/* Definitions for code generation pass of GNU compiler.
- Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Free Software Foundation, Inc.
This file is part of GCC.
The `lib_call' slot is the name of the library function that
can be used to perform the operation.
- A few optabs, such as move_optab and cmp_optab, are used
- by special code. */
+ A few optabs, such as move_optab, are used by special code. */
struct optab_handlers
{
enum insn_code insn_code;
};
-struct optab
+struct optab_d
{
enum rtx_code code;
const char *libcall_basename;
char libcall_suffix;
- void (*libcall_gen)(struct optab *, const char *name, char suffix, enum machine_mode);
+ void (*libcall_gen)(struct optab_d *, const char *name, char suffix,
+ enum machine_mode);
struct optab_handlers handlers[NUM_MACHINE_MODES];
};
-typedef struct optab * optab;
+typedef struct optab_d * optab;
/* A convert_optab is for some sort of conversion operation between
modes. The first array index is the destination mode, the second
is the source mode. */
-struct convert_optab
+struct convert_optab_d
{
enum rtx_code code;
const char *libcall_basename;
- void (*libcall_gen)(struct convert_optab *, const char *name,
+ void (*libcall_gen)(struct convert_optab_d *, const char *name,
enum machine_mode,
enum machine_mode);
struct optab_handlers handlers[NUM_MACHINE_MODES][NUM_MACHINE_MODES];
};
-typedef struct convert_optab *convert_optab;
+typedef struct convert_optab_d *convert_optab;
/* Given an enum insn_code, access the function to construct
the body of that kind of insn. */
OTI_ldexp,
/* Multiply floating-point number by integral power of radix */
OTI_scalb,
+ /* Mantissa of a floating-point number */
+ OTI_significand,
/* Radix-independent exponent */
OTI_logb,
OTI_ilogb,
/* Test for infinite value */
OTI_isinf,
- /* Compare insn; two operands. */
+ /* Compare insn; two operands. Used only for libcalls. */
OTI_cmp,
- /* Used only for libcalls for unsigned comparisons. */
OTI_ucmp,
- /* tst insn; compare one operand against 0 */
- OTI_tst,
/* Floating point comparison optabs - used primarily for libfuncs */
OTI_eq,
/* String length */
OTI_strlen,
- /* Combined compare & jump/store flags/move operations. */
+ /* Combined compare & jump/move/store flags/trap operations. */
OTI_cbranch,
OTI_cmov,
OTI_cstore,
+ OTI_ctrap,
/* Push instruction. */
OTI_push,
OTI_MAX
};
-extern struct optab optab_table[OTI_MAX];
+extern struct optab_d optab_table[OTI_MAX];
#define ssadd_optab (&optab_table[OTI_ssadd])
#define usadd_optab (&optab_table[OTI_usadd])
#define expm1_optab (&optab_table[OTI_expm1])
#define ldexp_optab (&optab_table[OTI_ldexp])
#define scalb_optab (&optab_table[OTI_scalb])
+#define significand_optab (&optab_table[OTI_significand])
#define logb_optab (&optab_table[OTI_logb])
#define ilogb_optab (&optab_table[OTI_ilogb])
#define log_optab (&optab_table[OTI_log])
#define cmp_optab (&optab_table[OTI_cmp])
#define ucmp_optab (&optab_table[OTI_ucmp])
-#define tst_optab (&optab_table[OTI_tst])
#define eq_optab (&optab_table[OTI_eq])
#define ne_optab (&optab_table[OTI_ne])
#define cbranch_optab (&optab_table[OTI_cbranch])
#define cmov_optab (&optab_table[OTI_cmov])
#define cstore_optab (&optab_table[OTI_cstore])
+#define ctrap_optab (&optab_table[OTI_ctrap])
+
#define push_optab (&optab_table[OTI_push])
#define addcc_optab (&optab_table[OTI_addcc])
COI_MAX
};
-extern struct convert_optab convert_optab_table[COI_MAX];
+extern struct convert_optab_d convert_optab_table[COI_MAX];
#define sext_optab (&convert_optab_table[COI_sext])
#define zext_optab (&convert_optab_table[COI_zext])
\f
typedef rtx (*rtxfun) (rtx);
-/* Indexed by the rtx-code for a conditional (e.g. EQ, LT,...)
- gives the gen_function to make a branch to test that condition. */
-
-extern rtxfun bcc_gen_fctn[NUM_RTX_CODE];
-
-/* Indexed by the rtx-code for a conditional (e.g. EQ, LT,...)
- gives the insn code to make a store-condition insn
- to test that condition. */
-
-extern enum insn_code setcc_gen_code[NUM_RTX_CODE];
-
#ifdef HAVE_conditional_move
/* Indexed by the machine mode, gives the insn code to make a conditional
move insn. */
/* Atomic compare and swap. */
extern enum insn_code sync_compare_and_swap[NUM_MACHINE_MODES];
-extern enum insn_code sync_compare_and_swap_cc[NUM_MACHINE_MODES];
/* Atomic exchange with acquire semantics. */
extern enum insn_code sync_lock_test_and_set[NUM_MACHINE_MODES];
/* Generate an instruction with a given INSN_CODE with an output and
an input. */
extern void emit_unop_insn (int, rtx, rtx, enum rtx_code);
-
-/* Emit one rtl insn to compare two rtx's. */
-extern void emit_cmp_insn (rtx, rtx, enum rtx_code, rtx, enum machine_mode,
- int);
+extern bool maybe_emit_unop_insn (int, rtx, rtx, enum rtx_code);
/* 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
(&(optab)->handlers[(int) (mode)][(int) (mode2)])
extern rtx optab_libfunc (optab optab, enum machine_mode mode);
-extern rtx optab_libfunc (optab optab, enum machine_mode mode);
extern rtx convert_optab_libfunc (convert_optab optab, enum machine_mode mode1,
enum machine_mode mode2);
#endif /* GCC_OPTABS_H */