gcc/config/s390/2817.md

   1 ;; Scheduling description for z196 (cpu 2817).
   2 ;;   Copyright (C) 2010-2018 Free Software Foundation, Inc.
   3 ;;   Contributed by Christian Borntraeger (Christian.Borntraeger@de.ibm.com)
   4 ;;                  Andreas Krebbel (Andreas.Krebbel@de.ibm.com)
   5
   6 ;; This file is part of GCC.
   7
   8 ;; GCC is free software; you can redistribute it and/or modify it under
   9 ;; the terms of the GNU General Public License as published by the Free
  10 ;; Software Foundation; either version 3, or (at your option) any later
  11 ;; version.
  12
  13 ;; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  14 ;; WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15 ;; FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  16 ;; for more details.
  17
  18 ;; You should have received a copy of the GNU General Public License
  19 ;; along with GCC; see the file COPYING3.  If not see
  20 ;; <http://www.gnu.org/licenses/>.
  21
  22 (define_automaton "z196_ipu")
  23
  24 ;; Fetch + Decoder
  25 (define_cpu_unit "z196_g1" "z196_ipu")
  26 (define_cpu_unit "z196_g2" "z196_ipu")
  27 (define_cpu_unit "z196_g3" "z196_ipu")
  28 (define_cpu_unit "z196_cr1" "z196_ipu")
  29 (define_cpu_unit "z196_cr2" "z196_ipu")
  30 (define_cpu_unit "z196_cr3" "z196_ipu")
  31
  32 (final_presence_set "z196_g2" "z196_g1")
  33 (final_presence_set "z196_g3" "z196_g2")
  34 (final_presence_set "z196_cr2" "z196_cr1")
  35 (final_presence_set "z196_cr3" "z196_cr2")
  36 (exclusion_set "z196_g1" "z196_cr1")
  37
  38 ;; Instructions can be groupable, end a group, or be alone in a group.
  39 (define_reservation "z196_simple" "( z196_g1 | z196_g2 | z196_g3 )")
  40 (define_reservation "z196_ends" "( z196_g3 | ( z196_g2 + z196_g3 ) | ( z196_g1 + z196_g2 + z196_g3 ) )")
  41
  42 ;; Try to keep cracked and alone insns together in a clump.  This will also
  43 ;; improve the clumping of "normal" insns.  We also allow crackes insns
  44 ;; to go as a last instruction together with normal ones.
  45 (define_reservation "z196_crack"  "( z196_cr1 | z196_cr2 | z196_cr3 | z196_g3)")
  46 (define_reservation "z196_alone"  "( z196_cr1 | z196_cr2 | z196_cr3 )")
  47
  48 ;; Most simple instruction a fast enough to be handled by OOO even with
  49 ;; latency == 0.  This reduces life ranges and spilling. We want to increase
  50 ;; life range for longer running ops, though, thats why we do not use
  51 ;; -fno-schedule-insns.
  52 (define_insn_reservation "z196_simple_LSU" 0
  53   (and (eq_attr "cpu" "z196")
  54        (and (eq_attr "type" "load,store,lr")
  55             (eq_attr "z196prop" "none")))
  56   "z196_simple")
  57
  58 (define_insn_reservation "z196_simple_FXU" 0
  59   (and (eq_attr "cpu" "z196")
  60        (and (eq_attr "type" "integer,la,larl,other")
  61             (and (eq_attr "z196prop" "none")
  62                  (eq_attr "op_type" "RR"))))
  63   "z196_simple")
  64
  65 (define_insn_reservation "z196_simple_DUAL" 0
  66   (and (eq_attr "cpu" "z196")
  67        (and (eq_attr "type" "integer,la,larl,other")
  68             (and (eq_attr "z196prop" "none")
  69                  (eq_attr "op_type" "!RR"))))
  70   "z196_simple")
  71
  72 (define_insn_reservation "z196_cracked" 0
  73   (and (eq_attr "cpu" "z196")
  74        (and (eq_attr "type" "integer,la,larl,load,lr,store,other")
  75             (eq_attr "z196prop" "z196_cracked")))
