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Commit 78a8da06 authored by Sandipan Das's avatar Sandipan Das Committed by Michael Ellerman
Browse files

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



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

Signed-off-by: default avatarSandipan Das <sandipan@linux.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 44dea178

arch/powerpc/include/asm/ppc-opcode.h

+1 −0
Original line number Diff line number Diff line
@@ -326,6 +326,7 @@ 
#define PPC_INST_ADDI			0x38000000

#define PPC_INST_ADDIS			0x3c000000

#define PPC_INST_ADD			0x7c000214

#define PPC_INST_ADDC			0x7c000014

#define PPC_INST_SUB			0x7c000050

#define PPC_INST_BLR			0x4e800020

#define PPC_INST_BLRL			0x4e800021

arch/powerpc/lib/test_emulate_step.c

+192 −0
Original line number Diff line number Diff line
@@ -53,6 +53,10 @@ 
					___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 TEST_ADDC(t, a, b)	(PPC_INST_ADDC | ___PPC_RT(t) |		\

					___PPC_RA(a) | ___PPC_RB(b))

#define TEST_ADDC_DOT(t, a, b)	(PPC_INST_ADDC | ___PPC_RT(t) |		\

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



#define MAX_SUBTESTS	16
@@ -649,6 +653,194 @@ static struct compute_test compute_tests[] = { 
				}

			}

		}

	},

	{

		.mnemonic = "addc",

		.subtests = {

			{

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

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

				.regs = {

					.gpr[21] = LONG_MIN,

					.gpr[22] = LONG_MIN,

				}

			},

			{

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

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

				.regs = {

					.gpr[21] = LONG_MIN,

					.gpr[22] = LONG_MAX,

				}

			},

			{

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

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

				.regs = {

					.gpr[21] = LONG_MAX,

					.gpr[22] = LONG_MAX,

				}

			},

			{

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

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

				.regs = {

					.gpr[21] = ULONG_MAX,

					.gpr[22] = ULONG_MAX,

				}

			},

			{

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

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

				.regs = {

					.gpr[21] = ULONG_MAX,

					.gpr[22] = 0x1,

				}

			},

			{

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

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

				.regs = {

					.gpr[21] = INT_MIN,

					.gpr[22] = INT_MIN,

				}

			},

			{

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

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

				.regs = {

					.gpr[21] = INT_MIN,

					.gpr[22] = INT_MAX,

				}

			},

			{

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

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

				.regs = {

					.gpr[21] = INT_MAX,

					.gpr[22] = INT_MAX,

				}

			},

			{

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

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

				.regs = {

					.gpr[21] = UINT_MAX,

					.gpr[22] = UINT_MAX,

				}

			},

			{

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

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

				.regs = {

					.gpr[21] = UINT_MAX,

					.gpr[22] = 0x1,

				}

			},

			{

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

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

				.regs = {

					.gpr[21] = LONG_MIN | (uint)INT_MIN,

					.gpr[22] = LONG_MIN | (uint)INT_MIN,

				}

			}

		}

	},

	{

		.mnemonic = "addc.",

		.subtests = {

			{

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

				.flags = IGNORE_CCR,

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

				.regs = {

					.gpr[21] = LONG_MIN,

					.gpr[22] = LONG_MIN,

				}

			},

			{

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

				.instr = TEST_ADDC_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_ADDC_DOT(20, 21, 22),

				.regs = {

					.gpr[21] = LONG_MAX,

					.gpr[22] = LONG_MAX,

				}

			},

			{

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

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

				.regs = {

					.gpr[21] = ULONG_MAX,

					.gpr[22] = ULONG_MAX,

				}

			},

			{

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

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

				.regs = {

					.gpr[21] = ULONG_MAX,

					.gpr[22] = 0x1,

				}

			},

			{

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

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

				.regs = {

					.gpr[21] = INT_MIN,

					.gpr[22] = INT_MIN,

				}

			},

			{

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

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

				.regs = {

					.gpr[21] = INT_MIN,

					.gpr[22] = INT_MAX,

				}

			},

			{

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

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

				.regs = {

					.gpr[21] = INT_MAX,

					.gpr[22] = INT_MAX,

				}

			},

			{

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

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

				.regs = {

					.gpr[21] = UINT_MAX,

					.gpr[22] = UINT_MAX,

				}

			},

			{

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

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

				.regs = {

					.gpr[21] = UINT_MAX,

					.gpr[22] = 0x1,

				}

			},

			{

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

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

				.regs = {

					.gpr[21] = LONG_MIN | (uint)INT_MIN,

					.gpr[22] = LONG_MIN | (uint)INT_MIN,

				}

			}

		}

	}

};