/* Definitions for code generation pass of GNU compiler.
- Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
- Free Software Foundation, Inc.
+ Copyright (C) 2001-2020 Free Software Foundation, Inc.
This file is part of GCC.
#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 `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
-{
- /* I - CODE_FOR_nothing, where I is either the insn code of the
- associated insn generator or CODE_FOR_nothing if there is no such
- insn on the target machine. */
- int insn_code;
-};
-
-struct widening_optab_handlers
-{
- struct optab_handlers handlers[NUM_MACHINE_MODES][NUM_MACHINE_MODES];
-};
-
-struct optab_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;
-};
-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
-{
- 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];
-};
-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,
- /* 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
-};
-
-#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_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_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])
-#define vshuffle_optab (&direct_optab_table[(int) DOI_vshuffle])
-
-/* Contains the optab used for each rtx code. */
-extern optab code_to_optab[NUM_RTX_CODE + 1];
-
-\f
-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
-{
-#ifdef HAVE_conditional_move
- /* Conditional move operations. */
- DOI_movcc,
-#endif
-
- /* Operations that use a scratch register to perform input and output
- reloads of special objects. */
- DOI_reload_in,
- DOI_reload_out,
-
- /* Vector shuffling. */
- DOI_vshuffle,
-
- /* Block move operation. */
- DOI_movmem,
-
- /* Block set operation. */
- DOI_setmem,
-
- /* Various types of block compare operation. */
- DOI_cmpstr,
- DOI_cmpstrn,
- DOI_cmpmem,
-
- /* Synchronization primitives. This first set is atomic operation for
- which we don't care about the resulting value. */
- DOI_sync_add,
- DOI_sync_sub,
- DOI_sync_ior,
- DOI_sync_and,
- DOI_sync_xor,
- DOI_sync_nand,
-
- /* This second set is atomic operations in which we return the value
- that existed in memory before the operation. */
- DOI_sync_old_add,
- DOI_sync_old_sub,
- DOI_sync_old_ior,
- DOI_sync_old_and,
- DOI_sync_old_xor,
- DOI_sync_old_nand,
-
- /* This third set is atomic operations in which we return the value
- that resulted after performing the operation. */
- DOI_sync_new_add,
- DOI_sync_new_sub,
- DOI_sync_new_ior,
- DOI_sync_new_and,
- DOI_sync_new_xor,
- DOI_sync_new_nand,
-
- /* Atomic compare and swap. */
- DOI_sync_compare_and_swap,
-
- /* Atomic exchange with acquire semantics. */
- DOI_sync_lock_test_and_set,
-
- /* Atomic clear with release semantics. */
- DOI_sync_lock_release,
-
- DOI_MAX
-};
-
-/* 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;
-
-#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_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 sync_old_add_optab (&direct_optab_table[(int) DOI_sync_old_add])
-#define sync_old_sub_optab (&direct_optab_table[(int) DOI_sync_old_sub])
-#define sync_old_ior_optab (&direct_optab_table[(int) DOI_sync_old_ior])
-#define sync_old_and_optab (&direct_optab_table[(int) DOI_sync_old_and])
-#define sync_old_xor_optab (&direct_optab_table[(int) DOI_sync_old_xor])
-#define sync_old_nand_optab (&direct_optab_table[(int) DOI_sync_old_nand])
-#define sync_new_add_optab (&direct_optab_table[(int) DOI_sync_new_add])
-#define sync_new_sub_optab (&direct_optab_table[(int) DOI_sync_new_sub])
-#define sync_new_ior_optab (&direct_optab_table[(int) DOI_sync_new_ior])
-#define sync_new_and_optab (&direct_optab_table[(int) DOI_sync_new_and])
-#define sync_new_xor_optab (&direct_optab_table[(int) DOI_sync_new_xor])
-#define sync_new_nand_optab (&direct_optab_table[(int) DOI_sync_new_nand])
-#define sync_compare_and_swap_optab \
- (&direct_optab_table[(int) DOI_sync_compare_and_swap])
-#define sync_lock_test_and_set_optab \
- (&direct_optab_table[(int) DOI_sync_lock_test_and_set])
-#define sync_lock_release_optab \
- (&direct_optab_table[(int) DOI_sync_lock_release])
-\f
