Reduce the size of optabs representation

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@189821 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 94 insertions, 866 deletions

diff --git a/gcc/optabs.h b/gcc/optabs.h
index 60f83cff8a5..e0be2bac4fd 100644
--- a/gcc/optabs.h
+++ b/gcc/optabs.h
@@ -22,656 +22,34 @@ along with GCC; see the file COPYING3.  If not see
 #define GCC_OPTABS_H
 
 #include "insn-codes.h"
+#include "insn-opinit.h"
 
-/* Optabs are tables saying how to generate insn bodies
-   for various machine modes and numbers of operands.
-   Each optab applies to one operation.
+typedef enum optab_tag optab;
+typedef enum optab_tag convert_optab;
+typedef enum optab_tag direct_optab;
 
-   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, are used by special code.  */
-
-struct optab_handlers
-{
-  enum insn_code insn_code;
-};
-
-struct widening_optab_handlers
-{
-  struct optab_handlers handlers[NUM_MACHINE_MODES][NUM_MACHINE_MODES];
-};
-
-struct optab_d
+struct optab_libcall_d
 {
-  enum rtx_code code_;
   char libcall_suffix;
   const char *libcall_basename;
-  void (*libcall_gen)(struct optab_d *, const char *name, char suffix,
-		      enum machine_mode);
-  struct optab_handlers handlers[NUM_MACHINE_MODES];
-  struct widening_optab_handlers *widening;
+  void (*libcall_gen) (optab, const char *name,
+		       char suffix, enum machine_mode);
 };
-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_d
+struct convert_optab_libcall_d
 {
-  enum rtx_code code_;
   const char *libcall_basename;
-  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];
+  void (*libcall_gen) (convert_optab, const char *name,
+		       enum machine_mode, enum machine_mode);
 };
-typedef struct convert_optab_d *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,
-  /* Floating multiply/add */
-  OTI_fma,
-  OTI_fms,
-  OTI_fnma,
-  OTI_fnms,
-
-  /* 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_clrsb,
-  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,
-  /* Mantissa of a floating-point number */
-  OTI_significand,
-  /* 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.  Used only for libcalls.  */
-  OTI_cmp,
-  OTI_ucmp,
-
-  /* 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/move/store flags/trap operations.  */
-  OTI_cbranch,
-  OTI_cmov,
-  OTI_cstore,
-  OTI_ctrap,
-
-  /* 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,
-  /* 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/even/odd 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,
-  OTI_vec_widen_umult_even,
-  OTI_vec_widen_umult_odd,
-  OTI_vec_widen_smult_even,
-  OTI_vec_widen_smult_odd,
-  /* Widening shift left.
-     The high/low part of the resulting vector is returned.  */
-  OTI_vec_widen_ushiftl_hi,
-  OTI_vec_widen_ushiftl_lo,
-  OTI_vec_widen_sshiftl_hi,
-  OTI_vec_widen_sshiftl_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,
-
-  /* Atomic compare and swap.  */
-  OTI_sync_compare_and_swap,
-
-  /* Atomic exchange with acquire semantics.  */
-  OTI_sync_lock_test_and_set,
-
-  /* This second set is atomic operations in which we return the value
-     that existed in memory before the operation.  */
-  OTI_sync_old_add,
-  OTI_sync_old_sub,
-  OTI_sync_old_ior,
-  OTI_sync_old_and,
-  OTI_sync_old_xor,
-  OTI_sync_old_nand,
-
-  /* This third set is atomic operations in which we return the value
-     that resulted after performing the operation.  */
-  OTI_sync_new_add,
-  OTI_sync_new_sub,
-  OTI_sync_new_ior,
-  OTI_sync_new_and,
-  OTI_sync_new_xor,
-  OTI_sync_new_nand,
