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Diffstat (limited to 'gcc/config/aarch64/large.md')
| -rw-r--r-- | gcc/config/aarch64/large.md | 312 |
1 files changed, 0 insertions, 312 deletions
diff --git a/gcc/config/aarch64/large.md b/gcc/config/aarch64/large.md deleted file mode 100644 index 4316cc7dfaf..00000000000 --- a/gcc/config/aarch64/large.md +++ /dev/null @@ -1,312 +0,0 @@ -;; Copyright (C) 2012-2013 Free Software Foundation, Inc. -;; -;; Contributed by ARM Ltd. -;; -;; 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/>. - -;; In the absence of any ARMv8-A implementations, two examples derived -;; from ARM's most recent ARMv7-A cores (Cortex-A7 and Cortex-A15) are -;; included by way of example. This is a temporary measure. - -;; Example pipeline description for an example 'large' core -;; implementing AArch64 - -;;------------------------------------------------------- -;; General Description -;;------------------------------------------------------- - -(define_automaton "large_cpu") - -;; The core is modelled as a triple issue pipeline that has -;; the following dispatch units. -;; 1. Two pipelines for simple integer operations: int1, int2 -;; 2. Two pipelines for SIMD and FP data-processing operations: fpsimd1, fpsimd2 -;; 3. One pipeline for branch operations: br -;; 4. One pipeline for integer multiply and divide operations: multdiv -;; 5. Two pipelines for load and store operations: ls1, ls2 -;; -;; We can issue into three pipelines per-cycle. -;; -;; We assume that where we have unit pairs xxx1 is always filled before xxx2. - -;;------------------------------------------------------- -;; CPU Units and Reservations -;;------------------------------------------------------- - -;; The three issue units -(define_cpu_unit "large_cpu_unit_i1, large_cpu_unit_i2, large_cpu_unit_i3" "large_cpu") - -(define_reservation "large_cpu_resv_i1" - "(large_cpu_unit_i1 | large_cpu_unit_i2 | large_cpu_unit_i3)") - -(define_reservation "large_cpu_resv_i2" - "((large_cpu_unit_i1 + large_cpu_unit_i2) | (large_cpu_unit_i2 + large_cpu_unit_i3))") - -(define_reservation "large_cpu_resv_i3" - "(large_cpu_unit_i1 + large_cpu_unit_i2 + large_cpu_unit_i3)") - -(final_presence_set "large_cpu_unit_i2" "large_cpu_unit_i1") -(final_presence_set "large_cpu_unit_i3" "large_cpu_unit_i2") - -;; The main dispatch units -(define_cpu_unit "large_cpu_unit_int1, large_cpu_unit_int2" "large_cpu") -(define_cpu_unit "large_cpu_unit_fpsimd1, large_cpu_unit_fpsimd2" "large_cpu") -(define_cpu_unit "large_cpu_unit_ls1, large_cpu_unit_ls2" "large_cpu") -(define_cpu_unit "large_cpu_unit_br" "large_cpu") -(define_cpu_unit "large_cpu_unit_multdiv" "large_cpu") - -(define_reservation "large_cpu_resv_ls" "(large_cpu_unit_ls1 | large_cpu_unit_ls2)") - -;; The extended load-store pipeline -(define_cpu_unit "large_cpu_unit_load, large_cpu_unit_store" "large_cpu") - -;; The extended ALU pipeline -(define_cpu_unit "large_cpu_unit_int1_alu, large_cpu_unit_int2_alu" "large_cpu") -(define_cpu_unit "large_cpu_unit_int1_shf, large_cpu_unit_int2_shf" "large_cpu") -(define_cpu_unit "large_cpu_unit_int1_sat, large_cpu_unit_int2_sat" "large_cpu") - - -;;------------------------------------------------------- -;; Simple ALU Instructions -;;------------------------------------------------------- - -;; Simple ALU operations without shift -(define_insn_reservation "large_cpu_alu" 2 - (and (eq_attr "tune" "large") (eq_attr "v8type" "adc,alu,alu_ext")) - "large_cpu_resv_i1, \ - (large_cpu_unit_int1, large_cpu_unit_int1_alu) |\ - (large_cpu_unit_int2, large_cpu_unit_int2_alu)") - -(define_insn_reservation "large_cpu_logic" 2 - (and (eq_attr "tune" "large") (eq_attr "v8type" "logic,logic_imm")) - "large_cpu_resv_i1, \ - (large_cpu_unit_int1, large_cpu_unit_int1_alu) |\ - (large_cpu_unit_int2, large_cpu_unit_int2_alu)") - -(define_insn_reservation "large_cpu_shift" 2 - (and (eq_attr "tune" "large") (eq_attr "v8type" "shift,shift_imm")) - "large_cpu_resv_i1, \ - (large_cpu_unit_int1, large_cpu_unit_int1_shf) |\ - (large_cpu_unit_int2, large_cpu_unit_int2_shf)") - -;; Simple ALU operations with immediate shift -(define_insn_reservation "large_cpu_alu_shift" 3 - (and (eq_attr "tune" "large") (eq_attr "v8type" "alu_shift")) - "large_cpu_resv_i1, \ - (large_cpu_unit_int1, - large_cpu_unit_int1 + large_cpu_unit_int1_shf, large_cpu_unit_int1_alu) | \ - (large_cpu_unit_int2, - large_cpu_unit_int2 + large_cpu_unit_int2_shf, large_cpu_unit_int2_alu)") - -(define_insn_reservation "large_cpu_logic_shift" 3 - (and (eq_attr "tune" "large") (eq_attr "v8type" "logic_shift")) - "large_cpu_resv_i1, \ - (large_cpu_unit_int1, large_cpu_unit_int1_alu) |\ - (large_cpu_unit_int2, large_cpu_unit_int2_alu)") - - -;;------------------------------------------------------- -;; Multiplication/Division -;;------------------------------------------------------- - -;; Simple multiplication -(define_insn_reservation "large_cpu_mult_single" 3 - (and (eq_attr "tune" "large") - (and (eq_attr "v8type" "mult,madd") (eq_attr "mode" "SI"))) - "large_cpu_resv_i1, large_cpu_unit_multdiv") - -(define_insn_reservation "large_cpu_mult_double" 4 - (and (eq_attr "tune" "large") - (and (eq_attr "v8type" "mult,madd") (eq_attr "mode" "DI"))) - "large_cpu_resv_i1, large_cpu_unit_multdiv") - -;; 64-bit multiplication -(define_insn_reservation "large_cpu_mull" 4 - (and (eq_attr "tune" "large") (eq_attr "v8type" "mull,mulh,maddl")) - "large_cpu_resv_i1, large_cpu_unit_multdiv * 2") - -;; Division -(define_insn_reservation "large_cpu_udiv_single" 9 - (and (eq_attr "tune" "large") - (and (eq_attr "v8type" "udiv") (eq_attr "mode" "SI"))) - "large_cpu_resv_i1, large_cpu_unit_multdiv") - -(define_insn_reservation "large_cpu_udiv_double" 18 - (and (eq_attr "tune" "large") - (and (eq_attr "v8type" "udiv") (eq_attr "mode" "DI"))) - "large_cpu_resv_i1, large_cpu_unit_multdiv") - -(define_insn_reservation "large_cpu_sdiv_single" 10 - (and (eq_attr "tune" "large") - (and (eq_attr "v8type" "sdiv") (eq_attr "mode" "SI"))) - "large_cpu_resv_i1, large_cpu_unit_multdiv") - -(define_insn_reservation "large_cpu_sdiv_double" 20 - (and (eq_attr "tune" "large") - (and (eq_attr "v8type" "sdiv") (eq_attr "mode" "DI"))) - "large_cpu_resv_i1, large_cpu_unit_multdiv") - - -;;------------------------------------------------------- -;; Branches -;;------------------------------------------------------- - -;; Branches take one issue slot. -;; No latency as there is no result -(define_insn_reservation "large_cpu_branch" 0 - (and (eq_attr "tune" "large") (eq_attr "v8type" "branch")) - "large_cpu_resv_i1, large_cpu_unit_br") - - -;; Calls take up all issue slots, and form a block in the -;; pipeline. The result however is available the next cycle. -;; Addition of new units requires this to be updated. -(define_insn_reservation "large_cpu_call" 1 - (and (eq_attr "tune" "large") (eq_attr "v8type" "call")) - "large_cpu_resv_i3 | large_cpu_resv_i2, \ - large_cpu_unit_int1 + large_cpu_unit_int2 + large_cpu_unit_br + \ - large_cpu_unit_multdiv + large_cpu_unit_fpsimd1 + large_cpu_unit_fpsimd2 + \ - large_cpu_unit_ls1 + large_cpu_unit_ls2,\ - large_cpu_unit_int1_alu + large_cpu_unit_int1_shf + large_cpu_unit_int1_sat + \ - large_cpu_unit_int2_alu + large_cpu_unit_int2_shf + \ - large_cpu_unit_int2_sat + large_cpu_unit_load + large_cpu_unit_store") - - -;;------------------------------------------------------- -;; Load/Store Instructions -;;------------------------------------------------------- - -;; Loads of up to two words. -(define_insn_reservation "large_cpu_load1" 4 - (and (eq_attr "tune" "large") (eq_attr "v8type" "load_acq,load1,load2")) - "large_cpu_resv_i1, large_cpu_resv_ls, large_cpu_unit_load, nothing") - -;; Stores of up to two words. -(define_insn_reservation "large_cpu_store1" 0 - (and (eq_attr "tune" "large") (eq_attr "v8type" "store_rel,store1,store2")) - "large_cpu_resv_i1, large_cpu_resv_ls, large_cpu_unit_store") - - -;;------------------------------------------------------- -;; Floating-point