--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/optabs.h	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,802 @@
+/* Definitions for code generation pass of GNU compiler.
+   Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+   Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#ifndef GCC_OPTABS_H
+#define GCC_OPTABS_H
+
+#include "insn-codes.h"
+
+/* Optabs are tables saying how to generate insn bodies
+   for various machine modes and numbers of operands.
+   Each optab applies to one operation.
+
+   For example, add_optab applies to addition.
+
+   The insn_code slot is the enum insn_code that says how to
+   generate an insn for this operation on a particular machine mode.
+   It is CODE_FOR_nothing if there is no such insn on the target machine.
+
+   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.  */
+
+struct optab_handlers
+{
+  enum insn_code insn_code;
+};
+
+struct optab
+{
+  enum rtx_code code;
+  const char *libcall_basename;
+  char libcall_suffix;
+  void (*libcall_gen)(struct optab *, const char *name, char suffix, enum machine_mode);
+  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
+{
+  enum rtx_code code;
+  const char *libcall_basename;
+  void (*libcall_gen)(struct convert_optab *, 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;
+
+/* 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)
+
+/* Enumeration of valid indexes into optab_table.  */
+enum optab_index
+{
+  /* Fixed-point operators with signed/unsigned saturation */
+  OTI_ssadd,
+  OTI_usadd,
+  OTI_sssub,
+  OTI_ussub,
+  OTI_ssmul,
+  OTI_usmul,
+  OTI_ssdiv,
+  OTI_usdiv,
+  OTI_ssneg,
+  OTI_usneg,
+  OTI_ssashl,
+  OTI_usashl,
+
+  OTI_add,
+  OTI_addv,
+  OTI_sub,
+  OTI_subv,
+
+  /* Signed and fp multiply */
+  OTI_smul,
+  OTI_smulv,
+  /* Signed multiply, return high word */
+  OTI_smul_highpart,
+  OTI_umul_highpart,
+  /* Signed multiply with result one machine mode wider than args */
+  OTI_smul_widen,
+  OTI_umul_widen,
+  /* Widening multiply of one unsigned and one signed operand.  */
+  OTI_usmul_widen,
+  /* Signed multiply and add with the result and addend one machine mode
+     wider than the multiplicand and multiplier.  */
+  OTI_smadd_widen,
+  /* Unsigned multiply and add with the result and addend one machine mode
+     wider than the multiplicand and multiplier.  */
+  OTI_umadd_widen,
+  /* Signed multiply and add with the result and addend one machine mode
+     wider than the multiplicand and multiplier.
+     All involved operations are saturating.  */
+  OTI_ssmadd_widen,
+  /* Unsigned multiply and add with the result and addend one machine mode
+     wider than the multiplicand and multiplier.
+     All involved operations are saturating.  */
+  OTI_usmadd_widen,
+  /* Signed multiply and subtract the result and minuend one machine mode
+     wider than the multiplicand and multiplier.  */
+  OTI_smsub_widen,
+  /* Unsigned multiply and subtract the result and minuend one machine mode
+     wider than the multiplicand and multiplier.  */
+  OTI_umsub_widen,
+  /* Signed multiply and subtract the result and minuend one machine mode
+     wider than the multiplicand and multiplier.
+     All involved operations are saturating.  */
+  OTI_ssmsub_widen,
+  /* Unsigned multiply and subtract the result and minuend one machine mode
+     wider than the multiplicand and multiplier.
