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70 lines
1.9 KiB
70 lines
1.9 KiB
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class Blort {
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static void methodThatNeedsInvokeRange
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(int a, int b, int c, int d, int e, int f) {
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}
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void testNoLocals() {
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methodThatNeedsInvokeRange(5, 0, 5, 0, 5, 0);
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}
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void testMixedLocals() {
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int src = 6;
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int dest = 7;
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methodThatNeedsInvokeRange(src, 0, dest, 1, 5, 0);
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methodThatNeedsInvokeRange(src, 0, dest, 1, 5, 0);
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}
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// here the current algorithm partial-overlapping will stumble a bit
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// The register containing "zero" will be marked as "reserved for locals"
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// Then the subsequent arraycopy will need a whole new set of 5 registers
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void testMixedWorseCase() {
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int src = 6;
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int dest = 7;
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int zero = 0;
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methodThatNeedsInvokeRange(src, zero, dest, 1, 5, 0);
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methodThatNeedsInvokeRange(src, 0, dest, 1, 5, 0);
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}
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void testAllParams(int a, int b, int c, int d, int e, int f) {
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methodThatNeedsInvokeRange(a, b, c, d, e, f);
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}
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// this could try to make use of param positions, but doesn't
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static void testTailParams(int destPos, int length) {
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int src = 6;
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int dest = 7;
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methodThatNeedsInvokeRange(src, 0, dest, 0, destPos, length);
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}
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// This presently requires a whole N new registers
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void testFlip() {
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int src = 6;
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int dest = 7;
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methodThatNeedsInvokeRange(src, 0, dest, 1, 5, 0);
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methodThatNeedsInvokeRange(dest, 0, src, 1, 5, 0);
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}
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// ensure that an attempt to combine registers for a local
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// with a differing category doesn't mess us up.
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long testMixedCategory(boolean foo) {
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if (foo) {
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int offset = 1;
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int src = 6;
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int dest = 7;
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methodThatNeedsInvokeRange(src, 0, dest, offset, 5, 0);
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return offset;
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} else {
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long offset = System.currentTimeMillis();;
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return offset;
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}
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}
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}
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