-int can_conditionally_move_p (machine_mode mode);
-
-#endif
-rtx emit_conditional_add (rtx, enum rtx_code, rtx, rtx, machine_mode,
- rtx, rtx, machine_mode, int);
-
-rtx expand_sync_operation (rtx, rtx, enum rtx_code);
-rtx expand_sync_fetch_operation (rtx, rtx, enum rtx_code, bool, rtx);
-rtx expand_sync_lock_test_and_set (rtx, rtx, rtx);
-
-rtx expand_atomic_exchange (rtx, rtx, rtx, enum memmodel);
-rtx expand_atomic_load (rtx, rtx, enum memmodel);
-rtx expand_atomic_store (rtx, rtx, enum memmodel, bool);
-rtx expand_atomic_fetch_op (rtx, rtx, rtx, enum rtx_code, enum memmodel,
- bool);
-rtx expand_atomic_test_and_set (rtx, rtx, enum memmodel);
-rtx expand_atomic_clear (rtx, enum memmodel);
-void expand_atomic_thread_fence (enum memmodel);
-void expand_atomic_signal_fence (enum memmodel);
-
\f
/* Functions from expmed.c: */
/* Emit insns to set X from Y. */
extern rtx_insn *emit_move_insn (rtx, rtx);
+extern rtx gen_move_insn (rtx, rtx);
/* Emit insns to set X from Y, with no frills. */
extern rtx_insn *emit_move_insn_1 (rtx, rtx);
extern bool split_comparison (enum rtx_code, machine_mode,
enum rtx_code *, enum rtx_code *);
-/* Call this once to initialize the contents of the optabs
- appropriately for the current target machine. */
-extern void init_optabs (void);
-extern void init_all_optabs (struct target_optabs *);
-
-/* Call this to initialize an optab function entry. */
-extern rtx init_one_libfunc (const char *);
-extern rtx set_user_assembler_libfunc (const char *, const char *);
-
-/* Build a decl for a libfunc named NAME. */
-extern tree build_libfunc_function (const char *);
-
/* Get the personality libfunc for a function decl. */
rtx get_personality_function (tree);
#ifndef GCC_OPTABS_H
#define GCC_OPTABS_H
-#include "insn-codes.h"
#include "insn-opinit.h"
-typedef enum optab_tag optab;
-typedef enum optab_tag convert_optab;
-typedef enum optab_tag direct_optab;
-
-struct optab_libcall_d
-{
- char libcall_suffix;
- const char *libcall_basename;
- void (*libcall_gen) (optab, const char *name,
- char suffix, machine_mode);
-};
-
-struct convert_optab_libcall_d
-{
- const char *libcall_basename;
- void (*libcall_gen) (convert_optab, const char *name,
- machine_mode, machine_mode);
-};
-
-/* Given an enum insn_code, access the function to construct
- the body of that kind of insn. */
-#define GEN_FCN(CODE) (insn_data[CODE].genfun)
-
-/* Contains the optab used for each rtx code, and vice-versa. */
-extern const optab code_to_optab_[NUM_RTX_CODE];
-extern const enum rtx_code optab_to_code_[NUM_OPTABS];
-
-static inline optab
-code_to_optab (enum rtx_code code)
-{
- return code_to_optab_[code];
-}
-
-static inline enum rtx_code
-optab_to_code (optab op)
-{
- return optab_to_code_[op];
-}
-
-extern const struct convert_optab_libcall_d convlib_def[NUM_CONVLIB_OPTABS];
-extern const struct optab_libcall_d normlib_def[NUM_NORMLIB_OPTABS];
-
-/* Returns the active icode for the given (encoded) optab. */
-extern enum insn_code raw_optab_handler (unsigned);
-extern bool swap_optab_enable (optab, machine_mode, bool);
-
-/* Target-dependent globals. */
-struct target_optabs {
- /* Patterns that are used by optabs that are enabled for this target. */
- bool pat_enable[NUM_OPTAB_PATTERNS];
-};
-
-extern struct target_optabs default_target_optabs;
-extern struct target_optabs *this_fn_optabs;
-#if SWITCHABLE_TARGET
-extern struct target_optabs *this_target_optabs;
-#else
-#define this_target_optabs (&default_target_optabs)
-#endif
-\f
-/* Define functions given in optabs.c. */
-
-extern rtx expand_widen_pattern_expr (sepops ops, rtx op0, rtx op1, rtx wide_op,
- rtx target, int unsignedp);
-
