mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-20 19:42:54 +02:00
85 lines
2.5 KiB
TableGen
85 lines
2.5 KiB
TableGen
|
//===- MipsEVAInstrFormats.td - Mips Instruction Formats ---*- tablegen -*-===//
|
||
|
//
|
||
|
// The LLVM Compiler Infrastructure
|
||
|
//
|
||
|
// This file is distributed under the University of Illinois Open Source
|
||
|
// License. See LICENSE.TXT for details.
|
||
|
//
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
//
|
||
|
// This file describes Mips32r6 instruction formats.
|
||
|
//
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
|
||
|
class MipsEVAInst : MipsInst<(outs), (ins), "", [], NoItinerary, FrmOther>,
|
||
|
PredicateControl, StdArch {
|
||
|
let DecoderNamespace = "Mips";
|
||
|
let EncodingPredicates = [HasStdEnc];
|
||
|
}
|
||
|
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
//
|
||
|
// Field Values
|
||
|
//
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
|
||
|
// Memory Load/Store EVA
|
||
|
def OPCODE6_LBE : OPCODE6<0b101100>;
|
||
|
def OPCODE6_LBuE : OPCODE6<0b101000>;
|
||
|
def OPCODE6_LHE : OPCODE6<0b101101>;
|
||
|
def OPCODE6_LHuE : OPCODE6<0b101001>;
|
||
|
def OPCODE6_LWE : OPCODE6<0b101111>;
|
||
|
|
||
|
def OPCODE6_SBE : OPCODE6<0b011100>;
|
||
|
def OPCODE6_SHE : OPCODE6<0b011101>;
|
||
|
def OPCODE6_SWE : OPCODE6<0b011111>;
|
||
|
|
||
|
// load/store left/right EVA
|
||
|
def OPCODE6_LWLE : OPCODE6<0b011001>;
|
||
|
def OPCODE6_LWRE : OPCODE6<0b011010>;
|
||
|
def OPCODE6_SWLE : OPCODE6<0b100001>;
|
||
|
def OPCODE6_SWRE : OPCODE6<0b100010>;
|
||
|
|
||
|
// Load-linked EVA, Store-conditional EVA
|
||
|
def OPCODE6_LLE : OPCODE6<0b101110>;
|
||
|
def OPCODE6_SCE : OPCODE6<0b011110>;
|
||
|
|
||
|
def OPCODE6_TLBINV : OPCODE6<0b000011>;
|
||
|
def OPCODE6_TLBINVF : OPCODE6<0b000100>;
|
||
|
|
||
|
def OPCODE6_CACHEE : OPCODE6<0b011011>;
|
||
|
def OPCODE6_PREFE : OPCODE6<0b100011>;
|
||
|
|
||
|
def OPGROUP_COP0 : OPGROUP<0b010000>;
|
||
|
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
//
|
||
|
// Encoding Formats
|
||
|
//
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
|
||
|
class SPECIAL3_EVA_LOAD_STORE_FM<OPCODE6 Operation> : MipsEVAInst {
|
||
|
bits<21> addr;
|
||
|
bits<5> hint;
|
||
|
bits<5> base = addr{20-16};
|
||
|
bits<9> offset = addr{8-0};
|
||
|
|
||
|
bits<32> Inst;
|
||
|
|
||
|
let Inst{31-26} = OPGROUP_SPECIAL3.Value;
|
||
|
let Inst{25-21} = base;
|
||
|
let Inst{20-16} = hint;
|
||
|
let Inst{15-7} = offset;
|
||
|
let Inst{6} = 0;
|
||
|
let Inst{5-0} = Operation.Value;
|
||
|
}
|
||
|
|
||
|
class TLB_FM<OPCODE6 Operation> : MipsEVAInst {
|
||
|
bits<32> Inst;
|
||
|
|
||
|
let Inst{31-26} = OPGROUP_COP0.Value;
|
||
|
let Inst{25} = 1; // CO
|
||
|
let Inst{24-6} = 0;
|
||
|
let Inst{5-0} = Operation.Value;
|
||
|
}
|