URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [config/] [i386/] [atom.md] - Rev 758
Go to most recent revision | Compare with Previous | Blame | View Log
;; Atom Scheduling
;; Copyright (C) 2009, 2010 Free Software Foundation, Inc.
;;
;; 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/>.
;;
;; Atom is an in-order core with two integer pipelines.
(define_attr "atom_unit" "sishuf,simul,jeu,complex,other"
(const_string "other"))
(define_attr "atom_sse_attr" "rcp,movdup,lfence,fence,prefetch,sqrt,mxcsr,other"
(const_string "other"))
(define_automaton "atom")
;; Atom has two ports: port 0 and port 1 connecting to all execution units
(define_cpu_unit "atom-port-0,atom-port-1" "atom")
;; EU: Execution Unit
;; Atom EUs are connected by port 0 or port 1.
(define_cpu_unit "atom-eu-0, atom-eu-1,
atom-imul-1, atom-imul-2, atom-imul-3, atom-imul-4"
"atom")
;; Some EUs have duplicated copied and can be accessed via either
;; port 0 or port 1
;; (define_reservation "atom-port-either" "(atom-port-0 | atom-port-1)")
;;; Some instructions is dual-pipe execution, need both ports
;;; Complex multi-op macro-instructoins need both ports and all EUs
(define_reservation "atom-port-dual" "(atom-port-0 + atom-port-1)")
(define_reservation "atom-all-eu" "(atom-eu-0 + atom-eu-1 +
atom-imul-1 + atom-imul-2 + atom-imul-3 +
atom-imul-4)")
;;; Most of simple instructions have 1 cycle latency. Some of them
;;; issue in port 0, some in port 0 and some in either port.
(define_reservation "atom-simple-0" "(atom-port-0 + atom-eu-0)")
(define_reservation "atom-simple-1" "(atom-port-1 + atom-eu-1)")
(define_reservation "atom-simple-either" "(atom-simple-0 | atom-simple-1)")
;;; Some insn issues in port 0 with 3 cycle latency and 1 cycle tput
(define_reservation "atom-eu-0-3-1" "(atom-port-0 + atom-eu-0, nothing*2)")
;;; fmul insn can have 4 or 5 cycles latency
(define_reservation "atom-fmul-5c" "(atom-port-0 + atom-eu-0), nothing*4")
(define_reservation "atom-fmul-4c" "(atom-port-0 + atom-eu-0), nothing*3")
;;; fadd can has 5 cycles latency depends on instruction forms
(define_reservation "atom-fadd-5c" "(atom-port-1 + atom-eu-1), nothing*5")
;;; imul insn has 5 cycles latency
(define_reservation "atom-imul-32"
"atom-imul-1, atom-imul-2, atom-imul-3, atom-imul-4,
atom-port-0")
;;; imul instruction excludes other non-FP instructions.
(exclusion_set "atom-eu-0, atom-eu-1"
"atom-imul-1, atom-imul-2, atom-imul-3, atom-imul-4")
;;; dual-execution instructions can have 1,2,4,5 cycles latency depends on
;;; instruction forms
(define_reservation "atom-dual-1c" "(atom-port-dual + atom-eu-0 + atom-eu-1)")
(define_reservation "atom-dual-2c"
"(atom-port-dual + atom-eu-0 + atom-eu-1, nothing)")
(define_reservation "atom-dual-5c"
"(atom-port-dual + atom-eu-0 + atom-eu-1, nothing*4)")
;;; Complex macro-instruction has variants of latency, and uses both ports.
