File: RISCVInstrInfoXVentana.td

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (36 lines) | stat: -rw-r--r-- 1,583 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
//===-- RISCVInstrInfoXVentana.td --------------------------*- tablegen -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file describes the vendor extensions defined by Ventana Micro Systems.
//
//===----------------------------------------------------------------------===//

//===----------------------------------------------------------------------===//
// XVentanaCondOps
//===----------------------------------------------------------------------===//

let Predicates = [IsRV64, HasVendorXVentanaCondOps], hasSideEffects = 0,
  mayLoad = 0, mayStore = 0, isCodeGenOnly = 0, DecoderNamespace = "Ventana" in
class VTMaskedMove<bits<3> funct3, string opcodestr>
    : RVInstR<0b0000000, funct3, OPC_CUSTOM_3, (outs GPR:$rd),
              (ins GPR:$rs1, GPR:$rs2), opcodestr,
              "$rd, $rs1, $rs2"> {
}

def VT_MASKC : VTMaskedMove<0b110, "vt.maskc">,
           Sched<[WriteIALU, ReadIALU, ReadIALU]>;

def VT_MASKCN : VTMaskedMove<0b111, "vt.maskcn">,
           Sched<[WriteIALU, ReadIALU, ReadIALU]>;

let Predicates = [IsRV64, HasVendorXVentanaCondOps] in {
def : Pat<(XLenVT (riscv_czero_eqz GPR:$rs1, GPR:$rc)),
          (VT_MASKC GPR:$rs1, GPR:$rc)>;
def : Pat<(XLenVT (riscv_czero_nez GPR:$rs1, GPR:$rc)),
          (VT_MASKCN GPR:$rs1, GPR:$rc)>;
} // Predicates = [IsRV64, HasVendorXVentanaCondOps]