23 lines
981 B
Diff
Executable File
23 lines
981 B
Diff
Executable File
diff --git a/hotspot/src/cpu/aarch64/vm/c1_LIRGenerator_aarch64.cpp b/hotspot/src/cpu/aarch64/vm/c1_LIRGenerator_aarch64.cpp
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index 6d0b4acbd..ecd4bd4a6 100644
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--- a/hotspot/src/cpu/aarch64/vm/c1_LIRGenerator_aarch64.cpp
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+++ b/hotspot/src/cpu/aarch64/vm/c1_LIRGenerator_aarch64.cpp
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@@ -607,12 +607,12 @@ void LIRGenerator::do_ArithmeticOp_Int(ArithmeticOp* x) {
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} else {
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assert (x->op() == Bytecodes::_imul, "expect imul");
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if (right.is_constant()) {
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- int c = right.get_jint_constant();
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- if (! is_power_of_2(c) && ! is_power_of_2(c + 1) && ! is_power_of_2(c - 1)) {
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- // Cannot use constant op.
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- right.load_item();
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+ jint c = right.get_jint_constant();
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+ if (c > 0 && c < max_jint && (is_power_of_2(c) || is_power_of_2(c - 1) || is_power_of_2(c + 1))) {
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+ right_arg->dont_load_item();
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} else {
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- right.dont_load_item();
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+ // Cannot use constant op.
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+ right_arg->load_item();
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}
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} else {
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right.load_item();
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