6.4 KiB
;; DFA-based pipeline description for P5600. ;; ;; Copyright (C) 2007-2016 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 "p5600_agen_alq_pipe, p5600_fpu_pipe")
;; The address generation queue (AGQ) has AL2, CTISTD and LDSTA pipes (define_cpu_unit "p5600_agq, p5600_al2, p5600_ctistd, p5600_ldsta, p5600_gpdiv" "p5600_agen_alq_pipe")
;; The arithmetic-logic-unit queue (ALQ) has ALU pipe (define_cpu_unit "p5600_alq, p5600_alu" "p5600_agen_alq_pipe")
;; The floating-point-unit queue (FPQ) has short and long pipes (define_cpu_unit "p5600_fpu_short, p5600_fpu_long" "p5600_fpu_pipe")
;; Short FPU pipeline (define_cpu_unit "p5600_fpu_store" "p5600_fpu_pipe")
;; Long FPU pipeline (define_cpu_unit "p5600_fpu_apu" "p5600_fpu_pipe")
(define_reservation "p5600_agq_al2" "p5600_agq, p5600_al2") (define_reservation "p5600_agq_ctistd" "p5600_agq, p5600_ctistd") (define_reservation "p5600_agq_ldsta" "p5600_agq, p5600_ldsta") (define_reservation "p5600_alq_alu" "p5600_alq, p5600_alu")
;; ;; FPU pipe ;;
;; fadd, fsub (define_insn_reservation "p5600_fpu_fadd" 4 (and (eq_attr "cpu" "p5600") (eq_attr "type" "fadd,fabs,fneg")) "p5600_fpu_long, p5600_fpu_apu")
;; fabs, fneg, fcmp (define_insn_reservation "p5600_fpu_fabs" 2 (and (eq_attr "cpu" "p5600") (eq_attr "type" "fabs,fneg,fcmp,fmove")) "p5600_fpu_short, p5600_fpu_apu")
;; fload (define_insn_reservation "p5600_fpu_fload" 8 (and (eq_attr "cpu" "p5600") (eq_attr "type" "fpload,fpidxload")) "p5600_fpu_long, p5600_fpu_apu")
;; fstore (define_insn_reservation "p5600_fpu_fstore" 1 (and (eq_attr "cpu" "p5600") (eq_attr "type" "fpstore,fpidxstore")) "p5600_fpu_short, p5600_fpu_apu")
;; fmadd (define_insn_reservation "p5600_fpu_fmadd" 9 (and (eq_attr "cpu" "p5600") (eq_attr "type" "fmadd")) "p5600_fpu_long, p5600_fpu_apu")
;; fmul (define_insn_reservation "p5600_fpu_fmul" 5 (and (eq_attr "cpu" "p5600") (eq_attr "type" "fmul")) "p5600_fpu_long, p5600_fpu_apu")
;; fdiv, fsqrt (define_insn_reservation "p5600_fpu_div" 17 (and (eq_attr "cpu" "p5600") (eq_attr "type" "fdiv,frdiv,fsqrt,frsqrt")) "p5600_fpu_long, p5600_fpu_apu*17")
;; fcvt (define_insn_reservation "p5600_fpu_fcvt" 4 (and (eq_attr "cpu" "p5600") (eq_attr "type" "fcvt")) "p5600_fpu_long, p5600_fpu_apu")
;; mtc (define_insn_reservation "p5600_fpu_fmtc" 7 (and (eq_attr "cpu" "p5600") (eq_attr "type" "mtc")) "p5600_fpu_short, p5600_fpu_store")
;; mfc (define_insn_reservation "p5600_fpu_fmfc" 4 (and (eq_attr "cpu" "p5600") (eq_attr "type" "mfc")) "p5600_fpu_short, p5600_fpu_store")
;; madd/msub feeding into the add source ;; madd.fmt dst, x, y, z -> madd.fmt a, dst, b, c 5 cycles (define_bypass 5 "p5600_fpu_fmadd" "p5600_fpu_fmadd" "mips_fmadd_bypass")
;; ;; Integer pipe ;;
;; and (define_insn_reservation "p5600_int_and" 1 (and (eq_attr "cpu" "p5600") (eq_attr "move_type" "logical")) "p5600_alq_alu")
