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| Current File : //compat/linux/proc/68247/root/usr/src/contrib/gcc/config/mips/generic.md |
;; 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")