  76   "z196_crack")
  77
  78 (define_insn_reservation "z196_alone" 0
  79   (and (eq_attr "cpu" "z196")
  80        (and (eq_attr "type" "integer,la,larl,load,lr,store,other")
  81             (eq_attr "z196prop" "z196_alone")))
  82   "z196_alone")
  83
  84 (define_insn_reservation "z196_ends" 0
  85   (and (eq_attr "cpu" "z196")
  86        (and (eq_attr "type" "integer,la,larl,load,lr,store,other")
  87             (eq_attr "z196prop" "z196_ends")))
  88   "z196_ends")
  89
  90 (define_insn_reservation "z196_branch" 0
  91   (and (eq_attr "cpu" "z196")
  92        (eq_attr "type" "branch"))
  93   "z196_ends")
  94
  95 (define_insn_reservation "z196_call" 0
  96   (and (eq_attr "cpu" "z196")
  97        (eq_attr "type" "jsr"))
  98   "z196_ends")
  99
 100 (define_insn_reservation "z196_mul_hi" 10
 101   (and (eq_attr "cpu" "z196")
 102        (eq_attr "type" "imulhi"))
 103   "z196_simple")
 104
 105 (define_insn_reservation "z196_mul_si" 12
 106   (and (eq_attr "cpu" "z196")
 107        (eq_attr "type" "imulsi"))
 108   "z196_simple")
 109
 110 (define_insn_reservation "z196_mul_di" 14
 111   (and (eq_attr "cpu" "z196")
 112        (eq_attr "type" "imuldi"))
 113   "z196_simple")
 114
 115 (define_insn_reservation "z196_div" 73
 116   (and (eq_attr "cpu" "z196")
 117        (eq_attr "type" "idiv"))
 118   "z196_alone")
 119
 120 (define_insn_reservation "z196_sem" 0
 121   (and (eq_attr "cpu" "z196")
 122        (eq_attr "type" "sem"))
 123   "z196_crack")
 124
 125 (define_insn_reservation "z196_cs" 0
 126   (and (eq_attr "cpu" "z196")
 127        (eq_attr "type" "cs"))
 128   "z196_crack")
 129
 130 (define_insn_reservation "z196_vs" 0
 131   (and (eq_attr "cpu" "z196")
 132        (eq_attr "type" "vs"))
 133   "z196_alone")
 134
 135 (define_insn_reservation "z196_lm_stm" 0
 136   (and (eq_attr "cpu" "z196")
 137        (eq_attr "type" "stm,lm"))
 138   "z196_crack")
 139
 140
 141 ;;
 142 ;; Binary Floating Point
 143 ;;
 144
 145 (define_insn_reservation "z196_fsimptf" 18
 146   (and (eq_attr "cpu" "z196")
 147        (eq_attr "type" "fsimptf,fhex"))
 148   "z196_alone")
 149
 150 (define_insn_reservation "z196_fmultf" 47
 151   (and (eq_attr "cpu" "z196")
 152        (eq_attr "type" "fmultf"))
 153   "z196_alone")
 154
 155 (define_insn_reservation "z196_fsimpdf" 7
 156   (and (eq_attr "cpu" "z196")
 157        (eq_attr "type" "fsimpdf,fmuldf,fhex"))
 158   "z196_simple")
 159
 160 (define_insn_reservation "z196_fmadddf" 7
 161   (and (eq_attr "cpu" "z196")
 162        (eq_attr "type" "fmadddf"))
 163   "z196_alone")
 164
 165 (define_insn_reservation "z196_fsimpsf" 7
 166   (and (eq_attr "cpu" "z196")
 167        (eq_attr "type" "fsimpsf,fmulsf,fhex"))
 168   "z196_simple")
 169
 170 (define_insn_reservation "z196_fmaddsf" 7
 171   (and (eq_attr "cpu" "z196")
 172        (eq_attr "type" "fmaddsf"))
 173   "z196_alone")
 174
 175 (define_insn_reservation "z196_fdivtf" 108
 176   (and (eq_attr "cpu" "z196")
 177        (eq_attr "type" "fdivtf,fsqrttf"))
 178   "z196_alone")
 179
 180 (define_insn_reservation "z196_fdivdf" 36
 181   (and (eq_attr "cpu" "z196")
 182        (eq_attr "type" "fdivdf,fsqrtdf"))
 183   "z196_simple")
 184
 185 (define_insn_reservation "z196_fdivsf" 29
 186   (and (eq_attr "cpu" "z196")
 187        (eq_attr "type" "fdivsf,fsqrtsf"))
 188   "z196_simple")
 189
 190
 191 ;; Loads and stores are cheap as well.
