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Diffstat (limited to 'test/082-inline-execute/src/Main.java')
-rw-r--r-- | test/082-inline-execute/src/Main.java | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/test/082-inline-execute/src/Main.java b/test/082-inline-execute/src/Main.java index 4dfa73c..177c5a4 100644 --- a/test/082-inline-execute/src/Main.java +++ b/test/082-inline-execute/src/Main.java @@ -1000,6 +1000,45 @@ public class Main { Assert.assertEquals(Long.reverse(0x8765432187654321L), 0x84c2a6e184c2a6e1L); Assert.assertEquals(Long.reverse(Long.MAX_VALUE), 0xfffffffffffffffeL); Assert.assertEquals(Long.reverse(Long.MIN_VALUE), 1L); + + Assert.assertEquals(test_Long_reverse_b22324327(0xaaaaaaaaaaaaaaaaL, 0x5555555555555555L), + 157472205507277347L); + } + + // A bit more complicated than the above. Use local variables to stress register allocation. + private static long test_Long_reverse_b22324327(long l1, long l2) { + // A couple of local integers. Use them in a loop, so they get promoted. + int i1 = 0, i2 = 1, i3 = 2, i4 = 3, i5 = 4, i6 = 5, i7 = 6, i8 = 7; + for (int k = 0; k < 10; k++) { + i1 += 1; + i2 += 2; + i3 += 3; + i4 += 4; + i5 += 5; + i6 += 6; + i7 += 7; + i8 += 8; + } + + // Do the Long.reverse() calls, save the results. + long r1 = Long.reverse(l1); + long r2 = Long.reverse(l2); + + // Some more looping with the ints. + for (int k = 0; k < 10; k++) { + i1 += 1; + i2 += 2; + i3 += 3; + i4 += 4; + i5 += 5; + i6 += 6; + i7 += 7; + i8 += 8; + } + + // Include everything in the result, so things are kept live. Try to be a little bit clever to + // avoid things being folded somewhere. + return (r1 / i1) + (r2 / i2) + i3 + i4 + i5 + i6 + i7 + i8; } static Object runtime; |