;; Pipeline description for Motorola PowerPC e500mc core.
|
;; Pipeline description for Motorola PowerPC e500mc core.
|
;; Copyright (C) 2008 Free Software Foundation, Inc.
|
;; Copyright (C) 2008 Free Software Foundation, Inc.
|
;; Contributed by Edmar Wienskoski (edmar@freescale.com)
|
;; Contributed by Edmar Wienskoski (edmar@freescale.com)
|
;;
|
;;
|
;; This file is part of GCC.
|
;; This file is part of GCC.
|
;;
|
;;
|
;; GCC is free software; you can redistribute it and/or modify it
|
;; GCC is free software; you can redistribute it and/or modify it
|
;; under the terms of the GNU General Public License as published
|
;; under the terms of the GNU General Public License as published
|
;; by the Free Software Foundation; either version 3, or (at your
|
;; by the Free Software Foundation; either version 3, or (at your
|
;; option) any later version.
|
;; option) any later version.
|
;;
|
;;
|
;; GCC is distributed in the hope that it will be useful, but WITHOUT
|
;; GCC is distributed in the hope that it will be useful, but WITHOUT
|
;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
;; License for more details.
|
;; License for more details.
|
;;
|
;;
|
;; You should have received a copy of the GNU General Public License
|
;; You should have received a copy of the GNU General Public License
|
;; along with GCC; see the file COPYING3. If not see
|
;; along with GCC; see the file COPYING3. If not see
|
;; .
|
;; .
|
;;
|
;;
|
;; e500mc 32-bit SU(2), LSU, FPU, BPU
|
;; e500mc 32-bit SU(2), LSU, FPU, BPU
|
;; Max issue 3 insns/clock cycle (includes 1 branch)
|
;; Max issue 3 insns/clock cycle (includes 1 branch)
|
;; FP is half clocked, timings of other instructions are as in the e500v2.
|
;; FP is half clocked, timings of other instructions are as in the e500v2.
|
|
|
(define_automaton "e500mc_most,e500mc_long,e500mc_retire")
|
(define_automaton "e500mc_most,e500mc_long,e500mc_retire")
|
(define_cpu_unit "e500mc_decode_0,e500mc_decode_1" "e500mc_most")
|
(define_cpu_unit "e500mc_decode_0,e500mc_decode_1" "e500mc_most")
|
(define_cpu_unit "e500mc_issue_0,e500mc_issue_1" "e500mc_most")
|
(define_cpu_unit "e500mc_issue_0,e500mc_issue_1" "e500mc_most")
|
(define_cpu_unit "e500mc_retire_0,e500mc_retire_1" "e500mc_retire")
|
(define_cpu_unit "e500mc_retire_0,e500mc_retire_1" "e500mc_retire")
|
|
|
;; SU.
|
;; SU.
|
(define_cpu_unit "e500mc_su0_stage0,e500mc_su1_stage0" "e500mc_most")
|
(define_cpu_unit "e500mc_su0_stage0,e500mc_su1_stage0" "e500mc_most")
|
|
|
;; MU.
|
;; MU.
|
(define_cpu_unit "e500mc_mu_stage0,e500mc_mu_stage1" "e500mc_most")
|
(define_cpu_unit "e500mc_mu_stage0,e500mc_mu_stage1" "e500mc_most")
|
(define_cpu_unit "e500mc_mu_stage2,e500mc_mu_stage3" "e500mc_most")
|
(define_cpu_unit "e500mc_mu_stage2,e500mc_mu_stage3" "e500mc_most")
|
|
|
;; Non-pipelined division.
|
;; Non-pipelined division.
|
(define_cpu_unit "e500mc_mu_div" "e500mc_long")
|
(define_cpu_unit "e500mc_mu_div" "e500mc_long")
|
|
|
;; LSU.
|
;; LSU.
|
(define_cpu_unit "e500mc_lsu" "e500mc_most")
|
(define_cpu_unit "e500mc_lsu" "e500mc_most")
|
|
|
;; FPU.
|
;; FPU.
|
(define_cpu_unit "e500mc_fpu" "e500mc_most")
|
(define_cpu_unit "e500mc_fpu" "e500mc_most")
|
|
|
;; Branch unit.
|
;; Branch unit.