;; lui (define_insn_reservation "p5600_int_lui" 1 (and (eq_attr "cpu" "p5600") (eq_attr "move_type" "const")) "p5600_alq_alu")
;; Load lb, lbu, lh, lhu, lq, lw, lw_i2f, lwxs (define_insn_reservation "p5600_int_load" 4 (and (eq_attr "cpu" "p5600") (eq_attr "move_type" "load")) "p5600_agq_ldsta")
;; store (define_insn_reservation "p5600_int_store" 3 (and (eq_attr "cpu" "p5600") (eq_attr "move_type" "store")) "p5600_agq_ldsta")
;; andi, sll, srl, seb, seh (define_insn_reservation "p5600_int_arith_1" 1 (and (eq_attr "cpu" "p5600") (eq_attr "move_type" "andi,sll0,signext")) "p5600_alq_alu | p5600_agq_al2")
;; addi, addiu, ori, xori, add, addu (define_insn_reservation "p5600_int_arith_2" 1 (and (eq_attr "cpu" "p5600") (eq_attr "alu_type" "add,or,xor")) "p5600_alq_alu | p5600_agq_al2")
;; nor, sub (define_insn_reservation "p5600_int_arith_3" 1 (and (eq_attr "cpu" "p5600") (eq_attr "alu_type" "nor,sub")) "p5600_alq_alu")
;; srl, sra, rotr, slt, sllv, srlv (define_insn_reservation "p5600_int_arith_4" 1 (and (eq_attr "cpu" "p5600") (eq_attr "type" "shift,slt,move")) "p5600_alq_alu | p5600_agq_al2")
;; nop (define_insn_reservation "p5600_int_nop" 0 (and (eq_attr "cpu" "p5600") (eq_attr "type" "nop")) "p5600_agq_al2")
;; clo, clz (define_insn_reservation "p5600_int_countbits" 1 (and (eq_attr "cpu" "p5600") (eq_attr "type" "clz")) "p5600_agq_al2")
;; Conditional moves (define_insn_reservation "p5600_int_condmove" 1 (and (eq_attr "cpu" "p5600") (eq_attr "type" "condmove")) "p5600_agq_al2")
;; madd, msub (define_insn_reservation "p5600_dsp_mac" 5 (and (eq_attr "cpu" "p5600") (eq_attr "type" "imadd")) "p5600_agq_al2")
;; mfhi/lo (define_insn_reservation "p5600_dsp_mfhilo" 1 (and (eq_attr "cpu" "p5600") (eq_attr "type" "mfhi,mflo")) "p5600_agq_al2")
;; mthi/lo (define_insn_reservation "p5600_dsp_mthilo" 5 (and (eq_attr "cpu" "p5600") (eq_attr "type" "mthi,mtlo")) "p5600_agq_al2")
;; mult, multu, mul (define_insn_reservation "p5600_dsp_mult" 5 (and (eq_attr "cpu" "p5600") (eq_attr "type" "imul3,imul")) "p5600_agq_al2")
;; branch and jump (define_insn_reservation "p5600_int_branch" 1 (and (eq_attr "cpu" "p5600") (eq_attr "type" "branch,jump")) "p5600_agq_ctistd")
;; prefetch (define_insn_reservation "p5600_int_prefetch" 3 (and (eq_attr "cpu" "p5600") (eq_attr "type" "prefetch,prefetchx")) "p5600_agq_ldsta")
;; divide (define_insn_reservation "p5600_int_div" 8 (and (eq_attr "cpu" "p5600") (eq_attr "type" "idiv")) "p5600_agq_al2+p5600_gpdiv*8")
;; arith (define_insn_reservation "p5600_int_arith_5" 2 (and (eq_attr "cpu" "p5600") (eq_attr "type" "arith")) "p5600_agq_al2")
;; call (define_insn_reservation "p5600_int_call" 2 (and (eq_attr "cpu" "p5600") (eq_attr "jal" "indirect,direct")) "p5600_agq_ctistd")