-extern rtx expand_ternary_op (machine_mode mode, optab ternary_optab,
- rtx op0, rtx op1, rtx op2, rtx target,
- int unsignedp);
-
-/* Expand a binary operation given optab and rtx operands. */
-extern rtx expand_binop (machine_mode, optab, rtx, rtx, rtx, int,
- enum optab_methods);
-
-extern rtx simplify_expand_binop (machine_mode mode, optab binoptab,
- rtx op0, rtx op1, rtx target, int unsignedp,
- enum optab_methods methods);
-
-extern bool force_expand_binop (machine_mode, optab, rtx, rtx, rtx, int,
- enum optab_methods);
-
-/* Expand a binary operation with both signed and unsigned forms. */
-extern rtx sign_expand_binop (machine_mode, optab, optab, rtx, rtx,
- rtx, int, enum optab_methods);
-
-/* Generate code to perform an operation on one operand with two results. */
-extern int expand_twoval_unop (optab, rtx, rtx, rtx, int);
-
-/* Generate code to perform an operation on two operands with two results. */
-extern int expand_twoval_binop (optab, rtx, rtx, rtx, rtx, int);
-
-/* Generate code to perform an operation on two operands with two
- results, using a library function. */
-extern bool expand_twoval_binop_libfunc (optab, rtx, rtx, rtx, rtx,
- enum rtx_code);
-
-/* Expand a unary arithmetic operation given optab rtx operand. */
-extern rtx expand_unop (machine_mode, optab, rtx, rtx, int);
-
-/* Expand the absolute value operation. */
-extern rtx expand_abs_nojump (machine_mode, rtx, rtx, int);
-extern rtx expand_abs (machine_mode, rtx, rtx, int, int);
-
-/* Expand the one's complement absolute value operation. */
-extern rtx expand_one_cmpl_abs_nojump (machine_mode, rtx, rtx);
-
-/* Expand the copysign operation. */
-extern rtx expand_copysign (rtx, rtx, rtx);
-
-/* Generate an instruction with a given INSN_CODE with an output and
- an input. */
-extern void emit_unop_insn (enum insn_code, rtx, rtx, enum rtx_code);
-extern bool maybe_emit_unop_insn (enum insn_code, rtx, rtx, enum rtx_code);
-
-/* Find a widening optab even if it doesn't widen as much as we want. */
-#define find_widening_optab_handler(A,B,C,D) \
- find_widening_optab_handler_and_mode (A, B, C, D, NULL)
-extern enum insn_code find_widening_optab_handler_and_mode (optab,
- machine_mode,
- machine_mode,
- int,
- machine_mode *);
-extern enum insn_code widening_optab_handler (optab, machine_mode,
- machine_mode);
-
-/* An extra flag to control optab_for_tree_code's behavior. This is needed to
- distinguish between machines with a vector shift that takes a scalar for the
- shift amount vs. machines that take a vector for the shift amount. */
-enum optab_subtype
-{
- optab_default,
- optab_scalar,
- optab_vector
-};
-
-/* Return the optab used for computing the given operation on the type given by
- the second argument. The third argument distinguishes between the types of
- vector shifts and rotates */
-extern optab optab_for_tree_code (enum tree_code, const_tree, enum optab_subtype);
-
-/* Given an optab that reduces a vector to a scalar, find instead the old
- optab that produces a vector with the reduction result in one element,
- for a tree with the specified type. */
-extern optab scalar_reduc_to_vector (optab, const_tree type);
-
-/* The various uses that a comparison can have; used by can_compare_p:
- jumps, conditional moves, store flag operations. */
-enum can_compare_purpose
-{
- ccp_jump,
- ccp_cmov,
- ccp_store_flag
-};
-
-/* Nonzero if a compare of mode MODE can be done straightforwardly
- (without splitting it into pieces). */
-extern int can_compare_p (enum rtx_code, machine_mode,
- enum can_compare_purpose);
-
-/* Return the INSN_CODE to use for an extend operation. */
-extern enum insn_code can_extend_p (machine_mode, machine_mode, int);