|
(define_cpu_unit "e500mc_bu" "e500mc_most")
|
(define_cpu_unit "e500mc_bu" "e500mc_most")
|
|
|
;; The following units are used to make the automata deterministic.
|
;; The following units are used to make the automata deterministic.
|
(define_cpu_unit "present_e500mc_decode_0" "e500mc_most")
|
(define_cpu_unit "present_e500mc_decode_0" "e500mc_most")
|
(define_cpu_unit "present_e500mc_issue_0" "e500mc_most")
|
(define_cpu_unit "present_e500mc_issue_0" "e500mc_most")
|
(define_cpu_unit "present_e500mc_retire_0" "e500mc_retire")
|
(define_cpu_unit "present_e500mc_retire_0" "e500mc_retire")
|
(define_cpu_unit "present_e500mc_su0_stage0" "e500mc_most")
|
(define_cpu_unit "present_e500mc_su0_stage0" "e500mc_most")
|
|
|
;; The following sets to make automata deterministic when option ndfa is used.
|
;; The following sets to make automata deterministic when option ndfa is used.
|
(presence_set "present_e500mc_decode_0" "e500mc_decode_0")
|
(presence_set "present_e500mc_decode_0" "e500mc_decode_0")
|
(presence_set "present_e500mc_issue_0" "e500mc_issue_0")
|
(presence_set "present_e500mc_issue_0" "e500mc_issue_0")
|
(presence_set "present_e500mc_retire_0" "e500mc_retire_0")
|
(presence_set "present_e500mc_retire_0" "e500mc_retire_0")
|
(presence_set "present_e500mc_su0_stage0" "e500mc_su0_stage0")
|
(presence_set "present_e500mc_su0_stage0" "e500mc_su0_stage0")
|
|
|
;; Some useful abbreviations.
|
;; Some useful abbreviations.
|
(define_reservation "e500mc_decode"
|
(define_reservation "e500mc_decode"
|
"e500mc_decode_0|e500mc_decode_1+present_e500mc_decode_0")
|
"e500mc_decode_0|e500mc_decode_1+present_e500mc_decode_0")
|
(define_reservation "e500mc_issue"
|
(define_reservation "e500mc_issue"
|
"e500mc_issue_0|e500mc_issue_1+present_e500mc_issue_0")
|
"e500mc_issue_0|e500mc_issue_1+present_e500mc_issue_0")
|
(define_reservation "e500mc_retire"
|
(define_reservation "e500mc_retire"
|
"e500mc_retire_0|e500mc_retire_1+present_e500mc_retire_0")
|
"e500mc_retire_0|e500mc_retire_1+present_e500mc_retire_0")
|
(define_reservation "e500mc_su_stage0"
|
(define_reservation "e500mc_su_stage0"
|
"e500mc_su0_stage0|e500mc_su1_stage0+present_e500mc_su0_stage0")
|
"e500mc_su0_stage0|e500mc_su1_stage0+present_e500mc_su0_stage0")
|
|
|
;; Simple SU insns.
|
;; Simple SU insns.
|
(define_insn_reservation "e500mc_su" 1
|
(define_insn_reservation "e500mc_su" 1
|
(and (eq_attr "type" "integer,insert_word,insert_dword,cmp,compare,\
|
(and (eq_attr "type" "integer,insert_word,insert_dword,cmp,compare,\
|
delayed_compare,var_delayed_compare,fast_compare,\
|
delayed_compare,var_delayed_compare,fast_compare,\
|
shift,trap,var_shift_rotate,cntlz,exts,isel")
|
shift,trap,var_shift_rotate,cntlz,exts,isel")
|
(eq_attr "cpu" "ppce500mc"))
|
(eq_attr "cpu" "ppce500mc"))
|
"e500mc_decode,e500mc_issue+e500mc_su_stage0+e500mc_retire")
|
"e500mc_decode,e500mc_issue+e500mc_su_stage0+e500mc_retire")
|
|
|
(define_insn_reservation "e500mc_two" 1
|
(define_insn_reservation "e500mc_two" 1
|
(and (eq_attr "type" "two")
|
(and (eq_attr "type" "two")
|
(eq_attr "cpu" "ppce500mc"))
|
(eq_attr "cpu" "ppce500mc"))
|
"e500mc_decode,e500mc_issue+e500mc_su_stage0+e500mc_retire,\
|
"e500mc_decode,e500mc_issue+e500mc_su_stage0+e500mc_retire,\
|
e500mc_issue+e500mc_su_stage0+e500mc_retire")
|
e500mc_issue+e500mc_su_stage0+e500mc_retire")
|
|
|
(define_insn_reservation "e500mc_three" 1
|
(define_insn_reservation "e500mc_three" 1
|
(and (eq_attr "type" "three")
|
(and (eq_attr "type" "three")
|
(eq_attr "cpu" "ppce500mc"))
|
(eq_attr "cpu" "ppce500mc"))
|
"e500mc_decode,e500mc_issue+e500mc_su_stage0+e500mc_retire,\
|
"e500mc_decode,e500mc_issue+e500mc_su_stage0+e500mc_retire,\
|
e500mc_issue+e500mc_su_stage0+e500mc_retire,\
|
e500mc_issue+e500mc_su_stage0+e500mc_retire,\
|
e500mc_issue+e500mc_su_stage0+e500mc_retire")
|
e500mc_issue+e500mc_su_stage0+e500mc_retire")
|
|
|
;; Multiply.
