2.9 KiB
;; Generic DFA-based pipeline description for MIPS targets ;; Copyright (C) 2004, 2005 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 2, 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 COPYING. If not, write to the ;; Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, ;; MA 02110-1301, USA.
;; This file is derived from the old define_function_unit description. ;; Each reservation can be overridden on a processor-by-processor basis.
(define_insn_reservation "generic_alu" 1 (eq_attr "type" "unknown,prefetch,prefetchx,condmove,const,arith, shift,slt,clz,trap,multi,nop") "alu")
(define_insn_reservation "generic_load" 3 (eq_attr "type" "load,fpload,fpidxload") "alu")
(define_insn_reservation "generic_store" 1 (eq_attr "type" "store,fpstore,fpidxstore") "alu")
(define_insn_reservation "generic_xfer" 2 (eq_attr "type" "xfer") "alu")
(define_insn_reservation "generic_branch" 1 (eq_attr "type" "branch,jump,call") "alu")
(define_insn_reservation "generic_hilo" 1 (eq_attr "type" "mfhilo,mthilo") "imuldiv*3")
(define_insn_reservation "generic_imul" 17 (eq_attr "type" "imul,imul3,imadd") "imuldiv*17")
(define_insn_reservation "generic_idiv" 38 (eq_attr "type" "idiv") "imuldiv*38")
(define_insn_reservation "generic_fcvt" 1 (eq_attr "type" "fcvt") "alu")
(define_insn_reservation "generic_fmove" 2 (eq_attr "type" "fabs,fneg,fmove") "alu")
(define_insn_reservation "generic_fcmp" 3 (eq_attr "type" "fcmp") "alu")
(define_insn_reservation "generic_fadd" 4 (eq_attr "type" "fadd") "alu")
(define_insn_reservation "generic_fmul_single" 7 (and (eq_attr "type" "fmul,fmadd") (eq_attr "mode" "SF")) "alu")
(define_insn_reservation "generic_fmul_double" 8 (and (eq_attr "type" "fmul,fmadd") (eq_attr "mode" "DF")) "alu")
(define_insn_reservation "generic_fdiv_single" 23 (and (eq_attr "type" "fdiv,frdiv") (eq_attr "mode" "SF")) "alu")
(define_insn_reservation "generic_fdiv_double" 36 (and (eq_attr "type" "fdiv,frdiv") (eq_attr "mode" "DF")) "alu")
(define_insn_reservation "generic_fsqrt_single" 54 (and (eq_attr "type" "fsqrt,frsqrt") (eq_attr "mode" "SF")) "alu")
(define_insn_reservation "generic_fsqrt_double" 112 (and (eq_attr "type" "fsqrt,frsqrt") (eq_attr "mode" "DF")) "alu")
(define_insn_reservation "generic_frecip_fsqrt_step" 5 (eq_attr "type" "frdiv1,frdiv2,frsqrt1,frsqrt2") "alu")