/* Definitions for code generation pass of GNU compiler.
- Copyright (C) 2001 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2002, 2003, 2004, 2005 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_handlers GTY(())
+{
+ enum insn_code insn_code;
+ rtx libfunc;
+};
+
+struct optab GTY(())
{
enum rtx_code code;
- struct {
- enum insn_code insn_code;
- rtx libfunc;
- } handlers [NUM_MACHINE_MODES];
-} * optab;
+ struct optab_handlers handlers[NUM_MACHINE_MODES];
+};
+typedef struct optab * 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 GTY(())
+{
+ enum rtx_code code;
+ struct optab_handlers handlers[NUM_MACHINE_MODES][NUM_MACHINE_MODES];
+};
+typedef struct convert_optab *convert_optab;
/* Given an enum insn_code, access the function to construct
the body of that kind of insn. */
-#define GEN_FCN(CODE) (*insn_data[(int) (CODE)].genfun)
+#define GEN_FCN(CODE) (insn_data[CODE].genfun)
/* Enumeration of valid indexes into optab_table. */
enum optab_index
/* Signed remainder */
OTI_smod,
OTI_umod,
+ /* Floating point remainder functions */
+ OTI_fmod,
+ OTI_drem,
/* Convert float to integer in float fmt */
OTI_ftrunc,
/* 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,
/* Move, preserving high part of register. */
OTI_movstrict,
+ /* Move, with a misaligned memory. */
+ OTI_movmisalign,
/* Unary operations */
/* Negation */
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-Cosine */
+ OTI_sincos,
/* Sine */
OTI_sin,
+ /* Inverse sine */
+ OTI_asin,
/* Cosine */
OTI_cos,
+ /* Inverse cosine */
+ OTI_acos,
+ /* Exponential */
+ OTI_exp,
+ /* Base-10 Exponential */
+ OTI_exp10,
+ /* Base-2 Exponential */
+ OTI_exp2,
+ /* Exponential - 1*/
+ OTI_expm1,
+ /* Load exponent of a floating point number */
+ OTI_ldexp,
+ /* Radix-independent exponent */
+ OTI_logb,
+ OTI_ilogb,
+ /* Natural Logarithm */
+ OTI_log,
+ /* Base-10 Logarithm */
+ OTI_log10,
+ /* Base-2 Logarithm */
+ OTI_log2,
+ /* logarithm of 1 plus argument */
+ OTI_log1p,
+ /* Rounding functions */
+ OTI_floor,
+ OTI_ceil,
+ OTI_btrunc,
+ OTI_round,
+ OTI_nearbyint,
+ OTI_rint,
+ /* Tangent */
+ OTI_tan,
+ /* Inverse tangent */
+ OTI_atan,
+ /* Copy sign */
+ OTI_copysign,
/* Compare insn; two operands. */
OTI_cmp,
/* tst insn; compare one operand against 0 */
OTI_tst,
+ /* Floating point comparison optabs - used primarily for libfuncs */
+ OTI_eq,
+ OTI_ne,
+ OTI_gt,
+ OTI_ge,
+ OTI_lt,
+ OTI_le,
+ OTI_unord,
+
/* String length */
OTI_strlen,
OTI_cbranch,
OTI_cmov,
OTI_cstore,
-
+
/* Push instruction. */
OTI_push,
+ /* Conditional add instruction. */
+ OTI_addcc,
+
+ /* Set specified field of vector operand. */
+ OTI_vec_set,
+ /* Extract specified field of vector operand. */
+ OTI_vec_extract,
+ /* Initialize vector operand. */
+ OTI_vec_init,
+ /* Extract specified elements from vectors, for vector load. */
+ OTI_vec_realign_load,
+
+ /* Perform a raise to the power of integer. */
+ OTI_powi,
+
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 udivmod_optab (optab_table[OTI_udivmod])
#define smod_optab (optab_table[OTI_smod])
#define umod_optab (optab_table[OTI_umod])
+#define fmod_optab (optab_table[OTI_fmod])
+#define drem_optab (optab_table[OTI_drem])
#define ftrunc_optab (optab_table[OTI_ftrunc])
#define and_optab (optab_table[OTI_and])
#define ior_optab (optab_table[OTI_ior])
#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 movmisalign_optab (optab_table[OTI_movmisalign])
#define neg_optab (optab_table[OTI_neg])
#define negv_optab (optab_table[OTI_negv])
#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 sincos_optab (optab_table[OTI_sincos])
#define sin_optab (optab_table[OTI_sin])
+#define asin_optab (optab_table[OTI_asin])
#define cos_optab (optab_table[OTI_cos])
+#define acos_optab (optab_table[OTI_acos])
+#define exp_optab (optab_table[OTI_exp])
+#define exp10_optab (optab_table[OTI_exp10])
+#define exp2_optab (optab_table[OTI_exp2])
+#define expm1_optab (optab_table[OTI_expm1])
+#define ldexp_optab (optab_table[OTI_ldexp])
+#define logb_optab (optab_table[OTI_logb])
+#define ilogb_optab (optab_table[OTI_ilogb])
+#define log_optab (optab_table[OTI_log])
+#define log10_optab (optab_table[OTI_log10])
+#define log2_optab (optab_table[OTI_log2])
+#define log1p_optab (optab_table[OTI_log1p])
+#define floor_optab (optab_table[OTI_floor])
+#define ceil_optab (optab_table[OTI_ceil])
+#define btrunc_optab (optab_table[OTI_btrunc])
+#define round_optab (optab_table[OTI_round])
+#define nearbyint_optab (optab_table[OTI_nearbyint])
+#define rint_optab (optab_table[OTI_rint])
+#define tan_optab (optab_table[OTI_tan])
+#define atan_optab (optab_table[OTI_atan])
+#define copysign_optab (optab_table[OTI_copysign])
#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 gt_optab (optab_table[OTI_gt])
+#define ge_optab (optab_table[OTI_ge])