(define_reservation "atom-complex" "(atom-port-dual + atom-all-eu)")
(define_insn_reservation "atom_other" 9
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "other")
(eq_attr "atom_unit" "!jeu")))
"atom-complex, atom-all-eu*8")
;; return has type "other" with atom_unit "jeu"
(define_insn_reservation "atom_other_2" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "other")
(eq_attr "atom_unit" "jeu")))
"atom-dual-1c")
(define_insn_reservation "atom_multi" 9
(and (eq_attr "cpu" "atom")
(eq_attr "type" "multi"))
"atom-complex, atom-all-eu*8")
;; Normal alu insns without carry
(define_insn_reservation "atom_alu" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "alu")
(and (eq_attr "memory" "none")
(eq_attr "use_carry" "0"))))
"atom-simple-either")
;; Normal alu insns without carry
(define_insn_reservation "atom_alu_mem" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "alu")
(and (eq_attr "memory" "!none")
(eq_attr "use_carry" "0"))))
"atom-simple-either")
;; Alu insn consuming CF, such as add/sbb
(define_insn_reservation "atom_alu_carry" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "alu")
(and (eq_attr "memory" "none")
(eq_attr "use_carry" "1"))))
"atom-simple-either")
;; Alu insn consuming CF, such as add/sbb
(define_insn_reservation "atom_alu_carry_mem" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "alu")
(and (eq_attr "memory" "!none")
(eq_attr "use_carry" "1"))))
"atom-simple-either")
(define_insn_reservation "atom_alu1" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "alu1")
(eq_attr "memory" "none")))
"atom-simple-either")
(define_insn_reservation "atom_alu1_mem" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "alu1")
(eq_attr "memory" "!none")))
"atom-simple-either")
(define_insn_reservation "atom_negnot" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "negnot")
(eq_attr "memory" "none")))
"atom-simple-either")
(define_insn_reservation "atom_negnot_mem" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "negnot")
(eq_attr "memory" "!none")))
"atom-simple-either")
(define_insn_reservation "atom_imov" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "imov")
(eq_attr "memory" "none")))
"atom-simple-either")
(define_insn_reservation "atom_imov_mem" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "imov")
(eq_attr "memory" "!none")))
"atom-simple-either")
;; 16<-16, 32<-32
(define_insn_reservation "atom_imovx" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "imovx")
(and (eq_attr "memory" "none")
(ior (and (match_operand:HI 0 "register_operand")
(match_operand:HI 1 "general_operand"))
(and (match_operand:SI 0 "register_operand")
(match_operand:SI 1 "general_operand"))))))
"atom-simple-either")
;; 16<-16, 32<-32, mem
(define_insn_reservation "atom_imovx_mem" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "imovx")
(and (eq_attr "memory" "!none")
(ior (and (match_operand:HI 0 "register_operand")
(match_operand:HI 1 "general_operand"))
(and (match_operand:SI 0 "register_operand")
(match_operand:SI 1 "general_operand"))))))
"atom-simple-either")
;; 32<-16, 32<-8, 64<-16, 64<-8, 64<-32, 8<-8
(define_insn_reservation "atom_imovx_2" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "imovx")
(and (eq_attr "memory" "none")
(ior (match_operand:QI 0 "register_operand")
(ior (and (match_operand:SI 0 "register_operand")
(not (match_operand:SI 1 "general_operand")))
(match_operand:DI 0 "register_operand"))))))
"atom-simple-0")
;; 32<-16, 32<-8, 64<-16, 64<-8, 64<-32, 8<-8, mem
(define_insn_reservation "atom_imovx_2_mem" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "imovx")
(and (eq_attr "memory" "!none")
(ior (match_operand:QI 0 "register_operand")
(ior (and (match_operand:SI 0 "register_operand")
(not (match_operand:SI 1 "general_operand")))
(match_operand:DI 0 "register_operand"))))))
"atom-simple-0")
;; 16<-8
(define_insn_reservation "atom_imovx_3" 3
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "imovx")
(and (match_operand:HI 0 "register_operand")
(match_operand:QI 1 "general_operand"))))
"atom-complex, atom-all-eu*2")
(define_insn_reservation "atom_lea" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "lea")
(eq_attr "mode" "!HI")))
