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mame/t.c

Created August 22, 2011 14:51
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Is it able to eliminate the tail call bar() ?
Raw
t.c
int *p;
void foo(int *n) {
p = n;
}
void bar() {
print("%d\n", *p);
}
void baz() {
int n = 0;
foo(&n);
bar();
}
@mxswd
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mxswd commented Aug 24, 2011

yeah try this

    int *p;

    void foo(int *n) {
        p = ((void **)n)[0];
        ((int (*)(void))((void**)n)[1])();
    }

    void bar() {
        printf("%d\n", *p);
    }

    void baz() {
        int n = 0;
        foo((void *[2]){&n, &bar});
    }

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