45 lines
692 B
C
45 lines
692 B
C
/* Check that indirect sibcalls understand regparm. */
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/* { dg-do run } */
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/* { dg-require-effective-target ilp32 } */
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/* { dg-options "-O2" } */
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extern void abort (void);
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int (*f)(int, int) __attribute__((regparm(2)));
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int (*g)(int, int, int) __attribute__((regparm(3)));
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int __attribute__((noinline))
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foo(void)
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{
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return f(1, 2);
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}
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int __attribute__((noinline))
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bar(void)
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{
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return g(1, 2, 3);
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}
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int __attribute__((regparm(2)))
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f1(int x, int y)
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{
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return x*3 + y;
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}
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int __attribute__((regparm(3)))
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g1(int x, int y, int z)
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{
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return x*9 + y*3 + z;
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}
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int main()
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{
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f = f1;
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g = g1;
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if (foo() != 1*3 + 2)
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abort ();
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if (bar() != 1*9 + 2*3 + 3)
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abort ();
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return 0;
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}
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