"atom-simple-either")
;; lea 16bit address is complex insn
(define_insn_reservation "atom_lea_2" 2
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "lea")
(eq_attr "mode" "HI")))
"atom-complex, atom-all-eu")
(define_insn_reservation "atom_incdec" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "incdec")
(eq_attr "memory" "none")))
"atom-simple-either")
(define_insn_reservation "atom_incdec_mem" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "incdec")
(eq_attr "memory" "!none")))
"atom-simple-either")
;; simple shift instruction use SHIFT eu, none memory
(define_insn_reservation "atom_ishift" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "ishift")
(and (eq_attr "memory" "none") (eq_attr "prefix_0f" "0"))))
"atom-simple-0")
;; simple shift instruction use SHIFT eu, memory
(define_insn_reservation "atom_ishift_mem" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "ishift")
(and (eq_attr "memory" "!none") (eq_attr "prefix_0f" "0"))))
"atom-simple-0")
;; DF shift (prefixed with 0f) is complex insn with latency of 7 cycles
(define_insn_reservation "atom_ishift_3" 7
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "ishift")
(eq_attr "prefix_0f" "1")))
"atom-complex, atom-all-eu*6")
(define_insn_reservation "atom_ishift1" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "ishift1")
(eq_attr "memory" "none")))
"atom-simple-0")
(define_insn_reservation "atom_ishift1_mem" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "ishift1")
(eq_attr "memory" "!none")))
"atom-simple-0")
(define_insn_reservation "atom_rotate" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "rotate")
(eq_attr "memory" "none")))
"atom-simple-0")
(define_insn_reservation "atom_rotate_mem" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "rotate")
(eq_attr "memory" "!none")))
"atom-simple-0")
(define_insn_reservation "atom_rotate1" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "rotate1")
(eq_attr "memory" "none")))
"atom-simple-0")
(define_insn_reservation "atom_rotate1_mem" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "rotate1")
(eq_attr "memory" "!none")))
"atom-simple-0")
(define_insn_reservation "atom_imul" 5
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "imul")
(and (eq_attr "memory" "none") (eq_attr "mode" "SI"))))
"atom-imul-32")
(define_insn_reservation "atom_imul_mem" 5
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "imul")
(and (eq_attr "memory" "!none") (eq_attr "mode" "SI"))))
"atom-imul-32")
;; latency set to 10 as common 64x64 imul
(define_insn_reservation "atom_imul_3" 10
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "imul")
(eq_attr "mode" "!SI")))
"atom-complex, atom-all-eu*9")
(define_insn_reservation "atom_idiv" 65
(and (eq_attr "cpu" "atom")
(eq_attr "type" "idiv"))
"atom-complex, atom-all-eu*32, nothing*32")
(define_insn_reservation "atom_icmp" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "icmp")
(eq_attr "memory" "none")))
"atom-simple-either")
(define_insn_reservation "atom_icmp_mem" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "icmp")
(eq_attr "memory" "!none")))
"atom-simple-either")
(define_insn_reservation "atom_test" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "test")
(eq_attr "memory" "none")))
"atom-simple-either")
(define_insn_reservation "atom_test_mem" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "test")
(eq_attr "memory" "!none")))
"atom-simple-either")
(define_insn_reservation "atom_ibr" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "ibr")
(eq_attr "memory" "!load")))
"atom-simple-1")
;; complex if jump target is from address
(define_insn_reservation "atom_ibr_2" 2
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "ibr")
(eq_attr "memory" "load")))
"atom-complex, atom-all-eu")
(define_insn_reservation "atom_setcc" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "setcc")
(eq_attr "memory" "!store")))
"atom-simple-either")
;; 2 cycles complex if target is in memory
(define_insn_reservation "atom_setcc_2" 2
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "setcc")
(eq_attr "memory" "store")))
"atom-complex, atom-all-eu")
(define_insn_reservation "atom_icmov" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "icmov")