|
;; Multiply.
|
(define_insn_reservation "e500mc_multiply" 4
|
(define_insn_reservation "e500mc_multiply" 4
|
(and (eq_attr "type" "imul,imul2,imul3,imul_compare")
|
(and (eq_attr "type" "imul,imul2,imul3,imul_compare")
|
(eq_attr "cpu" "ppce500mc"))
|
(eq_attr "cpu" "ppce500mc"))
|
"e500mc_decode,e500mc_issue+e500mc_mu_stage0,e500mc_mu_stage1,\
|
"e500mc_decode,e500mc_issue+e500mc_mu_stage0,e500mc_mu_stage1,\
|
e500mc_mu_stage2,e500mc_mu_stage3+e500mc_retire")
|
e500mc_mu_stage2,e500mc_mu_stage3+e500mc_retire")
|
|
|
;; Divide. We use the average latency time here.
|
;; Divide. We use the average latency time here.
|
(define_insn_reservation "e500mc_divide" 14
|
(define_insn_reservation "e500mc_divide" 14
|
(and (eq_attr "type" "idiv")
|
(and (eq_attr "type" "idiv")
|
(eq_attr "cpu" "ppce500mc"))
|
(eq_attr "cpu" "ppce500mc"))
|
"e500mc_decode,e500mc_issue+e500mc_mu_stage0+e500mc_mu_div,\
|
"e500mc_decode,e500mc_issue+e500mc_mu_stage0+e500mc_mu_div,\
|
e500mc_mu_div*13")
|
e500mc_mu_div*13")
|
|
|
;; Branch.
|
;; Branch.
|
(define_insn_reservation "e500mc_branch" 1
|
(define_insn_reservation "e500mc_branch" 1
|
(and (eq_attr "type" "jmpreg,branch,isync")
|
(and (eq_attr "type" "jmpreg,branch,isync")
|
(eq_attr "cpu" "ppce500mc"))
|
(eq_attr "cpu" "ppce500mc"))
|
"e500mc_decode,e500mc_bu,e500mc_retire")
|
"e500mc_decode,e500mc_bu,e500mc_retire")
|
|
|
;; CR logical.
|
;; CR logical.
|
(define_insn_reservation "e500mc_cr_logical" 1
|
(define_insn_reservation "e500mc_cr_logical" 1
|
(and (eq_attr "type" "cr_logical,delayed_cr")
|
(and (eq_attr "type" "cr_logical,delayed_cr")
|
(eq_attr "cpu" "ppce500mc"))
|
(eq_attr "cpu" "ppce500mc"))
|
"e500mc_decode,e500mc_bu,e500mc_retire")
|
"e500mc_decode,e500mc_bu,e500mc_retire")
|
|
|
;; Mfcr.
|
;; Mfcr.
|
(define_insn_reservation "e500mc_mfcr" 1
|
(define_insn_reservation "e500mc_mfcr" 1
|
(and (eq_attr "type" "mfcr")
|
(and (eq_attr "type" "mfcr")
|
(eq_attr "cpu" "ppce500mc"))
|
(eq_attr "cpu" "ppce500mc"))
|
"e500mc_decode,e500mc_issue+e500mc_su1_stage0+e500mc_retire")
|
"e500mc_decode,e500mc_issue+e500mc_su1_stage0+e500mc_retire")
|
|
|
;; Mtcrf.
