/* Definitions for code generation pass of GNU compiler.
- Copyright (C) 2001 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of GCC.
A few optabs, such as move_optab and cmp_optab, are used
by special code. */
-typedef struct optab
+struct optab GTY(())
{
enum rtx_code code;
- struct {
+ struct optab_handlers {
enum insn_code insn_code;
rtx libfunc;
} handlers [NUM_MACHINE_MODES];
-} * optab;
+};
+typedef struct optab * optab;
/* Given an enum insn_code, access the function to construct
the body of that kind of insn. */
/* Arithmetic shift left */
OTI_ashl,
/* Logical shift right */
- OTI_lshr,
+ OTI_lshr,
/* Arithmetic shift right */
OTI_ashr,
/* Rotate left */
OTI_umin,
/* Unsigned maximum value */
OTI_umax,
+ /* Power */
+ OTI_pow,
+ /* Arc tangent of y/x */
+ OTI_atan2,
/* Move instruction. */
OTI_mov,
OTI_absv,
/* Bitwise not */
OTI_one_cmpl,
- /* Find first bit set */
+ /* Bit scanning and counting */
OTI_ffs,
+ OTI_clz,
+ OTI_ctz,
+ OTI_popcount,
+ OTI_parity,
/* Square root */
OTI_sqrt,
/* Sine */
OTI_sin,
/* Cosine */
OTI_cos,
+ /* Exponential */
+ OTI_exp,
+ /* Natural Logarithm */
+ OTI_log,
+ /* Rounding functions */
+ OTI_floor,
+ OTI_ceil,
+ OTI_trunc,
+ OTI_round,
+ OTI_nearbyint,
+ /* Tangent */
+ OTI_tan,
+ /* Inverse tangent */
+ OTI_atan,
/* Compare insn; two operands. */
OTI_cmp,
OTI_cbranch,
OTI_cmov,
OTI_cstore,
-
+
/* Push instruction. */
OTI_push,
+ /* Conditional add instruction. */
+ OTI_addcc,
+
OTI_MAX
};
-extern optab optab_table[OTI_MAX];
+extern GTY(()) optab optab_table[OTI_MAX];
#define add_optab (optab_table[OTI_add])
#define sub_optab (optab_table[OTI_sub])
#define smax_optab (optab_table[OTI_smax])
#define umin_optab (optab_table[OTI_umin])
#define umax_optab (optab_table[OTI_umax])
+#define pow_optab (optab_table[OTI_pow])
+#define atan2_optab (optab_table[OTI_atan2])
#define mov_optab (optab_table[OTI_mov])
#define movstrict_optab (optab_table[OTI_movstrict])
#define absv_optab (optab_table[OTI_absv])
#define one_cmpl_optab (optab_table[OTI_one_cmpl])
#define ffs_optab (optab_table[OTI_ffs])
+#define clz_optab (optab_table[OTI_clz])
+#define ctz_optab (optab_table[OTI_ctz])
+#define popcount_optab (optab_table[OTI_popcount])
+#define parity_optab (optab_table[OTI_parity])
#define sqrt_optab (optab_table[OTI_sqrt])
#define sin_optab (optab_table[OTI_sin])
#define cos_optab (optab_table[OTI_cos])
+#define exp_optab (optab_table[OTI_exp])
+#define log_optab (optab_table[OTI_log])
+#define floor_optab (optab_table[OTI_floor])
+#define ceil_optab (optab_table[OTI_ceil])
+#define trunc_optab (optab_table[OTI_trunc])
+#define round_optab (optab_table[OTI_round])
+#define nearbyint_optab (optab_table[OTI_nearbyint])
+#define tan_optab (optab_table[OTI_tan])
+#define atan_optab (optab_table[OTI_atan])
#define cmp_optab (optab_table[OTI_cmp])
#define ucmp_optab (optab_table[OTI_ucmp])
#define cmov_optab (optab_table[OTI_cmov])
#define cstore_optab (optab_table[OTI_cstore])
#define push_optab (optab_table[OTI_push])
+#define addcc_optab (optab_table[OTI_addcc])
/* Tables of patterns for extending one integer mode to another. */
extern enum insn_code extendtab[MAX_MACHINE_MODE][MAX_MACHINE_MODE][2];
-/* Tables of patterns for converting between fixed and floating point. */
+/* Tables of patterns for converting between fixed and floating point. */
extern enum insn_code fixtab[NUM_MACHINE_MODES][NUM_MACHINE_MODES][2];
extern enum insn_code fixtrunctab[NUM_MACHINE_MODES][NUM_MACHINE_MODES][2];
extern enum insn_code floattab[NUM_MACHINE_MODES][NUM_MACHINE_MODES][2];
extern enum insn_code reload_out_optab[NUM_MACHINE_MODES];
/* Contains the optab used for each rtx code. */
-extern optab code_to_optab[NUM_RTX_CODE + 1];
+extern GTY(()) optab code_to_optab[NUM_RTX_CODE + 1];
\f
-typedef rtx (*rtxfun) PARAMS ((rtx));
+typedef rtx (*rtxfun) (rtx);
/* Indexed by the rtx-code for a conditional (eg. EQ, LT,...)