(eq_attr "memory" "none")))
"atom-simple-either")
(define_insn_reservation "atom_icmov_mem" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "icmov")
(eq_attr "memory" "!none")))
"atom-simple-either")
;; UCODE if segreg, ignored
(define_insn_reservation "atom_push" 2
(and (eq_attr "cpu" "atom")
(eq_attr "type" "push"))
"atom-dual-2c")
;; pop r64 is 1 cycle. UCODE if segreg, ignored
(define_insn_reservation "atom_pop" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "pop")
(eq_attr "mode" "DI")))
"atom-dual-1c")
;; pop non-r64 is 2 cycles. UCODE if segreg, ignored
(define_insn_reservation "atom_pop_2" 2
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "pop")
(eq_attr "mode" "!DI")))
"atom-dual-2c")
;; UCODE if segreg, ignored
(define_insn_reservation "atom_call" 1
(and (eq_attr "cpu" "atom")
(eq_attr "type" "call"))
"atom-dual-1c")
(define_insn_reservation "atom_callv" 1
(and (eq_attr "cpu" "atom")
(eq_attr "type" "callv"))
"atom-dual-1c")
(define_insn_reservation "atom_leave" 3
(and (eq_attr "cpu" "atom")
(eq_attr "type" "leave"))
"atom-complex, atom-all-eu*2")
(define_insn_reservation "atom_str" 3
(and (eq_attr "cpu" "atom")
(eq_attr "type" "str"))
"atom-complex, atom-all-eu*2")
(define_insn_reservation "atom_sselog" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "sselog")
(eq_attr "memory" "none")))
"atom-simple-either")
(define_insn_reservation "atom_sselog_mem" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "sselog")
(eq_attr "memory" "!none")))
"atom-simple-either")
(define_insn_reservation "atom_sselog1" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "sselog1")
(eq_attr "memory" "none")))
"atom-simple-0")
(define_insn_reservation "atom_sselog1_mem" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "sselog1")
(eq_attr "memory" "!none")))
"atom-simple-0")
;; not pmad, not psad
(define_insn_reservation "atom_sseiadd" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "sseiadd")
(and (not (match_operand:V2DI 0 "register_operand"))
(and (eq_attr "atom_unit" "!simul")
(eq_attr "atom_unit" "!complex")))))
"atom-simple-either")
;; pmad, psad and 64
(define_insn_reservation "atom_sseiadd_2" 4
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "sseiadd")
(and (not (match_operand:V2DI 0 "register_operand"))
(and (eq_attr "atom_unit" "simul" )
(eq_attr "mode" "DI")))))
"atom-fmul-4c")
;; pmad, psad and 128
(define_insn_reservation "atom_sseiadd_3" 5
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "sseiadd")
(and (not (match_operand:V2DI 0 "register_operand"))
(and (eq_attr "atom_unit" "simul" )
(eq_attr "mode" "TI")))))
"atom-fmul-5c")
;; if paddq(64 bit op), phadd/phsub
(define_insn_reservation "atom_sseiadd_4" 6
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "sseiadd")
(ior (match_operand:V2DI 0 "register_operand")
(eq_attr "atom_unit" "complex"))))
"atom-complex, atom-all-eu*5")
;; if immediate op.
(define_insn_reservation "atom_sseishft" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "sseishft")
(and (eq_attr "atom_unit" "!sishuf")
(match_operand 2 "immediate_operand"))))
"atom-simple-either")
;; if palignr or psrldq
(define_insn_reservation "atom_sseishft_2" 1
(and (eq_attr "cpu" "atom")
(ior (eq_attr "type" "sseishft1")
(and (eq_attr "type" "sseishft")
(and (eq_attr "atom_unit" "sishuf")
(match_operand 2 "immediate_operand")))))
"atom-simple-0")
;; if reg/mem op
(define_insn_reservation "atom_sseishft_3" 2
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "sseishft")
(not (match_operand 2 "immediate_operand"))))
"atom-complex, atom-all-eu")
(define_insn_reservation "atom_sseimul" 1
(and (eq_attr "cpu" "atom")
(eq_attr "type" "sseimul"))
"atom-simple-0")
;; rcpss or rsqrtss
(define_insn_reservation "atom_sse" 4
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "sse")
(and (eq_attr "atom_sse_attr" "rcp") (eq_attr "mode" "SF"))))
"atom-fmul-4c")
;; movshdup, movsldup. Suggest to type sseishft
(define_insn_reservation "atom_sse_2" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "sse")
(eq_attr "atom_sse_attr" "movdup")))
"atom-simple-0")
;; lfence
(define_insn_reservation "atom_sse_3" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "sse")
