// Copyright 2016, VIXL authors
// All rights reserved.
//
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// modification, are permitted provided that the following conditions are met:
//
//   * Redistributions of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//   * Redistributions in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
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//     used to endorse or promote products derived from this software without
//     specific prior written permission.
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// Test description for instructions of the following form:
//   MNEMONIC{<c>} <Rd>, <Rn>, <Rm>, ROR #<amount>

{
  "mnemonics": [
    "Sxtab",   // SXTAB{<c>}{<q>} {<Rd>}, <Rn>, <Rm> {, ROR #<amount> } ; A1
    "Sxtab16", // SXTAB16{<c>}{<q>} {<Rd>}, <Rn>, <Rm> {, ROR #<amount> } ; A1
    "Sxtah",   // SXTAH{<c>}{<q>} {<Rd>}, <Rn>, <Rm> {, ROR #<amount> } ; A1
    "Uxtab",   // UXTAB{<c>}{<q>} {<Rd>}, <Rn>, <Rm> {, ROR #<amount> } ; A1
    "Uxtab16", // UXTAB16{<c>}{<q>} {<Rd>}, <Rn>, <Rm> {, ROR #<amount> } ; A1
    "Uxtah"    // UXTAH{<c>}{<q>} {<Rd>}, <Rn>, <Rm> {, ROR #<amount> } ; A1
  ],
  "description": {
    "operands": [
      {
        "name": "cond",
        "type": "Condition"
      },
      {
        "name": "rd",
        "type": "AllRegistersButPC"
      },
      {
        "name": "rn",
        "type": "AllRegistersButPC"
      },
      {
        "name": "op",
        "wrapper": "Operand",
        "operands": [
          {
            "name": "rm",
            "type": "AllRegistersButPC"
          },
          {
            "name": "ror",
            "type": "ShiftROR"
          },
          {
            "name": "amount",
            "type": "ShiftRotationAmountX8"
          }
        ]
      }
    ],
    "inputs": [
      {
        "name": "apsr",
        "type": "NZCV"
      },
      {
        "name": "rd",
        "type": "Register"
      },
      {
        "name": "rn",
        "type": "Register"
      },
      {
        "name": "rm",
        "type": "Register"
      }
    ]
  },
  "test-files": [
    {
      "type": "assembler",
      "test-cases": [
        {
          "name": "Operands",
          "operands": [
            "cond", "rd", "rn", "rm", "ror", "amount"
          ],
          "operand-limit": 1000
        }
      ]
    },
    {
      "type": "simulator",
      "test-cases": [
        {
          "name": "Condition",
          "operands": [
            "cond"
          ],
          "inputs": [
            "apsr"
          ]
        },
        // Test combinations of registers values with rd == rn.
        {
          "name": "RdIsRn",
          "operands": [
            "rd", "rn", "rm"
          ],
          "inputs": [
            "rd", "rn", "rm"
          ],
          "operand-filter": "rd == rn and rn != rm",
          "operand-limit": 10,
          "input-filter": "rd == rn",
          "input-limit": 200
        },
        // Test combinations of registers values with rd == rm.
        {
          "name": "RdIsRm",
          "operands": [
            "rd", "rn", "rm"
          ],
          "inputs": [
            "rd", "rn", "rm"
          ],
          "operand-filter": "rd == rm and rn != rm",
          "operand-limit": 10,
          "input-filter": "rd == rm",
          "input-limit": 200
        },
        // Test combinations of registers values.
        {
          "name": "RdIsNotRnIsNotRm",
          "operands": [
            "rd", "rn", "rm"
          ],
          "inputs": [
            "rd", "rn", "rm"
          ],
          "operand-filter": "rd != rn != rm",
          "operand-limit": 10,
          "input-limit": 200
        },
        // Test combinations of rotation amounts.
        {
          "name": "Rotations",
          "operands": [
            "rd", "rn", "rm", "ror", "amount"
          ],
          "inputs": [
            "rm"
          ],
          // Specify exactly what registers to use in this test to make sure
          // that they are different. It makes the execution trace more
          // understandable.
          "operand-filter": "rd == 'r0' and rn == 'r1' and rm == 'r2'"
        }
      ]
    }
  ]
}