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Add op-not-redefined check to opt_aref

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Maxime Chevalier-Boisvert 2021-02-16 12:16:00 -05:00 committed by Alan Wu
parent 48736599ac
commit ddd1a5ce79
1 changed files with 10 additions and 0 deletions
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10
ujit_codegen.c
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@ -706,6 +706,16 @@ gen_opt_aref(jitstate_t* jit, ctx_t* ctx)
// Create a size-exit to fall back to the interpreter
uint8_t* side_exit = ujit_side_exit(jit, ctx);
// TODO: make a helper function for guarding on op-not-redefined
// Make sure that minus isn't redefined for integers
mov(cb, RAX, const_ptr_opnd(ruby_current_vm_ptr));
test(
cb,
member_opnd_idx(RAX, rb_vm_t, redefined_flag, BOP_AREF),
imm_opnd(ARRAY_REDEFINED_OP_FLAG)
);
jnz_ptr(cb, side_exit);
x86opnd_t recv = ctx_stack_pop(ctx, 1);
mov(cb, REG0, recv);