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%%% -*- erlang-indent-level: 2 -*-
%%%
%%% %CopyrightBegin%
%%%
%%% Copyright Ericsson AB 2004-2016. All Rights Reserved.
%%%
%%% Licensed under the Apache License, Version 2.0 (the "License");
%%% you may not use this file except in compliance with the License.
%%% You may obtain a copy of the License at
%%%
%%% http://www.apache.org/licenses/LICENSE-2.0
%%%
%%% Unless required by applicable law or agreed to in writing, software
%%% distributed under the License is distributed on an "AS IS" BASIS,
%%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%%% See the License for the specific language governing permissions and
%%% limitations under the License.
%%%
%%% %CopyrightEnd%
%%%
%%%--------------------------------------------------------------------
%%% Basic Values:
%%%
%%% temp ::= {ppc_temp, reg, type, allocatable}
%%% reg ::= <token from hipe_ppc_registers>
%%% type ::= tagged | untagged
%%% allocatable ::= true | false
%%%
%%% sdesc ::= {ppc_sdesc, exnlab, fsize, arity, live}
%%% exnlab ::= [] | label
%%% fsize ::= int32 (frame size in words)
%%% live ::= <tuple of int32> (word offsets)
%%% arity ::= uint8
%%%
%%% mfa ::= {ppc_mfa, atom, atom, arity}
%%% prim ::= {ppc_prim, atom}
-record(ppc_mfa, {m::atom(), f::atom(), a::arity()}).
-record(ppc_prim, {prim}).
-record(ppc_sdesc, {exnlab, fsize, arity::arity(), live}).
-record(ppc_simm16, {value}).
-record(ppc_temp, {reg, type, allocatable}).
-record(ppc_uimm16, {value}).
%%% Instruction Operands:
%%%
%%% aluop ::= add | add. | addi | addic. | addis | addo. | subf | subf. | subfo.
%%% | and | and. | andi. | or | or. | ori | xor | xor. | xori
%%% | slw | slw. | slwi | slwi. | srw | srw. | srwi | srwi.
%%% | sraw | sraw. | srawi | srawi. | mulli | mullw | mullw. | mullwo.
%%% bcond ::= eq | ne | gt | ge | lt | le | so | ns
%%% cmpop ::= cmp | cmpi | cmpl | cmpli
%%% ldop ::= lbz | lha | lhz | lwz
%%% ldxop ::= lbzx | lhax | lhzx | lwzx | lhbrx | lwbrx
%%% stop ::= stb | stw (HW has sth, but we don't use it)
%%% stxop ::= stbx | stwx (HW has sthx/sthbrx/stwbrx, but we don't use them)
%%% unop ::= extsb | extsh | {rlwinm,SH,MB,ME} | {rlwinm.,SH,MB,ME}
%%%
%%% immediate ::= int32 | atom | {label, label_type}
%%% label_type ::= constant | closure | c_const
%%%
%%% dst ::= temp
%%% src ::= temp
%%% | simm16 | uimm16 (only in alu.src2, cmp.src2)
%%% base ::= temp
%%% disp ::= sint16 (untagged simm16)
%%%
%%% fun ::= mfa | prim
%%% func ::= mfa | prim | 'ctr'
%%%
%%% spr ::= ctr | lr | xer
%%% Instructions:
-record(alu, {aluop, dst, src1, src2}).
-record(b_fun, {'fun', linkage}). % known tailcall
-record(b_label, {label}). % local jump, unconditional
-record(bc, {bcond, label, pred}). % local jump, conditional
-record(bctr, {labels}). % computed tailcall or switch
-record(bctrl, {sdesc}). % computed recursive call
-record(bl, {'fun', sdesc, linkage}). % known recursive call
-record(blr, {}). % unconditional bclr (return)
-record(cmp, {cmpop, src1, src2}).
-record(comment, {term}).
-record(label, {label}).
-record(load, {ldop, dst, disp, base}). % non-indexed, non-update form
-record(loadx, {ldxop, dst, base1, base2}). % indexed, non-update form
-record(mfspr, {dst, spr}). % for reading LR and XER
-record(mtcr, {src}). % for copying XER[CA] to CR0[EQ] via a temp
-record(mtspr, {spr, src}). % for writing LR, CTR, and XER
-record(pseudo_bc, {bcond, true_label, false_label, pred}).
-record(pseudo_call, {func, sdesc, contlab, linkage}).
-record(pseudo_call_prepare, {nrstkargs}).
-record(pseudo_li, {dst, imm}).
-record(pseudo_move, {dst, src}).
-record(pseudo_tailcall, {func, arity, stkargs, linkage}).
-record(pseudo_tailcall_prepare, {}).
-record(store, {stop, src, disp, base}). % non-indexed, non-update form
-record(storex, {stxop, src, base1, base2}).% indexed, non-update form
-record(unary, {unop, dst, src}).
-record(lfd, {dst, disp, base}).
-record(lfdx, {dst, base1, base2}).
-record(stfd, {src, disp, base}).
-record(stfdx, {src, base1, base2}).
-record(fp_binary, {fp_binop, dst, src1, src2}).
-record(fp_unary, {fp_unop, dst, src}).
-record(pseudo_fmove, {dst, src}).
%%% Function definitions.
-include("../misc/hipe_consttab.hrl").
-record(defun, {mfa :: mfa(), formals, code,
data :: hipe_consttab(),
isclosure :: boolean(),
isleaf :: boolean(),
var_range, label_range}).
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