X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Foptabs.h;h=6ad6dae9ab676b4c3dd8839e9147ded239bf980c;hb=cb78a1fb48d354129d24a804bd321fdd6692357c;hp=a378a963c729f761cef8b436e136b4e6d5172a80;hpb=270436f389c1c862f9e0a2f3b3b928f15d8b380d;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/optabs.h b/gcc/optabs.h index a378a963c72..6ad6dae9ab6 100644 --- a/gcc/optabs.h +++ b/gcc/optabs.h @@ -1,11 +1,12 @@ /* Definitions for code generation pass of GNU compiler. - Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. + Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 + 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 2, or (at your option) +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, @@ -14,9 +15,8 @@ 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 COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ +along with GCC; see the file COPYING3. If not see +. */ #ifndef GCC_OPTABS_H #define GCC_OPTABS_H @@ -26,40 +26,52 @@ Boston, MA 02111-1307, USA. */ /* 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. + 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 and cmp_optab, are used - by special code. */ + A few optabs, such as move_optab, are used by special code. */ -struct optab_handlers GTY(()) +struct optab_handlers { - enum insn_code insn_code; - rtx libfunc; + /* 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 optab GTY(()) +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 * optab; +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 GTY(()) +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 *convert_optab; +typedef struct convert_optab_d *convert_optab; /* Given an enum insn_code, access the function to construct the body of that kind of insn. */ @@ -68,6 +80,20 @@ typedef struct convert_optab *convert_optab; /* 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, @@ -82,6 +108,36 @@ enum optab_index /* 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, @@ -95,7 +151,7 @@ enum optab_index OTI_umod, /* Floating point remainder functions */ OTI_fmod, - OTI_drem, + OTI_remainder, /* Convert float to integer in float fmt */ OTI_ftrunc, @@ -116,6 +172,18 @@ enum optab_index 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 */ @@ -128,6 +196,11 @@ enum optab_index OTI_pow, /* Arc tangent of y/x */ OTI_atan2, + /* Floating multiply/add */ + OTI_fma, + OTI_fms, + OTI_fnma, + OTI_fnms, /* Move instruction. */ OTI_mov, @@ -135,6 +208,8 @@ enum optab_index OTI_movstrict, /* Move, with a misaligned memory. */ OTI_movmisalign, + /* Nontemporal store. */ + OTI_storent, /* Unary operations */ /* Negation */ @@ -143,12 +218,15 @@ enum optab_index /* 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 */ @@ -171,6 +249,12 @@ enum optab_index 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, @@ -195,13 +279,14 @@ enum optab_index OTI_atan, /* Copy sign */ OTI_copysign, + /* Signbit */ + OTI_signbit, + /* Test for infinite value */ + OTI_isinf, - /* Compare insn; two operands. */ + /* Compare insn; two operands. Used only for libcalls. */ 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, @@ -215,10 +300,11 @@ enum optab_index /* String length */ OTI_strlen, - /* Combined compare & jump/store flags/move operations. */ + /* Combined compare & jump/move/store flags/trap operations. */ OTI_cbranch, OTI_cmov, OTI_cstore, + OTI_ctrap, /* Push instruction. */ OTI_push, @@ -226,208 +312,557 @@ enum optab_index /* 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 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, + /* 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 }; -extern GTY(()) optab optab_table[OTI_MAX]; - -#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 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 drem_optab (optab_table[OTI_drem]) -#define ftrunc_optab (optab_table[OTI_ftrunc]) -#define and_optab (optab_table[OTI_and]) -#define ior_optab (optab_table[OTI_ior]) -#define 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 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 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 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 logb_optab (optab_table[OTI_logb]) -#define ilogb_optab (optab_table[OTI_ilogb]) -#define log_optab (optab_table[OTI_log]) -#define log10_optab (optab_table[OTI_log10]) -#define log2_optab (optab_table[OTI_log2]) -#define log1p_optab (optab_table[OTI_log1p]) -#define floor_optab (optab_table[OTI_floor]) -#define ceil_optab (optab_table[OTI_ceil]) -#define btrunc_optab (optab_table[OTI_btrunc]) -#define round_optab (optab_table[OTI_round]) -#define nearbyint_optab (optab_table[OTI_nearbyint]) -#define rint_optab (optab_table[OTI_rint]) -#define tan_optab (optab_table[OTI_tan]) -#define atan_optab (optab_table[OTI_atan]) -#define copysign_optab (optab_table[OTI_copysign]) - -#define