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emit_x64_data_processing: Detect overflow on division

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This commit is contained in:
Merry
2022-11-29 14:15:03 +00:00
parent 905d822810
commit 038b728797
3 changed files with 52 additions and 5 deletions
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19
tests/A32/test_arm_instructions.cpp
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@@ -582,3 +582,22 @@ TEST_CASE("arm: vmsr, vcmp, vmrs", "[arm][A32]") {
test_env.ticks_left = 4;
jit.Run();
}
TEST_CASE("arm: sdiv maximally", "[arm][A32]") {
ArmTestEnv test_env;
A32::Jit jit{GetUserConfig(&test_env)};
test_env.code_mem = {
0xe712f011, // sdiv r2, r1, r0
0xeafffffe, // b +#0
};
jit.Regs()[1] = 0x80000000;
jit.Regs()[0] = 0xffffffff;
jit.SetCpsr(0x000001d0); // User-mode
test_env.ticks_left = 2;
jit.Run();
REQUIRE(jit.Regs()[2] == 0x80000000);
}