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vm.c: use direct array access if possible

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2023-09-01 15:29:40 +09:00
parent 0eef05cc00
commit 9914243d68
1 changed files with 9 additions and 1 deletions
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src/vm.c
+9 -1
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@@ -1556,7 +1556,15 @@ RETRY_TRY_BLOCK:
switch (mrb_type(va)) {
case MRB_TT_ARRAY:
if (!mrb_integer_p(vb)) goto getidx_fallback;
regs[a] = mrb_ary_entry(va, mrb_integer(vb));
else {
mrb_int idx = mrb_integer(vb);
if (0 <= idx && idx < RARRAY_LEN(va)) {
regs[a] = RARRAY_PTR(va)[idx];
}
else {
regs[a] = mrb_ary_entry(va, idx);
}
}
break;
case MRB_TT_HASH:
va = mrb_hash_get(mrb, va, vb);