+#define lt_optab (optab_table[OTI_lt])
+#define le_optab (optab_table[OTI_le])
+#define unord_optab (optab_table[OTI_unord])
+
#define strlen_optab (optab_table[OTI_strlen])
#define cbranch_optab (optab_table[OTI_cbranch])
#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])
+
+#define vec_set_optab (optab_table[OTI_vec_set])
+#define vec_extract_optab (optab_table[OTI_vec_extract])
+#define vec_init_optab (optab_table[OTI_vec_init])
+#define vec_realign_load_optab (optab_table[OTI_vec_realign_load])
+
+#define powi_optab (optab_table[OTI_powi])
+
+/* Conversion optabs have their own table and indexes. */
+enum convert_optab_index
+{
+ CTI_sext,
+ CTI_zext,
+ CTI_trunc,
-/* Tables of patterns for extending one integer mode to another. */
-extern enum insn_code extendtab[MAX_MACHINE_MODE][MAX_MACHINE_MODE][2];
+ CTI_sfix,
+ CTI_ufix,
-/* 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];
+ CTI_sfixtrunc,
+ CTI_ufixtrunc,
+
+ CTI_sfloat,
+ CTI_ufloat,
+
+ CTI_MAX
+};
+
+extern GTY(()) convert_optab convert_optab_table[CTI_MAX];
+
+#define sext_optab (convert_optab_table[CTI_sext])
+#define zext_optab (convert_optab_table[CTI_zext])
+#define trunc_optab (convert_optab_table[CTI_trunc])
+#define sfix_optab (convert_optab_table[CTI_sfix])
+#define ufix_optab (convert_optab_table[CTI_ufix])
+#define sfixtrunc_optab (convert_optab_table[CTI_sfixtrunc])
+#define ufixtrunc_optab (convert_optab_table[CTI_ufixtrunc])
+#define sfloat_optab (convert_optab_table[CTI_sfloat])
+#define ufloat_optab (convert_optab_table[CTI_ufloat])
/* These arrays record the insn_code of insns that may be needed to
perform input and output reloads of special objects. They provide a
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,...)
+/* 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 (eg. EQ, LT,...)
+/* 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 movcc_gen_code[NUM_MACHINE_MODES];
#endif
+/* Indexed by the machine mode, gives the insn code for vector conditional
+ operation. */
+
+extern enum insn_code vcond_gen_code[NUM_MACHINE_MODES];
+extern enum insn_code vcondu_gen_code[NUM_MACHINE_MODES];
+
/* This array records the insn_code of insns to perform block moves. */
-extern enum insn_code movstr_optab[NUM_MACHINE_MODES];
+extern enum insn_code movmem_optab[NUM_MACHINE_MODES];
/* This array records the insn_code of insns to perform block clears. */
-extern enum insn_code clrstr_optab[NUM_MACHINE_MODES];
+extern enum insn_code clrmem_optab[NUM_MACHINE_MODES];
+
+/* These arrays record the insn_code of two different kinds of insns
+ to perform block compares. */
+extern enum insn_code cmpstr_optab[NUM_MACHINE_MODES];
+extern enum insn_code cmpmem_optab[NUM_MACHINE_MODES];
/* Define functions given in optabs.c. */
+extern rtx expand_ternary_op (enum 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 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);
+
+extern bool force_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 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 PARAMS ((optab, rtx, rtx, rtx, rtx, int));
+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 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));
+/* Expand the copysign operation. */
+extern rtx expand_copysign (rtx, rtx, rtx);
+extern rtx expand_copysign_absneg (enum machine_mode, rtx, rtx, rtx, int, bool);
/* 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));
-
-/* Emit one rtl instruction to store zero in specified rtx. */
-extern void emit_clr_insn PARAMS ((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 rtx emit_no_conflict_block (rtx, rtx, rtx, rtx, 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));
+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. */
ccp_store_flag
};
+/* Return the optab used for computing the given operation on the type
+ given by the second argument. */
+extern optab optab_for_tree_code (enum tree_code, tree);
+
/* 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 rtx prepare_operand PARAMS ((int, rtx, int, enum machine_mode,
- enum machine_mode, int));
+extern int can_compare_p (enum rtx_code, enum machine_mode,
+ enum can_compare_purpose);
/* 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));
+/* Call this to reset the function entry for one optab. */
+extern void set_optab_libfunc (optab, enum machine_mode, const char *);
+extern void set_conv_libfunc (convert_optab, enum machine_mode,
+ enum machine_mode, const char *);
/* 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);
+
+/* Return tree if target supports vector operations for COND_EXPR. */
+bool expand_vec_cond_expr_p (tree, enum machine_mode);
+
+/* Generate code for VEC_COND_EXPR. */
+extern rtx expand_vec_cond_expr (tree, rtx);
#endif /* GCC_OPTABS_H */
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