gives the gen_function to make a branch to test that condition. */
/* Define functions given in optabs.c. */
/* Expand a binary operation given optab and rtx operands. */
-extern rtx expand_binop PARAMS ((enum machine_mode, optab, rtx, rtx, rtx,
- int, enum optab_methods));
+extern rtx expand_binop (enum 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 PARAMS ((enum machine_mode, optab, optab, rtx,
- rtx, rtx, int, enum optab_methods));
+extern rtx sign_expand_binop (enum machine_mode, optab, optab, rtx, rtx,
+ rtx, int, enum optab_methods);
/* Generate code to perform an operation on two operands with two results. */
-extern int expand_twoval_binop PARAMS ((optab, rtx, rtx, rtx, rtx, int));
+extern int expand_twoval_binop (optab, rtx, rtx, rtx, rtx, int);
/* Expand a unary arithmetic operation given optab rtx operand. */
-extern rtx expand_unop PARAMS ((enum machine_mode, optab, rtx, rtx, int));
+extern rtx expand_unop (enum machine_mode, optab, rtx, rtx, int);
/* Expand the absolute value operation. */
-extern rtx expand_abs PARAMS ((enum machine_mode, rtx, rtx, int, int));
+extern rtx expand_abs_nojump (enum machine_mode, rtx, rtx, int);
+extern rtx expand_abs (enum machine_mode, rtx, rtx, int, int);
/* Expand the complex absolute value operation. */
-extern rtx expand_complex_abs PARAMS ((enum machine_mode, rtx, rtx, int));
+extern rtx expand_complex_abs (enum machine_mode, rtx, rtx, int);
/* Generate an instruction with a given INSN_CODE with an output and
an input. */
-extern void emit_unop_insn PARAMS ((int, rtx, rtx, enum rtx_code));
+extern void emit_unop_insn (int, rtx, rtx, enum rtx_code);
/* Emit code to perform a series of operations on a multi-word quantity, one
word at a time. */
-extern rtx emit_no_conflict_block PARAMS ((rtx, rtx, rtx, rtx, rtx));
+extern rtx emit_no_conflict_block (rtx, rtx, rtx, rtx, rtx);
/* Emit one rtl instruction to store zero in specified rtx. */
-extern void emit_clr_insn PARAMS ((rtx));
+extern void emit_clr_insn (rtx);
/* Emit one rtl insn to store 1 in specified rtx assuming it contains 0. */
-extern void emit_0_to_1_insn PARAMS ((rtx));
+extern void emit_0_to_1_insn (rtx);
/* Emit one rtl insn to compare two rtx's. */
-extern void emit_cmp_insn PARAMS ((rtx, rtx, enum rtx_code, rtx,
- enum machine_mode, int, unsigned int));
+extern void emit_cmp_insn (rtx, rtx, enum rtx_code, rtx, enum machine_mode,
+ int);
/* The various uses that a comparison can have; used by can_compare_p:
jumps, conditional moves, store flag operations. */
/* Nonzero if a compare of mode MODE can be done straightforwardly
(without splitting it into pieces). */
-extern int can_compare_p PARAMS ((enum rtx_code, enum machine_mode,
- enum can_compare_purpose));
-
-extern void prepare_cmp_insn PARAMS ((rtx *, rtx *, enum rtx_code *, rtx,
- enum machine_mode *, int *, int,
- enum can_compare_purpose));
+extern int can_compare_p (enum rtx_code, enum machine_mode,
+ enum can_compare_purpose);
-extern rtx prepare_operand PARAMS ((int, rtx, int, enum machine_mode,
- enum machine_mode, int));
+extern rtx prepare_operand (int, rtx, int, enum machine_mode,
+ enum machine_mode, int);
/* Return the INSN_CODE to use for an extend operation. */
-extern enum insn_code can_extend_p PARAMS ((enum machine_mode,
- enum machine_mode, int));
+extern enum insn_code can_extend_p (enum machine_mode, enum 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 PARAMS ((rtx, rtx, enum machine_mode,
- enum machine_mode, int));
+extern rtx gen_extend_insn (rtx, rtx, enum machine_mode,
+ enum machine_mode, int);
/* Initialize the tables that control conversion between fixed and
floating values. */
-extern void init_fixtab PARAMS ((void));
-extern void init_floattab PARAMS ((void));
+extern void init_fixtab (void);
+extern void init_floattab (void);
/* Generate code for a FLOAT_EXPR. */
-extern void expand_float PARAMS ((rtx, rtx, int));
+extern void expand_float (rtx, rtx, int);
/* Generate code for a FIX_EXPR. */
-extern void expand_fix PARAMS ((rtx, rtx, int));
+extern void expand_fix (rtx, rtx, int);
#endif /* GCC_OPTABS_H */