Commit 44dea178 authored by Sandipan Das's avatar Sandipan Das Committed by Michael Ellerman
Browse files

powerpc: sstep: Add tests for add[.] instruction 



This adds test cases for the add[.] instruction.

Signed-off-by: default avatarSandipan Das <sandipan@linux.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 84022ac1

arch/powerpc/lib/test_emulate_step.c

+176 −0
Original line number Diff line number Diff line
@@ -49,6 +49,10 @@ 
					___PPC_RA(a) | ___PPC_RB(b))

#define TEST_LXVD2X(s, a, b)	(PPC_INST_LXVD2X | VSX_XX1((s), R##a, R##b))

#define TEST_STXVD2X(s, a, b)	(PPC_INST_STXVD2X | VSX_XX1((s), R##a, R##b))

#define TEST_ADD(t, a, b)	(PPC_INST_ADD | ___PPC_RT(t) |		\

					___PPC_RA(a) | ___PPC_RB(b))

#define TEST_ADD_DOT(t, a, b)	(PPC_INST_ADD | ___PPC_RT(t) |		\

					___PPC_RA(a) | ___PPC_RB(b) | 0x1)



#define MAX_SUBTESTS	16
@@ -473,6 +477,178 @@ static struct compute_test compute_tests[] = { 
				}

			}

		}

	},

	{

		.mnemonic = "add",

		.subtests = {

			{

				.descr = "RA = LONG_MIN, RB = LONG_MIN",

				.instr = TEST_ADD(20, 21, 22),

				.regs = {

					.gpr[21] = LONG_MIN,

					.gpr[22] = LONG_MIN,

				}

			},

			{

				.descr = "RA = LONG_MIN, RB = LONG_MAX",

				.instr = TEST_ADD(20, 21, 22),

				.regs = {

					.gpr[21] = LONG_MIN,

					.gpr[22] = LONG_MAX,

				}

			},

			{

				.descr = "RA = LONG_MAX, RB = LONG_MAX",

				.instr = TEST_ADD(20, 21, 22),

				.regs = {

					.gpr[21] = LONG_MAX,

					.gpr[22] = LONG_MAX,

				}

			},

			{

				.descr = "RA = ULONG_MAX, RB = ULONG_MAX",

				.instr = TEST_ADD(20, 21, 22),

				.regs = {

					.gpr[21] = ULONG_MAX,

					.gpr[22] = ULONG_MAX,

				}

			},

			{

				.descr = "RA = ULONG_MAX, RB = 0x1",

				.instr = TEST_ADD(20, 21, 22),

				.regs = {

					.gpr[21] = ULONG_MAX,

					.gpr[22] = 0x1,

				}

			},

			{

				.descr = "RA = INT_MIN, RB = INT_MIN",

				.instr = TEST_ADD(20, 21, 22),

				.regs = {

					.gpr[21] = INT_MIN,

					.gpr[22] = INT_MIN,

				}

			},

			{

				.descr = "RA = INT_MIN, RB = INT_MAX",

				.instr = TEST_ADD(20, 21, 22),

				.regs = {

					.gpr[21] = INT_MIN,

					.gpr[22] = INT_MAX,

				}

			},

			{

				.descr = "RA = INT_MAX, RB = INT_MAX",

				.instr = TEST_ADD(20, 21, 22),

				.regs = {

					.gpr[21] = INT_MAX,

					.gpr[22] = INT_MAX,

				}

			},

			{

				.descr = "RA = UINT_MAX, RB = UINT_MAX",

				.instr = TEST_ADD(20, 21, 22),

				.regs = {

					.gpr[21] = UINT_MAX,

					.gpr[22] = UINT_MAX,

				}

			},

			{

				.descr = "RA = UINT_MAX, RB = 0x1",

				.instr = TEST_ADD(20, 21, 22),

				.regs = {

					.gpr[21] = UINT_MAX,

					.gpr[22] = 0x1,

				}

			}

		}

	},

	{

		.mnemonic = "add.",

		.subtests = {

			{

				.descr = "RA = LONG_MIN, RB = LONG_MIN",

				.flags = IGNORE_CCR,

				.instr = TEST_ADD_DOT(20, 21, 22),

				.regs = {

					.gpr[21] = LONG_MIN,

					.gpr[22] = LONG_MIN,

				}

			},

			{

				.descr = "RA = LONG_MIN, RB = LONG_MAX",

				.instr = TEST_ADD_DOT(20, 21, 22),

				.regs = {

					.gpr[21] = LONG_MIN,

					.gpr[22] = LONG_MAX,

				}

			},

			{

				.descr = "RA = LONG_MAX, RB = LONG_MAX",

				.flags = IGNORE_CCR,

				.instr = TEST_ADD_DOT(20, 21, 22),

				.regs = {

					.gpr[21] = LONG_MAX,

					.gpr[22] = LONG_MAX,

				}

			},

			{

				.descr = "RA = ULONG_MAX, RB = ULONG_MAX",

				.instr = TEST_ADD_DOT(20, 21, 22),

				.regs = {

					.gpr[21] = ULONG_MAX,

					.gpr[22] = ULONG_MAX,

				}

			},

			{

				.descr = "RA = ULONG_MAX, RB = 0x1",

				.instr = TEST_ADD_DOT(20, 21, 22),

				.regs = {

					.gpr[21] = ULONG_MAX,

					.gpr[22] = 0x1,

				}

			},

			{

				.descr = "RA = INT_MIN, RB = INT_MIN",

				.instr = TEST_ADD_DOT(20, 21, 22),

				.regs = {

					.gpr[21] = INT_MIN,

					.gpr[22] = INT_MIN,

				}

			},

			{

				.descr = "RA = INT_MIN, RB = INT_MAX",

				.instr = TEST_ADD_DOT(20, 21, 22),

				.regs = {

					.gpr[21] = INT_MIN,

					.gpr[22] = INT_MAX,

				}

			},

			{

				.descr = "RA = INT_MAX, RB = INT_MAX",

				.instr = TEST_ADD_DOT(20, 21, 22),

				.regs = {

					.gpr[21] = INT_MAX,

					.gpr[22] = INT_MAX,

				}

			},

			{

				.descr = "RA = UINT_MAX, RB = UINT_MAX",

				.instr = TEST_ADD_DOT(20, 21, 22),

				.regs = {

					.gpr[21] = UINT_MAX,

					.gpr[22] = UINT_MAX,

				}

			},

			{

				.descr = "RA = UINT_MAX, RB = 0x1",

				.instr = TEST_ADD_DOT(20, 21, 22),

				.regs = {

					.gpr[21] = UINT_MAX,

					.gpr[22] = 0x1,

				}

			}

		}

	}

};

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