diff options
Diffstat (limited to 'compiler/optimizing/codegen_test.cc')
| -rw-r--r-- | compiler/optimizing/codegen_test.cc | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/compiler/optimizing/codegen_test.cc b/compiler/optimizing/codegen_test.cc index af4cf73867..a84931a679 100644 --- a/compiler/optimizing/codegen_test.cc +++ b/compiler/optimizing/codegen_test.cc @@ -260,6 +260,31 @@ TEST(CodegenTest, ReturnIf2) { TestCode(data, true, 0); } +// Exercise bit-wise (one's complement) not-int instruction. +#define NOT_INT_TEST(TEST_NAME, INPUT, EXPECTED_OUTPUT) \ +TEST(CodegenTest, TEST_NAME) { \ + const int32_t input = INPUT; \ + const uint16_t input_lo = input & 0x0000FFFF; \ + const uint16_t input_hi = input >> 16; \ + const uint16_t data[] = TWO_REGISTERS_CODE_ITEM( \ + Instruction::CONST | 0 << 8, input_lo, input_hi, \ + Instruction::NOT_INT | 1 << 8 | 0 << 12 , \ + Instruction::RETURN | 1 << 8); \ + \ + TestCode(data, true, EXPECTED_OUTPUT); \ +} + +NOT_INT_TEST(ReturnNotIntMinus2, -2, 1) +NOT_INT_TEST(ReturnNotIntMinus1, -1, 0) +NOT_INT_TEST(ReturnNotInt0, 0, -1) +NOT_INT_TEST(ReturnNotInt1, 1, -2) +NOT_INT_TEST(ReturnNotIntINT_MIN, -2147483648, 2147483647) // (2^31) - 1 +NOT_INT_TEST(ReturnNotIntINT_MINPlus1, -2147483647, 2147483646) // (2^31) - 2 +NOT_INT_TEST(ReturnNotIntINT_MAXMinus1, 2147483646, -2147483647) // -(2^31) - 1 +NOT_INT_TEST(ReturnNotIntINT_MAX, 2147483647, -2147483648) // -(2^31) + +#undef NOT_INT_TEST + TEST(CodegenTest, ReturnAdd1) { const uint16_t data[] = TWO_REGISTERS_CODE_ITEM( Instruction::CONST_4 | 3 << 12 | 0, |