+     All involved operations are saturating.  */
+  OTI_usmsub_widen,
+
+  /* Signed divide */
+  OTI_sdiv,
+  OTI_sdivv,
+  /* Signed divide-and-remainder in one */
+  OTI_sdivmod,
+  OTI_udiv,
+  OTI_udivmod,
+  /* Signed remainder */
+  OTI_smod,
+  OTI_umod,
+  /* Floating point remainder functions */
+  OTI_fmod,
+  OTI_remainder,
+  /* Convert float to integer in float fmt */
+  OTI_ftrunc,
+
+  /* Logical and */
+  OTI_and,
+  /* Logical or */
+  OTI_ior,
+  /* Logical xor */
+  OTI_xor,
+
+  /* Arithmetic shift left */
+  OTI_ashl,
+  /* Logical shift right */
+  OTI_lshr,
+  /* Arithmetic shift right */
+  OTI_ashr,
+  /* Rotate left */
+  OTI_rotl,
+  /* Rotate right */
+  OTI_rotr,
+
+  /* Arithmetic shift left of vector by vector */
+  OTI_vashl,
+  /* Logical shift right of vector by vector */
+  OTI_vlshr,
+  /* Arithmetic shift right of vector by vector */
+  OTI_vashr,
+  /* Rotate left of vector by vector */
+  OTI_vrotl,
+  /* Rotate right of vector by vector */
+  OTI_vrotr,
+
+  /* Signed and floating-point minimum value */
+  OTI_smin,
+  /* Signed and floating-point maximum value */
+  OTI_smax,
+  /* Unsigned minimum value */
+  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,
+  /* Nontemporal store.  */
+  OTI_storent,
+
+  /* Unary operations */
+  /* Negation */
+  OTI_neg,
+  OTI_negv,
+  /* Abs value */
+  OTI_abs,
+  OTI_absv,
+  /* Byteswap */
+  OTI_bswap,
+  /* Bitwise not */
+  OTI_one_cmpl,
+  /* 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,
+  /* Multiply floating-point number by integral power of radix */
+  OTI_scalb,
+  /* 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,
+  /* Signbit */
+  OTI_signbit,
+  /* Test for infinite value */
+  OTI_isinf,
+
+  /* Compare insn; two operands.  */
+  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,
+  OTI_ne,
+  OTI_gt,
+  OTI_ge,
+  OTI_lt,
+  OTI_le,
+  OTI_unord,
+
+  /* String length */
+  OTI_strlen,
+
+  /* Combined compare & jump/store flags/move operations.  */
+  OTI_cbranch,
+  OTI_cmov,
+  OTI_cstore,
+
+  /* Push instruction.  */
+  OTI_push,
+
+  /* Conditional add instruction.  */
+  OTI_addcc,
+
+  /* Reduction operations on a vector operand.  */
+  OTI_reduc_smax,
+  OTI_reduc_umax,
+  OTI_reduc_smin,
+  OTI_reduc_umin,
+  OTI_reduc_splus,
+  OTI_reduc_uplus,
+
+  /* Summation, with result machine mode one or more wider than args.  */
+  OTI_ssum_widen,
+  OTI_usum_widen,
+
+  /* Dot product, with result machine mode one or more wider than args.  */
+  OTI_sdot_prod,
+  OTI_udot_prod,
+
+  /* Set specified field of vector operand.  */
+  OTI_vec_set,
+  /* Extract specified field of vector operand.  */
+  OTI_vec_extract,
+  /* Extract even/odd fields of vector operands.  */
+  OTI_vec_extract_even,
+  OTI_vec_extract_odd,
+  /* Interleave fields of vector operands.  */
+  OTI_vec_interleave_high,
+  OTI_vec_interleave_low,
+  /* Initialize vector operand.  */
+  OTI_vec_init,
+  /* Whole vector shift. The shift amount is in bits.  */
+  OTI_vec_shl,
+  OTI_vec_shr,
+  /* Extract specified elements from vectors, for vector load.  */
+  OTI_vec_realign_load,
+  /* Widening multiplication.  
+     The high/low part of the resulting vector of products is returned.  */
+  OTI_vec_widen_umult_hi,
+  OTI_vec_widen_umult_lo,
+  OTI_vec_widen_smult_hi,
+  OTI_vec_widen_smult_lo,
+  /* Extract and widen the high/low part of a vector of signed or
+     floating point elements.  */
+  OTI_vec_unpacks_hi,
+  OTI_vec_unpacks_lo,
+  /* Extract and widen the high/low part of a vector of unsigned
+     elements.  */
+  OTI_vec_unpacku_hi,
+  OTI_vec_unpacku_lo,
+
+  /* Extract, convert to floating point and widen the high/low part of
+     a vector of signed or unsigned integer elements.  */
+  OTI_vec_unpacks_float_hi,
+  OTI_vec_unpacks_float_lo,
+  OTI_vec_unpacku_float_hi,
+  OTI_vec_unpacku_float_lo,