|
;; Mtcrf.
|
(define_insn_reservation "e500mc_mtcrf" 1
|
(define_insn_reservation "e500mc_mtcrf" 1
|
(and (eq_attr "type" "mtcr")
|
(and (eq_attr "type" "mtcr")
|
(eq_attr "cpu" "ppce500mc"))
|
(eq_attr "cpu" "ppce500mc"))
|
"e500mc_decode,e500mc_issue+e500mc_su1_stage0+e500mc_retire")
|
"e500mc_decode,e500mc_issue+e500mc_su1_stage0+e500mc_retire")
|
|
|
;; Mtjmpr.
|
;; Mtjmpr.
|
(define_insn_reservation "e500mc_mtjmpr" 1
|
(define_insn_reservation "e500mc_mtjmpr" 1
|
(and (eq_attr "type" "mtjmpr,mfjmpr")
|
(and (eq_attr "type" "mtjmpr,mfjmpr")
|
(eq_attr "cpu" "ppce500mc"))
|
(eq_attr "cpu" "ppce500mc"))
|
"e500mc_decode,e500mc_issue+e500mc_su_stage0+e500mc_retire")
|
"e500mc_decode,e500mc_issue+e500mc_su_stage0+e500mc_retire")
|
|
|
;; Brinc.
|
;; Brinc.
|
(define_insn_reservation "e500mc_brinc" 1
|
(define_insn_reservation "e500mc_brinc" 1
|
(and (eq_attr "type" "brinc")
|
(and (eq_attr "type" "brinc")
|
(eq_attr "cpu" "ppce500mc"))
|
(eq_attr "cpu" "ppce500mc"))
|
"e500mc_decode,e500mc_issue+e500mc_su_stage0+e500mc_retire")
|
"e500mc_decode,e500mc_issue+e500mc_su_stage0+e500mc_retire")
|
|
|
;; Loads.
|
;; Loads.
|
(define_insn_reservation "e500mc_load" 3
|
(define_insn_reservation "e500mc_load" 3
|
(and (eq_attr "type" "load,load_ext,load_ext_u,load_ext_ux,load_ux,load_u,\
|
(and (eq_attr "type" "load,load_ext,load_ext_u,load_ext_ux,load_ux,load_u,\
|
load_l,sync")
|
load_l,sync")
|
(eq_attr "cpu" "ppce500mc"))
|
(eq_attr "cpu" "ppce500mc"))
|
"e500mc_decode,e500mc_issue+e500mc_lsu,nothing,e500mc_retire")
|
"e500mc_decode,e500mc_issue+e500mc_lsu,nothing,e500mc_retire")
|
|
|
(define_insn_reservation "e500mc_fpload" 4
|
(define_insn_reservation "e500mc_fpload" 4
|
(and (eq_attr "type" "fpload,fpload_ux,fpload_u")
|
(and (eq_attr "type" "fpload,fpload_ux,fpload_u")
|
(eq_attr "cpu" "ppce500mc"))
|
(eq_attr "cpu" "ppce500mc"))
|
"e500mc_decode,e500mc_issue+e500mc_lsu,nothing*2,e500mc_retire")
|
"e500mc_decode,e500mc_issue+e500mc_lsu,nothing*2,e500mc_retire")
|
|
|
;; Stores.
|
;; Stores.
|
(define_insn_reservation "e500mc_store" 3
|
(define_insn_reservation "e500mc_store" 3
|
(and (eq_attr "type" "store,store_ux,store_u,store_c")
|
(and (eq_attr "type" "store,store_ux,store_u,store_c")
|
(eq_attr "cpu" "ppce500mc"))
|
(eq_attr "cpu" "ppce500mc"))
|
"e500mc_decode,e500mc_issue+e500mc_lsu,nothing,e500mc_retire")
|
"e500mc_decode,e500mc_issue+e500mc_lsu,nothing,e500mc_retire")
|
|
|
(define_insn_reservation "e500mc_fpstore" 3
|
(define_insn_reservation "e500mc_fpstore" 3
|
(and (eq_attr "type" "fpstore,fpstore_ux,fpstore_u")
|
(and (eq_attr "type" "fpstore,fpstore_ux,fpstore_u")
|
(eq_attr "cpu" "ppce500mc"))
|
(eq_attr "cpu" "ppce500mc"))
|
"e500mc_decode,e500mc_issue+e500mc_lsu,nothing,e500mc_retire")
|
"e500mc_decode,e500mc_issue+e500mc_lsu,nothing,e500mc_retire")
|
|
|
;; The following ignores the retire unit to avoid a large automata.