(eq_attr "atom_sse_attr" "lfence")))
"atom-simple-either")
;; sfence,clflush,mfence, prefetch
(define_insn_reservation "atom_sse_4" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "sse")
(ior (eq_attr "atom_sse_attr" "fence")
(eq_attr "atom_sse_attr" "prefetch"))))
"atom-simple-0")
;; rcpps, rsqrtss, sqrt, ldmxcsr
(define_insn_reservation "atom_sse_5" 7
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "sse")
(ior (ior (eq_attr "atom_sse_attr" "sqrt")
(eq_attr "atom_sse_attr" "mxcsr"))
(and (eq_attr "atom_sse_attr" "rcp")
(eq_attr "mode" "V4SF")))))
"atom-complex, atom-all-eu*6")
;; xmm->xmm
(define_insn_reservation "atom_ssemov" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "ssemov")
(and (match_operand 0 "register_operand" "xy") (match_operand 1 "register_operand" "xy"))))
"atom-simple-either")
;; reg->xmm
(define_insn_reservation "atom_ssemov_2" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "ssemov")
(and (match_operand 0 "register_operand" "xy") (match_operand 1 "register_operand" "r"))))
"atom-simple-0")
;; xmm->reg
(define_insn_reservation "atom_ssemov_3" 3
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "ssemov")
(and (match_operand 0 "register_operand" "r") (match_operand 1 "register_operand" "xy"))))
"atom-eu-0-3-1")
;; mov mem
(define_insn_reservation "atom_ssemov_4" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "ssemov")
(and (eq_attr "movu" "0") (eq_attr "memory" "!none"))))
"atom-simple-0")
;; movu mem
(define_insn_reservation "atom_ssemov_5" 2
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "ssemov")
(ior (eq_attr "movu" "1") (eq_attr "memory" "!none"))))
"atom-complex, atom-all-eu")
;; no memory simple
(define_insn_reservation "atom_sseadd" 5
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "sseadd")
(and (eq_attr "memory" "none")
(and (eq_attr "mode" "!V2DF")
(eq_attr "atom_unit" "!complex")))))
"atom-fadd-5c")
;; memory simple
(define_insn_reservation "atom_sseadd_mem" 5
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "sseadd")
(and (eq_attr "memory" "!none")
(and (eq_attr "mode" "!V2DF")
(eq_attr "atom_unit" "!complex")))))
"atom-dual-5c")
;; maxps, minps, *pd, hadd, hsub
(define_insn_reservation "atom_sseadd_3" 8
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "sseadd")
(ior (eq_attr "mode" "V2DF") (eq_attr "atom_unit" "complex"))))
"atom-complex, atom-all-eu*7")
;; Except dppd/dpps
(define_insn_reservation "atom_ssemul" 5
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "ssemul")
(eq_attr "mode" "!SF")))
"atom-fmul-5c")
;; Except dppd/dpps, 4 cycle if mulss
(define_insn_reservation "atom_ssemul_2" 4
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "ssemul")
(eq_attr "mode" "SF")))
"atom-fmul-4c")
(define_insn_reservation "atom_ssecmp" 1
(and (eq_attr "cpu" "atom")
(eq_attr "type" "ssecmp"))
"atom-simple-either")
(define_insn_reservation "atom_ssecomi" 10
(and (eq_attr "cpu" "atom")
(eq_attr "type" "ssecomi"))
"atom-complex, atom-all-eu*9")
;; no memory and cvtpi2ps, cvtps2pi, cvttps2pi
(define_insn_reservation "atom_ssecvt" 5
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "ssecvt")
(ior (and (match_operand:V2SI 0 "register_operand")
(match_operand:V4SF 1 "register_operand"))
(and (match_operand:V4SF 0 "register_operand")
(match_operand:V2SI 1 "register_operand")))))
"atom-fadd-5c")
;; memory and cvtpi2ps, cvtps2pi, cvttps2pi
(define_insn_reservation "atom_ssecvt_2" 5
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "ssecvt")
(ior (and (match_operand:V2SI 0 "register_operand")
(match_operand:V4SF 1 "memory_operand"))
(and (match_operand:V4SF 0 "register_operand")
(match_operand:V2SI 1 "memory_operand")))))
"atom-dual-5c")
;; otherwise. 7 cycles average for cvtss2sd
(define_insn_reservation "atom_ssecvt_3" 7
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "ssecvt")
(not (ior (and (match_operand:V2SI 0 "register_operand")
(match_operand:V4SF 1 "nonimmediate_operand"))
(and (match_operand:V4SF 0 "register_operand")
(match_operand:V2SI 1 "nonimmediate_operand"))))))
"atom-complex, atom-all-eu*6")
;; memory and cvtsi2sd
(define_insn_reservation "atom_sseicvt" 5
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "sseicvt")
