* gimplify.c (nonlocal_vlas): Delete.
[official-gcc.git] / gcc / config / arm / cortex-m7.md
blobeefd3663e046d1426969c8b4cdc0b55039d26cdb
1 ;; ARM Cortex-M7 pipeline description
2 ;; Copyright (C) 2014-2018 Free Software Foundation, Inc.
3 ;;
4 ;; This file is part of GCC.
5 ;;
6 ;; GCC is free software; you can redistribute it and/or modify it
7 ;; under the terms of the GNU General Public License as published by
8 ;; the Free Software Foundation; either version 3, or (at your option)
9 ;; any later version.
11 ;; GCC is distributed in the hope that it will be useful, but
12 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
13 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 ;; General Public License for more details.
16 ;; You should have received a copy of the GNU General Public License
17 ;; along with GCC; see the file COPYING3.  If not see
18 ;; <http://www.gnu.org/licenses/>.
20 (define_automaton "cortex_m7")
22 ;; We model the dual-issue constraints of this core with
23 ;; following units.
25 (define_cpu_unit "cm7_i0, cm7_i1" "cortex_m7")
26 (define_cpu_unit "cm7_a0, cm7_a1" "cortex_m7")
27 (define_cpu_unit "cm7_branch,cm7_wb,cm7_ext,cm7_shf" "cortex_m7")
28 (define_cpu_unit "cm7_lsu" "cortex_m7")
29 (define_cpu_unit "cm7_mac" "cortex_m7")
30 (define_cpu_unit "cm7_fpu" "cortex_m7")
32 (define_reservation "cm7_all_units"
33                     "cm7_i0+cm7_i1+cm7_a0+cm7_a1+cm7_branch\
34                      +cm7_wb+cm7_ext+cm7_shf+cm7_lsu+cm7_mac\
35                      +cm7_fpu")
37 ;; Simple alu instruction without inline shift operation.
38 (define_insn_reservation "cortex_m7_alu_simple" 2
39   (and (eq_attr "tune" "cortexm7")
40        (eq_attr "type" "alu_imm,alus_imm,logic_imm,logics_imm,\
41                         alu_sreg,alus_sreg,logic_reg,logics_reg,\
42                         adc_imm,adcs_imm,adc_reg,adcs_reg,\
43                         adr,bfm,rev,\
44                         shift_imm,shift_reg,\
45                         mov_imm,mov_reg,mvn_imm,mvn_reg,\
46                         mov_shift_reg,mov_shift,\
47                         mvn_shift,mvn_shift_reg,\
48                         logic_shift_imm,logics_shift_imm,\
49                         alu_shift_reg,alus_shift_reg,\
50                         logic_shift_reg,logics_shift_reg,\
51                         mrs,clz,f_mcr,f_mrc,multiple,no_insn"))
52   "cm7_i0|cm7_i1,cm7_a0|cm7_a1")
54 ;; Simple alu with inline shift operation.
55 (define_insn_reservation "cortex_m7_alu_shift" 2
56    (and (eq_attr "tune" "cortexm7")
57         (eq_attr "type" "alu_shift_imm,alus_shift_imm"))
58    "cm7_i0|cm7_i1,(cm7_a0|cm7_a1)+cm7_shf+cm7_branch")
60 ;; Only one ALU can be used for DSP instructions.
61 (define_insn_reservation "cortex_m7_dsp" 2
62   (and (eq_attr "tune" "cortexm7")
63        (eq_attr "type" "alu_dsp_reg,smlaxy,smlalxy,smulxy"))
64   "cm7_i0|cm7_i1,cm7_a0")
66 ;; The multiply instructions.
67 (define_insn_reservation "cortex_m7_multiply" 2
68    (and (eq_attr "tune" "cortexm7")
69         (eq_attr "type" "mul,muls,umull,smull"))
70    "cm7_i0|cm7_i1,(cm7_a0|cm7_a1)+cm7_wb")
72 (define_insn_reservation "cortex_m7_idiv" 4
73    (and (eq_attr "tune" "cortexm7")
74         (eq_attr "type" "sdiv,udiv"))
75    "cm7_all_units*4")
77 (define_insn_reservation "cortex_m7_alu_extend" 2
78    (and (eq_attr "tune" "cortexm7")
79         (eq_attr "type" "extend"))
80    "cm7_i0|cm7_i1,(cm7_a0|cm7_a1)+cm7_ext+cm7_branch")
82 (define_insn_reservation "cortex_m7_mac" 2
83    (and (eq_attr "tune" "cortexm7")
84         (eq_attr "type" "mla,mlas"))
85    "cm7_i0|cm7_i1,cm7_mac+cm7_wb")
87 ;; The branch instructions.
