diff gcc/config/mips/9000.md @ 0:a06113de4d67

first commit
author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
parents
children 04ced10e8804
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/mips/9000.md	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,151 @@
+;; DFA-based pipeline description for the RM9000.
+;;   Copyright (C) 2003, 2004, 2005, 2007 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 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
+;; <http://www.gnu.org/licenses/>.
+
+(define_automaton "rm9k_main, rm9k_imul, rm9k_fdiv")
+
+;; These units are for insns that can issue in either pipe.  We don't
+;; want to use constructs like "rm9k_m | rm9k_f_int" since that would
+;; needlessly make an insn prefer the M pipe.
+(define_cpu_unit "rm9k_any1" "rm9k_main")
+(define_cpu_unit "rm9k_any2" "rm9k_main")
+
+;; F and M pipe units, for instructions that must be issued by a
+;; particular pipe.  Split the F pipe into two units so that integer
+;; instructions can issue while the FPU is busy.  We don't need to
+;; split M because it is only ever reserved for a single cycle.
+(define_cpu_unit "rm9k_m" "rm9k_main")
+(define_cpu_unit "rm9k_f_int" "rm9k_main")
+(define_cpu_unit "rm9k_f_float" "rm9k_main")
+
+(exclusion_set "rm9k_f_int" "rm9k_f_float")
+
+;; Multiply/divide units.
+(define_cpu_unit "rm9k_imul" "rm9k_imul")
+(define_cpu_unit "rm9k_fdiv" "rm9k_fdiv")
+
+(define_insn_reservation "rm9k_load" 3
+  (and (eq_attr "cpu" "r9000")
+       (eq_attr "type" "load,fpload,fpidxload"))
+  "rm9k_m")
+
+(define_insn_reservation "rm9k_store" 1
+  (and (eq_attr "cpu" "r9000")
+       (eq_attr "type" "store,fpstore,fpidxstore"))
+  "rm9k_m")
+
+(define_insn_reservation "rm9k_int" 1
+  (and (eq_attr "cpu" "r9000")
+       (eq_attr "type" "arith,shift,signext,slt,clz,const,logical,move,nop,trap"))
+  "rm9k_any1 | rm9k_any2")
+
+(define_insn_reservation "rm9k_int_cmove" 2
+  (and (eq_attr "cpu" "r9000")
+       (and (eq_attr "type" "condmove")
+	    (eq_attr "mode" "SI,DI")))
+  "rm9k_any1 | rm9k_any2")
+
+;; This applies to both 'mul' and 'mult'.
+(define_insn_reservation "rm9k_mulsi" 3
+  (and (eq_attr "cpu" "r9000")
+       (and (eq_attr "type" "imul,imul3,imadd")
+	    (eq_attr "mode" "!DI")))
+  "rm9k_f_int")
+
+(define_insn_reservation "rm9k_muldi" 7
+  (and (eq_attr "cpu" "r9000")
+       (and (eq_attr "type" "imul,imul3,imadd")
+	    (eq_attr "mode" "DI")))
+  "rm9k_f_int + rm9k_imul * 7")
+
+(define_insn_reservation "rm9k_divsi" 38
+  (and (eq_attr "cpu" "r9000")
+       (and (eq_attr "type" "idiv")
+	    (eq_attr "mode" "!DI")))
+  "rm9k_f_int + rm9k_imul * 38")
+
+(define_insn_reservation "rm9k_divdi" 70
+  (and (eq_attr "cpu" "r9000")
+       (and (eq_attr "type" "idiv")
+	    (eq_attr "mode" "DI")))
+  "rm9k_f_int + rm9k_imul * 70")
+
+(define_insn_reservation "rm9k_mfhilo" 1
+  (and (eq_attr "cpu" "r9000")
+       (eq_attr "type" "mfhilo"))
+  "rm9k_f_int")
+
+(define_insn_reservation "rm9k_mthilo" 5
+  (and (eq_attr "cpu" "r9000")
+       (eq_attr "type" "mthilo"))
+  "rm9k_f_int")
+
+(define_insn_reservation "rm9k_xfer" 2
+  (and (eq_attr "cpu" "r9000")
+       (eq_attr "type" "mfc,mtc"))
+  "rm9k_m")
+
+(define_insn_reservation "rm9k_fquick" 2
+  (and (eq_attr "cpu" "r9000")
+       (eq_attr "type" "fabs,fneg,fcmp,fmove"))
+  "rm9k_f_float")
+
+(define_insn_reservation "rm9k_fcmove" 2
+  (and (eq_attr "cpu" "r9000")
+       (and (eq_attr "type" "condmove")
+	    (eq_attr "mode" "SF,DF")))
+  "rm9k_m")
+
+(define_insn_reservation "rm9k_fadd" 6
+  (and (eq_attr "cpu" "r9000")
+       (eq_attr "type" "fadd,fcvt"))
+  "rm9k_f_float")
+
+(define_insn_reservation "rm9k_fmuls" 6
+  (and (eq_attr "cpu" "r9000")
+       (and (eq_attr "type" "fmul,fmadd")
+	    (eq_attr "mode" "SF")))
+  "rm9k_f_float")
+
+(define_insn_reservation "rm9k_fmuld" 9
+  (and (eq_attr "cpu" "r9000")
+       (and (eq_attr "type" "fmul,fmadd")
+	    (eq_attr "mode" "DF")))
+  "rm9k_f_float * 3")
+
+(define_insn_reservation "rm9k_fdivs" 22
+  (and (eq_attr "cpu" "r9000")
+       (and (eq_attr "type" "fdiv,frdiv,fsqrt,frsqrt")
+	    (eq_attr "mode" "SF")))
+  "rm9k_f_float + rm9k_fdiv * 22")
+
+(define_insn_reservation "rm9k_fdivd" 37
+  (and (eq_attr "cpu" "r9000")
+       (and (eq_attr "type" "fdiv,frdiv,fsqrt,frsqrt")
+	    (eq_attr "mode" "DF")))
+  "rm9k_f_float + rm9k_fdiv * 37")
+
+(define_insn_reservation "rm9k_branch" 2
+  (and (eq_attr "cpu" "r9000")
+       (eq_attr "type" "branch,jump,call"))
+  "rm9k_any1 | rm9k_any2")
+
+(define_insn_reservation "rm9k_unknown" 1
+  (and (eq_attr "cpu" "r9000")
+       (eq_attr "type" "unknown,multi"))
+  "rm9k_m + rm9k_f_int + rm9k_any1 + rm9k_any2")