(and (match_operand:V2DF 0 "register_operand")
(match_operand:SI 1 "memory_operand"))))
"atom-dual-5c")
;; otherwise. 8 cycles average for cvtsd2si
(define_insn_reservation "atom_sseicvt_2" 8
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "sseicvt")
(not (and (match_operand:V2DF 0 "register_operand")
(match_operand:SI 1 "memory_operand")))))
"atom-complex, atom-all-eu*7")
(define_insn_reservation "atom_ssediv" 62
(and (eq_attr "cpu" "atom")
(eq_attr "type" "ssediv"))
"atom-complex, atom-all-eu*12, nothing*49")
;; simple for fmov
(define_insn_reservation "atom_fmov" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "fmov")
(eq_attr "memory" "none")))
"atom-simple-either")
;; simple for fmov
(define_insn_reservation "atom_fmov_mem" 1
(and (eq_attr "cpu" "atom")
(and (eq_attr "type" "fmov")
(eq_attr "memory" "!none")))
"atom-simple-either")
;; Define bypass here
;; There will be no stall from lea to non-mem EX insns
(define_bypass 0 "atom_lea"
"atom_alu_carry,
atom_alu,atom_alu1,atom_negnot,atom_imov,atom_imovx,
atom_incdec, atom_setcc, atom_icmov, atom_pop")
(define_bypass 0 "atom_lea"
"atom_alu_mem, atom_alu_carry_mem, atom_alu1_mem,
atom_imovx_mem, atom_imovx_2_mem,
atom_imov_mem, atom_icmov_mem, atom_fmov_mem"
"!ix86_agi_dependent")
;; There will be 3 cycles stall from EX insns to AGAN insns LEA
(define_bypass 4 "atom_alu_carry,
atom_alu,atom_alu1,atom_negnot,atom_imov,atom_imovx,
atom_incdec,atom_ishift,atom_ishift1,atom_rotate,
atom_rotate1, atom_setcc, atom_icmov, atom_pop,
atom_alu_mem, atom_alu_carry_mem, atom_alu1_mem,
atom_imovx_mem, atom_imovx_2_mem,
atom_imov_mem, atom_icmov_mem, atom_fmov_mem"
"atom_lea")
;; There will be 3 cycles stall from EX insns to insns need addr calculation
(define_bypass 4 "atom_alu_carry,
atom_alu,atom_alu1,atom_negnot,atom_imov,atom_imovx,
atom_incdec,atom_ishift,atom_ishift1,atom_rotate,
atom_rotate1, atom_setcc, atom_icmov, atom_pop,
atom_imovx_mem, atom_imovx_2_mem,
atom_alu_mem, atom_alu_carry_mem, atom_alu1_mem,
atom_imov_mem, atom_icmov_mem, atom_fmov_mem"
"atom_alu_mem, atom_alu_carry_mem, atom_alu1_mem,
atom_negnot_mem, atom_imov_mem, atom_incdec_mem,
atom_imovx_mem, atom_imovx_2_mem,
atom_imul_mem, atom_icmp_mem,
atom_test_mem, atom_icmov_mem, atom_sselog_mem,
atom_sselog1_mem, atom_fmov_mem, atom_sseadd_mem,
atom_ishift_mem, atom_ishift1_mem,
atom_rotate_mem, atom_rotate1_mem"
"ix86_agi_dependent")
;; Stall from imul to lea is 8 cycles.
(define_bypass 9 "atom_imul, atom_imul_mem" "atom_lea")
;; Stall from imul to memory address is 8 cycles.
(define_bypass 9 "atom_imul, atom_imul_mem"
"atom_alu_mem, atom_alu_carry_mem, atom_alu1_mem,
atom_negnot_mem, atom_imov_mem, atom_incdec_mem,
atom_ishift_mem, atom_ishift1_mem, atom_rotate_mem,
atom_rotate1_mem, atom_imul_mem, atom_icmp_mem,
atom_test_mem, atom_icmov_mem, atom_sselog_mem,
atom_sselog1_mem, atom_fmov_mem, atom_sseadd_mem"
"ix86_agi_dependent")
;; There will be 0 cycle stall from cmp/test to jcc
;; There will be 1 cycle stall from flag producer to cmov and adc/sbb
(define_bypass 2 "atom_icmp, atom_test, atom_alu, atom_alu_carry,
atom_alu1, atom_negnot, atom_incdec, atom_ishift,
atom_ishift1, atom_rotate, atom_rotate1"
"atom_icmov, atom_alu_carry")
;; lea to shift count stall is 2 cycles
(define_bypass 3 "atom_lea"
"atom_ishift, atom_ishift1, atom_rotate, atom_rotate1,
atom_ishift_mem, atom_ishift1_mem,
atom_rotate_mem, atom_rotate1_mem"
"ix86_dep_by_shift_count")
;; lea to shift source stall is 1 cycle
(define_bypass 2 "atom_lea"
"atom_ishift, atom_ishift1, atom_rotate, atom_rotate1"
"!ix86_dep_by_shift_count")
;; non-lea to shift count stall is 1 cycle
(define_bypass 2 "atom_alu_carry,
atom_alu,atom_alu1,atom_negnot,atom_imov,atom_imovx,
atom_incdec,atom_ishift,atom_ishift1,atom_rotate,
atom_rotate1, atom_setcc, atom_icmov, atom_pop,
atom_alu_mem, atom_alu_carry_mem, atom_alu1_mem,
atom_imovx_mem, atom_imovx_2_mem,
atom_imov_mem, atom_icmov_mem, atom_fmov_mem"
"atom_ishift, atom_ishift1, atom_rotate, atom_rotate1,
atom_ishift_mem, atom_ishift1_mem,
atom_rotate_mem, atom_rotate1_mem"
"ix86_dep_by_shift_count")
Go to most recent revision | Compare with Previous | Blame | View Log