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|
open Asmblock;;
(* TODO remove? open PrepassSchedulingOracleDeps;;*)
module Cortex_A53=
struct
let resource_bounds = [| 2; 2; 1; 1 |];; (* instr ; ALU ; MAC; LSU *)
let nr_non_pipelined_units = 1;;
let latency_of_op (i : basic) (nargs : int) =
match i with
| PArith _
| PArithP _ _ -> 1 (* XXX *)
| PArithPP
let resources_of_op (op : operation) (nargs : int) =
match op with
| Omove
| Ointconst _
| Olongconst _
| Ofloatconst _
| Osingleconst _
| Oaddrsymbol _
| Oaddrstack _
(* 32-bit integer arithmetic *)
| Oshift _
| Oadd
| Oaddshift _
| Oaddimm _
| Oneg
| Onegshift _
| Osub
| Osubshift _ -> [| 1 ; 1; 0; 0 |]
| Omul
| Omuladd
| Omulsub -> [| 1; 1; 1; 0 |]
| Odiv
| Odivu -> [| 1; 0; 0; 0 |]
| Oand
| Oandshift _
| Oandimm _
| Oor
| Oorshift _
| Oorimm _
| Oxor
| Oxorshift _
| Oxorimm _
| Onot
| Onotshift _
| Obic
| Obicshift _
| Oorn
| Oornshift _
| Oeqv
| Oeqvshift _
| Oshl
| Oshr
| Oshru
| Oshrximm _
| Ozext _
| Osext _
| Oshlzext _
| Oshlsext _
| Ozextshr _
| Osextshr _
(* 64-bit integer arithmetic *)
| Oshiftl _
| Oextend _
| Omakelong
| Olowlong
| Ohighlong
| Oaddl
| Oaddlshift _
| Oaddlext _
| Oaddlimm _
| Onegl
| Oneglshift _
| Osubl
| Osublshift _
| Osublext _ -> [| 1 ; 1 ; 0; 0 |]
| Omull
| Omulladd
| Omullsub
| Omullhs
| Omullhu -> [| 1 ; 1 ; 1; 0 |]
| Odivl
| Odivlu -> [| 1; 0; 0; 0 |]
| Oandl
| Oandlshift _
| Oandlimm _
| Oorl
| Oorlshift _
| Oorlimm _
| Oxorl
| Oxorlshift _
| Oxorlimm _
| Onotl
| Onotlshift _
| Obicl
| Obiclshift _
| Oornl
| Oornlshift _
| Oeqvl
| Oeqvlshift _
| Oshll
| Oshrl
| Oshrlu
| Oshrlximm _
| Ozextl _
| Osextl _
| Oshllzext _
| Oshllsext _
| Ozextshrl _
| Osextshrl _ -> [| 1; 1; 0; 0 |]
(* 64-bit floating-point arithmetic *)
| Onegf (* r [rd = - r1] *)
| Oabsf (* r [rd = abs(r1)] *)
| Oaddf (* r [rd = r1 + r2] *)
| Osubf (* r [rd = r1 - r2] *)
| Omulf (* r [rd = r1 * r2] *)
| Odivf
(* 32-bit floating-point arithmetic *)
| Onegfs (* r [rd = - r1] *)
| Oabsfs (* r [rd = abs(r1)] *)
| Oaddfs (* r [rd = r1 + r2] *)
| Osubfs (* r [rd = r1 - r2] *)
| Omulfs (* r [rd = r1 * r2] *)
| Odivfs (* r [rd = r1 / r2] *)
| Osingleoffloat (* r [rd] is [r1] truncated to single-precision float *)
| Ofloatofsingle (* r [rd] is [r1] extended to double-precision float *)
(* Conversions between int and float *)
| Ointoffloat (* r [rd = signed_int_of_float64(r1)] *)
| Ointuoffloat (* r [rd = unsigned_int_of_float64(r1)] *)
| Ofloatofint (* r [rd = float64_of_signed_int(r1)] *)
| Ofloatofintu (* r [rd = float64_of_unsigned_int(r1)] *)
| Ointofsingle (* r [rd = signed_int_of_float32(r1)] *)
| Ointuofsingle (* r [rd = unsigned_int_of_float32(r1)] *)
| Osingleofint (* r [rd = float32_of_signed_int(r1)] *)
| Osingleofintu (* r [rd = float32_of_unsigned_int(r1)] *)