-/* 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];
-};
-
-extern struct target_optabs default_target_optabs;
-#if SWITCHABLE_TARGET
-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)
-\f
-/* Define functions given in optabs.c. */
-
-extern rtx expand_widen_pattern_expr (sepops ops, 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 one's complement absolute value operation. */
-extern rtx expand_one_cmpl_abs_nojump (enum machine_mode, rtx, rtx);
-
-/* 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 (enum insn_code, rtx, rtx, enum rtx_code);
-extern bool maybe_emit_unop_insn (enum insn_code, rtx, rtx, enum rtx_code);
-
-/* Find a widening optab even if it doesn't widen as much as we want. */
-#define find_widening_optab_handler(A,B,C,D) \
- find_widening_optab_handler_and_mode (A, B, C, D, NULL)
-extern enum insn_code find_widening_optab_handler_and_mode (optab,
- enum machine_mode,
- enum machine_mode,
- int,
- enum machine_mode *);
-
-/* 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);
-
-/* Return the insn_code for a FLOAT_EXPR. */
-enum insn_code can_float_p (enum machine_mode, enum machine_mode, 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);
+#include "optabs-query.h"
+#include "optabs-libfuncs.h"
+#include "vec-perm-indices.h"
/* Generate code for a widening multiply. */
-extern rtx expand_widening_mult (enum machine_mode, rtx, rtx, rtx, int, optab);
-
-/* Return tree if target supports vector operations for COND_EXPR. */
-bool expand_vec_cond_expr_p (tree, tree);
-
-/* Generate code for VEC_COND_EXPR. */
-extern rtx expand_vec_cond_expr (tree, tree, tree, tree, rtx);
-/* Generate code for VEC_LSHIFT_EXPR and VEC_RSHIFT_EXPR. */
-extern rtx expand_vec_shift_expr (sepops, rtx);
-
-/* Return tree if target supports vector operations for VEC_SHUFFLE_EXPR. */
-bool expand_vec_shuffle_expr_p (enum machine_mode, tree, tree, tree);
-
-/* Generate code for VEC_SHUFFLE_EXPR. */
-extern rtx expand_vec_shuffle_expr (tree, tree, tree, tree, rtx);
-
-/* Return the insn used to implement mode MODE of OP, or CODE_FOR_nothing
- if the target does not have such an insn. */
-
-static inline enum insn_code
-optab_handler (optab op, enum machine_mode mode)
-{
- return (enum insn_code) (op->handlers[(int) mode].insn_code
- + (int) CODE_FOR_nothing);
-}
-
-/* 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 (enum insn_code) (op->widening->handlers[(int) to_mode][(int) from_mode].insn_code
- + (int) CODE_FOR_nothing);
-
- 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 = (int) code - (int) CODE_FOR_nothing;
-}
-
-/* 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 = (struct widening_optab_handlers *)
- xcalloc (1, sizeof (struct widening_optab_handlers));
-
- op->widening->handlers[(int) to_mode][(int) from_mode].insn_code
- = (int) code - (int) CODE_FOR_nothing;
- }
-}
-
-/* Return the insn used to perform conversion OP from mode FROM_MODE
- to mode TO_MODE; return CODE_FOR_nothing if the target does not have
- such an insn. */
-
-static inline enum insn_code
-convert_optab_handler (convert_optab op, enum machine_mode to_mode,
- enum machine_mode from_mode)
-{
- return ((enum insn_code)
- (op->handlers[(int) to_mode][(int) from_mode].insn_code
- + (int) CODE_FOR_nothing));
-}
-
-/* Record that insn CODE should be used to perform conversion OP
- from mode FROM_MODE to mode TO_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)
-{
- op->handlers[(int) to_mode][(int) from_mode].insn_code
- = (int) code - (int) CODE_FOR_nothing;
-}
-
-/* Return the insn used to implement mode MODE of OP, or CODE_FOR_nothing
- if the target does not have such an insn. */
-
-static inline enum insn_code
-direct_optab_handler (direct_optab op, enum machine_mode mode)
-{
- return (enum insn_code) (op->handlers[(int) mode].insn_code
- + (int) CODE_FOR_nothing);
-}
-
-/* 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 = (int) code - (int) CODE_FOR_nothing;
-}
-
-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);
-
-extern bool insn_operand_matches (enum insn_code icode, unsigned int opno,
- rtx operand);
