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| Current File : //compat/linux/proc/68247/root/usr/src/contrib/gcc/config/mips/4600.md |
;; R4600 and R4650 pipeline description.
;; 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 overrides parts of generic.md. It is derived from the
;; old define_function_unit description.
;;
;; We handle the R4600 and R4650 in much the same way. The only difference
;; is in the integer multiplication and division costs.
(define_insn_reservation "r4600_imul" 10
(and (eq_attr "cpu" "r4600")
(eq_attr "type" "imul,imul3,imadd"))
"imuldiv*10")
(define_insn_reservation "r4600_idiv" 42
(and (eq_attr "cpu" "r4600")
(eq_attr "type" "idiv"))
"imuldiv*42")
(define_insn_reservation "r4650_imul" 4
(and (eq_attr "cpu" "r4650")
(eq_attr "type" "imul,imul3,imadd"))
"imuldiv*4")
(define_insn_reservation "r4650_idiv" 36
(and (eq_attr "cpu" "r4650")
(eq_attr "type" "idiv"))
"imuldiv*36")
(define_insn_reservation "r4600_load" 2
(and (eq_attr "cpu" "r4600,r4650")
(eq_attr "type" "load,fpload,fpidxload"))
"alu")
(define_insn_reservation "r4600_fmove" 1
(and (eq_attr "cpu" "r4600,r4650")
(eq_attr "type" "fabs,fneg,fmove"))
"alu")
(define_insn_reservation "r4600_fmul_single" 8
(and (eq_attr "cpu" "r4600,r4650")
(and (eq_attr "type" "fmul,fmadd")
(eq_attr "mode" "SF")))
"alu")
(define_insn_reservation "r4600_fdiv_single" 32
(and (eq_attr "cpu" "r4600,r4650")
(and (eq_attr "type" "fdiv,frdiv")
(eq_attr "mode" "SF")))
"alu")
(define_insn_reservation "r4600_fdiv_double" 61
(and (eq_attr "cpu" "r4600,r4650")
(and (eq_attr "type" "fdiv,frdiv")
(eq_attr "mode" "DF")))
"alu")
(define_insn_reservation "r4600_fsqrt_single" 31
(and (eq_attr "cpu" "r4600,r4650")
(and (eq_attr "type" "fsqrt,frsqrt")
(eq_attr "mode" "SF")))
"alu")
(define_insn_reservation "r4600_fsqrt_double" 60
(and (eq_attr "cpu" "r4600,r4650")
(and (eq_attr "type" "fsqrt,frsqrt")
(eq_attr "mode" "DF")))
"alu")