cmp_optab (optab_table[OTI_cmp]) -#define ucmp_optab (optab_table[OTI_ucmp]) -#define tst_optab (optab_table[OTI_tst]) - -#define eq_optab (optab_table[OTI_eq]) -#define ne_optab (optab_table[OTI_ne]) -#define gt_optab (optab_table[OTI_gt]) -#define ge_optab (optab_table[OTI_ge]) -#define lt_optab (optab_table[OTI_lt]) -#define le_optab (optab_table[OTI_le]) -#define unord_optab (optab_table[OTI_unord]) - -#define strlen_optab (optab_table[OTI_strlen]) - -#define cbranch_optab (optab_table[OTI_cbranch]) -#define cmov_optab (optab_table[OTI_cmov]) -#define cstore_optab (optab_table[OTI_cstore]) -#define push_optab (optab_table[OTI_push]) -#define addcc_optab (optab_table[OTI_addcc]) - -#define vec_set_optab (optab_table[OTI_vec_set]) -#define vec_extract_optab (optab_table[OTI_vec_extract]) -#define vec_init_optab (optab_table[OTI_vec_init]) -#define vec_realign_load_optab (optab_table[OTI_vec_realign_load]) +#define 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_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 { - CTI_sext, - CTI_zext, - CTI_trunc, + COI_sext, + COI_zext, + COI_trunc, - CTI_sfix, - CTI_ufix, + COI_sfix, + COI_ufix, - CTI_sfixtrunc, - CTI_ufixtrunc, + COI_sfixtrunc, + COI_ufixtrunc, - CTI_sfloat, - CTI_ufloat, + COI_sfloat, + COI_ufloat, - CTI_MAX -}; + COI_lrint, + COI_lround, + COI_lfloor, + COI_lceil, -extern GTY(()) convert_optab convert_optab_table[CTI_MAX]; + COI_fract, + COI_fractuns, + COI_satfract, + COI_satfractuns, -#define sext_optab (convert_optab_table[CTI_sext]) -#define zext_optab (convert_optab_table[CTI_zext]) -#define trunc_optab (convert_optab_table[CTI_trunc]) -#define sfix_optab (convert_optab_table[CTI_sfix]) -#define ufix_optab (convert_optab_table[CTI_ufix]) -#define sfixtrunc_optab (convert_optab_table[CTI_sfixtrunc]) -#define ufixtrunc_optab (convert_optab_table[CTI_ufixtrunc]) -#define sfloat_optab (convert_optab_table[CTI_sfloat]) -#define ufloat_optab (convert_optab_table[CTI_ufloat]) + COI_vec_load_lanes, + COI_vec_store_lanes, -/* 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]; + /* 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 GTY(()) optab code_to_optab[NUM_RTX_CODE + 1]; +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]; +/* 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 -/* 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. */ + /* 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 enum insn_code setcc_gen_code[NUM_RTX_CODE]; +/* 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 -/* 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]; +#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]; -/* 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]; + /* Tables of patterns for converting one mode to another. */ + struct convert_optab_d x_convert_optab_table[(int) COI_MAX]; -/* This array records the insn_code of insns to perform block clears. */ -extern enum insn_code clrmem_optab[NUM_MACHINE_MODES]; + /* 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]; +}; -/* These arrays record the insn_code of two different kinds of insns - to perform block compares. */ -extern enum insn_code cmpstr_optab[NUM_MACHINE_MODES]; -extern enum insn_code cmpmem_optab[NUM_MACHINE_MODES]; +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) + /* Define functions given in optabs.c. */ -extern rtx expand_ternary_op (enum machine_mode mode, optab ternary_optab, - rtx op0, rtx op1, rtx op2, rtx target, +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 rtx simplify_expand_binop (enum machine_mode mode, optab binoptab, + rtx op0, rtx op1, rtx target, int unsignedp, + enum optab_methods methods); + extern bool force_expand_binop (enum machine_mode, optab, rtx, rtx, rtx, int, enum optab_methods); @@ -453,20 +888,40 @@ extern rtx expand_unop (enum machine_mode, optab, rtx, rtx, int); extern rtx expand_abs_nojump (enum machine_mode, rtx, rtx, int); extern rtx expand_abs (enum machine_mode, rtx, rtx, int, int); +/* Expand the 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 (int, rtx, rtx, enum rtx_code); - -/* Emit code to perform a series of operations on a multi-word quantity, one - word at a time. */ -extern rtx emit_no_conflict_block (rtx, rtx, rtx, rtx, rtx); +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 +}; -/* Emit one rtl insn to compare two rtx's. */ -extern void emit_cmp_insn (rtx, rtx, enum rtx_code, rtx, enum machine_mode, - int); +/* 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. */ @@ -477,10 +932,6 @@ enum can_compare_purpose ccp_store_flag }; -/* Return the optab used for computing the given operation on the type - given by the second argument. */ -extern optab optab_for_tree_code (enum tree_code, tree); - /* Nonzero if a compare of mode MODE can be done straightforwardly (without splitting it into