;; DFA-based pipeline description for I6400. ;; ;; Copyright (C) 2015-2016 Free Software Foundation, Inc. ;; ;; This file is part of GCC. ;; ;; GCC is free software; you can redistribute it and/or modify it ;; under the terms of the GNU General Public License as published ;; by the Free Software Foundation; either version 3, or (at your ;; option) any later version.

;; GCC is distributed in the hope that it will be useful, but WITHOUT ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public ;; License for more details.

;; You should have received a copy of the GNU General Public License ;; along with GCC; see the file COPYING3. If not see ;; http://www.gnu.org/licenses/.

(define_automaton “i6400_int_pipe, i6400_mdu_pipe, i6400_fpu_short_pipe, i6400_fpu_long_pipe”)

(define_cpu_unit “i6400_gpmuldiv” “i6400_mdu_pipe”) (define_cpu_unit “i6400_agen, i6400_alu1, i6400_lsu” “i6400_int_pipe”) (define_cpu_unit “i6400_control, i6400_ctu, i6400_alu0” “i6400_int_pipe”)

;; Short FPU pipeline. (define_cpu_unit “i6400_fpu_short” “i6400_fpu_short_pipe”)

;; Long FPU pipeline. (define_cpu_unit “i6400_fpu_long, i6400_fpu_apu” “i6400_fpu_long_pipe”)

(define_reservation “i6400_control_ctu” “i6400_control, i6400_ctu”) (define_reservation “i6400_control_alu0” “i6400_control, i6400_alu0”) (define_reservation “i6400_agen_lsu” “i6400_agen, i6400_lsu”) (define_reservation “i6400_agen_alu1” “i6400_agen, i6400_alu1”)

;; ;; FPU pipe ;;

;; fabs, fneg (define_insn_reservation “i6400_fpu_fabs” 1 (and (eq_attr “cpu” “i6400”) (eq_attr “type” “fabs,fneg,fmove”)) “i6400_fpu_short, i6400_fpu_apu”)

;; fadd, fsub, fcvt (define_insn_reservation “i6400_fpu_fadd” 4 (and (eq_attr “cpu” “i6400”) (eq_attr “type” “fadd, fcvt”)) “i6400_fpu_long, i6400_fpu_apu”)

;; fmul (define_insn_reservation “i6400_fpu_fmul” 5 (and (eq_attr “cpu” “i6400”) (eq_attr “type” “fmul”)) “i6400_fpu_long, i6400_fpu_apu”)

;; div, sqrt (Double Precision) (define_insn_reservation “i6400_fpu_div_df” 30 (and (eq_attr “cpu” “i6400”) (and (eq_attr “mode” “DF”) (eq_attr “type” “fdiv,frdiv,fsqrt,frsqrt”))) “i6400_fpu_long+i6400_fpu_apu*30”)

;; div, sqrt (Single Precision) (define_insn_reservation “i6400_fpu_div_sf” 22 (and (eq_attr “cpu” “i6400”) (eq_attr “type” “fdiv,frdiv,fsqrt,frsqrt”)) “i6400_fpu_long+i6400_fpu_apu*22”)

;; ;; Integer pipe ;;

;; and, lui, shifts, seb, seh (define_insn_reservation “i6400_int_logical” 1 (and (eq_attr “cpu” “i6400”) (eq_attr “move_type” “logical,const,andi,sll0,signext”)) “i6400_control_alu0 | i6400_agen_alu1”)

;; addi, addiu, ori, xori, add, addu, sub, nor (define_insn_reservation “i6400_int_add” 1 (and (eq_attr “cpu” “i6400”) (eq_attr “alu_type” “add,sub,or,xor,nor”)) “i6400_control_alu0 | i6400_agen_alu1”)

;; shifts, clo, clz, cond move, arith (define_insn_reservation “i6400_int_arith” 1 (and (eq_attr “cpu” “i6400”) (eq_attr “type” “shift,slt,move,clz,condmove,arith”)) “i6400_control_alu0 | i6400_agen_alu1”)

;; nop (define_insn_reservation “i6400_int_nop” 0 (and (eq_attr “cpu” “i6400”) (eq_attr “type” “nop”)) “nothing”)

;; mult, multu, mul (define_insn_reservation “i6400_int_mult” 4 (and (eq_attr “cpu” “i6400”) (eq_attr “type” “imul3,imul”)) “i6400_gpmuldiv”)

;; divide (define_insn_reservation “i6400_int_div” 32 (and (eq_attr “cpu” “i6400”) (eq_attr “type” “idiv”)) “i6400_gpmuldiv*32”)

;; Load lb, lbu, lh, lhu, lq, lw, lw_i2f, lwxs (define_insn_reservation “i6400_int_load” 3 (and (eq_attr “cpu” “i6400”) (eq_attr “move_type” “load”)) “i6400_agen_lsu”)

;; store (define_insn_reservation “i6400_int_store” 1 (and (eq_attr “cpu” “i6400”) (eq_attr “move_type” “store”)) “i6400_agen_lsu”)

;; prefetch (define_insn_reservation “i6400_int_prefetch” 3 (and (eq_attr “cpu” “i6400”) (eq_attr “type” “prefetch”)) “i6400_agen_lsu”)

;; branch and jump (define_insn_reservation “i6400_int_branch” 1 (and (eq_attr “cpu” “i6400”) (eq_attr “type” “branch,jump”)) “i6400_control_ctu”)

;; call (define_insn_reservation “i6400_int_call” 1 (and (eq_attr “cpu” “i6400”) (eq_attr “jal” “indirect,direct”)) “i6400_control_ctu”)