itanium2.md

linux下编程用 编译软件

            (eq_attr "itanium_class" "nop_f"))
       (eq (symbol_ref "bundling_p") (const_int 0))) "2_F0")
(define_insn_reservation "2_nop_x"   0
  (and (and (eq_attr "cpu" "itanium2")
            (eq_attr "itanium_class" "nop_x"))
       (eq (symbol_ref "bundling_p") (const_int 0))) "2_L0")

(define_insn_reservation "2_unknown" 1
  (and (and (eq_attr "cpu" "itanium2")
            (eq_attr "itanium_class" "unknown"))
       (eq (symbol_ref "bundling_p") (const_int 0))) "2_empty")

(define_insn_reservation "2_nop" 0
  (and (and (eq_attr "cpu" "itanium2")
            (eq_attr "itanium_class" "nop"))
       (eq (symbol_ref "bundling_p") (const_int 0)))
  "2_M0|2_NB|2_I0|2_F0")

(define_insn_reservation "2_ignore" 0
  (and (and (eq_attr "cpu" "itanium2")
            (eq_attr "itanium_class" "ignore"))
       (eq (symbol_ref "bundling_p") (const_int 0))) "nothing")

(define_cpu_unit "2_m_cont_only, 2_b_cont_only" "two")
(define_cpu_unit "2_mi_cont_only, 2_mm_cont_only, 2_mf_cont_only" "two")
(define_cpu_unit "2_mb_cont_only, 2_bb_cont_only" "two")

(final_presence_set "2_m_cont_only" "2_m_cont")
(exclusion_set "2_m_cont_only"
  "2_0mi.i, 2_0mm.i, 2_0mf.i, 2_0mm.f, 2_0mb.b,\
   2_0mi.b, 2_0mm.b, 2_0mf.b, 2_0mlx.")

(final_presence_set "2_b_cont_only" "2_b_cont")
(exclusion_set "2_b_cont_only"  "2_0bb.b")

(final_presence_set "2_mi_cont_only" "2_mi_cont")
(exclusion_set "2_mi_cont_only" "2_0mii., 2_0mib.")

(final_presence_set "2_mm_cont_only" "2_mm_cont")
(exclusion_set "2_mm_cont_only" "2_0mmi., 2_0mmf., 2_0mmb.")

(final_presence_set "2_mf_cont_only" "2_mf_cont")
(exclusion_set "2_mf_cont_only" "2_0mfi., 2_0mfb.")

(final_presence_set "2_mb_cont_only" "2_mb_cont")
(exclusion_set "2_mb_cont_only" "2_0mbb.")

(final_presence_set "2_bb_cont_only" "2_bb_cont")
(exclusion_set "2_bb_cont_only" "2_0bbb.")

(define_insn_reservation "2_pre_cycle" 0
   (and (and (eq_attr "cpu" "itanium2")
            (eq_attr "itanium_class" "pre_cycle"))
        (eq (symbol_ref "bundling_p") (const_int 0)))
                         "nothing")

;;(define_insn_reservation "2_pre_cycle" 0
;;   (and (and (eq_attr "cpu" "itanium2")
;;             (eq_attr "itanium_class" "pre_cycle"))
;;        (eq (symbol_ref "bundling_p") (const_int 0)))
;;                         "(2_0m_bs, 2_m_cont)                     \
;;                          | (2_0mi_bs, (2_mi_cont|nothing))       \
;;                          | (2_0mm_bs, 2_mm_cont)                 \
;;                          | (2_0mf_bs, (2_mf_cont|nothing))       \
;;                          | (2_0b_bs, (2_b_cont|nothing))         \
;;                          | (2_0bb_bs, (2_bb_cont|nothing))       \
;;                          | (2_0mb_bs, (2_mb_cont|nothing))       \
;;                          | (2_1m_bs, 2_m_cont)                   \
;;                          | (2_1mi_bs, (2_mi_cont|nothing))       \
;;                          | (2_1mm_bs, 2_mm_cont)                 \
;;                          | (2_1mf_bs, (2_mf_cont|nothing))       \
;;                          | (2_1b_bs, (2_b_cont|nothing))         \
;;                          | (2_1bb_bs, (2_bb_cont|nothing))       \
;;                          | (2_1mb_bs, (2_mb_cont|nothing))       \
;;                          | (2_m_cont_only, (2_m_cont|nothing))   \
;;                          | (2_b_cont_only,  (2_b_cont|nothing))  \
;;                          | (2_mi_cont_only, (2_mi_cont|nothing)) \
;;                          | (2_mm_cont_only, (2_mm_cont|nothing)) \
;;                          | (2_mf_cont_only, (2_mf_cont|nothing)) \
;;                          | (2_mb_cont_only, (2_mb_cont|nothing)) \
;;                          | (2_bb_cont_only, (2_bb_cont|nothing)) \
;;                          | (2_m_stop, (2_0mmi_cont|nothing))     \
;;                          | (2_mi_stop, (2_0mii_cont|nothing))")