-
-  OTI_MAX
-};
-
-#define unknown_optab NULL
-
-#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 fma_optab (&optab_table[OTI_fma])
-#define fms_optab (&optab_table[OTI_fms])
-#define fnma_optab (&optab_table[OTI_fnma])
-#define fnms_optab (&optab_table[OTI_fnms])
-
-#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 clrsb_optab (&optab_table[OTI_clrsb])
-#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 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 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 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 ctrap_optab (&optab_table[OTI_ctrap])
-
-#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_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_widen_umult_even_optab (&optab_table[OTI_vec_widen_umult_even])
-#define vec_widen_umult_odd_optab (&optab_table[OTI_vec_widen_umult_odd])
-#define vec_widen_smult_even_optab (&optab_table[OTI_vec_widen_smult_even])
-#define vec_widen_smult_odd_optab (&optab_table[OTI_vec_widen_smult_odd])
-#define vec_widen_ushiftl_hi_optab (&optab_table[OTI_vec_widen_ushiftl_hi])
-#define vec_widen_ushiftl_lo_optab (&optab_table[OTI_vec_widen_ushiftl_lo])
-#define vec_widen_sshiftl_hi_optab (&optab_table[OTI_vec_widen_sshiftl_hi])
-#define vec_widen_sshiftl_lo_optab (&optab_table[OTI_vec_widen_sshiftl_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])
-
-#define sync_compare_and_swap_optab \
-  (&optab_table[(int) OTI_sync_compare_and_swap])
-#define sync_lock_test_and_set_optab \
-  (&optab_table[(int) OTI_sync_lock_test_and_set])
-#define sync_old_add_optab (&optab_table[(int) OTI_sync_old_add])
-#define sync_old_sub_optab (&optab_table[(int) OTI_sync_old_sub])
-#define sync_old_ior_optab (&optab_table[(int) OTI_sync_old_ior])
-#define sync_old_and_optab (&optab_table[(int) OTI_sync_old_and])
-#define sync_old_xor_optab (&optab_table[(int) OTI_sync_old_xor])
-#define sync_old_nand_optab (&optab_table[(int) OTI_sync_old_nand])
-#define sync_new_add_optab (&optab_table[(int) OTI_sync_new_add])
-#define sync_new_sub_optab (&optab_table[(int) OTI_sync_new_sub])
-#define sync_new_ior_optab (&optab_table[(int) OTI_sync_new_ior])
-#define sync_new_and_optab (&optab_table[(int) OTI_sync_new_and])
-#define sync_new_xor_optab (&optab_table[(int) OTI_sync_new_xor])
-#define sync_new_nand_optab (&optab_table[(int) OTI_sync_new_nand])
-
-/* 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_vec_load_lanes,
-  COI_vec_store_lanes,
-
-  /* Vector conditional operations.  */
-  COI_vcond,
-  COI_vcondu,
-
-  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])
-#define vec_load_lanes_optab (&convert_optab_table[COI_vec_load_lanes])
-#define vec_store_lanes_optab (&convert_optab_table[COI_vec_store_lanes])
-#define vcond_optab (&convert_optab_table[(int) COI_vcond])
-#define vcondu_optab (&convert_optab_table[(int) COI_vcondu])
-
-/* Contains the optab used for each rtx code.  */
-extern optab code_to_optab_[NUM_RTX_CODE + 1];
+/* 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)
@@ -679,176 +57,23 @@ code_to_optab (enum rtx_code code)
   return code_to_optab_[code];
 }
 
-#define optab_to_code(op)	((op)->code_)
-
-
-typedef rtx (*rtxfun) (rtx);
-
-/* Enumerates operations that have a named .md pattern associated
-   with them, but which are not implemented as library functions.  */
-enum direct_optab_index
+static inline enum rtx_code
+optab_to_code (optab op)
 {
-#ifdef HAVE_conditional_move
-  /* Conditional move operations.  */
-  DOI_movcc,
-#endif
+  return optab_to_code_[op];
+}
 
