diff options
Diffstat (limited to 'gcc-4.9/gcc/config/arm/marvell-pj4.md')
| -rw-r--r-- | gcc-4.9/gcc/config/arm/marvell-pj4.md | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/arm/marvell-pj4.md b/gcc-4.9/gcc/config/arm/marvell-pj4.md new file mode 100644 index 000000000..0b9d6ebad --- /dev/null +++ b/gcc-4.9/gcc/config/arm/marvell-pj4.md @@ -0,0 +1,232 @@ +;; Marvell ARM Processor Pipeline Description +;; Copyright (C) 2010-2014 Free Software Foundation, Inc. +;; Contributed by Marvell. + +;; 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/>. + +;; Pipeline description for the Marvell PJ4, aka "Flareon". +(define_automaton "pj4") + +;; Issue resources +(define_cpu_unit "pj4_is1,pj4_is2" "pj4") +(define_reservation "pj4_is" "(pj4_is1|pj4_is2)") +(define_reservation "pj4_isb" "(pj4_is1+pj4_is2)") + +;; Functional units +(define_cpu_unit "pj4_alu1,pj4_alu2,pj4_mul,pj4_div" "pj4") + +;; Completion ports +(define_cpu_unit "pj4_w1,pj4_w2" "pj4") + +;; Complete/Retire control +(define_cpu_unit "pj4_c1,pj4_c2" "pj4") +(define_reservation "pj4_cp" "(pj4_c1|pj4_c2)") +(define_reservation "pj4_cpb" "(pj4_c1+pj4_c2)") + +;; Integer arithmetic instructions + +(define_insn_reservation "pj4_alu_e1" 1 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "type" "mov_imm,mov_reg,mvn_imm,mvn_reg") + (not (eq_attr "conds" "set"))) + "pj4_is,(pj4_alu1,pj4_w1+pj4_cp)|(pj4_alu2,pj4_w2+pj4_cp)") + +(define_insn_reservation "pj4_alu_e1_conds" 4 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "type" "mov_imm,mov_reg,mvn_imm,mvn_reg") + (eq_attr "conds" "set")) + "pj4_is,(pj4_alu1,pj4_w1+pj4_cp)|(pj4_alu2,pj4_w2+pj4_cp)") + +(define_insn_reservation "pj4_alu" 1 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "type" "alu_imm,alus_imm,alu_reg,alus_reg,\ + logic_imm,logics_imm,logic_reg,logics_reg,\ + adc_imm,adcs_imm,adc_reg,adcs_reg,\ + adr,bfm,rev,\ + shift_imm,shift_reg") + (not (eq_attr "conds" "set"))) + "pj4_is,(pj4_alu1,pj4_w1+pj4_cp)|(pj4_alu2,pj4_w2+pj4_cp)") + +(define_insn_reservation "pj4_alu_conds" 4 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "type" "alu_imm,alus_imm,alu_reg,alus_reg,\ + logic_imm,logics_imm,logic_reg,logics_reg,\ + adc_imm,adcs_imm,adc_reg,adcs_reg,\ + adr,bfm,rev,\ + shift_imm,shift_reg") + (eq_attr "conds" "set")) + "pj4_is,(pj4_alu1,pj4_w1+pj4_cp)|(pj4_alu2,pj4_w2+pj4_cp)") + +(define_insn_reservation "pj4_shift" 1 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "type" "alu_shift_imm,logic_shift_imm,\ + alus_shift_imm,logics_shift_imm,\ + alu_shift_reg,logic_shift_reg,\ + alus_shift_reg,logics_shift_reg,\ + extend,\ + mov_shift,mvn_shift,mov_shift_reg,mvn_shift_reg") + (not (eq_attr "conds" "set")) + (eq_attr "shift" "1")) "pj4_is,(pj4_alu1,pj4_w1+pj4_cp)|(pj4_alu2,pj4_w2+pj4_cp)") + +(define_insn_reservation "pj4_shift_conds" 4 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "type" "alu_shift_imm,logic_shift_imm,\ + alus_shift_imm,logics_shift_imm,\ + alu_shift_reg,logic_shift_reg,\ + alus_shift_reg,logics_shift_reg,\ + extend,\ + mov_shift,mvn_shift,mov_shift_reg,mvn_shift_reg") + (eq_attr "conds" "set") + (eq_attr "shift" "1")) "pj4_is,(pj4_alu1,pj4_w1+pj4_cp)|(pj4_alu2,pj4_w2+pj4_cp)") + +(define_insn_reservation "pj4_alu_shift" 1 + (and (eq_attr "tune" "marvell_pj4") + (not (eq_attr "conds" "set")) + (eq_attr "type" "alu_shift_imm,logic_shift_imm,\ + alus_shift_imm,logics_shift_imm,\ + alu_shift_reg,logic_shift_reg,\ + alus_shift_reg,logics_shift_reg,\ + extend,\ + mov_shift,mvn_shift,mov_shift_reg,mvn_shift_reg")) + "pj4_is,(pj4_alu1,nothing,pj4_w1+pj4_cp)|(pj4_alu2,nothing,pj4_w2+pj4_cp)") + +(define_insn_reservation "pj4_alu_shift_conds" 4 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "conds" "set") + (eq_attr "type" "alu_shift_imm,logic_shift_imm,alus_shift_imm,logics_shift_imm,\ + alu_shift_reg,logic_shift_reg,alus_shift_reg,logics_shift_reg,\ + extend,\ + mov_shift,mvn_shift,mov_shift_reg,mvn_shift_reg")) + "pj4_is,(pj4_alu1,nothing,pj4_w1+pj4_cp)|(pj4_alu2,nothing,pj4_w2+pj4_cp)") + +(define_bypass 2 "pj4_alu_shift,pj4_shift" + "pj4_ir_mul,pj4_ir_div,pj4_core_to_vfp") + +(define_insn_reservation "pj4_ir_mul" 3 + (and (eq_attr "tune" "marvell_pj4") + (ior (eq_attr "mul32" "yes") + (eq_attr "mul64" "yes"))) + "pj4_is,pj4_mul,nothing*2,pj4_cp") + +(define_insn_reservation "pj4_ir_div" 20 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "type" "udiv,sdiv")) "pj4_is,pj4_div*19,pj4_cp") + +;; Branches and calls. + +(define_insn_reservation "pj4_branches" 0 + (and (eq_attr "tune" "marvell_pj4") (eq_attr "type" "branch")) "pj4_is") + +(define_insn_reservation "pj4_calls" 32 + (and (eq_attr "tune" "marvell_pj4") (eq_attr "type" "call")) "pj4_is") + +;; Load/store instructions + +(define_insn_reservation "pj4_ldr" 3 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "type" "load_byte,load1")) + "pj4_is,pj4_alu1,nothing*2,pj4_cp") + +(define_insn_reservation "pj4_ldrd" 3 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "type" "load2")) + "pj4_is,pj4_alu1,nothing*2,pj4_cpb") + +(define_insn_reservation "pj4_str" 1 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "type" "store1")) + "pj4_is,pj4_alu1,nothing*2,pj4_cp") + +(define_insn_reservation "pj4_strd" 1 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "type" "store2")) + "pj4_is,pj4_alu1,nothing*2,pj4_cpb") + +(define_insn_reservation "pj4_ldm" 4 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "type" "load3,load4")) "pj4_isb,pj4_isb+pj4_alu1,pj4_alu1,nothing,pj4_cp,pj4_cp") + +(define_insn_reservation "pj4_stm" 2 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "type" "store3,store4")) "pj4_isb,pj4_isb+pj4_alu1,pj4_alu1,nothing,pj4_cp,pj4_cp") + +;; Loads forward at WR-stage to ALU pipes +(define_bypass 2 "pj4_ldr,pj4_ldrd" "pj4_alu") +(define_bypass 2 "pj4_ldr,pj4_ldrd" "pj4_alu_shift" "arm_no_early_alu_shift_dep") + +(define_bypass 4 "pj4_ldr,pj4_ldrd" "pj4_ir_mul,pj4_ir_div,pj4_core_to_vfp") +(define_bypass 5 "pj4_ldm" "pj4_ir_mul,pj4_ir_div,pj4_core_to_vfp") + +;; Loads to stores can back-to-back forward +(define_bypass 1 "pj4_ldr,pj4_ldrd" "pj4_str,pj4_strd" "arm_no_early_store_addr_dep") + +;; PJ4 VFP floating point unit +(define_automaton "pj4_vfp") + +(define_cpu_unit "vissue" "pj4_vfp") +(define_cpu_unit "vadd" "pj4_vfp") +(define_cpu_unit "vmul" "pj4_vfp") +(define_cpu_unit "vdiv" "pj4_vfp") +(define_cpu_unit "vfast" "pj4_vfp") + +(define_insn_reservation "pj4_vfp_add" 5 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "type" "fadds,faddd")) "pj4_is,nothing*2,vissue,vadd,nothing*3") + +(define_insn_reservation "pj4_vfp_mul" 6 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "type" "fmuls,fmuld")) "pj4_is,nothing*2,vissue,vmul,nothing*4") + +(define_insn_reservation "pj4_vfp_divs" 20 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "type" "fdivs, fsqrts")) "pj4_is,nothing*2,vissue,vdiv*18,nothing") + +(define_insn_reservation "pj4_vfp_divd" 34 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "type" "fdivd, fsqrtd")) "pj4_is,nothing*2,vissue,vdiv*32,nothing") + +(define_insn_reservation "pj4_vfp_mac" 9 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "type" "fmacs,fmacd")) + "pj4_is,nothing*2,vissue,vmul,nothing*3,vadd,nothing*3") + +(define_bypass 5 "pj4_vfp_mac" "pj4_vfp_mac" "arm_no_early_mul_dep") + +(define_insn_reservation "pj4_vfp_cpy" 4 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "type" "fmov,ffariths,ffarithd,fconsts,fconstd,\ + fcmps,fcmpd,f_cvt,f_cvtf2i,f_cvti2f")) +"pj4_is,nothing*2,vissue,vfast,nothing*2") + +;; Enlarge latency, and wish that more nondependent insns are +;; scheduled immediately after VFP load. +(define_insn_reservation "pj4_vfp_load" 4 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "type" "f_loads,f_loadd")) "pj4_isb,pj4_alu1,nothing,vissue,pj4_cp") + +(define_insn_reservation "pj4_vfp_store" 1 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "type" "f_stores,f_stored")) "pj4_isb,pj4_alu1,nothing,vissue,pj4_cp") + +(define_insn_reservation "pj4_vfp_to_core" 7 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "type" "f_mrc,f_mrrc,f_flag")) "pj4_isb,nothing,nothing,vissue,vfast,nothing*2") + +(define_insn_reservation "pj4_core_to_vfp" 2 + (and (eq_attr "tune" "marvell_pj4") + (eq_attr "type" "f_mcr,f_mcrr")) "pj4_isb,pj4_alu1,pj4_w1,vissue,pj4_cp") + |