+extern rtx expand_widening_mult (machine_mode, rtx, rtx, rtx, int, optab);
/* Describes the type of an expand_operand. Each value is associated
with a create_*_operand function; see the comments above those
};
/* Information about an operand for instruction expansion. */
-struct expand_operand {
+class expand_operand {
+public:
/* The type of operand. */
ENUM_BITFIELD (expand_operand_type) type : 8;
rather than signed. Only meaningful for certain types. */
unsigned int unsigned_p : 1;
+ /* Is the target operand. */
+ unsigned int target : 1;
+
/* Unused; available for future use. */
- unsigned int unused : 7;
+ unsigned int unused : 6;
/* The mode passed to the convert_*_operand function. It has a
type-dependent meaning. */
/* The value of the operand. */
rtx value;
+
+ /* The value of an EXPAND_INTEGER operand. */
+ poly_int64 int_value;
};
/* Initialize OP with the given fields. Initialise the other fields
to their default values. */
static inline void
-create_expand_operand (struct expand_operand *op,
+create_expand_operand (class expand_operand *op,
enum expand_operand_type type,
- rtx value, enum machine_mode mode,
- bool unsigned_p)
+ rtx value, machine_mode mode,
+ bool unsigned_p, poly_int64 int_value = 0)
{
op->type = type;
op->unsigned_p = unsigned_p;
+ op->target = 0;
op->unused = 0;
op->mode = mode;
op->value = value;
+ op->int_value = int_value;
}
/* Make OP describe an operand that must use rtx X, even if X is volatile. */
static inline void
-create_fixed_operand (struct expand_operand *op, rtx x)
+create_fixed_operand (class expand_operand *op, rtx x)
{
create_expand_operand (op, EXPAND_FIXED, x, VOIDmode, false);
}
be ignored in that case. */
static inline void
-create_output_operand (struct expand_operand *op, rtx x,
- enum machine_mode mode)
+create_output_operand (class expand_operand *op, rtx x,
+ machine_mode mode)
{
create_expand_operand (op, EXPAND_OUTPUT, x, mode, false);
}
as an operand. */
static inline void
-create_input_operand (struct expand_operand *op, rtx value,
- enum machine_mode mode)
+create_input_operand (class expand_operand *op, rtx value,
+ machine_mode mode)
{
create_expand_operand (op, EXPAND_INPUT, value, mode, false);
}
to mode MODE. UNSIGNED_P says whether VALUE is unsigned. */
static inline void
-create_convert_operand_to (struct expand_operand *op, rtx value,
- enum machine_mode mode, bool unsigned_p)
+create_convert_operand_to (class expand_operand *op, rtx value,
+ machine_mode mode, bool unsigned_p)
{
create_expand_operand (op, EXPAND_CONVERT_TO, value, mode, unsigned_p);
}
/* Make OP describe an input operand that should have the same value
as VALUE, after any mode conversion that the backend might request.
If VALUE is a CONST_INT, it should be treated as having mode MODE.
- UNSIGNED_P says whether VALUE is unsigned. */
+ UNSIGNED_P says whether VALUE is unsigned.
+
+ The conversion of VALUE can include a combination of numerical
+ conversion (as for convert_modes) and duplicating a scalar to fill
+ a vector (if VALUE is a scalar but the operand is a vector). */
static inline void
-create_convert_operand_from (struct expand_operand *op, rtx value,
- enum machine_mode mode, bool unsigned_p)
+create_convert_operand_from (class expand_operand *op, rtx value,
+ machine_mode mode, bool unsigned_p)
{
create_expand_operand (op, EXPAND_CONVERT_FROM, value, mode, unsigned_p);
}
-extern void create_convert_operand_from_type (struct expand_operand *op,
- rtx value, tree type);
/* Make OP describe an input Pmode address operand. VALUE is the value
of the address, but it may need to be converted to Pmode first. */
static inline void
-create_address_operand (struct expand_operand *op, rtx value)
+create_address_operand (class expand_operand *op, rtx value)
{
create_expand_operand (op, EXPAND_ADDRESS, value, Pmode, false);
}
-/* Make OP describe an input operand that has value INTVAL and that has
- no inherent mode. This function should only be used for operands that
- are always expand-time constants. The backend may request that INTVAL
- be copied into a different kind of rtx, but it must specify the mode
- of that rtx if so. */
