hotspot/src/cpu/x86/vm/assembler_x86.cpp
static void pass_arg1(MacroAssembler* masm, Register arg) {
{- -------------------------------------------
(1) c_rarg1 レジスタにコピーするだけ
---------------------------------------- -}
if (c_rarg1 != arg ) {
masm->mov(c_rarg1, arg);
}
}
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