-  /* Operations that use a scratch register to perform input and output
-     reloads of special objects.  */
-  DOI_reload_in,
-  DOI_reload_out,
-
-  /* Block move operation.  */
-  DOI_movmem,
-
-  /* Block set operation.  */
-  DOI_setmem,
-
-  /* Various types of block compare operation.  */
-  DOI_cmpstr,
-  DOI_cmpstrn,
-  DOI_cmpmem,
-
-  /* Atomic clear with release semantics.  */
-  DOI_sync_lock_release,
-
-  /* Atomic operation with no resulting value.  */
-  DOI_sync_add,
-  DOI_sync_sub,
-  DOI_sync_ior,
-  DOI_sync_and,
-  DOI_sync_xor,
-  DOI_sync_nand,
-
-  /* Atomic operations with memory model parameters. */
-  DOI_atomic_exchange,
-  DOI_atomic_compare_and_swap,
-  DOI_atomic_load,
-  DOI_atomic_store,
-  DOI_atomic_add_fetch,
-  DOI_atomic_sub_fetch,
-  DOI_atomic_and_fetch,
-  DOI_atomic_nand_fetch,
-  DOI_atomic_xor_fetch,
-  DOI_atomic_or_fetch,
-  DOI_atomic_fetch_add,
-  DOI_atomic_fetch_sub,
-  DOI_atomic_fetch_and,
-  DOI_atomic_fetch_nand,
-  DOI_atomic_fetch_xor,
-  DOI_atomic_fetch_or,
-  DOI_atomic_add,
-  DOI_atomic_sub,
-  DOI_atomic_and,
-  DOI_atomic_nand,
-  DOI_atomic_xor,
-  DOI_atomic_or,
-  DOI_atomic_always_lock_free,
-  DOI_atomic_is_lock_free,
-  DOI_atomic_thread_fence,
-  DOI_atomic_signal_fence,
-
-  /* Vector permutation.  */
-  DOI_vec_perm,
-  DOI_vec_perm_const,
-
-  DOI_MAX
-};
+extern const struct convert_optab_libcall_d convlib_def[NUM_CONVLIB_OPTABS];
+extern const struct optab_libcall_d normlib_def[NUM_NORMLIB_OPTABS];
 
-/* A structure that says which insn should be used to perform an operation
-   in a particular mode.  */
-struct direct_optab_d
-{
-  struct optab_handlers handlers[NUM_MACHINE_MODES];
-};
-typedef struct direct_optab_d *direct_optab;
+/* Returns the active icode for the given (encoded) optab.  */
+extern enum insn_code raw_optab_handler (unsigned);
+extern bool swap_optab_enable (optab, enum machine_mode, bool);
 