-
-/* Generate the body of an insn to extend Y (with mode MFROM)
- into X (with mode MTO). Do zero-extension if UNSIGNEDP is nonzero. */
-extern rtx gen_extend_insn (rtx, rtx, machine_mode,
- machine_mode, int);
-
-/* Call this to reset the function entry for one optab. */
-extern void set_optab_libfunc (optab, machine_mode, const char *);
-extern void set_conv_libfunc (convert_optab, machine_mode,
- machine_mode, const char *);
-
-/* Call this to install all of the __sync libcalls up to size MAX. */
-extern void init_sync_libfuncs (int max);
-
-/* Generate code for a FIXED_CONVERT_EXPR. */
-extern void expand_fixed_convert (rtx, rtx, int, int);
-
-/* Generate code for a FLOAT_EXPR. */
-extern void expand_float (rtx, rtx, int);
-
-/* Return the insn_code for a FLOAT_EXPR. */
-enum insn_code can_float_p (machine_mode, machine_mode, int);
-
-/* Return true if there is an inline compare and swap pattern. */
-extern bool can_compare_and_swap_p (machine_mode, bool);
-
-/* Return true if there is an inline atomic exchange pattern. */
-extern bool can_atomic_exchange_p (machine_mode, bool);
-
-/* Generate code for a compare and swap. */
-extern bool expand_atomic_compare_and_swap (rtx *, rtx *, rtx, rtx, rtx, bool,
- enum memmodel, enum memmodel);
-
-/* Generate memory barriers. */
-extern void expand_mem_thread_fence (enum memmodel);
-extern void expand_mem_signal_fence (enum memmodel);
-
-/* Check whether an operation represented by the code CODE is a
- convert operation that is supported by the target platform in
- vector form */
-bool supportable_convert_operation (enum tree_code, tree, tree, tree *,
- enum tree_code *);
-
-/* Generate code for a FIX_EXPR. */
-extern void expand_fix (rtx, rtx, int);
-
-/* Generate code for float to integral conversion. */
-extern bool expand_sfix_optab (rtx, rtx, convert_optab);
-
/* Generate code for a widening multiply. */
extern rtx expand_widening_mult (machine_mode, rtx, rtx, rtx, int, optab);
-/* Return tree if target supports vector operations for COND_EXPR. */
-bool expand_vec_cond_expr_p (tree, tree);
-
-/* Generate code for VEC_COND_EXPR. */
-extern rtx expand_vec_cond_expr (tree, tree, tree, tree, rtx);
-/* Generate code for VEC_RSHIFT_EXPR. */
-extern rtx expand_vec_shift_expr (sepops, rtx);
-
-/* Return true if target supports vector operations for VEC_PERM_EXPR. */
-extern bool can_vec_perm_p (machine_mode, bool, const unsigned char *);
-
-/* Generate code for VEC_PERM_EXPR. */
-extern rtx expand_vec_perm (machine_mode, rtx, rtx, rtx, rtx);
-
-/* Return non-zero if target supports a given highpart multiplication. */
-extern int can_mult_highpart_p (machine_mode, bool);
-
-/* Generate code for MULT_HIGHPART_EXPR. */
-extern rtx expand_mult_highpart (machine_mode, rtx, rtx, rtx, bool);
-
-/* Return true if target supports vector masked load/store for mode. */
-extern bool can_vec_mask_load_store_p (machine_mode, bool);
-
/* Return the insn used to implement mode MODE of OP, or CODE_FOR_nothing
if the target does not have such an insn. */
|| binoptab == smulv_optab);
}
-extern rtx optab_libfunc (optab optab, machine_mode mode);
-extern rtx convert_optab_libfunc (convert_optab optab, machine_mode mode1,
- machine_mode mode2);
+
/* Describes an instruction that inserts or extracts a bitfield. */
struct extraction_insn
machine_mode pos_mode;
};
-/* Enumerates the possible extraction_insn operations. */
-enum extraction_pattern { EP_insv, EP_extv, EP_extzv };
-
-extern bool get_best_reg_extraction_insn (extraction_insn *,
- enum extraction_pattern,
- unsigned HOST_WIDE_INT,
- machine_mode);
-extern bool get_best_mem_extraction_insn (extraction_insn *,