| Olongoffloat (* r [rd = signed_long_of_float64(r1)] *)
| Olonguoffloat (* r [rd = unsigned_long_of_float64(r1)] *)
| Ofloatoflong (* r [rd = float64_of_signed_long(r1)] *)
| Ofloatoflongu (* r [rd = float64_of_unsigned_long(r1)] *)
| Olongofsingle (* r [rd = signed_long_of_float32(r1)] *)
| Olonguofsingle (* r [rd = unsigned_long_of_float32(r1)] *)
| Osingleoflong (* r [rd = float32_of_signed_long(r1)] *)
| Osingleoflongu (* r [rd = float32_of_unsigned_int(r1)] *)
-> [| 1 ; 1; 1; 0 |]
(* Boolean tests *)
| Ocmp cmp | Osel (cmp, _) ->
(match cmp with
| Ccompf _ (* r FP comparison *)
| Cnotcompf _ (* r negation of an FP comparison *)
| Ccompfzero _ (* r comparison with 0.0 *)
| Cnotcompfzero _ (* r negation of comparison with 0.0 *)
| Ccompfs _ (* r FP comparison *)
| Cnotcompfs _ (* r negation of an FP comparison *)
| Ccompfszero _ (* r equal to 0.0 *)
| Cnotcompfszero _ (* r not equal to 0.0 *) ->
[| 1; 1; 1; 0 |]
| _ -> [| 1; 1; 0; 0 |] );;
let non_pipelined_resources_of_op (op : operation) (nargs : int) =
match op with
| Odiv | Odivu -> [| 29 |]
| Odivfs -> [| 20 |]
| Odivl | Odivlu | Odivf -> [| 50 |]
| _ -> [| -1 |];;
let resources_of_cond (cmp : condition) (nargs : int) =
(match cmp with
| Ccompf _ (* r FP comparison *)
| Cnotcompf _ (* r negation of an FP comparison *)
| Ccompfzero _ (* r comparison with 0.0 *)
| Cnotcompfzero _ (* r negation of comparison with 0.0 *)
| Ccompfs _ (* r FP comparison *)
| Cnotcompfs _ (* r negation of an FP comparison *)
| Ccompfszero _ (* r equal to 0.0 *)
| Cnotcompfszero _ (* r not equal to 0.0 *) ->
[| 1; 1; 1; 0 |]
| _ -> [| 1; 1; 0; 0 |] );;
let latency_of_load trap chunk (addr : addressing) (nargs : int) = 3;;
let latency_of_call _ _ = 6;;
let resources_of_load trap chunk addressing nargs = [| 1; 0; 0; 1 |];;
let resources_of_store chunk addressing nargs = [| 1; 0; 0; 1 |];;
let resources_of_call _ _ = resource_bounds;;
let resources_of_builtin _ = resource_bounds;;
end;;
let get_opweights () : opweights =
match !Clflags.option_mtune with
| "cortex-a53" | "cortex-a35" | "" ->
{
pipelined_resource_bounds = Cortex_A53.resource_bounds;
nr_non_pipelined_units = Cortex_A53.nr_non_pipelined_units;
latency_of_op = Cortex_A53.latency_of_op;
resources_of_op = Cortex_A53.resources_of_op;
non_pipelined_resources_of_op = Cortex_A53.non_pipelined_resources_of_op;
latency_of_load = Cortex_A53.latency_of_load;
resources_of_load = Cortex_A53.resources_of_load;
resources_of_store = Cortex_A53.resources_of_store;
resources_of_cond = Cortex_A53.resources_of_cond;
latency_of_call = Cortex_A53.latency_of_call;
resources_of_call = Cortex_A53.resources_of_call;
resources_of_builtin = Cortex_A53.resources_of_builtin
}
| xxx -> failwith (Printf.sprintf "unknown -mtune: %s" xxx);;
|
