summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/lib
diff options
context:
space:
mode:
authorSandipan Das <sandipan@linux.ibm.com>2019-02-20 07:57:00 +0100
committerMichael Ellerman <mpe@ellerman.id.au>2019-02-23 11:04:31 +0100
commit78a8da0600940d679bb727cea7e153685e211723 (patch)
treec598294a9461a0e5b2b6b184c0ae1b193e76400b /arch/powerpc/lib
parentpowerpc: sstep: Add tests for add[.] instruction (diff)
downloadlinux-78a8da0600940d679bb727cea7e153685e211723.tar.xz
linux-78a8da0600940d679bb727cea7e153685e211723.zip
powerpc: sstep: Add tests for addc[.] instruction
This adds test cases for the addc[.] instruction. Signed-off-by: Sandipan Das <sandipan@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/lib')
-rw-r--r--arch/powerpc/lib/test_emulate_step.c192
1 files changed, 192 insertions, 0 deletions
diff --git a/arch/powerpc/lib/test_emulate_step.c b/arch/powerpc/lib/test_emulate_step.c
index ee6d5ac3b615..9992c1ea7a1d 100644
--- a/arch/powerpc/lib/test_emulate_step.c
+++ b/arch/powerpc/lib/test_emulate_step.c
@@ -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,
+ }
+ }
+ }
}
};