- enum extraction_pattern,
- HOST_WIDE_INT, HOST_WIDE_INT,
- machine_mode);
-extern bool insn_operand_matches (enum insn_code icode, unsigned int opno,
- rtx operand);
/* Describes the type of an expand_operand. Each value is associated
with a create_*_operand function; see the comments above those
create_expand_operand (op, EXPAND_CONVERT_FROM, value, mode, unsigned_p);
}
-extern void create_convert_operand_from_type (struct expand_operand *op,
- rtx value, tree type);
/* Make OP describe an input Pmode address operand. VALUE is the value
of the address, but it may need to be converted to Pmode first. */
create_expand_operand (op, EXPAND_INTEGER, GEN_INT (intval), VOIDmode, false);
}
-extern bool valid_multiword_target_p (rtx);
-extern bool maybe_legitimize_operands (enum insn_code icode,
- unsigned int opno, unsigned int nops,
- struct expand_operand *ops);
-extern rtx maybe_gen_insn (enum insn_code icode, unsigned int nops,
- struct expand_operand *ops);
-extern bool maybe_expand_insn (enum insn_code icode, unsigned int nops,
- struct expand_operand *ops);
-extern bool maybe_expand_jump_insn (enum insn_code icode, unsigned int nops,
- struct expand_operand *ops);
-extern void expand_insn (enum insn_code icode, unsigned int nops,
- struct expand_operand *ops);
-extern void expand_jump_insn (enum insn_code icode, unsigned int nops,
- struct expand_operand *ops);
+extern rtx convert_optab_libfunc (convert_optab optab, machine_mode mode1,
+ machine_mode mode2);
+extern rtx optab_libfunc (optab optab, machine_mode mode);
+extern enum insn_code widening_optab_handler (optab, machine_mode,
+ machine_mode);
+/* Find a widening optab even if it doesn't widen as much as we want. */
+#define find_widening_optab_handler(A,B,C,D) \
+ find_widening_optab_handler_and_mode (A, B, C, D, NULL)
+extern enum insn_code find_widening_optab_handler_and_mode (optab,
+ machine_mode,
+ machine_mode,
+ int,
+ machine_mode *);
+
+/* An extra flag to control optab_for_tree_code's behavior. This is needed to
+ distinguish between machines with a vector shift that takes a scalar for the
+ shift amount vs. machines that take a vector for the shift amount. */
+enum optab_subtype
+{
+ optab_default,
+ optab_scalar,
+ optab_vector
+};
+
+/* Passed to expand_simple_binop and expand_binop to say which options
+ to try to use if the requested operation can't be open-coded on the
+ requisite mode. Either OPTAB_LIB or OPTAB_LIB_WIDEN says try using
+ a library call. Either OPTAB_WIDEN or OPTAB_LIB_WIDEN says try
+ using a wider mode. OPTAB_MUST_WIDEN says try widening and don't
+ try anything else. */
+
+enum optab_methods
+{
+ OPTAB_DIRECT,
+ OPTAB_LIB,
+ OPTAB_WIDEN,
+ OPTAB_LIB_WIDEN,
+ OPTAB_MUST_WIDEN
+};
+
+/* Return the optab used for computing the given operation on the type given by
+ the second argument. The third argument distinguishes between the types of
+ vector shifts and rotates */
+extern optab optab_for_tree_code (enum tree_code, const_tree, enum optab_subtype);
+
+/* Given an optab that reduces a vector to a scalar, find instead the old
+ optab that produces a vector with the reduction result in one element,
+ for a tree with the specified type. */
+extern optab scalar_reduc_to_vector (optab, const_tree type);
+
+extern rtx expand_widen_pattern_expr (struct separate_ops *, rtx , rtx , rtx,
+ rtx, int);
+extern rtx expand_ternary_op (machine_mode mode, optab ternary_optab,
+ rtx op0, rtx op1, rtx op2, rtx target,
+ int unsignedp);
+extern rtx simplify_expand_binop (machine_mode mode, optab binoptab,
+ rtx op0, rtx op1, rtx target, int unsignedp,
+ enum optab_methods methods);