+
+  /* Narrow (demote) and merge the elements of two vectors.  */
+  OTI_vec_pack_trunc,
+  OTI_vec_pack_usat,
+  OTI_vec_pack_ssat,
+
+  /* Convert to signed/unsigned integer, narrow and merge elements
+     of two vectors of floating point elements.  */
+  OTI_vec_pack_sfix_trunc,
+  OTI_vec_pack_ufix_trunc,
+
+  /* Perform a raise to the power of integer.  */
+  OTI_powi,
+
+  OTI_MAX
+};
+
+extern struct optab optab_table[OTI_MAX];
+
+#define ssadd_optab (&optab_table[OTI_ssadd])
+#define usadd_optab (&optab_table[OTI_usadd])
+#define sssub_optab (&optab_table[OTI_sssub])
+#define ussub_optab (&optab_table[OTI_ussub])
+#define ssmul_optab (&optab_table[OTI_ssmul])
+#define usmul_optab (&optab_table[OTI_usmul])
+#define ssdiv_optab (&optab_table[OTI_ssdiv])
+#define usdiv_optab (&optab_table[OTI_usdiv])
+#define ssneg_optab (&optab_table[OTI_ssneg])
+#define usneg_optab (&optab_table[OTI_usneg])
+#define ssashl_optab (&optab_table[OTI_ssashl])
+#define usashl_optab (&optab_table[OTI_usashl])
+
+#define add_optab (&optab_table[OTI_add])
+#define sub_optab (&optab_table[OTI_sub])
+#define smul_optab (&optab_table[OTI_smul])
+#define addv_optab (&optab_table[OTI_addv])
+#define subv_optab (&optab_table[OTI_subv])
+#define smul_highpart_optab (&optab_table[OTI_smul_highpart])
+#define umul_highpart_optab (&optab_table[OTI_umul_highpart])
+#define smul_widen_optab (&optab_table[OTI_smul_widen])
+#define umul_widen_optab (&optab_table[OTI_umul_widen])
+#define usmul_widen_optab (&optab_table[OTI_usmul_widen])
+#define smadd_widen_optab (&optab_table[OTI_smadd_widen])
+#define umadd_widen_optab (&optab_table[OTI_umadd_widen])
+#define ssmadd_widen_optab (&optab_table[OTI_ssmadd_widen])
+#define usmadd_widen_optab (&optab_table[OTI_usmadd_widen])
+#define smsub_widen_optab (&optab_table[OTI_smsub_widen])
+#define umsub_widen_optab (&optab_table[OTI_umsub_widen])
+#define ssmsub_widen_optab (&optab_table[OTI_ssmsub_widen])
+#define usmsub_widen_optab (&optab_table[OTI_usmsub_widen])
+#define sdiv_optab (&optab_table[OTI_sdiv])
+#define smulv_optab (&optab_table[OTI_smulv])
+#define sdivv_optab (&optab_table[OTI_sdivv])
+#define sdivmod_optab (&optab_table[OTI_sdivmod])
+#define udiv_optab (&optab_table[OTI_udiv])
+#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 remainder_optab (&optab_table[OTI_remainder])
+#define ftrunc_optab (&optab_table[OTI_ftrunc])
+#define and_optab (&optab_table[OTI_and])
+#define ior_optab (&optab_table[OTI_ior])
+#define xor_optab (&optab_table[OTI_xor])
+#define ashl_optab (&optab_table[OTI_ashl])
+#define lshr_optab (&optab_table[OTI_lshr])
+#define ashr_optab (&optab_table[OTI_ashr])
+#define rotl_optab (&optab_table[OTI_rotl])
+#define rotr_optab (&optab_table[OTI_rotr])
+#define vashl_optab (&optab_table[OTI_vashl])
+#define vlshr_optab (&optab_table[OTI_vlshr])
+#define vashr_optab (&optab_table[OTI_vashr])
+#define vrotl_optab (&optab_table[OTI_vrotl])
+#define vrotr_optab (&optab_table[OTI_vrotr])
+#define smin_optab (&optab_table[OTI_smin])
+#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 storent_optab (&optab_table[OTI_storent])
+
+#define neg_optab (&optab_table[OTI_neg])
+#define negv_optab (&optab_table[OTI_negv])
+#define abs_optab (&optab_table[OTI_abs])
+#define absv_optab (&optab_table[OTI_absv])
+#define one_cmpl_optab (&optab_table[OTI_one_cmpl])
+#define bswap_optab (&optab_table[OTI_bswap])
+#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 scalb_optab (&optab_table[OTI_scalb])
+#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 signbit_optab (&optab_table[OTI_signbit])
+#define isinf_optab (&optab_table[OTI_isinf])
+
+#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 reduc_smax_optab (&optab_table[OTI_reduc_smax])
+#define reduc_umax_optab (&optab_table[OTI_reduc_umax])
+#define reduc_smin_optab (&optab_table[OTI_reduc_smin])
