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Small improvements for mrb_gc_unregister()

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`ARY_PTR()` and `ARY_LEN()` avoid using them in a loop if the array is not changed, since they involve branching.
This commit is contained in:
dearblue
2024-10-19 11:10:10 +09:00
parent c3be2568ea
commit 2ec2437d23
1 changed files with 4 additions and 5 deletions
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src/gc.c
+4 -5
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@@ -455,11 +455,10 @@ mrb_gc_unregister(mrb_state *mrb, mrb_value obj)
}
a = mrb_ary_ptr(table);
mrb_ary_modify(mrb, a);
for (mrb_int i = 0; i < ARY_LEN(a); i++) {
if (mrb_ptr(ARY_PTR(a)[i]) == mrb_ptr(obj)) {
mrb_int len = ARY_LEN(a)-1;
mrb_value *ptr = ARY_PTR(a);
mrb_int len = ARY_LEN(a)-1;
mrb_value *ptr = ARY_PTR(a);
for (mrb_int i = 0; i <= len; i++) {
if (mrb_ptr(ptr[i]) == mrb_ptr(obj)) {
ARY_SET_LEN(a, len);
memmove(&ptr[i], &ptr[i + 1], (len - i) * sizeof(mrb_value));
break;