+extern bool force_expand_binop (machine_mode, optab, rtx, rtx, rtx, int,
+ enum optab_methods);
+/* Generate code for VEC_RSHIFT_EXPR. */
+extern rtx expand_vec_shift_expr (struct separate_ops *, rtx);
+
+/* Generate code for a simple binary or unary operation. "Simple" in
+ this case means "can be unambiguously described by a (mode, code)
+ pair and mapped to a single optab." */
+extern rtx expand_simple_binop (machine_mode, enum rtx_code, rtx,
+ rtx, rtx, int, enum optab_methods);
+
+/* Expand a binary operation given optab and rtx operands. */
+extern rtx expand_binop (machine_mode, optab, rtx, rtx, rtx, int,
+ enum optab_methods);
+/* Expand a binary operation with both signed and unsigned forms. */
+extern rtx sign_expand_binop (machine_mode, optab, optab, rtx, rtx,
+ rtx, int, enum optab_methods);
+
+/* Generate code to perform an operation on one operand with two results. */
+extern int expand_twoval_unop (optab, rtx, rtx, rtx, int);
+
+/* Generate code to perform an operation on two operands with two results. */
+extern int expand_twoval_binop (optab, rtx, rtx, rtx, rtx, int);
+
+/* Generate code to perform an operation on two operands with two
+ results, using a library function. */
+extern bool expand_twoval_binop_libfunc (optab, rtx, rtx, rtx, rtx,
+ enum rtx_code);
+extern rtx expand_simple_unop (machine_mode, enum rtx_code, rtx, rtx,
+ int);
+
+/* Expand a unary arithmetic operation given optab rtx operand. */
+extern rtx expand_unop (machine_mode, optab, rtx, rtx, int);
+
+/* Expand the absolute value operation. */
+extern rtx expand_abs_nojump (machine_mode, rtx, rtx, int);
+extern rtx expand_abs (machine_mode, rtx, rtx, int, int);
+
+/* Expand the one's complement absolute value operation. */
+extern rtx expand_one_cmpl_abs_nojump (machine_mode, rtx, rtx);
+
+/* Expand the copysign operation. */
+extern rtx expand_copysign (rtx, rtx, rtx);
+/* Generate an instruction with a given INSN_CODE with an output and
+ an input. */
+extern bool maybe_emit_unop_insn (enum insn_code, rtx, rtx, enum rtx_code);
+extern void emit_unop_insn (enum insn_code, rtx, rtx, enum rtx_code);
+
+/* Emit code to make a call to a constant function or a library call. */
+extern void emit_libcall_block (rtx, rtx, rtx, rtx);
+
+/* The various uses that a comparison can have; used by can_compare_p:
+ jumps, conditional moves, store flag operations. */
+enum can_compare_purpose
+{
+ ccp_jump,
+ ccp_cmov,
+ ccp_store_flag
+};
+
+/* Nonzero if a compare of mode MODE can be done straightforwardly
+ (without splitting it into pieces). */
+extern int can_compare_p (enum rtx_code, machine_mode,
+ enum can_compare_purpose);
extern rtx prepare_operand (enum insn_code, rtx, int, machine_mode,
machine_mode, int);
+/* Emit a pair of rtl insns to compare two rtx's and to jump
+ to a label if the comparison is true. */
+extern void emit_cmp_and_jump_insns (rtx, rtx, enum rtx_code, rtx,
+ machine_mode, int, rtx, int prob=-1);
+
+/* Generate code to indirectly jump to a location given in the rtx LOC. */
+extern void emit_indirect_jump (rtx);
+
+#include "insn-config.h"
+
+#ifndef GCC_INSN_CONFIG_H
+#error "insn-config.h must be included before optabs.h"
+#endif
+
+#ifdef HAVE_conditional_move
+/* Emit a conditional move operation. */
+rtx emit_conditional_move (rtx, enum rtx_code, rtx, rtx, machine_mode,
+ rtx, rtx, machine_mode, int);
+
+/* Return nonzero if the conditional move is supported. */
+int can_conditionally_move_p (machine_mode mode);
+
+#endif
+rtx emit_conditional_add (rtx, enum rtx_code, rtx, rtx, machine_mode,
+ rtx, rtx, machine_mode, int);
+
+/* Create but don't emit one rtl instruction to perform certain operations.
