Implement jitDispatchJ9Method for MethodHandles on Aarch64 #23085
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Private linkage code generation implementation for jitDispatchJ9Method on aarch64. Adds new kind of snippet ARM64J9HelperCallSnippet, which is a helper call snippet that can flush in register argumnets to the stack. This also adds a register move for jitDispatchJ9Method call nodes to move the j9method pointer into x0, as expected by the j2iTransition helper. Changes _j9methodArgumentRegister to x10 so that is does not overlap with the first integer argument register. Signed-off-by: Matthew Hall <matthew.hall3@outlook.com>
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Private linkage code generation implementation for jitDispatchJ9Method on aarch64.
Adds new kind of snippet ARM64J9HelperCallSnippet, which is a helper call snippet that can flush in register argumnets to the stack. This also adds a register move for jitDispatchJ9Method call nodes to move the j9method pointer into x0, as expected by the j2iTransition helper.
Changes _j9methodArgumentRegister to
x10so that it does not overlap with the first integer argument register.depends on eclipse-omr/omr#8068