pieces). */ extern int can_compare_p (enum rtx_code, enum machine_mode, @@ -499,16 +950,310 @@ 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 *); +/* Call this to install all of the __sync libcalls up to size MAX. */ +extern void init_sync_libfuncs (int max); + +/* 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); + +/* Return true if there is an inline compare and swap pattern. */ +extern bool can_compare_and_swap_p (enum machine_mode, bool); + +/* Return true if there is an inline atomic exchange pattern. */ +extern bool can_atomic_exchange_p (enum machine_mode, bool); + +/* Generate code for a compare and swap. */ +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); + +/* Check whether an operation represented by the code CODE is a + convert operation that is supported by the target platform in + vector form */ +bool supportable_convert_operation (enum tree_code, tree, tree, tree *, + enum tree_code *); + /* 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); + +/* 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, enum machine_mode); +bool expand_vec_cond_expr_p (tree, tree); /* Generate code for VEC_COND_EXPR. */ -extern rtx expand_vec_cond_expr (tree, rtx); +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_PERM_EXPR. */ +extern bool can_vec_perm_p (enum machine_mode, bool, const unsigned char *); + +/* Generate code for VEC_PERM_EXPR. */ +extern rtx expand_vec_perm (enum machine_mode, rtx, rtx, rtx, 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); + +/* Describes the type of an expand_operand. Each value is associated + with a create_*_operand function; see the comments above those + functions for details. */ +enum expand_operand_type { + EXPAND_FIXED, + EXPAND_OUTPUT, + EXPAND_INPUT, + EXPAND_CONVERT_TO, + EXPAND_CONVERT_FROM, + EXPAND_ADDRESS, + EXPAND_INTEGER +}; + +/* Information about an operand for instruction expansion. */ +struct expand_operand { + /* The type of operand. */ + ENUM_BITFIELD (expand_operand_type) type : 8; + + /* True if any conversion should treat VALUE as being unsigned + rather than signed. Only meaningful for certain types. */ + unsigned int unsigned_p : 1; + + /* Unused; available for future use. */ + unsigned int unused : 7; + + /* The mode passed to the convert_*_operand function. It has a + type-dependent meaning. */ + ENUM_BITFIELD (machine_mode) mode : 16; + + /* The value of the operand. */ + rtx 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, + enum expand_operand_type type, + rtx value, enum machine_mode mode, + bool unsigned_p) +{ + op->type = type; + op->unsigned_p = unsigned_p; + op->unused = 0; + op->mode = mode; + op->value = 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_expand_operand (op, EXPAND_FIXED, x, VOIDmode, false); +} + +/* Make OP describe an output operand that must have mode MODE. + X, if nonnull, is a suggestion for where the output should be stored. + It is OK for VALUE to be inconsistent with MODE, although it will just + be ignored in that case. */ + +static inline void +create_output_operand (struct expand_operand *op, rtx x, + enum machine_mode mode) +{ + create_expand_operand (op, EXPAND_OUTPUT, x, mode, false); +} + +/* Make OP describe an input operand that must have mode MODE and + value VALUE; MODE cannot be VOIDmode. The backend may request that + VALUE be copied into a different kind of rtx before being passed + as an operand. */ + +static inline void +create_input_operand (struct expand_operand *op, rtx value, + enum machine_mode mode) +{ + create_expand_operand (op, EXPAND_INPUT, value, mode, false); +} + +/* Like create_input_operand, except that VALUE must first be converted + 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_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. */ + +static inline void +create_convert_operand_from (struct expand_operand *op, rtx value, + enum 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_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. */ + +static inline void +create_integer_operand (struct expand_operand *op, HOST_WIDE_INT intval) +{ + create_expand_operand (op, EXPAND_INTEGER, GEN_INT (intval), VOIDmode, false); +} + +extern bool valid_multiword_target_p (rtx); + +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); +extern bool maybe_expand_insn (enum insn_code icode, unsigned int nops, + struct expand_operand *ops); +extern bool maybe_expand_jump_insn (enum insn_code icode, unsigned int nops, + struct expand_operand *ops); +extern void expand_insn (enum insn_code icode, unsigned int nops, + struct expand_operand *ops); +extern void expand_jump_insn (enum insn_code icode, unsigned int nops, + struct expand_operand *ops); + +extern rtx prepare_operand (enum insn_code, rtx, int, enum machine_mode, + enum machine_mode, int); #endif /* GCC_OPTABS_H */