+ Modes must match; operands must meet the operation's predicates.
+ Likewise for subtraction and for just copying. */
+extern rtx gen_add2_insn (rtx, rtx);
+extern rtx gen_add3_insn (rtx, rtx, rtx);
+extern int have_add2_insn (rtx, rtx);
+extern rtx gen_addptr3_insn (rtx, rtx, rtx);
+extern int have_addptr3_insn (rtx, rtx, rtx);
+extern rtx gen_sub2_insn (rtx, rtx);
+extern rtx gen_sub3_insn (rtx, rtx, rtx);
+extern int have_sub2_insn (rtx, rtx);
+
+/* Return the INSN_CODE to use for an extend operation. */
+extern enum insn_code can_extend_p (machine_mode, machine_mode, int);
+
+/* Generate the body of an insn to extend Y (with mode MFROM)
+ into X (with mode MTO). Do zero-extension if UNSIGNEDP is nonzero. */
+extern rtx gen_extend_insn (rtx, rtx, machine_mode,
+ machine_mode, int);
+
+/* Return the insn_code for a FLOAT_EXPR. */
+enum insn_code can_float_p (machine_mode, machine_mode, int);
+
+/* Check whether an operation represented by the code CODE is a
+ convert operation that is supported by the target platform in
+ vector form */
+bool supportable_convert_operation (enum tree_code, tree, tree, tree *,
+ enum tree_code *);
+
+/* Generate code for a FLOAT_EXPR. */
+extern void expand_float (rtx, rtx, int);
+
+/* Generate code for a FIX_EXPR. */
+extern void expand_fix (rtx, rtx, int);
+
+/* Generate code for a FIXED_CONVERT_EXPR. */
+extern void expand_fixed_convert (rtx, rtx, int, int);
+
+/* Generate code for float to integral conversion. */
+extern bool expand_sfix_optab (rtx, rtx, convert_optab);
+
+/* Report whether the machine description contains an insn which can
+ perform the operation described by CODE and MODE. */
+extern int have_insn_for (enum rtx_code, machine_mode);
extern void gen_int_libfunc (optab, const char *, char, machine_mode);
extern void gen_fp_libfunc (optab, const char *, char, machine_mode);
extern void gen_satfractuns_conv_libfunc (convert_optab, const char *,
machine_mode,
machine_mode);
+
+/* Build a decl for a libfunc named NAME. */
+extern tree build_libfunc_function (const char *);
+
+/* Call this to initialize an optab function entry. */
+extern rtx init_one_libfunc (const char *);
+extern rtx set_user_assembler_libfunc (const char *, const char *);
+
+/* Call this to reset the function entry for one optab. */
+extern void set_optab_libfunc (optab, machine_mode, const char *);
+extern void set_conv_libfunc (convert_optab, machine_mode,
+ machine_mode, const char *);
+
+/* Call this once to initialize the contents of the optabs
+ appropriately for the current target machine. */
+extern void init_optabs (void);
extern void init_tree_optimization_optabs (tree);
+
+/* Call this to install all of the __sync libcalls up to size MAX. */
+extern void init_sync_libfuncs (int max);
+
+/* Generate a conditional trap instruction. */
+extern rtx gen_cond_trap (enum rtx_code, rtx, rtx, rtx);
+
+/* Return true if target supports vector operations for VEC_PERM_EXPR. */
+extern bool can_vec_perm_p (machine_mode, bool, const unsigned char *);
