From 7e67c73b939b25d4ad18a536e52282aa35d8ee56 Mon Sep 17 00:00:00 2001 From: Balamuruhan S Date: Fri, 26 Jun 2020 15:21:56 +0530 Subject: powerpc/test_emulate_step: Add negative tests for prefixed addi testcases for `paddi` instruction to cover the negative case, if R is equal to 1 and RA is not equal to 0, the instruction form is invalid. Signed-off-by: Balamuruhan S Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20200626095158.1031507-3-bala24@linux.ibm.com --- arch/powerpc/lib/test_emulate_step.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'arch/powerpc/lib') diff --git a/arch/powerpc/lib/test_emulate_step.c b/arch/powerpc/lib/test_emulate_step.c index 31065e986ff0..7d11ab5ef86c 100644 --- a/arch/powerpc/lib/test_emulate_step.c +++ b/arch/powerpc/lib/test_emulate_step.c @@ -1130,6 +1130,16 @@ static struct compute_test compute_tests[] = { .regs = { .gpr[21] = 0, } + }, + /* Invalid instruction form with R = 1 and RA != 0 */ + { + .descr = "RA = R22(0), SI = 0, R = 1", + .instr = TEST_PADDI(21, 22, 0, 1), + .flags = NEGATIVE_TEST, + .regs = { + .gpr[21] = 0, + .gpr[22] = 0, + } } } } -- cgit