|
;; The following ignores the retire unit to avoid a large automata.
|
|
|
;; Simple FP.
|
;; Simple FP.
|
(define_insn_reservation "e500mc_simple_float" 8
|
(define_insn_reservation "e500mc_simple_float" 8
|
(and (eq_attr "type" "fpsimple")
|
(and (eq_attr "type" "fpsimple")
|
(eq_attr "cpu" "ppce500mc"))
|
(eq_attr "cpu" "ppce500mc"))
|
"e500mc_decode,e500mc_issue+e500mc_fpu")
|
"e500mc_decode,e500mc_issue+e500mc_fpu")
|
; "e500mc_decode,e500mc_issue+e500mc_fpu,nothing*6,e500mc_retire")
|
; "e500mc_decode,e500mc_issue+e500mc_fpu,nothing*6,e500mc_retire")
|
|
|
;; FP.
|
;; FP.
|
(define_insn_reservation "e500mc_float" 8
|
(define_insn_reservation "e500mc_float" 8
|
(and (eq_attr "type" "fp")
|
(and (eq_attr "type" "fp")
|
(eq_attr "cpu" "ppce500mc"))
|
(eq_attr "cpu" "ppce500mc"))
|
"e500mc_decode,e500mc_issue+e500mc_fpu")
|
"e500mc_decode,e500mc_issue+e500mc_fpu")
|
; "e500mc_decode,e500mc_issue+e500mc_fpu,nothing*6,e500mc_retire")
|
; "e500mc_decode,e500mc_issue+e500mc_fpu,nothing*6,e500mc_retire")
|
|
|
(define_insn_reservation "e500mc_fpcompare" 8
|
(define_insn_reservation "e500mc_fpcompare" 8
|
(and (eq_attr "type" "fpcompare")
|
(and (eq_attr "type" "fpcompare")
|
(eq_attr "cpu" "ppce500mc"))
|
(eq_attr "cpu" "ppce500mc"))
|
"e500mc_decode,e500mc_issue+e500mc_fpu")
|
"e500mc_decode,e500mc_issue+e500mc_fpu")
|
|
|
(define_insn_reservation "e500mc_dmul" 10
|
(define_insn_reservation "e500mc_dmul" 10
|
(and (eq_attr "type" "dmul")
|
(and (eq_attr "type" "dmul")
|
(eq_attr "cpu" "ppce500mc"))
|
(eq_attr "cpu" "ppce500mc"))
|
"e500mc_decode,e500mc_issue+e500mc_fpu")
|
"e500mc_decode,e500mc_issue+e500mc_fpu")
|
|
|
;; FP divides are not pipelined.
|
;; FP divides are not pipelined.
|
(define_insn_reservation "e500mc_sdiv" 36
|
(define_insn_reservation "e500mc_sdiv" 36
|
(and (eq_attr "type" "sdiv")
|
(and (eq_attr "type" "sdiv")
|
(eq_attr "cpu" "ppce500mc"))
|
(eq_attr "cpu" "ppce500mc"))
|
"e500mc_decode,e500mc_issue+e500mc_fpu,e500mc_fpu*35")
|
"e500mc_decode,e500mc_issue+e500mc_fpu,e500mc_fpu*35")
|
|
|
(define_insn_reservation "e500mc_ddiv" 66
|
(define_insn_reservation "e500mc_ddiv" 66
|
(and (eq_attr "type" "ddiv")
|
(and (eq_attr "type" "ddiv")
|
(eq_attr "cpu" "ppce500mc"))
|
(eq_attr "cpu" "ppce500mc"))
|
"e500mc_decode,e500mc_issue+e500mc_fpu,e500mc_fpu*65")
|
"e500mc_decode,e500mc_issue+e500mc_fpu,e500mc_fpu*65")
|
|
|