+#define reduc_umin_optab (&optab_table[OTI_reduc_umin])
+#define reduc_splus_optab (&optab_table[OTI_reduc_splus])
+#define reduc_uplus_optab (&optab_table[OTI_reduc_uplus])
+
+#define ssum_widen_optab (&optab_table[OTI_ssum_widen])
+#define usum_widen_optab (&optab_table[OTI_usum_widen])
+#define sdot_prod_optab (&optab_table[OTI_sdot_prod])
+#define udot_prod_optab (&optab_table[OTI_udot_prod])
+
+#define vec_set_optab (&optab_table[OTI_vec_set])
+#define vec_extract_optab (&optab_table[OTI_vec_extract])
+#define vec_extract_even_optab (&optab_table[OTI_vec_extract_even])
+#define vec_extract_odd_optab (&optab_table[OTI_vec_extract_odd])
+#define vec_interleave_high_optab (&optab_table[OTI_vec_interleave_high])
+#define vec_interleave_low_optab (&optab_table[OTI_vec_interleave_low])
+#define vec_init_optab (&optab_table[OTI_vec_init])
+#define vec_shl_optab (&optab_table[OTI_vec_shl])
+#define vec_shr_optab (&optab_table[OTI_vec_shr])
+#define vec_realign_load_optab (&optab_table[OTI_vec_realign_load])
+#define vec_widen_umult_hi_optab (&optab_table[OTI_vec_widen_umult_hi])
+#define vec_widen_umult_lo_optab (&optab_table[OTI_vec_widen_umult_lo])
+#define vec_widen_smult_hi_optab (&optab_table[OTI_vec_widen_smult_hi])
+#define vec_widen_smult_lo_optab (&optab_table[OTI_vec_widen_smult_lo])
+#define vec_unpacks_hi_optab (&optab_table[OTI_vec_unpacks_hi])
+#define vec_unpacks_lo_optab (&optab_table[OTI_vec_unpacks_lo])
+#define vec_unpacku_hi_optab (&optab_table[OTI_vec_unpacku_hi])
+#define vec_unpacku_lo_optab (&optab_table[OTI_vec_unpacku_lo])
+#define vec_unpacks_float_hi_optab (&optab_table[OTI_vec_unpacks_float_hi])
+#define vec_unpacks_float_lo_optab (&optab_table[OTI_vec_unpacks_float_lo])
+#define vec_unpacku_float_hi_optab (&optab_table[OTI_vec_unpacku_float_hi])
+#define vec_unpacku_float_lo_optab (&optab_table[OTI_vec_unpacku_float_lo])
+#define vec_pack_trunc_optab (&optab_table[OTI_vec_pack_trunc])
+#define vec_pack_ssat_optab (&optab_table[OTI_vec_pack_ssat])
+#define vec_pack_usat_optab (&optab_table[OTI_vec_pack_usat])
+#define vec_pack_sfix_trunc_optab (&optab_table[OTI_vec_pack_sfix_trunc])
+#define vec_pack_ufix_trunc_optab (&optab_table[OTI_vec_pack_ufix_trunc])
+
+#define powi_optab (&optab_table[OTI_powi])
+
+/* Conversion optabs have their own table and indexes.  */
+enum convert_optab_index
+{
+  COI_sext,
+  COI_zext,
+  COI_trunc,
+
+  COI_sfix,
+  COI_ufix,
+
+  COI_sfixtrunc,
+  COI_ufixtrunc,
+
+  COI_sfloat,
+  COI_ufloat,
+
+  COI_lrint,
+  COI_lround,
+  COI_lfloor,
+  COI_lceil,
+
+  COI_fract,
+  COI_fractuns,
+  COI_satfract,
+  COI_satfractuns,
+
+  COI_MAX
+};
+
+extern struct convert_optab convert_optab_table[COI_MAX];
+
+#define sext_optab (&convert_optab_table[COI_sext])
+#define zext_optab (&convert_optab_table[COI_zext])
+#define trunc_optab (&convert_optab_table[COI_trunc])
+#define sfix_optab (&convert_optab_table[COI_sfix])
+#define ufix_optab (&convert_optab_table[COI_ufix])
+#define sfixtrunc_optab (&convert_optab_table[COI_sfixtrunc])
+#define ufixtrunc_optab (&convert_optab_table[COI_ufixtrunc])
+#define sfloat_optab (&convert_optab_table[COI_sfloat])
+#define ufloat_optab (&convert_optab_table[COI_ufloat])
+#define lrint_optab (&convert_optab_table[COI_lrint])
+#define lround_optab (&convert_optab_table[COI_lround])
+#define lfloor_optab (&convert_optab_table[COI_lfloor])
+#define lceil_optab (&convert_optab_table[COI_lceil])
+#define fract_optab (&convert_optab_table[COI_fract])
+#define fractuns_optab (&convert_optab_table[COI_fractuns])
+#define satfract_optab (&convert_optab_table[COI_satfract])
+#define satfractuns_optab (&convert_optab_table[COI_satfractuns])
+
+/* These arrays record the insn_code of insns that may be needed to
+   perform input and output reloads of special objects.  They provide a
+   place to pass a scratch register.  */