-#ifdef HAVE_conditional_move
-#define movcc_optab (&direct_optab_table[(int) DOI_movcc])
-#endif
-#define reload_in_optab (&direct_optab_table[(int) DOI_reload_in])
-#define reload_out_optab (&direct_optab_table[(int) DOI_reload_out])
-#define movmem_optab (&direct_optab_table[(int) DOI_movmem])
-#define setmem_optab (&direct_optab_table[(int) DOI_setmem])
-#define cmpstr_optab (&direct_optab_table[(int) DOI_cmpstr])
-#define cmpstrn_optab (&direct_optab_table[(int) DOI_cmpstrn])
-#define cmpmem_optab (&direct_optab_table[(int) DOI_cmpmem])
-#define sync_lock_release_optab \
-  (&direct_optab_table[(int) DOI_sync_lock_release])
-#define sync_add_optab (&direct_optab_table[(int) DOI_sync_add])
-#define sync_sub_optab (&direct_optab_table[(int) DOI_sync_sub])
-#define sync_ior_optab (&direct_optab_table[(int) DOI_sync_ior])
-#define sync_and_optab (&direct_optab_table[(int) DOI_sync_and])
-#define sync_xor_optab (&direct_optab_table[(int) DOI_sync_xor])
-#define sync_nand_optab (&direct_optab_table[(int) DOI_sync_nand])
-
-#define atomic_exchange_optab \
-  (&direct_optab_table[(int) DOI_atomic_exchange])
-#define atomic_compare_and_swap_optab \
-  (&direct_optab_table[(int) DOI_atomic_compare_and_swap])
-#define atomic_load_optab \
-  (&direct_optab_table[(int) DOI_atomic_load])
-#define atomic_store_optab \
-  (&direct_optab_table[(int) DOI_atomic_store])
-#define atomic_add_fetch_optab \
-  (&direct_optab_table[(int) DOI_atomic_add_fetch])
-#define atomic_sub_fetch_optab \
-  (&direct_optab_table[(int) DOI_atomic_sub_fetch])
-#define atomic_and_fetch_optab \
-  (&direct_optab_table[(int) DOI_atomic_and_fetch])
-#define atomic_nand_fetch_optab \
-  (&direct_optab_table[(int) DOI_atomic_nand_fetch])
-#define atomic_xor_fetch_optab \
-  (&direct_optab_table[(int) DOI_atomic_xor_fetch])
-#define atomic_or_fetch_optab \
-  (&direct_optab_table[(int) DOI_atomic_or_fetch])
-#define atomic_fetch_add_optab \
-  (&direct_optab_table[(int) DOI_atomic_fetch_add])
-#define atomic_fetch_sub_optab \
-  (&direct_optab_table[(int) DOI_atomic_fetch_sub])
-#define atomic_fetch_and_optab \
-  (&direct_optab_table[(int) DOI_atomic_fetch_and])
-#define atomic_fetch_nand_optab \
-  (&direct_optab_table[(int) DOI_atomic_fetch_nand])
-#define atomic_fetch_xor_optab \
-  (&direct_optab_table[(int) DOI_atomic_fetch_xor])
-#define atomic_fetch_or_optab \
-  (&direct_optab_table[(int) DOI_atomic_fetch_or])
-#define atomic_add_optab \
-  (&direct_optab_table[(int) DOI_atomic_add])
-#define atomic_sub_optab \
-  (&direct_optab_table[(int) DOI_atomic_sub])
-#define atomic_and_optab \
-  (&direct_optab_table[(int) DOI_atomic_and])
-#define atomic_nand_optab \
-  (&direct_optab_table[(int) DOI_atomic_nand])
-#define atomic_xor_optab \
-  (&direct_optab_table[(int) DOI_atomic_xor])
-#define atomic_or_optab \
-  (&direct_optab_table[(int) DOI_atomic_or])
-#define atomic_always_lock_free_optab \
-  (&direct_optab_table[(int) DOI_atomic_always_lock_free])
-#define atomic_is_lock_free_optab \
-  (&direct_optab_table[(int) DOI_atomic_is_lock_free])
-#define atomic_thread_fence_optab \
-  (&direct_optab_table[(int) DOI_atomic_thread_fence])
-#define atomic_signal_fence_optab \
-  (&direct_optab_table[(int) DOI_atomic_signal_fence])
-
-#define vec_perm_optab (&direct_optab_table[DOI_vec_perm])
-#define vec_perm_const_optab (&direct_optab_table[(int) DOI_vec_perm_const])
-
 /* Target-dependent globals.  */
 struct target_optabs {
-  /* Tables of patterns that may have an associated libcall.  */
-  struct optab_d x_optab_table[(int) OTI_MAX];
-
-  /* Tables of patterns for converting one mode to another.  */
-  struct convert_optab_d x_convert_optab_table[(int) COI_MAX];
-
-  /* Tables of patterns for direct optabs (i.e. those which cannot be
-     implemented using a libcall).  */
-  struct direct_optab_d x_direct_optab_table[(int) DOI_MAX];
+  /* 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;
@@ -857,13 +82,6 @@ extern struct target_optabs *this_target_optabs;
 #else
 #define this_target_optabs (&default_target_optabs)
 #endif
-
-#define optab_table \
-  (this_target_optabs->x_optab_table)
-#define convert_optab_table \
-  (this_target_optabs->x_convert_optab_table)
-#define direct_optab_table \
-  (this_target_optabs->x_direct_optab_table)
 