+extern void create_integer_operand (class expand_operand *, poly_int64);
-static inline void
-create_integer_operand (struct expand_operand *op, HOST_WIDE_INT intval)
+/* Passed to expand_simple_binop and expand_binop to say which options
+ to try to use if the requested operation can't be open-coded on the
+ requisite mode. Either OPTAB_LIB or OPTAB_LIB_WIDEN says try using
+ a library call. Either OPTAB_WIDEN or OPTAB_LIB_WIDEN says try
+ using a wider mode. OPTAB_MUST_WIDEN says try widening and don't
+ try anything else. */
+
+enum optab_methods
{
- create_expand_operand (op, EXPAND_INTEGER, GEN_INT (intval), VOIDmode, false);
-}
+ OPTAB_DIRECT,
+ OPTAB_LIB,
+ OPTAB_WIDEN,
+ OPTAB_LIB_WIDEN,
+ OPTAB_MUST_WIDEN
+};
-extern bool valid_multiword_target_p (rtx);
+extern rtx expand_widen_pattern_expr (struct separate_ops *, rtx , rtx , rtx,
+ rtx, int);
+extern rtx expand_ternary_op (machine_mode mode, optab ternary_optab,
+ rtx op0, rtx op1, rtx op2, rtx target,
+ int unsignedp);
+extern rtx simplify_expand_binop (machine_mode mode, optab binoptab,
+ rtx op0, rtx op1, rtx target, int unsignedp,
+ enum optab_methods methods);
+extern bool force_expand_binop (machine_mode, optab, rtx, rtx, rtx, int,
+ enum optab_methods);
+extern rtx expand_vector_broadcast (machine_mode, rtx);
+
+/* Generate code for a simple binary or unary operation. "Simple" in
+ this case means "can be unambiguously described by a (mode, code)
+ pair and mapped to a single optab." */
+extern rtx expand_simple_binop (machine_mode, enum rtx_code, rtx,
+ rtx, rtx, int, enum optab_methods);
+
+/* Expand a binary operation given optab and rtx operands. */
+extern rtx expand_binop (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 (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);
+extern rtx expand_simple_unop (machine_mode, enum rtx_code, rtx, rtx,
+ int);
+/* Expand a unary arithmetic operation given optab rtx operand. */
+extern rtx expand_unop (machine_mode, optab, rtx, rtx, int);
+
+/* Expand the absolute value operation. */
+extern rtx expand_abs_nojump (machine_mode, rtx, rtx, int);
+extern rtx expand_abs (machine_mode, rtx, rtx, int, int);
+
+/* Expand the one's complement absolute value operation. */
+extern rtx expand_one_cmpl_abs_nojump (machine_mode, rtx, rtx);
+
+/* 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 bool maybe_emit_unop_insn (enum insn_code, rtx, rtx, enum rtx_code);
+extern void emit_unop_insn (enum insn_code, rtx, rtx, enum rtx_code);
+
+/* Emit code to make a call to a constant function or a library call. */
+extern void emit_libcall_block (rtx_insn *, rtx, rtx, rtx);
+
+/* 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, machine_mode,
+ enum can_compare_purpose);
+
+/* Return whether the backend can emit a vector comparison for code CODE,
+ comparing operands of mode CMP_OP_MODE and producing a result with
+ VALUE_MODE. */
+extern bool can_vcond_compare_p (enum rtx_code, machine_mode, machine_mode);
+
+extern rtx prepare_operand (enum insn_code, rtx, int, machine_mode,
+ machine_mode, int);
+/* Emit a pair of rtl insns to compare two rtx's and to jump
+ to a label if the comparison is true. */
+extern void emit_cmp_and_jump_insns (rtx, rtx, enum rtx_code, rtx,
+ machine_mode, int, rtx,
+ profile_probability prob
+ = profile_probability::uninitialized ());
+
+/* Generate code to indirectly jump to a location given in the rtx LOC. */
+extern void emit_indirect_jump (rtx);
+
+#include "insn-config.h"
+
+#ifndef GCC_INSN_CONFIG_H
+#error "insn-config.h must be included before optabs.h"
+#endif
+
+/* Emit a conditional move operation. */
+rtx emit_conditional_move (rtx, enum rtx_code, rtx, rtx, machine_mode,
+ rtx, rtx, machine_mode, int);
+
+/* Emit a conditional negate or bitwise complement operation. */
+rtx emit_conditional_neg_or_complement (rtx, rtx_code, machine_mode, rtx,
+ rtx, rtx);
+
+rtx emit_conditional_add (rtx, enum rtx_code, rtx, rtx, machine_mode,
+ rtx, rtx, machine_mode, int);
+
+/* Create but don't emit one rtl instruction to perform certain operations.
+ Modes must match; operands must meet the operation's predicates.
