;; Cavium ThunderX 2 CN99xx pipeline description ;; Copyright (C) 2016-2017 Free Software Foundation, Inc. ;; ;; Contributed by Cavium, Broadcom and Mentor Embedded. ;; This file is part of GCC. ;; GCC is free software; you can redistribute it and/or modify ;; it under the terms of the GNU General Public License as published by ;; the Free Software Foundation; either version 3, or (at your option) ;; any later version. ;; GCC is distributed in the hope that it will be useful, ;; but WITHOUT ANY WARRANTY; without even the implied warranty of ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;; GNU General Public License for more details. ;; You should have received a copy of the GNU General Public License ;; along with GCC; see the file COPYING3. If not see ;; . (define_automaton "thunderx2t99, thunderx2t99_advsimd, thunderx2t99_ldst") (define_automaton "thunderx2t99_mult") (define_cpu_unit "thunderx2t99_i0" "thunderx2t99") (define_cpu_unit "thunderx2t99_i1" "thunderx2t99") (define_cpu_unit "thunderx2t99_i2" "thunderx2t99") (define_cpu_unit "thunderx2t99_ls0" "thunderx2t99_ldst") (define_cpu_unit "thunderx2t99_ls1" "thunderx2t99_ldst") (define_cpu_unit "thunderx2t99_sd" "thunderx2t99_ldst") ; Pseudo-units for multiply pipeline. (define_cpu_unit "thunderx2t99_i1m1" "thunderx2t99_mult") (define_cpu_unit "thunderx2t99_i1m2" "thunderx2t99_mult") (define_cpu_unit "thunderx2t99_i1m3" "thunderx2t99_mult") ; Pseudo-units for load delay (assuming dcache hit). (define_cpu_unit "thunderx2t99_ls0d1" "thunderx2t99_ldst") (define_cpu_unit "thunderx2t99_ls0d2" "thunderx2t99_ldst") (define_cpu_unit "thunderx2t99_ls0d3" "thunderx2t99_ldst") (define_cpu_unit "thunderx2t99_ls1d1" "thunderx2t99_ldst") (define_cpu_unit "thunderx2t99_ls1d2" "thunderx2t99_ldst") (define_cpu_unit "thunderx2t99_ls1d3" "thunderx2t99_ldst") ; Make some aliases for f0/f1. (define_cpu_unit "thunderx2t99_f0" "thunderx2t99_advsimd") (define_cpu_unit "thunderx2t99_f1" "thunderx2t99_advsimd") (define_reservation "thunderx2t99_i012" "thunderx2t99_i0|thunderx2t99_i1|thunderx2t99_i2") (define_reservation "thunderx2t99_ls01" "thunderx2t99_ls0|thunderx2t99_ls1") (define_reservation "thunderx2t99_f01" "thunderx2t99_f0|thunderx2t99_f1") (define_reservation "thunderx2t99_ls_both" "thunderx2t99_ls0+thunderx2t99_ls1") ; A load with delay in the ls0/ls1 pipes. (define_reservation "thunderx2t99_l0delay" "thunderx2t99_ls0,\ thunderx2t99_ls0d1,thunderx2t99_ls0d2,\ thunderx2t99_ls0d3") (define_reservation "thunderx2t99_l1delay" "thunderx2t99_ls1,\ thunderx2t99_ls1d1,thunderx2t99_ls1d2,\ thunderx2t99_ls1d3") (define_reservation "thunderx2t99_l01delay" "thunderx2t99_l0delay|thunderx2t99_l1delay") ;; Branch and call instructions. (define_insn_reservation "thunderx2t99_branch" 1 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "call,branch")) "thunderx2t99_i2") ;; Integer arithmetic/logic instructions. ; Plain register moves are handled by renaming, and don't create any uops. (define_insn_reservation "thunderx2t99_regmove" 0 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "mov_reg")) "nothing") (define_insn_reservation "thunderx2t99_alu_basic" 1 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "alu_imm,alu_sreg,alus_imm,alus_sreg,\ adc_reg,adc_imm,adcs_reg,adcs_imm,\ logic_reg,logic_imm,logics_reg,logics_imm,\ csel,adr,mov_imm,shift_reg,shift_imm,bfm,\ rbit,rev,extend,rotate_imm")) "thunderx2t99_i012") (define_insn_reservation "thunderx2t99_alu_shift" 2 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "alu_shift_imm,alu_ext,alu_shift_reg,\ alus_shift_imm,alus_ext,alus_shift_reg,\ logic_shift_imm,logics_shift_reg")) "thunderx2t99_i012,thunderx2t99_i012") (define_insn_reservation "thunderx2t99_div" 13 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "sdiv,udiv")) "thunderx2t99_i1*3") (define_insn_reservation "thunderx2t99_madd" 5 