+extern enum insn_code reload_in_optab[NUM_MACHINE_MODES];
+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];
+
+
+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.  */
+
+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 movmem_optab[NUM_MACHINE_MODES];
+
+/* This array records the insn_code of insns to perform block sets.  */
+extern enum insn_code setmem_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 cmpstrn_optab[NUM_MACHINE_MODES];
+extern enum insn_code cmpmem_optab[NUM_MACHINE_MODES];
+
+/* Synchronization primitives.  This first set is atomic operation for
+   which we don't care about the resulting value.  */
+extern enum insn_code sync_add_optab[NUM_MACHINE_MODES];
+extern enum insn_code sync_sub_optab[NUM_MACHINE_MODES];
+extern enum insn_code sync_ior_optab[NUM_MACHINE_MODES];
+extern enum insn_code sync_and_optab[NUM_MACHINE_MODES];
+extern enum insn_code sync_xor_optab[NUM_MACHINE_MODES];
+extern enum insn_code sync_nand_optab[NUM_MACHINE_MODES];
+
+/* This second set is atomic operations in which we return the value
+   that existed in memory before the operation.  */
+extern enum insn_code sync_old_add_optab[NUM_MACHINE_MODES];
+extern enum insn_code sync_old_sub_optab[NUM_MACHINE_MODES];
+extern enum insn_code sync_old_ior_optab[NUM_MACHINE_MODES];
+extern enum insn_code sync_old_and_optab[NUM_MACHINE_MODES];
+extern enum insn_code sync_old_xor_optab[NUM_MACHINE_MODES];
+extern enum insn_code sync_old_nand_optab[NUM_MACHINE_MODES];
+
+/* This third set is atomic operations in which we return the value
+   that resulted after performing the operation.  */
+extern enum insn_code sync_new_add_optab[NUM_MACHINE_MODES];
+extern enum insn_code sync_new_sub_optab[NUM_MACHINE_MODES];
+extern enum insn_code sync_new_ior_optab[NUM_MACHINE_MODES];
+extern enum insn_code sync_new_and_optab[NUM_MACHINE_MODES];
+extern enum insn_code sync_new_xor_optab[NUM_MACHINE_MODES];
+extern enum insn_code sync_new_nand_optab[NUM_MACHINE_MODES];
+
+/* 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];
+
+/* Atomic clear with release semantics.  */
+extern enum insn_code sync_lock_release[NUM_MACHINE_MODES];
+
+/* Define functions given in optabs.c.  */
+
+extern rtx expand_widen_pattern_expr (tree exp, rtx op0, rtx op1, rtx wide_op,
+                                      rtx target, int unsignedp);
+
+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 (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 (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 (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 (enum machine_mode, optab, rtx, rtx, int);
+
+/* Expand the absolute value operation.  */
+extern rtx expand_abs_nojump (enum machine_mode, rtx, rtx, int);
+extern rtx expand_abs (enum machine_mode, rtx, rtx, int, int);
+
+/* 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 (int, rtx, rtx, enum rtx_code);
+extern bool maybe_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);
+
+/* 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);
+
+/* 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, enum machine_mode,
+			  enum can_compare_purpose);
+
+/* Return the INSN_CODE to use for an extend operation.  */
+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 (rtx, rtx, enum machine_mode,
+			    enum machine_mode, int);
+
+/* 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 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);
+
+/* 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);
+
+/* 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);
+
+/* Generate code for VEC_LSHIFT_EXPR and VEC_RSHIFT_EXPR.  */
+extern rtx expand_vec_shift_expr (tree, rtx);
+
+#define optab_handler(optab,mode) (&(optab)->handlers[(int) (mode)])
+#define convert_optab_handler(optab,mode,mode2) \
+	(&(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 */