;; Bypasses:

(define_bypass  1 "2_fcmp" "2_br,2_scall")
(define_bypass  0 "2_icmp" "2_br,2_scall")
(define_bypass  0 "2_tbit" "2_br,2_scall")
(define_bypass  2 "2_ld" "2_ld"  "ia64_ld_address_bypass_p")
(define_bypass  2 "2_ld" "2_st"  "ia64_st_address_bypass_p")
(define_bypass  2 "2_ld" "2_mmalua,2_mmmul,2_mmshf")
(define_bypass  3 "2_ilog" "2_mmalua,2_mmmul,2_mmshf")
(define_bypass  3 "2_ialu" "2_mmalua,2_mmmul,2_mmshf")
(define_bypass  3 "2_mmalua,2_mmmul,2_mmshf" "2_ialu,2_ilog,2_ishf,2_st,2_ld")
(define_bypass  6 "2_tofr"  "2_frfr,2_stf")
(define_bypass  7 "2_fmac"  "2_frfr,2_stf")

;; We don't use here fcmp because scall may be predicated.
(define_bypass  0 "2_fcvtfx,2_fld,2_fmac,2_fmisc,2_frar_i,2_frar_m,\
                   2_frbr,2_frfr,2_frpr,2_ialu,2_ilog,2_ishf,2_ld,2_long_i,\
                   2_mmalua,2_mmmul,2_mmshf,2_mmshfi,2_toar_m,2_tofr,\
		   2_xmpy,2_xtd"
                  "2_scall")

(define_bypass  0 "2_unknown,2_ignore,2_stop_bit,2_br,2_fcmp,2_fcvtfx,2_fld,\
                   2_fmac,2_fmisc,2_frar_i,2_frar_m,2_frbr,2_frfr,2_frpr,\
                   2_ialu,2_icmp,2_ilog,2_ishf,2_ld,2_chk_s,2_long_i,\
		   2_mmalua,2_mmmul,2_mmshf,2_mmshfi,2_nop,2_nop_b,2_nop_f,\
                   2_nop_i,2_nop_m,2_nop_x,2_rse_m,2_scall,2_sem,2_stf,2_st,\
                   2_syst_m0,2_syst_m,2_tbit,2_toar_i,2_toar_m,2_tobr,2_tofr,\
                   2_topr,2_xmpy,2_xtd,2_lfetch" "2_ignore")



;; Bundling

(define_automaton "twob")

;; Pseudo units for quicker searching for position in two packet window.  */
(define_query_cpu_unit "2_1,2_2,2_3,2_4,2_5,2_6" "twob")

;;   All possible combinations of bundles/syllables
(define_cpu_unit
   "2b_0m.ii, 2b_0m.mi, 2b_0m.fi, 2b_0m.mf, 2b_0b.bb, 2b_0m.bb,\
    2b_0m.ib, 2b_0m.mb, 2b_0m.fb, 2b_0m.lx" "twob")
(define_cpu_unit
   "2b_0mi.i, 2b_0mm.i, 2b_0mf.i, 2b_0mm.f, 2b_0bb.b, 2b_0mb.b,\
    2b_0mi.b, 2b_0mm.b, 2b_0mf.b" "twob")
(define_query_cpu_unit
   "2b_0mii., 2b_0mmi., 2b_0mfi., 2b_0mmf., 2b_0bbb., 2b_0mbb.,\
    2b_0mib., 2b_0mmb., 2b_0mfb., 2b_0mlx." "twob")

(define_cpu_unit
   "2b_1m.ii, 2b_1m.mi, 2b_1m.fi, 2b_1m.mf, 2b_1b.bb, 2b_1m.bb,\
    2b_1m.ib, 2b_1m.mb, 2b_1m.fb, 2b_1m.lx" "twob")
(define_cpu_unit
   "2b_1mi.i, 2b_1mm.i, 2b_1mf.i, 2b_1mm.f, 2b_1bb.b, 2b_1mb.b,\
    2b_1mi.b, 2b_1mm.b, 2b_1mf.b" "twob")
(define_query_cpu_unit
   "2b_1mii., 2b_1mmi., 2b_1mfi., 2b_1mmf., 2b_1bbb., 2b_1mbb.,\
    2b_1mib., 2b_1mmb., 2b_1mfb., 2b_1mlx." "twob")

