projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 526b7aee SV |
1 | ;; DFA scheduling description of the Synopsys DesignWare ARC600 cpu |
| 2 | ;; for GNU C compiler | |
| a945c346 | 3 | ;; Copyright (C) 2007-2024 Free Software Foundation, Inc. |
| 526b7aee SV |
4 | ;; Contributor: Joern Rennecke <joern.rennecke@embecosm.com> |
| 5 | ;; on behalf of Synopsys Inc. | |
| 6 | ||
| 7 | ;; This file is part of GCC. | |
| 8 | ||
| 9 | ;; GCC is free software; you can redistribute it and/or modify | |
| 10 | ;; it under the terms of the GNU General Public License as published by | |
| 11 | ;; the Free Software Foundation; either version 3, or (at your option) | |
| 12 | ;; any later version. | |
| 13 | ||
| 14 | ;; GCC is distributed in the hope that it will be useful, | |
| 15 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 17 | ;; GNU General Public License for more details. | |
| 18 | ||
| 19 | ;; You should have received a copy of the GNU General Public License | |
| 20 | ;; along with GCC; see the file COPYING3. If not see | |
| 21 | ;; <http://www.gnu.org/licenses/>. | |
| 22 | ||
| 23 | (define_automaton "ARC600") | |
| 24 | ||
| 25 | (define_cpu_unit "issue_600" "ARC600") | |
| 26 | (define_cpu_unit "mul64_600" "ARC600") | |
| 27 | ||
| 28 | ; latency from flag-setting insns to branches is 3. | |
| 29 | (define_insn_reservation "compare_600" 3 | |
| 30 | (and (eq_attr "tune" "arc600") | |
| 31 | (eq_attr "type" "compare")) | |
| 32 | "issue_600") | |
| 33 | ||
| 34 | (define_insn_reservation "load_DI_600" 4 | |
| 35 | (and (eq_attr "tune" "arc600") | |
| 36 | (eq_attr "type" "load") | |
| 37 | (match_operand:DI 0 "" "")) | |
| 38 | "issue_600") | |
| 39 | ||
| 40 | (define_insn_reservation "load_600" 3 | |
| 41 | (and (eq_attr "tune" "arc600") | |
| 42 | (eq_attr "type" "load") | |
| 43 | (not (match_operand:DI 0 "" ""))) | |
| 44 | "issue_600") | |
| 45 | ||
| 46 | (define_insn_reservation "mul_600_fast" 3 | |
| 47 | (and (eq_attr "tune" "arc600") | |
| 48 | (match_test "arc_multcost < COSTS_N_INSNS (7)") | |
| 49 | (eq_attr "type" "multi,umulti")) | |
| 50 | "mul64_600*3") | |
| 51 | ||
| 52 | (define_insn_reservation "mul_600_slow" 8 | |
| 53 | (and (eq_attr "tune" "arc600") | |
| 54 | (match_test "arc_multcost >= COSTS_N_INSNS (7)") | |
| 55 | (eq_attr "type" "multi,umulti")) | |
| 56 | "mul64_600*8") | |
| 57 | ||
| 58 | (define_insn_reservation "mul_mac_600" 3 | |
| 59 | (and (eq_attr "tune" "arc600") | |
| 60 | (eq_attr "type" "mulmac_600")) | |
| 61 | "nothing*3") | |
| 62 | ||
| 63 | (define_bypass 1 "mul_mac_600" "mul_mac_600") |