 192 (define_insn_reservation "z196_floaddf" 0
 193   (and (eq_attr "cpu" "z196")
 194        (eq_attr "type" "floaddf"))
 195   "z196_simple")
 196
 197 (define_insn_reservation "z196_floadsf" 0
 198   (and (eq_attr "cpu" "z196")
 199        (eq_attr "type" "floadsf"))
 200   "z196_simple")
 201
 202 (define_insn_reservation "z196_fstoredf" 0
 203   (and (eq_attr "cpu" "z196")
 204        (eq_attr "type" "fstoredf"))
 205   "z196_simple")
 206
 207 (define_insn_reservation "z196_fstoresf" 0
 208   (and (eq_attr "cpu" "z196")
 209        (eq_attr "type" "fstoresf"))
 210   "z196_simple")
 211
 212
 213 (define_insn_reservation "z196_ftrunctf" 9
 214   (and (eq_attr "cpu" "z196")
 215        (eq_attr "type" "ftrunctf"))
 216   "z196_simple")
 217
 218 (define_insn_reservation "z196_ftruncdf" 7
 219   (and (eq_attr "cpu" "z196")
 220        (eq_attr "type" "ftruncdf"))
 221   "z196_simple")
 222
 223
 224 (define_insn_reservation "z196_ftoi" 7
 225   (and (eq_attr "cpu" "z196")
 226        (eq_attr "type" "ftoi"))
 227   "z196_crack")
 228
 229 (define_insn_reservation "z196_itof" 7
 230   (and (eq_attr "cpu" "z196")
 231        (eq_attr "type" "itoftf,itofdf,itofsf"))
 232   "z196_crack")
 233
 234 ;;
 235 ;; Decimal Floating Point
 236 ;;
 237
 238 ;; DDTR
 239 (define_insn_reservation "z196_fdivdd" 33
 240   (and (eq_attr "cpu" "z196")
 241        (eq_attr "type" "fdivdd"))
 242   "z196_simple")
 243
 244 ;; DXTR
 245 (define_insn_reservation "z196_fdivtd" 35
 246   (and (eq_attr "cpu" "z196")
 247        (eq_attr "type" "fdivtd"))
 248   "z196_alone")
 249
 250 ;; LEDTR
 251 (define_insn_reservation "z196_ftruncsd" 34
 252   (and (eq_attr "cpu" "z196")
 253        (eq_attr "type" "ftruncsd"))
 254   "z196_simple")
 255
 256 ;; LDXTR
 257 (define_insn_reservation "z196_ftruncdd" 36
 258   (and (eq_attr "cpu" "z196")
 259        (eq_attr "type" "ftruncdd"))
 260   "z196_simple")
 261
 262 ;; These are normal fp loads/stores - which are cheap.
 263 (define_insn_reservation "z196_floadsddd" 0
 264   (and (eq_attr "cpu" "z196")
 265        (eq_attr "type" "floadsd,floaddd,fstoredd,fstoresd"))
 266   "z196_simple")
 267
 268 ;; MDTR
 269 (define_insn_reservation "z196_fmuldd" 23
 270   (and (eq_attr "cpu" "z196")
 271        (eq_attr "type" "fmuldd"))
 272   "z196_simple")
 273
 274 ;; MXTR
 275 (define_insn_reservation "z196_fmultd" 25
 276   (and (eq_attr "cpu" "z196")
 277        (eq_attr "type" "fmultd"))
 278   "z196_alone")
 279
 280 ;; multiple different isns like add, sub etc.
 281 ;; Just use the same defaults as z10.
 282 (define_insn_reservation "z196_fsimpsd" 17
 283   (and (eq_attr "cpu" "z196")
 284        (eq_attr "type" "fsimpsd"))
 285   "z196_simple")
 286 (define_insn_reservation "z196_fsimpdd" 17
 287   (and (eq_attr "cpu" "z196")
 288        (eq_attr "type" "fsimpdd"))
 289   "z196_simple")
 290 (define_insn_reservation "z196_fsimptd" 18
 291   (and (eq_attr "cpu" "z196")
 292        (eq_attr "type" "fsimptd"))
 293   "z196_alone")
 294
 295 ;; CDGTR
 296 (define_insn_reservation "z196_itofdd" 45
 297   (and (eq_attr "cpu" "z196")
 298        (eq_attr "type" "itofdd"))
 299   "z196_crack")
 300
 301 ;; CXGTR
 302 (define_insn_reservation "z196_itoftd" 33
 303   (and (eq_attr "cpu" "z196")
 304        (eq_attr "type" "itoftd"))
 305   "z196_crack")
 306
 307 ;; CGXTR, CGDTR
 308 (define_insn_reservation "z196_ftoidfp" 33
 309   (and (eq_attr "cpu" "z196")
 310        (eq_attr "type" "ftoidfp"))
 311   "z196_crack")
 312
 313
 314