+ Likewise for subtraction and for just copying. */
+extern rtx_insn *gen_add2_insn (rtx, rtx);
+extern rtx_insn *gen_add3_insn (rtx, rtx, rtx);
+extern int have_add2_insn (rtx, rtx);
+extern rtx_insn *gen_addptr3_insn (rtx, rtx, rtx);
+extern int have_addptr3_insn (rtx, rtx, rtx);
+extern rtx_insn *gen_sub2_insn (rtx, rtx);
+extern rtx_insn *gen_sub3_insn (rtx, rtx, rtx);
+extern int have_sub2_insn (rtx, rtx);
+
+/* 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_insn *gen_extend_insn (rtx, rtx, machine_mode, machine_mode, 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 a FIXED_CONVERT_EXPR. */
+extern void expand_fixed_convert (rtx, rtx, int, int);
+
+/* Generate code for float to integral conversion. */
+extern bool expand_sfix_optab (rtx, rtx, convert_optab);
+
+/* Report whether the machine description contains an insn which can
+ perform the operation described by CODE and MODE. */
+extern int have_insn_for (enum rtx_code, machine_mode);
+
+/* Generate a conditional trap instruction. */
+extern rtx_insn *gen_cond_trap (enum rtx_code, rtx, rtx, rtx);
+
+/* Generate code for VEC_PERM_EXPR. */
+extern rtx expand_vec_perm_var (machine_mode, rtx, rtx, rtx, rtx);
+extern rtx expand_vec_perm_const (machine_mode, rtx, rtx,
+ const vec_perm_builder &, machine_mode, rtx);
+
+/* Generate code for vector comparison. */
+extern rtx expand_vec_cmp_expr (tree, tree, rtx);
+
+/* Generate code for VEC_COND_EXPR. */
+extern rtx expand_vec_cond_expr (tree, tree, tree, tree, rtx);
+
+/* Generate code for VEC_SERIES_EXPR. */
+extern rtx expand_vec_series_expr (machine_mode, rtx, rtx, rtx);
+
+/* Generate code for MULT_HIGHPART_EXPR. */
+extern rtx expand_mult_highpart (machine_mode, rtx, rtx, rtx, bool);
+
+extern rtx expand_sync_lock_test_and_set (rtx, rtx, rtx);
+extern rtx expand_atomic_test_and_set (rtx, rtx, enum memmodel);
+extern rtx expand_atomic_exchange (rtx, rtx, rtx, enum memmodel);
+extern bool expand_atomic_compare_and_swap (rtx *, rtx *, rtx, rtx, rtx, bool,
+ enum memmodel, enum memmodel);
+/* Generate memory barriers. */
+extern void expand_mem_thread_fence (enum memmodel);
+extern void expand_mem_signal_fence (enum memmodel);
+
+rtx expand_atomic_load (rtx, rtx, enum memmodel);
+rtx expand_atomic_store (rtx, rtx, enum memmodel, bool);
+rtx expand_atomic_fetch_op (rtx, rtx, rtx, enum rtx_code, enum memmodel,
+ bool);
+
+extern bool insn_operand_matches (enum insn_code icode, unsigned int opno,
+ rtx operand);
+extern bool valid_multiword_target_p (rtx);
+extern void create_convert_operand_from_type (class expand_operand *op,
+ rtx value, tree type);
extern bool maybe_legitimize_operands (enum insn_code icode,
unsigned int opno, unsigned int nops,
- struct expand_operand *ops);
-extern rtx maybe_gen_insn (enum insn_code icode, unsigned int nops,
- struct expand_operand *ops);
+ class expand_operand *ops);
+extern rtx_insn *maybe_gen_insn (enum insn_code icode, unsigned int nops,
+ class expand_operand *ops);
extern bool maybe_expand_insn (enum insn_code icode, unsigned int nops,
- struct expand_operand *ops);
+ class expand_operand *ops);
extern bool maybe_expand_jump_insn (enum insn_code icode, unsigned int nops,
- struct expand_operand *ops);
+ class expand_operand *ops);
extern void expand_insn (enum insn_code icode, unsigned int nops,
- struct expand_operand *ops);
+ class expand_operand *ops);
extern void expand_jump_insn (enum insn_code icode, unsigned int nops,
- struct expand_operand *ops);
+ class expand_operand *ops);
-extern rtx prepare_operand (enum insn_code, rtx, int, enum machine_mode,
- enum machine_mode, int);
+extern enum rtx_code get_rtx_code (enum tree_code tcode, bool unsignedp);
#endif /* GCC_OPTABS_H */
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