arithmetic. -;;------------------------------------------------------- - -(define_insn_reservation "large_cpu_fpalu" 4 - (and (eq_attr "tune" "large") - (eq_attr "v8type" "ffarith,fadd,fccmp,fcvt,fcmp")) - "large_cpu_resv_i1 + large_cpu_unit_fpsimd1") - -(define_insn_reservation "large_cpu_fconst" 3 - (and (eq_attr "tune" "large") - (eq_attr "v8type" "fconst")) - "large_cpu_resv_i1 + large_cpu_unit_fpsimd1") - -(define_insn_reservation "large_cpu_fpmuls" 4 - (and (eq_attr "tune" "large") - (and (eq_attr "v8type" "fmul,fmadd") (eq_attr "mode" "SF"))) - "large_cpu_resv_i1 + large_cpu_unit_fpsimd1") - -(define_insn_reservation "large_cpu_fpmuld" 7 - (and (eq_attr "tune" "large") - (and (eq_attr "v8type" "fmul,fmadd") (eq_attr "mode" "DF"))) - "large_cpu_resv_i1 + large_cpu_unit_fpsimd1, large_cpu_unit_fpsimd1 * 2,\ - large_cpu_resv_i1 + large_cpu_unit_fpsimd1") - - -;;------------------------------------------------------- -;; Floating-point Division -;;------------------------------------------------------- - -;; Single-precision divide takes 14 cycles to complete, and this -;; includes the time taken for the special instruction used to collect the -;; result to travel down the multiply pipeline. - -(define_insn_reservation "large_cpu_fdivs" 14 - (and (eq_attr "tune" "large") - (and (eq_attr "v8type" "fdiv,fsqrt") (eq_attr "mode" "SF"))) - "large_cpu_resv_i1, large_cpu_unit_fpsimd1 * 13") - -(define_insn_reservation "large_cpu_fdivd" 29 - (and (eq_attr "tune" "large") - (and (eq_attr "v8type" "fdiv,fsqrt") (eq_attr "mode" "DF"))) - "large_cpu_resv_i1, large_cpu_unit_fpsimd1 * 28") - - - -;;------------------------------------------------------- -;; Floating-point Transfers -;;------------------------------------------------------- - -(define_insn_reservation "large_cpu_i2f" 4 - (and (eq_attr "tune" "large") - (eq_attr "v8type" "fmovi2f")) - "large_cpu_resv_i1") - -(define_insn_reservation "large_cpu_f2i" 2 - (and (eq_attr "tune" "large") - (eq_attr "v8type" "fmovf2i")) - "large_cpu_resv_i1") - - -;;------------------------------------------------------- -;; Floating-point Load/Store -;;------------------------------------------------------- - -(define_insn_reservation "large_cpu_floads" 4 - (and (eq_attr "tune" "large") - (and (eq_attr "v8type" "fpsimd_load,fpsimd_load2") (eq_attr "mode" "SF"))) - "large_cpu_resv_i1") - -(define_insn_reservation "large_cpu_floadd" 5 - (and (eq_attr "tune" "large") - (and (eq_attr "v8type" "fpsimd_load,fpsimd_load2") (eq_attr "mode" "DF"))) - "large_cpu_resv_i1 + large_cpu_unit_br, large_cpu_resv_i1") - -(define_insn_reservation "large_cpu_fstores" 0 - (and (eq_attr "tune" "large") - (and (eq_attr "v8type" "fpsimd_store,fpsimd_store2") (eq_attr "mode" "SF"))) - "large_cpu_resv_i1") - -(define_insn_reservation "large_cpu_fstored" 0 - (and (eq_attr "tune" "large") - (and (eq_attr "v8type" "fpsimd_store,fpsimd_store2") (eq_attr "mode" "DF"))) - "large_cpu_resv_i1 + large_cpu_unit_br, large_cpu_resv_i1") - - -;;------------------------------------------------------- -;; Bypasses -;;------------------------------------------------------- - -(define_bypass 1 "large_cpu_alu, large_cpu_logic, large_cpu_shift" - "large_cpu_alu, large_cpu_alu_shift, large_cpu_logic, large_cpu_logic_shift, large_cpu_shift") - -(define_bypass 2 "large_cpu_alu_shift, large_cpu_logic_shift" - "large_cpu_alu, large_cpu_alu_shift, large_cpu_logic, large_cpu_logic_shift, large_cpu_shift") - -(define_bypass 1 "large_cpu_alu, large_cpu_logic, large_cpu_shift" "large_cpu_load1") - -(define_bypass 2 "large_cpu_alu_shift, large_cpu_logic_shift" "large_cpu_load1") - -(define_bypass 2 "large_cpu_floads" - "large_cpu_fpalu, large_cpu_fpmuld,\ - large_cpu_fdivs, large_cpu_fdivd,\ - large_cpu_f2i") - -(define_bypass 3 "large_cpu_floadd" - "large_cpu_fpalu, large_cpu_fpmuld,\ - large_cpu_fdivs, large_cpu_fdivd,\ - large_cpu_f2i") |