| /* | |
| * Check to see if an object reference is an instance of a class. | |
| * | |
| * Most common situation is a non-null object, being compared against | |
| * an already-resolved class. | |
| */ | |
| /* instance-of vA, vB, class@CCCC */ | |
| EXPORT_PC | |
| movzwl 2(rPC), OUT_32_ARG0 # OUT_32_ARG0 <- CCCC | |
| movl rINST, %eax # eax <- BA | |
| sarl $$4, %eax # eax <- B | |
| leaq VREG_ADDRESS(%rax), OUT_ARG1 # Get object address | |
| movq OFF_FP_METHOD(rFP), OUT_ARG2 | |
| movq rSELF, OUT_ARG3 | |
| call SYMBOL(MterpInstanceOf) # (index, &obj, method, self) | |
| movsbl %al, %eax | |
| movq rSELF, %rcx | |
| cmpq $$0, THREAD_EXCEPTION_OFFSET(%rcx) | |
| jnz MterpException | |
| andb $$0xf, rINSTbl # rINSTbl <- A | |
| SET_VREG %eax, rINSTq | |
| ADVANCE_PC_FETCH_AND_GOTO_NEXT 2 |