Index: gcc/config/arm/t-arm =================================================================== --- gcc/config/arm/t-arm (revision 182518) +++ gcc/config/arm/t-arm (working copy) @@ -50,6 +50,7 @@ MD_INCLUDES= $(srcdir)/config/arm/arm102 $(srcdir)/config/arm/iterators.md \ $(srcdir)/config/arm/iwmmxt.md \ $(srcdir)/config/arm/ldmstm.md \ + $(srcdir)/config/arm/marvell-f-iwmmxt.md \ $(srcdir)/config/arm/neon.md \ $(srcdir)/config/arm/predicates.md \ $(srcdir)/config/arm/sync.md \ Index: gcc/config/arm/marvell-f-iwmmxt.md =================================================================== --- gcc/config/arm/marvell-f-iwmmxt.md (revision 0) +++ gcc/config/arm/marvell-f-iwmmxt.md (revision 0) @@ -0,0 +1,179 @@ +;; Marvell WMMX2 pipeline description +;; Copyright (C) 2011 Free Software Foundation, Inc. +;; Written by Marvell, 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 +;; . + + +(define_automaton "marvell_f_iwmmxt") + +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +;; Pipelines +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; + +;; This is a 7-stage pipelines: +;; +;; MD | MI | ME1 | ME2 | ME3 | ME4 | MW +;; +;; There are various bypasses modelled to a greater or lesser extent. +;; +;; Latencies in this file correspond to the number of cycles after +;; the issue stage that it takes for the result of the instruction to +;; be computed, or for its side-effects to occur. + +(define_cpu_unit "mf_iwmmxt_MD" "marvell_f_iwmmxt") +(define_cpu_unit "mf_iwmmxt_MI" "marvell_f_iwmmxt") +(define_cpu_unit "mf_iwmmxt_ME1" "marvell_f_iwmmxt") +(define_cpu_unit "mf_iwmmxt_ME2" "marvell_f_iwmmxt") +(define_cpu_unit "mf_iwmmxt_ME3" "marvell_f_iwmmxt") +(define_cpu_unit "mf_iwmmxt_ME4" "marvell_f_iwmmxt") +(define_cpu_unit "mf_iwmmxt_MW" "marvell_f_iwmmxt") + +(define_reservation "mf_iwmmxt_ME" + "mf_iwmmxt_ME1,mf_iwmmxt_ME2,mf_iwmmxt_ME3,mf_iwmmxt_ME4" +) + +(define_reservation "mf_iwmmxt_pipeline" + "mf_iwmmxt_MD, mf_iwmmxt_MI, mf_iwmmxt_ME, mf_iwmmxt_MW" +) + +;; An attribute to indicate whether our reservations are applicable. +(define_attr "marvell_f_iwmmxt" "yes,no" + (const (if_then_else (symbol_ref "arm_arch_iwmmxt") + (const_string "yes") (const_string "no")))) + +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +;; instruction classes +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; + +;; An attribute appended to instructions for classification + +(define_attr "wmmxt_shift" "yes,no" + (if_then_else (eq_attr "wtype" "wror, wsll, wsra, wsrl") + (const_string "yes") (const_string "no")) +) + +(define_attr "wmmxt_pack" "yes,no" + (if_then_else (eq_attr "wtype" "waligni, walignr, wmerge, wpack, wshufh, wunpckeh, wunpckih, wunpckel, wunpckil") + (const_string "yes") (const_string "no")) +) + +(define_attr "wmmxt_mult_c1" "yes,no" + (if_then_else (eq_attr "wtype" "wmac, wmadd, wmiaxy, wmiawxy, wmulw, wqmiaxy, wqmulwm") + (const_string "yes") (const_string "no")) +) + +(define_attr "wmmxt_mult_c2" "yes,no" + (if_then_else (eq_attr "wtype" "wmul, wqmulm") + (const_string "yes") (const_string "no")) +) + +(define_attr "wmmxt_alu_c1" "yes,no" + (if_then_else (eq_attr "wtype" "wabs, wabsdiff, wand, wandn, wmov, wor, wxor") + (const_string "yes") (const_string "no")) +) + +(define_attr "wmmxt_alu_c2" "yes,no" + (if_then_else (eq_attr "wtype" "wacc, wadd, waddsubhx, wavg2, wavg4, wcmpeq, wcmpgt, wmax, wmin, wsub, waddbhus, wsubaddhx") + (const_string "yes") (const_string "no")) +) + +(define_attr "wmmxt_alu_c3" "yes,no" + (if_then_else (eq_attr "wtype" "wsad") + (const_string "yes") (const_string "no")) +) + +(define_attr "wmmxt_transfer_c1" "yes,no" + (if_then_else (eq_attr "wtype" "tbcst, tinsr, tmcr, tmcrr") + (const_string "yes") (const_string "no")) +) + +(define_attr "wmmxt_transfer_c2" "yes,no" + (if_then_else (eq_attr "wtype" "textrm, tmovmsk, tmrc, tmrrc") + (const_string "yes") (const_string "no")) +) + +(define_attr "wmmxt_transfer_c3" "yes,no" + (if_then_else (eq_attr "wtype" "tmia, tmiaph, tmiaxy") + (const_string "yes") (const_string "no")) +) + +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +;; Main description +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; + +(define_insn_reservation "marvell_f_iwmmxt_alu_c1" 1 + (and (eq_attr "marvell_f_iwmmxt" "yes") + (eq_attr "wmmxt_alu_c1" "yes")) + "mf_iwmmxt_pipeline") + +(define_insn_reservation "marvell_f_iwmmxt_pack" 1 + (and (eq_attr "marvell_f_iwmmxt" "yes") + (eq_attr "wmmxt_pack" "yes")) + "mf_iwmmxt_pipeline") + +(define_insn_reservation "marvell_f_iwmmxt_shift" 1 + (and (eq_attr "marvell_f_iwmmxt" "yes") + (eq_attr "wmmxt_shift" "yes")) + "mf_iwmmxt_pipeline") + +(define_insn_reservation "marvell_f_iwmmxt_transfer_c1" 1 + (and (eq_attr "marvell_f_iwmmxt" "yes") + (eq_attr "wmmxt_transfer_c1" "yes")) + "mf_iwmmxt_pipeline") + +(define_insn_reservation "marvell_f_iwmmxt_transfer_c2" 5 + (and (eq_attr "marvell_f_iwmmxt" "yes") + (eq_attr "wmmxt_transfer_c2" "yes")) + "mf_iwmmxt_pipeline") + +(define_insn_reservation "marvell_f_iwmmxt_alu_c2" 2 + (and (eq_attr "marvell_f_iwmmxt" "yes") + (eq_attr "wmmxt_alu_c2" "yes")) + "mf_iwmmxt_pipeline") + +(define_insn_reservation "marvell_f_iwmmxt_alu_c3" 3 + (and (eq_attr "marvell_f_iwmmxt" "yes") + (eq_attr "wmmxt_alu_c3" "yes")) + "mf_iwmmxt_pipeline") + +(define_insn_reservation "marvell_f_iwmmxt_transfer_c3" 4 + (and (eq_attr "marvell_f_iwmmxt" "yes") + (eq_attr "wmmxt_transfer_c3" "yes")) + "mf_iwmmxt_pipeline") + +(define_insn_reservation "marvell_f_iwmmxt_mult_c1" 4 + (and (eq_attr "marvell_f_iwmmxt" "yes") + (eq_attr "wmmxt_mult_c1" "yes")) + "mf_iwmmxt_pipeline") + +;There is a forwarding path from ME3 stage +(define_insn_reservation "marvell_f_iwmmxt_mult_c2" 3 + (and (eq_attr "marvell_f_iwmmxt" "yes") + (eq_attr "wmmxt_mult_c2" "yes")) + "mf_iwmmxt_pipeline") + +(define_insn_reservation "marvell_f_iwmmxt_wstr" 0 + (and (eq_attr "marvell_f_iwmmxt" "yes") + (eq_attr "wtype" "wstr")) + "mf_iwmmxt_pipeline") + +;There is a forwarding path from MW stage +(define_insn_reservation "marvell_f_iwmmxt_wldr" 5 + (and (eq_attr "marvell_f_iwmmxt" "yes") + (eq_attr "wtype" "wldr")) + "mf_iwmmxt_pipeline") Index: gcc/config/arm/arm.md =================================================================== --- gcc/config/arm/arm.md (revision 182518) +++ gcc/config/arm/arm.md (working copy) @@ -538,6 +538,7 @@ (define_attr "generic_vfp" "yes,no" (const_string "yes") (const_string "no")))) +(include "marvell-f-iwmmxt.md") (include "arm-generic.md") (include "arm926ejs.md") (include "arm1020e.md")