xref: /third_party/vixl/test/aarch32/config/cond-rd-operand-rn-t32.json (revision b8021494)

// Copyright 2016, VIXL authors
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// Test description for instructions of the following forms:
//   MNEMONIC{<c>}{<q>} <Rd>, <Rm>
//   MNEMONIC{<c>}{<q>} <Rn>, <Rm> {, <shift> #<amount> }
//   MNEMONIC{<c>}{<q>} {<Rd>}, <Rm> {, ROR #<amount> }
//
// Note that this test only covers the cases where the optional shift
// operand is not provided. The shift operands are tested in
// "cond-rd-operand-rn-shift-amount-*-t32.json".

{
  "mnemonics" : [
    "Cmn",    // CMN{<c>}{<q>} <Rn>, <Rm> ; T1
              // CMN{<c>}{<q>} <Rn>, <Rm> {, <shift> #<amount> } ; T2
    "Cmp",    // CMP{<c>}{<q>} <Rn>, <Rm> ; T1
              // CMP{<c>}{<q>} <Rn>, <Rm> ; T2
    "Mov",    // MOV{<c>}{<q>} <Rd>, <Rm> ; T1
              // MOV<c>{<q>} <Rd>, <Rm> {, <shift> #<amount> } ; T2
              // MOV{<c>}{<q>} <Rd>, <Rm> {, <shift> #<amount> } ; T3
    "Movs",   // MOVS{<q>} <Rd>, <Rm> {, <shift> #<amount> } ; T2
              // MOVS{<c>}{<q>} <Rd>, <Rm> {, <shift> #<amount> } ; T3
    "Mvn",    // MVN<c>{<q>} <Rd>, <Rm> ; T1
              // MVN{<c>}{<q>} <Rd>, <Rm> {, <shift> #<amount> } ; T2
    "Mvns",   // MVNS{<q>} <Rd>, <Rm> ; T1
              // MVNS{<c>}{<q>} <Rd>, <Rm> {, <shift> #<amount> } ; T2
    "Teq",    // TEQ{<c>}{<q>} <Rn>, <Rm> {, <shift> #<amount> } ; T1
    "Tst",    // TST{<c>}{<q>} <Rn>, <Rm> ; T1

    "Sxtb",   // SXTB{<c>}{<q>} {<Rd>}, <Rm> ; T1
              // SXTB{<c>}{<q>} {<Rd>}, <Rm> {, ROR #<amount> } ; T2
    "Sxtb16", // SXTB16{<c>}{<q>} {<Rd>}, <Rm> {, ROR #<amount> } ; T1
    "Sxth",   // SXTH{<c>}{<q>} {<Rd>}, <Rm> ; T1
              // SXTH{<c>}{<q>} {<Rd>}, <Rm> {, ROR #<amount> } ; T2
    "Uxtb",   // UXTB{<c>}{<q>} {<Rd>}, <Rm> ; T1
              // UXTB{<c>}{<q>} {<Rd>}, <Rm> {, ROR #<amount> } ; T2
    "Uxtb16", // UXTB16{<c>}{<q>} {<Rd>}, <Rm> {, ROR #<amount> } ; T1
    "Uxth"    // UXTH{<c>}{<q>} {<Rd>}, <Rm> ; T1
              // UXTH{<c>}{<q>} {<Rd>}, <Rm> {, ROR #<amount> } ; T2
  ],
  "description" : {
    "operands": [
      {
        "name": "cond",
        "type": "Condition"
      },
      {
        "name": "rd",
        "type": "AllRegistersButPC"
      },
      {
        "name": "op",
        "wrapper": "Operand",
        "operands": [
          {
            "name": "rn",
            "type": "AllRegistersButPC"
          }
        ]
      }
    ],
    "inputs": [
      {
        "name": "apsr",
        "type": "NZCV"
      },
      {
        "name": "rd",
        "type": "Register"
      },
      {
        "name": "rn",
        "type": "Register"
      }
    ]
  },
  "test-files": [
    {
      "type": "assembler",
      "test-cases": [
        {
          "name": "Unconditional",
          "operands": [
            "cond", "rd", "rn"
          ],
          "operand-filter": "cond == 'al'"
        }
      ]
    },
    // Test instructions in an IT block with no restrictions on registers.
    {
      "name": "in-it-block",
      "type": "assembler",
      "mnemonics" : [
        "Cmp", // CMP{<c>}{<q>} <Rn>, <Rm> ; T1
        "Mov"  // MOV{<c>}{<q>} <Rd>, <Rm> ; T1
      ],
      "test-cases": [
        {
          "name": "InITBlock",
          "operands": [
            "cond", "rd", "rn"
          ],
          // Generate an extra IT instruction.
          "in-it-block": "{cond}",
          "operand-filter": "cond != 'al'"
        }
      ]
    },
    // Test instructions in an IT block where registers have to be from r0 to r7.
    {
      "name": "low-registers-in-it-block",
      "type": "assembler",
      "mnemonics" : [
        "Cmn", // CMN{<c>}{<q>} <Rn>, <Rm> ; T1
        "Tst"  // TST{<c>}{<q>} <Rn>, <Rm> ; T1
      ],
      "test-cases": [
        {
          "name": "InITBlock",
          "operands": [
            "cond", "rd", "rn"
          ],
          // Generate an extra IT instruction.
          "in-it-block": "{cond}",
          "operand-filter": "cond != 'al' and register_is_low(rd) and register_is_low(rn)"
        }
      ]
    },
    // Special case for MVN in an IT block, both register operands
    // need to be identical as well as from r0 to r7.
    {
      "name": "identical-low-registers-in-it-block",
      "type": "assembler",
      "mnemonics" : [
        "Mvn" // MVN<c>{<q>} <Rd>, <Rm> ; T1
      ],
      "test-cases": [
        {
          "name": "InITBlock",
          "operands": [
            "cond", "rd", "rn"
          ],
          // Generate an extra IT instruction.
          "in-it-block": "{cond}",
          "operand-filter": "cond != 'al' and rd == rn and register_is_low(rd)"
        }
      ]
    },
    {
      "type": "simulator",
      "test-cases": [
        {
          "name": "Condition",
          "operands": [
            "cond"
          ],
          "inputs": [
            "apsr"
          ]
        },
        // Test combinations of registers values with rd == rn.
        {
          "name": "RdIsRn",
          "operands": [
            "rd", "rn"
          ],
          "inputs": [
            "rd", "rn"
          ],
          "operand-filter": "rd == rn",
          "input-filter": "rd == rn"
        },
        // Test combinations of registers values.
        {
          "name": "RdIsNotRn",
          "operands": [
            "rd", "rn"
          ],
          "inputs": [
            "rd", "rn"
          ],
          "operand-filter": "rd != rn",
          "operand-limit": 10,
          "input-limit": 200
        }
      ]
    }
  ]
}