;; Slot 1
(exclusion_set "2b_0m.ii"
   "2b_0m.mi, 2b_0m.fi, 2b_0m.mf, 2b_0b.bb, 2b_0m.bb,\
    2b_0m.ib, 2b_0m.mb, 2b_0m.fb, 2b_0m.lx")
(exclusion_set "2b_0m.mi"
   "2b_0m.fi, 2b_0m.mf, 2b_0b.bb, 2b_0m.bb, 2b_0m.ib,\
    2b_0m.mb, 2b_0m.fb, 2b_0m.lx")
(exclusion_set "2b_0m.fi"
   "2b_0m.mf, 2b_0b.bb, 2b_0m.bb, 2b_0m.ib, 2b_0m.mb, 2b_0m.fb, 2b_0m.lx")
(exclusion_set "2b_0m.mf"
   "2b_0b.bb, 2b_0m.bb, 2b_0m.ib, 2b_0m.mb, 2b_0m.fb, 2b_0m.lx")
(exclusion_set "2b_0b.bb" "2b_0m.bb, 2b_0m.ib, 2b_0m.mb, 2b_0m.fb, 2b_0m.lx")
(exclusion_set "2b_0m.bb" "2b_0m.ib, 2b_0m.mb, 2b_0m.fb, 2b_0m.lx")
(exclusion_set "2b_0m.ib" "2b_0m.mb, 2b_0m.fb, 2b_0m.lx")
(exclusion_set "2b_0m.mb" "2b_0m.fb, 2b_0m.lx")
(exclusion_set "2b_0m.fb" "2b_0m.lx")

;; Slot 2
(exclusion_set "2b_0mi.i"
   "2b_0mm.i, 2b_0mf.i, 2b_0mm.f, 2b_0bb.b, 2b_0mb.b,\
    2b_0mi.b, 2b_0mm.b, 2b_0mf.b, 2b_0mlx.")
(exclusion_set "2b_0mm.i"
   "2b_0mf.i, 2b_0mm.f, 2b_0bb.b, 2b_0mb.b,\
    2b_0mi.b, 2b_0mm.b, 2b_0mf.b, 2b_0mlx.")
(exclusion_set "2b_0mf.i"
   "2b_0mm.f, 2b_0bb.b, 2b_0mb.b, 2b_0mi.b, 2b_0mm.b, 2b_0mf.b, 2b_0mlx.")
(exclusion_set "2b_0mm.f"
   "2b_0bb.b, 2b_0mb.b, 2b_0mi.b, 2b_0mm.b, 2b_0mf.b, 2b_0mlx.")
(exclusion_set "2b_0bb.b" "2b_0mb.b, 2b_0mi.b, 2b_0mm.b, 2b_0mf.b, 2b_0mlx.")
(exclusion_set "2b_0mb.b" "2b_0mi.b, 2b_0mm.b, 2b_0mf.b, 2b_0mlx.")
(exclusion_set "2b_0mi.b" "2b_0mm.b, 2b_0mf.b, 2b_0mlx.")
(exclusion_set "2b_0mm.b" "2b_0mf.b, 2b_0mlx.")
(exclusion_set "2b_0mf.b" "2b_0mlx.")

;; Slot 3
(exclusion_set "2b_0mii."
   "2b_0mmi., 2b_0mfi., 2b_0mmf., 2b_0bbb., 2b_0mbb.,\
    2b_0mib., 2b_0mmb., 2b_0mfb., 2b_0mlx.")
(exclusion_set "2b_0mmi."
   "2b_0mfi., 2b_0mmf., 2b_0bbb., 2b_0mbb.,\
    2b_0mib., 2b_0mmb., 2b_0mfb., 2b_0mlx.")
(exclusion_set "2b_0mfi."
   "2b_0mmf., 2b_0bbb., 2b_0mbb., 2b_0mib., 2b_0mmb., 2b_0mfb., 2b_0mlx.")
(exclusion_set "2b_0mmf."
   "2b_0bbb., 2b_0mbb., 2b_0mib., 2b_0mmb., 2b_0mfb., 2b_0mlx.")
(exclusion_set "2b_0bbb." "2b_0mbb., 2b_0mib., 2b_0mmb., 2b_0mfb., 2b_0mlx.")
(exclusion_set "2b_0mbb." "2b_0mib., 2b_0mmb., 2b_0mfb., 2b_0mlx.")
(exclusion_set "2b_0mib." "2b_0mmb., 2b_0mfb., 2b_0mlx.")
(exclusion_set "2b_0mmb." "2b_0mfb., 2b_0mlx.")
(exclusion_set "2b_0mfb." "2b_0mlx.")