 /* Define functions given in optabs.c.  */
 
@@ -1036,49 +254,9 @@ extern rtx expand_mult_highpart (enum machine_mode, rtx, rtx, rtx, bool);
 static inline enum insn_code
 optab_handler (optab op, enum machine_mode mode)
 {
-  return op->handlers[(int) mode].insn_code;
-}
-
-/* Like optab_handler, but for widening_operations that have a TO_MODE and
-  a FROM_MODE.  */
-
-static inline enum insn_code
-widening_optab_handler (optab op, enum machine_mode to_mode,
-			enum machine_mode from_mode)
-{
-  if (to_mode == from_mode || from_mode == VOIDmode)
-    return optab_handler (op, to_mode);
-
-  if (op->widening)
-    return op->widening->handlers[(int) to_mode][(int) from_mode].insn_code;
-
-  return CODE_FOR_nothing;
-}
-
-/* Record that insn CODE should be used to implement mode MODE of OP.  */
-
-static inline void
-set_optab_handler (optab op, enum machine_mode mode, enum insn_code code)
-{
-  op->handlers[(int) mode].insn_code = code;
-}
-
-/* Like set_optab_handler, but for widening operations that have a TO_MODE
-   and a FROM_MODE.  */
-
-static inline void
-set_widening_optab_handler (optab op, enum machine_mode to_mode,
-			    enum machine_mode from_mode, enum insn_code code)
-{
-  if (to_mode == from_mode)
-    set_optab_handler (op, to_mode, code);
-  else
-    {
-      if (op->widening == NULL)
-	op->widening = XCNEW (struct widening_optab_handlers);
-
-      op->widening->handlers[(int) to_mode][(int) from_mode].insn_code = code;
-    }
+  unsigned scode = (op << 16) | mode;
+  gcc_assert (op > LAST_CONV_OPTAB);
+  return raw_optab_handler (scode);
 }
 
 /* Return the insn used to perform conversion OP from mode FROM_MODE
@@ -1089,17 +267,28 @@ static inline enum insn_code
 convert_optab_handler (convert_optab op, enum machine_mode to_mode,
 		       enum machine_mode from_mode)
 {
-  return op->handlers[(int) to_mode][(int) from_mode].insn_code;
+  unsigned scode = (op << 16) | (from_mode << 8) | to_mode;
+  gcc_assert (op > unknown_optab && op <= LAST_CONV_OPTAB);
+  return raw_optab_handler (scode);
 }
 
-/* Record that insn CODE should be used to perform conversion OP
-   from mode FROM_MODE to mode TO_MODE.  */
+/* Like optab_handler, but for widening_operations that have a
+   TO_MODE and a FROM_MODE.  */
 
-static inline void
-set_convert_optab_handler (convert_optab op, enum machine_mode to_mode,
-			   enum machine_mode from_mode, enum insn_code code)
+static inline enum insn_code
+widening_optab_handler (optab op, enum machine_mode to_mode,
+			enum machine_mode from_mode)
 {
-  op->handlers[(int) to_mode][(int) from_mode].insn_code = code;
+  unsigned scode = (op << 16) | to_mode;
+  if (to_mode != from_mode && from_mode != VOIDmode)
+    {
+      /* ??? Why does find_widening_optab_handler_and_mode attempt to
+	 widen things that can't be widened?  E.g. add_optab... */
+      if (op > LAST_CONV_OPTAB)
+	return CODE_FOR_nothing;
+      scode |= from_mode << 8;
+    }
+  return raw_optab_handler (scode);
 }
 
