89 lines
2.8 KiB
Markdown
89 lines
2.8 KiB
Markdown
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;; Octeon pipeline description.
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;; Copyright (C) 2008
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;; Free Software Foundation, Inc.
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;; This file is part of GCC.
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;; GCC is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;; GCC is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GCC; see the file COPYING3. If not see
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;; <http://www.gnu.org/licenses/>.
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;; Copyright (C) 2004, 2005, 2006 Cavium Networks.
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;; Octeon is a dual-issue processor that can issue all instructions on
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;; pipe0 and a subset on pipe1.
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(define_automaton "octeon_main, octeon_mult")
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(define_cpu_unit "octeon_pipe0" "octeon_main")
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(define_cpu_unit "octeon_pipe1" "octeon_main")
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(define_cpu_unit "octeon_mult" "octeon_mult")
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(define_insn_reservation "octeon_arith" 1
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(and (eq_attr "cpu" "octeon")
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(eq_attr "type" "arith,const,logical,move,shift,signext,slt,nop"))
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"octeon_pipe0 | octeon_pipe1")
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(define_insn_reservation "octeon_condmove" 2
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(and (eq_attr "cpu" "octeon")
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(eq_attr "type" "condmove"))
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"octeon_pipe0 | octeon_pipe1")
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(define_insn_reservation "octeon_load" 2
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(and (eq_attr "cpu" "octeon")
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(eq_attr "type" "load,prefetch,mtc,mfc"))
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"octeon_pipe0")
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(define_insn_reservation "octeon_store" 1
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(and (eq_attr "cpu" "octeon")
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(eq_attr "type" "store"))
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"octeon_pipe0")
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(define_insn_reservation "octeon_brj" 1
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(and (eq_attr "cpu" "octeon")
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(eq_attr "type" "branch,jump,call,trap"))
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"octeon_pipe0")
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(define_insn_reservation "octeon_imul3" 5
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(and (eq_attr "cpu" "octeon")
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(eq_attr "type" "imul3,pop,clz"))
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"(octeon_pipe0 | octeon_pipe1) + octeon_mult")
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(define_insn_reservation "octeon_imul" 2
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(and (eq_attr "cpu" "octeon")
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(eq_attr "type" "imul,mthilo"))
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"(octeon_pipe0 | octeon_pipe1) + octeon_mult, octeon_mult")
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(define_insn_reservation "octeon_mfhilo" 5
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(and (eq_attr "cpu" "octeon")
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(eq_attr "type" "mfhilo"))
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"(octeon_pipe0 | octeon_pipe1) + octeon_mult")
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(define_insn_reservation "octeon_imadd" 4
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(and (eq_attr "cpu" "octeon")
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(eq_attr "type" "imadd"))
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"(octeon_pipe0 | octeon_pipe1) + octeon_mult, octeon_mult*3")
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(define_insn_reservation "octeon_idiv" 72
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(and (eq_attr "cpu" "octeon")
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(eq_attr "type" "idiv"))
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"(octeon_pipe0 | octeon_pipe1) + octeon_mult, octeon_mult*71")
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;; Assume both pipes are needed for unknown and multiple-instruction
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;; patterns.
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(define_insn_reservation "octeon_unknown" 1
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(and (eq_attr "cpu" "octeon")
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(eq_attr "type" "unknown,multi"))
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"octeon_pipe0 + octeon_pipe1")
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