;; Slot 4
(exclusion_set "2b_1m.ii"
   "2b_1m.mi, 2b_1m.fi, 2b_1m.mf, 2b_1b.bb, 2b_1m.bb,\
    2b_1m.ib, 2b_1m.mb, 2b_1m.fb, 2b_1m.lx")
(exclusion_set "2b_1m.mi"
   "2b_1m.fi, 2b_1m.mf, 2b_1b.bb, 2b_1m.bb, 2b_1m.ib,\
    2b_1m.mb, 2b_1m.fb, 2b_1m.lx")
(exclusion_set "2b_1m.fi"
   "2b_1m.mf, 2b_1b.bb, 2b_1m.bb, 2b_1m.ib, 2b_1m.mb, 2b_1m.fb, 2b_1m.lx")
(exclusion_set "2b_1m.mf"
   "2b_1b.bb, 2b_1m.bb, 2b_1m.ib, 2b_1m.mb, 2b_1m.fb, 2b_1m.lx")
(exclusion_set "2b_1b.bb" "2b_1m.bb, 2b_1m.ib, 2b_1m.mb, 2b_1m.fb, 2b_1m.lx")
(exclusion_set "2b_1m.bb" "2b_1m.ib, 2b_1m.mb, 2b_1m.fb, 2b_1m.lx")
(exclusion_set "2b_1m.ib" "2b_1m.mb, 2b_1m.fb, 2b_1m.lx")
(exclusion_set "2b_1m.mb" "2b_1m.fb, 2b_1m.lx")
(exclusion_set "2b_1m.fb" "2b_1m.lx")

;; Slot 5
(exclusion_set "2b_1mi.i"
   "2b_1mm.i, 2b_1mf.i, 2b_1mm.f, 2b_1bb.b, 2b_1mb.b,\
    2b_1mi.b, 2b_1mm.b, 2b_1mf.b, 2b_1mlx.")
(exclusion_set "2b_1mm.i"
   "2b_1mf.i, 2b_1mm.f, 2b_1bb.b, 2b_1mb.b,\
    2b_1mi.b, 2b_1mm.b, 2b_1mf.b, 2b_1mlx.")
(exclusion_set "2b_1mf.i"
   "2b_1mm.f, 2b_1bb.b, 2b_1mb.b, 2b_1mi.b, 2b_1mm.b, 2b_1mf.b, 2b_1mlx.")
(exclusion_set "2b_1mm.f"
   "2b_1bb.b, 2b_1mb.b, 2b_1mi.b, 2b_1mm.b, 2b_1mf.b, 2b_1mlx.")
(exclusion_set "2b_1bb.b" "2b_1mb.b, 2b_1mi.b, 2b_1mm.b, 2b_1mf.b, 2b_1mlx.")
(exclusion_set "2b_1mb.b" "2b_1mi.b, 2b_1mm.b, 2b_1mf.b, 2b_1mlx.")
(exclusion_set "2b_1mi.b" "2b_1mm.b, 2b_1mf.b, 2b_1mlx.")
(exclusion_set "2b_1mm.b" "2b_1mf.b, 2b_1mlx.")
(exclusion_set "2b_1mf.b" "2b_1mlx.")

;; Slot 6
(exclusion_set "2b_1mii."
   "2b_1mmi., 2b_1mfi., 2b_1mmf., 2b_1bbb., 2b_1mbb.,\
    2b_1mib., 2b_1mmb., 2b_1mfb., 2b_1mlx.")
(exclusion_set "2b_1mmi."
   "2b_1mfi., 2b_1mmf., 2b_1bbb., 2b_1mbb.,\
    2b_1mib., 2b_1mmb., 2b_1mfb., 2b_1mlx.")
(exclusion_set "2b_1mfi."
   "2b_1mmf., 2b_1bbb., 2b_1mbb., 2b_1mib., 2b_1mmb., 2b_1mfb., 2b_1mlx.")
(exclusion_set "2b_1mmf."
   "2b_1bbb., 2b_1mbb., 2b_1mib., 2b_1mmb., 2b_1mfb., 2b_1mlx.")
(exclusion_set "2b_1bbb." "2b_1mbb., 2b_1mib., 2b_1mmb., 2b_1mfb., 2b_1mlx.")
(exclusion_set "2b_1mbb." "2b_1mib., 2b_1mmb., 2b_1mfb., 2b_1mlx.")
(exclusion_set "2b_1mib." "2b_1mmb., 2b_1mfb., 2b_1mlx.")
(exclusion_set "2b_1mmb." "2b_1mfb., 2b_1mlx.")
(exclusion_set "2b_1mfb." "2b_1mlx.")