 /* Return the insn used to implement mode MODE of OP, or CODE_FOR_nothing
@@ -1108,16 +297,7 @@ set_convert_optab_handler (convert_optab op, enum machine_mode to_mode,
 static inline enum insn_code
 direct_optab_handler (direct_optab op, enum machine_mode mode)
 {
-  return op->handlers[(int) mode].insn_code;
-}
-
-/* Record that insn CODE should be used to implement mode MODE of OP.  */
-
-static inline void
-set_direct_optab_handler (direct_optab op, enum machine_mode mode,
-			  enum insn_code code)
-{
-  op->handlers[(int) mode].insn_code = code;
+  return optab_handler (op, mode);
 }
 
 /* Return true if UNOPTAB is for a trapping-on-overflow operation.  */
@@ -1292,4 +472,52 @@ extern void expand_jump_insn (enum insn_code icode, unsigned int nops,
 extern rtx prepare_operand (enum insn_code, rtx, int, enum machine_mode,
 			    enum machine_mode, int);
 
+extern void gen_int_libfunc (optab, const char *, char, enum machine_mode);
+extern void gen_fp_libfunc (optab, const char *, char, enum machine_mode);
+extern void gen_fixed_libfunc (optab, const char *, char, enum machine_mode);
+extern void gen_signed_fixed_libfunc (optab, const char *, char,
+				      enum machine_mode);
+extern void gen_unsigned_fixed_libfunc (optab, const char *, char,
+					enum machine_mode);
+extern void gen_int_fp_libfunc (optab, const char *, char, enum machine_mode);
+extern void gen_intv_fp_libfunc (optab, const char *, char, enum machine_mode);
+extern void gen_int_fp_fixed_libfunc (optab, const char *, char,
+				      enum machine_mode);
+extern void gen_int_fp_signed_fixed_libfunc (optab, const char *, char,
+					     enum machine_mode);
+extern void gen_int_fixed_libfunc (optab, const char *, char,
+				   enum machine_mode);
+extern void gen_int_signed_fixed_libfunc (optab, const char *, char,
+					  enum machine_mode);
+extern void gen_int_unsigned_fixed_libfunc (optab, const char *, char,
+					    enum machine_mode);
+
+extern void gen_interclass_conv_libfunc (convert_optab, const char *,
+					 enum machine_mode, enum machine_mode);
+extern void gen_int_to_fp_conv_libfunc (convert_optab, const char *,
+					enum machine_mode, enum machine_mode);
+extern void gen_ufloat_conv_libfunc (convert_optab, const char *,
+				     enum machine_mode, enum machine_mode);
+extern void gen_int_to_fp_nondecimal_conv_libfunc  (convert_optab,
+						    const char *,
+						    enum machine_mode,
+						    enum machine_mode);
+extern void gen_fp_to_int_conv_libfunc (convert_optab, const char *,
+					enum machine_mode, enum machine_mode);
+extern void gen_intraclass_conv_libfunc (convert_optab, const char *,
+					 enum machine_mode, enum machine_mode);
+extern void gen_trunc_conv_libfunc (convert_optab, const char *,
+				    enum machine_mode, enum machine_mode);
+extern void gen_extend_conv_libfunc (convert_optab, const char *,
+				     enum machine_mode, enum machine_mode);
+extern void gen_fract_conv_libfunc (convert_optab, const char *,
+				    enum machine_mode, enum machine_mode);
+extern void gen_fractuns_conv_libfunc (convert_optab, const char *,
+				       enum machine_mode, enum machine_mode);
+extern void gen_satfract_conv_libfunc (convert_optab, const char *,
+				       enum machine_mode, enum machine_mode);
+extern void gen_satfractuns_conv_libfunc (convert_optab, const char *,
+					  enum machine_mode,
+					  enum machine_mode);
+
 #endif /* GCC_OPTABS_H */