88 (define_insn_reservation "cortex_m7_branch" 0
89    (and (eq_attr "tune" "cortexm7")
90         (eq_attr "type" "branch,call"))
91    "cm7_i0|cm7_i1,cm7_branch")
93 ;; The load instructions.
94 (define_insn_reservation "cortex_m7_load1" 2
95    (and (eq_attr "tune" "cortexm7")
96         (eq_attr "type" "load_byte, load_4"))
97    "cm7_i0|cm7_i1,cm7_lsu")
99 (define_insn_reservation "cortex_m7_load2" 2
100    (and (eq_attr "tune" "cortexm7")
101         (eq_attr "type" "load_8"))
102    "cm7_all_units")
104 (define_insn_reservation "cortex_m7_loadm" 2
105    (and (eq_attr "tune" "cortexm7")
106         (eq_attr "type" "load_12,load_16"))
107    "cm7_all_units*2")
109 ;; The store instructions.
110 (define_insn_reservation "cortex_m7_store1" 0
111    (and (eq_attr "tune" "cortexm7")
112         (eq_attr "type" "store_4"))
113    "cm7_i0|cm7_i1,cm7_lsu+cm7_wb")
115 (define_insn_reservation "cortex_m7_store2" 0
116    (and (eq_attr "tune" "cortexm7")
117         (eq_attr "type" "store_8"))
118    "cm7_all_units")
120 (define_insn_reservation "cortex_m7_storem" 0
121    (and (eq_attr "tune" "cortexm7")
122         (eq_attr "type" "store_12,store_16"))
123    "cm7_all_units*2")
125 ;; The FPU instructions.
126 (define_insn_reservation "cortex_m7_fpalu" 3
127   (and (eq_attr "tune" "cortexm7")
128        (eq_attr "type" "ffariths,ffarithd,fadds,faddd,fmov,fconsts,\
129                         fconstd,fcmpd,f_cvt,f_cvtf2i,f_cvti2f, fcmps,\
130                         fmuls,f_flag"))
131   "cm7_i0|cm7_i1,cm7_fpu")
133 (define_insn_reservation "cortex_m7_fmacs" 6
134   (and (eq_attr "tune" "cortexm7")
135        (eq_attr "type" "fmacs,ffmas"))
136   "cm7_i0|cm7_i1,cm7_fpu")
138 (define_insn_reservation "cortex_m7_fdivs" 16
139   (and (eq_attr "tune" "cortexm7")
140        (eq_attr "type" "fdivs, fsqrts"))
141   "cm7_i0|cm7_i1, cm7_fpu*5")
143 (define_insn_reservation "cortex_m7_f_loads" 2
144   (and (eq_attr "tune" "cortexm7")
145        (eq_attr "type" "f_loads"))
146   "cm7_i0|cm7_i1, cm7_lsu")
148 (define_insn_reservation "cortex_m7_f_stores" 0
149   (and (eq_attr "tune" "cortexm7")
150        (eq_attr "type" "f_stores"))
151   "cm7_i0|cm7_i1, cm7_lsu+cm7_wb")
153 (define_insn_reservation "cortex_m7_fmuld" 6
154   (and (eq_attr "tune" "cortexm7")
155        (eq_attr "type" "fmuld"))
156   "cm7_i0|cm7_i1,cm7_fpu*3")
158 (define_insn_reservation "cortex_m7_fmacd" 10
159   (and (eq_attr "tune" "cortexm7")
160        (eq_attr "type" "fmacd,ffmad"))
161   "cm7_i0|cm7_i1,cm7_fpu*4")
163 (define_insn_reservation "cortex_m7_fdivd" 31
164   (and (eq_attr "tune" "cortexm7")
165        (eq_attr "type" "fdivd,fsqrtd"))
166   "cm7_i0|cm7_i1,cm7_fpu*4")
168 (define_insn_reservation "cortex_m7_f_loadd" 3
169   (and (eq_attr "tune" "cortexm7")
170        (eq_attr "type" "f_loadd"))
171   "cm7_all_units")
173 (define_insn_reservation "cortex_m7_f_stored" 0
174   (and (eq_attr "tune" "cortexm7")
175        (eq_attr "type" "f_stored"))
176   "cm7_all_units")
178 (define_insn_reservation "cortex_m7_f_mcr" 1
179   (and (eq_attr "tune" "cortexm7")
180        (eq_attr "type" "f_mcrr,f_mrrc"))
181   "cm7_all_units")