(final_presence_set "2b_0mi.i" "2b_0m.ii")
(final_presence_set "2b_0mii." "2b_0mi.i")
(final_presence_set "2b_1mi.i" "2b_1m.ii")
(final_presence_set "2b_1mii." "2b_1mi.i")

(final_presence_set "2b_0mm.i" "2b_0m.mi")
(final_presence_set "2b_0mmi." "2b_0mm.i")
(final_presence_set "2b_1mm.i" "2b_1m.mi")
(final_presence_set "2b_1mmi." "2b_1mm.i")

(final_presence_set "2b_0mf.i" "2b_0m.fi")
(final_presence_set "2b_0mfi." "2b_0mf.i")
(final_presence_set "2b_1mf.i" "2b_1m.fi")
(final_presence_set "2b_1mfi." "2b_1mf.i")

(final_presence_set "2b_0mm.f" "2b_0m.mf")
(final_presence_set "2b_0mmf." "2b_0mm.f")
(final_presence_set "2b_1mm.f" "2b_1m.mf")
(final_presence_set "2b_1mmf." "2b_1mm.f")

(final_presence_set "2b_0bb.b" "2b_0b.bb")
(final_presence_set "2b_0bbb." "2b_0bb.b")
(final_presence_set "2b_1bb.b" "2b_1b.bb")
(final_presence_set "2b_1bbb." "2b_1bb.b")

(final_presence_set "2b_0mb.b" "2b_0m.bb")
(final_presence_set "2b_0mbb." "2b_0mb.b")
(final_presence_set "2b_1mb.b" "2b_1m.bb")
(final_presence_set "2b_1mbb." "2b_1mb.b")

(final_presence_set "2b_0mi.b" "2b_0m.ib")
(final_presence_set "2b_0mib." "2b_0mi.b")
(final_presence_set "2b_1mi.b" "2b_1m.ib")
(final_presence_set "2b_1mib." "2b_1mi.b")

(final_presence_set "2b_0mm.b" "2b_0m.mb")
(final_presence_set "2b_0mmb." "2b_0mm.b")
(final_presence_set "2b_1mm.b" "2b_1m.mb")
(final_presence_set "2b_1mmb." "2b_1mm.b")

(final_presence_set "2b_0mf.b" "2b_0m.fb")
(final_presence_set "2b_0mfb." "2b_0mf.b")
(final_presence_set "2b_1mf.b" "2b_1m.fb")
(final_presence_set "2b_1mfb." "2b_1mf.b")

(final_presence_set "2b_0mlx." "2b_0m.lx")
(final_presence_set "2b_1mlx." "2b_1m.lx")

;;  See the corresponding comment in non-bundling section above.
(final_presence_set
   "2b_1m.lx"
   "2b_0mmi.,2b_0mfi.,2b_0mmf.,2b_0mib.,2b_0mmb.,2b_0mfb.,2b_0mlx.")
(final_presence_set "2b_1b.bb" "2b_0mii.,2b_0mmi.,2b_0mfi.,2b_0mmf.,2b_0mlx.")
(final_presence_set
   "2b_1m.ii,2b_1m.mi,2b_1m.fi,2b_1m.mf,2b_1m.bb,2b_1m.ib,2b_1m.mb,2b_1m.fb"
   "2b_0mii.,2b_0mmi.,2b_0mfi.,2b_0mmf.,2b_0mib.,2b_0mmb.,2b_0mfb.,2b_0mlx.")

;;  Ports/units (nb means nop.b insn issued into given port):
(define_cpu_unit
   "2b_um0, 2b_um1, 2b_um2, 2b_um3, 2b_ui0, 2b_ui1, 2b_uf0, 2b_uf1,\
    2b_ub0, 2b_ub1, 2b_ub2, 2b_unb0, 2b_unb1, 2b_unb2" "twob")

(exclusion_set "2b_ub0" "2b_unb0")
(exclusion_set "2b_ub1" "2b_unb1")
(exclusion_set "2b_ub2" "2b_unb2")

;; The following rules are used to decrease number of alternatives.