+
+/* Generate code for VEC_PERM_EXPR. */
+extern rtx expand_vec_perm (machine_mode, rtx, rtx, rtx, rtx);
+
+/* Return tree if target supports vector operations for COND_EXPR. */
+bool expand_vec_cond_expr_p (tree, tree);
+
+/* Generate code for VEC_COND_EXPR. */
+extern rtx expand_vec_cond_expr (tree, tree, tree, tree, rtx);
+
+/* Return non-zero if target supports a given highpart multiplication. */
+extern int can_mult_highpart_p (machine_mode, bool);
+
+/* Generate code for MULT_HIGHPART_EXPR. */
+extern rtx expand_mult_highpart (machine_mode, rtx, rtx, rtx, bool);
+
+/* Return true if target supports vector masked load/store for mode. */
+extern bool can_vec_mask_load_store_p (machine_mode, bool);
+
+/* Return true if there is an inline compare and swap pattern. */
+extern bool can_compare_and_swap_p (machine_mode, bool);
+
+/* Return true if there is an inline atomic exchange pattern. */
+extern bool can_atomic_exchange_p (machine_mode, bool);
+
+extern rtx expand_sync_lock_test_and_set (rtx, rtx, rtx);
+extern rtx expand_atomic_test_and_set (rtx, rtx, enum memmodel);
+extern rtx expand_atomic_exchange (rtx, rtx, rtx, enum memmodel);
+extern bool expand_atomic_compare_and_swap (rtx *, rtx *, rtx, rtx, rtx, bool,
+ enum memmodel, enum memmodel);
+/* Generate memory barriers. */
+extern void expand_mem_thread_fence (enum memmodel);
+extern void expand_mem_signal_fence (enum memmodel);
+
+rtx expand_atomic_load (rtx, rtx, enum memmodel);
+rtx expand_atomic_store (rtx, rtx, enum memmodel, bool);
+rtx expand_atomic_fetch_op (rtx, rtx, rtx, enum rtx_code, enum memmodel,
+ bool);
+
+extern bool insn_operand_matches (enum insn_code icode, unsigned int opno,
+ rtx operand);
+extern bool valid_multiword_target_p (rtx);
+extern void create_convert_operand_from_type (struct expand_operand *op,
+ rtx value, tree type);
+extern bool maybe_legitimize_operands (enum insn_code icode,
+ unsigned int opno, unsigned int nops,
+ struct expand_operand *ops);
+extern rtx maybe_gen_insn (enum insn_code icode, unsigned int nops,
+ struct expand_operand *ops);
+extern bool maybe_expand_insn (enum insn_code icode, unsigned int nops,
+ struct expand_operand *ops);
+extern bool maybe_expand_jump_insn (enum insn_code icode, unsigned int nops,
+ struct expand_operand *ops);
+extern void expand_insn (enum insn_code icode, unsigned int nops,
+ struct expand_operand *ops);
+extern void expand_jump_insn (enum insn_code icode, unsigned int nops,
+ struct expand_operand *ops);
+
+/* Enumerates the possible extraction_insn operations. */
+enum extraction_pattern { EP_insv, EP_extv, EP_extzv };
+
+extern bool get_best_reg_extraction_insn (extraction_insn *,
+ enum extraction_pattern,
+ unsigned HOST_WIDE_INT,
+ machine_mode);
+extern bool get_best_mem_extraction_insn (extraction_insn *,
+ enum extraction_pattern,
+ HOST_WIDE_INT, HOST_WIDE_INT,
+ machine_mode);
+
extern bool lshift_cheap_p (bool);
#endif /* GCC_OPTABS_H */
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