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "mla,smlal,umlal")) "thunderx2t99_i1,thunderx2t99_i1m1,thunderx2t99_i1m2,thunderx2t99_i1m3,\ thunderx2t99_i012") ; NOTE: smull, umull are used for "high part" multiplies too. (define_insn_reservation "thunderx2t99_mul" 4 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "mul,smull,umull")) "thunderx2t99_i1,thunderx2t99_i1m1,thunderx2t99_i1m2,thunderx2t99_i1m3") (define_insn_reservation "thunderx2t99_countbits" 3 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "clz")) "thunderx2t99_i1") ;; Integer loads and stores. (define_insn_reservation "thunderx2t99_load_basic" 4 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "load_4")) "thunderx2t99_ls01") (define_insn_reservation "thunderx2t99_loadpair" 5 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "load_8,load_16")) "thunderx2t99_i012,thunderx2t99_ls01") (define_insn_reservation "thunderx2t99_store_basic" 1 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "store_4")) "thunderx2t99_ls01,thunderx2t99_sd") (define_insn_reservation "thunderx2t99_storepair_basic" 1 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "store_8,store_16")) "thunderx2t99_ls01,thunderx2t99_sd") ;; FP data processing instructions. (define_insn_reservation "thunderx2t99_fp_simple" 5 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "ffariths,ffarithd,f_minmaxs,f_minmaxd")) "thunderx2t99_f01") (define_insn_reservation "thunderx2t99_fp_addsub" 6 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "fadds,faddd")) "thunderx2t99_f01") (define_insn_reservation "thunderx2t99_fp_cmp" 5 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "fcmps,fcmpd")) "thunderx2t99_f01") (define_insn_reservation "thunderx2t99_fp_divsqrt_s" 16 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "fdivs,fsqrts")) "thunderx2t99_f0*3|thunderx2t99_f1*3") (define_insn_reservation "thunderx2t99_fp_divsqrt_d" 23 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "fdivd,fsqrtd")) "thunderx2t99_f0*5|thunderx2t99_f1*5") (define_insn_reservation "thunderx2t99_fp_mul_mac" 6 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "fmuls,fmuld,fmacs,fmacd")) "thunderx2t99_f01") (define_insn_reservation "thunderx2t99_frint" 7 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "f_rints,f_rintd")) "thunderx2t99_f01") (define_insn_reservation "thunderx2t99_fcsel" 4 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "fcsel")) "thunderx2t99_f01") ;; FP miscellaneous instructions. (define_insn_reservation "thunderx2t99_fp_cvt" 7 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "f_cvtf2i,f_cvt,f_cvti2f")) "thunderx2t99_f01") (define_insn_reservation "thunderx2t99_fp_mov" 4 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "fconsts,fconstd,fmov,f_mrc")) "thunderx2t99_f01") (define_insn_reservation "thunderx2t99_fp_mov_to_gen" 5 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "f_mcr")) "thunderx2t99_f01") ;; FP loads and stores. (define_insn_reservation "thunderx2t99_fp_load_basic" 4 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "f_loads,f_loadd")) "thunderx2t99_ls01") (define_insn_reservation "thunderx2t99_fp_loadpair_basic" 4 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_load1_2reg")) "thunderx2t99_ls01*2") (define_insn_reservation "thunderx2t99_fp_store_basic" 1 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "f_stores,f_stored")) "thunderx2t99_ls01,thunderx2t99_sd") (define_insn_reservation "thunderx2t99_fp_storepair_basic" 1 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_store1_2reg")) "thunderx2t99_ls01,(thunderx2t99_ls01+thunderx2t99_sd),thunderx2t99_sd") ;; ASIMD integer instructions. (define_insn_reservation "thunderx2t99_asimd_int" 7 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_abd,neon_abd_q,\ neon_arith_acc,neon_arith_acc_q,\ neon_abs,neon_abs_q,\ neon_add,neon_add_q,\ neon_neg,neon_neg_q,\ neon_add_long,neon_add_widen,\ neon_add_halve,neon_add_halve_q,\ neon_sub_long,neon_sub_widen,\ neon_sub_halve,neon_sub_halve_q,\ neon_add_halve_narrow_q,neon_sub_halve_narrow_q,\ neon_qabs,neon_qabs_q,\ neon_qadd,neon_qadd_q,\ neon_qneg,neon_qneg_q,\ neon_qsub,neon_qsub_q,\ neon_minmax,neon_minmax_q,\ neon_reduc_minmax,neon_reduc_minmax_q,\ neon_mul_b,neon_mul_h,neon_mul_s,\ neon_mul_b_q,neon_mul_h_q,neon_mul_s_q,\ neon_sat_mul_b,neon_sat_mul_h,neon_sat_mul_s,\ neon_sat_mul_b_q,neon_sat_mul_h_q,neon_sat_mul_s_q,\ neon_mla_b,neon_mla_h,neon_mla_s,\ neon_mla_b_q,neon_mla_h_q,neon_mla_s_q,\ neon_mul_b_long,neon_mul_h_long,\ neon_mul_s_long,neon_mul_d_long,\ neon_sat_mul_b_long,neon_sat_mul_h_long,\ neon_sat_mul_s_long,\ neon_mla_b_long,neon_mla_h_long,neon_mla_s_long,\ neon_sat_mla_b_long,neon_sat_mla_h_long,\ neon_sat_mla_s_long,\ neon_shift_acc,neon_shift_acc_q,\ neon_shift_imm,neon_shift_imm_q,\ neon_shift_reg,neon_shift_reg_q,\ neon_shift_imm_long,neon_shift_imm_narrow_q,\ neon_sat_shift_imm,neon_sat_shift_imm_q,\ neon_sat_shift_reg,neon_sat_shift_reg_q,\ neon_sat_shift_imm_narrow_q")) "thunderx2t99_f01") (define_insn_reservation "thunderx2t99_asimd_reduc_add" 5 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_reduc_add,neon_reduc_add_q")) "thunderx2t99_f01") (define_insn_reservation "thunderx2t99_asimd_cmp" 7 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_compare,neon_compare_q,neon_compare_zero,\ neon_tst,neon_tst_q")) "thunderx2t99_f01") (define_insn_reservation "thunderx2t99_asimd_logic" 5 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_logic,neon_logic_q")) "thunderx2t99_f01") (define_insn_reservation "thunderx2t99_asimd_polynomial" 5 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_mul_d_long")) "thunderx2t99_f01") ;; ASIMD floating-point instructions. (define_insn_reservation "thunderx2t99_asimd_fp_simple" 5 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_fp_abs_s,neon_fp_abs_d,\ neon_fp_abs_s_q,neon_fp_abs_d_q,\ neon_fp_compare_s,neon_fp_compare_d,\ neon_fp_compare_s_q,neon_fp_compare_d_q,\ neon_fp_minmax_s,neon_fp_minmax_d,\ neon_fp_minmax_s_q,neon_fp_minmax_d_q,\ neon_fp_reduc_minmax_s,neon_fp_reduc_minmax_d,\ neon_fp_reduc_minmax_s_q,neon_fp_reduc_minmax_d_q,\ neon_fp_neg_s,neon_fp_neg_d,\ neon_fp_neg_s_q,neon_fp_neg_d_q")) "thunderx2t99_f01") (define_insn_reservation "thunderx2t99_asimd_fp_arith" 6 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_fp_abd_s,neon_fp_abd_d,\ neon_fp_abd_s_q,neon_fp_abd_d_q,\ neon_fp_addsub_s,neon_fp_addsub_d,\ neon_fp_addsub_s_q,neon_fp_addsub_d_q,\ neon_fp_reduc_add_s,neon_fp_reduc_add_d,\ neon_fp_reduc_add_s_q,neon_fp_reduc_add_d_q,\ neon_fp_mul_s,neon_fp_mul_d,\ neon_fp_mul_s_q,neon_fp_mul_d_q,\ neon_fp_mla_s,neon_fp_mla_d,\ neon_fp_mla_s_q,neon_fp_mla_d_q")) "thunderx2t99_f01") (define_insn_reservation "thunderx2t99_asimd_fp_conv" 7 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_fp_cvt_widen_s,neon_fp_cvt_narrow_d_q,\ neon_fp_to_int_s,neon_fp_to_int_d,\ neon_fp_to_int_s_q,neon_fp_to_int_d_q,\ neon_fp_round_s,neon_fp_round_d,\ neon_fp_round_s_q,neon_fp_round_d_q")) "thunderx2t99_f01") (define_insn_reservation "thunderx2t99_asimd_fp_div_s" 16 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_fp_div_s,neon_fp_div_s_q")) "thunderx2t99_f01") (define_insn_reservation "thunderx2t99_asimd_fp_div_d" 23 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_fp_div_d,neon_fp_div_d_q")) "thunderx2t99_f01") ;; ASIMD miscellaneous instructions. (define_insn_reservation "thunderx2t99_asimd_misc" 5 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_rbit,\ neon_bsl,neon_bsl_q,\ neon_cls,neon_cls_q,\ neon_cnt,neon_cnt_q,\ neon_from_gp,neon_from_gp_q,\ neon_dup,neon_dup_q,\ neon_ext,neon_ext_q,\ neon_ins,neon_ins_q,\ neon_move,neon_move_q,\ neon_fp_recpe_s,neon_fp_recpe_d,\ neon_fp_recpe_s_q,neon_fp_recpe_d_q,\ neon_fp_recpx_s,neon_fp_recpx_d,\ neon_fp_recpx_s_q,neon_fp_recpx_d_q,\ neon_rev,neon_rev_q,\ neon_dup,neon_dup_q,\ neon_permute,neon_permute_q")) "thunderx2t99_f01") (define_insn_reservation "thunderx2t99_asimd_recip_step" 6 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_fp_recps_s,neon_fp_recps_s_q,\ neon_fp_recps_d,neon_fp_recps_d_q,\ neon_fp_rsqrts_s, neon_fp_rsqrts_s_q,\ neon_fp_rsqrts_d, neon_fp_rsqrts_d_q")) "thunderx2t99_f01") (define_insn_reservation "thunderx2t99_asimd_lut" 8 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_tbl1,neon_tbl1_q,neon_tbl2_q")) "thunderx2t99_f01") (define_insn_reservation "thunderx2t99_asimd_elt_to_gr" 6 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_to_gp,neon_to_gp_q")) "thunderx2t99_f01") (define_insn_reservation "thunderx2t99_asimd_ext" 7 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_shift_imm_narrow_q,neon_sat_shift_imm_narrow_q")) "thunderx2t99_f01") ;; ASIMD load instructions. ; NOTE: These reservations attempt to model latency and throughput correctly, ; but the cycle timing of unit allocation is not necessarily accurate (because ; insns are split into uops, and those may be issued out-of-order). (define_insn_reservation "thunderx2t99_asimd_load1_1_mult" 4 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_load1_1reg,neon_load1_1reg_q")) "thunderx2t99_ls01") (define_insn_reservation "thunderx2t99_asimd_load1_2_mult" 4 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_load1_2reg,neon_load1_2reg_q")) "thunderx2t99_ls_both") (define_insn_reservation "thunderx2t99_asimd_load1_onelane" 5 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_load1_one_lane,neon_load1_one_lane_q")) "thunderx2t99_l01delay,thunderx2t99_f01") (define_insn_reservation "thunderx2t99_asimd_load1_all" 5 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_load1_all_lanes,neon_load1_all_lanes_q")) "thunderx2t99_l01delay,thunderx2t99_f01") (define_insn_reservation "thunderx2t99_asimd_load2" 5 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_load2_2reg,neon_load2_2reg_q,\ neon_load2_one_lane,neon_load2_one_lane_q,\ neon_load2_all_lanes,neon_load2_all_lanes_q")) "(thunderx2t99_l0delay,thunderx2t99_f01)|(thunderx2t99_l1delay,\ thunderx2t99_f01)") ;; ASIMD store instructions. ; Same note applies as for ASIMD load instructions. (define_insn_reservation "thunderx2t99_asimd_store1_1_mult" 1 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_store1_1reg,neon_store1_1reg_q")) "thunderx2t99_ls01") (define_insn_reservation "thunderx2t99_asimd_store1_2_mult" 1 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_store1_2reg,neon_store1_2reg_q")) "thunderx2t99_ls_both") (define_insn_reservation "thunderx2t99_asimd_store1_onelane" 1 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_store1_one_lane,neon_store1_one_lane_q")) "thunderx2t99_ls01,thunderx2t99_f01") (define_insn_reservation "thunderx2t99_asimd_store2_mult" 1 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_store2_2reg,neon_store2_2reg_q")) "thunderx2t99_ls_both,thunderx2t99_f01") (define_insn_reservation "thunderx2t99_asimd_store2_onelane" 1 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "neon_store2_one_lane,neon_store2_one_lane_q")) "thunderx2t99_ls01,thunderx2t99_f01") ;; Crypto extensions. (define_insn_reservation "thunderx2t99_aes" 5 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "crypto_aese,crypto_aesmc")) "thunderx2t99_f1") (define_insn_reservation "thunderx2t99_sha" 7 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "crypto_sha1_fast,crypto_sha1_xor,crypto_sha1_slow,\ crypto_sha256_fast,crypto_sha256_slow")) "thunderx2t99_f1") ;; CRC extension. (define_insn_reservation "thunderx2t99_crc" 4 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "crc")) "thunderx2t99_i1") ;; PMULL extension. (define_insn_reservation "thunderx2t99_pmull" 5 (and (eq_attr "tune" "thunderx2t99") (eq_attr "type" "crypto_pmull")) "thunderx2t99_f1")