mirror of
https://github.com/nArnoSNES/tcc-65816.git
synced 2024-06-02 19:42:59 +00:00
94 lines
1.6 KiB
C
94 lines
1.6 KiB
C
/* PR middle-end/27959 */
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/* { dg-do run { target { int32plus } } } */
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/* { dg-options "-O2" } */
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/* { dg-options "-O2 -mtune=z990" { target s390*-*-* } } */
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extern void abort (void);
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struct B
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{
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unsigned long long b1, b2, b3;
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char b4;
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};
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struct C
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{
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char c1;
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};
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struct D
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{
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char *d1;
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struct C **d2;
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unsigned long long d3;
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};
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void
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__attribute__((noinline))
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foo (void *x, struct B *y, unsigned long long *z)
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{
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if (x)
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abort ();
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if (y->b1 != 7 || y->b2 != 5 || y->b3 != 3 || y->b4)
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abort ();
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if (*z != 2)
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abort ();
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}
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long long
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__attribute__((noinline))
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baz (unsigned long long *x, unsigned long long y)
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{
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//asm volatile ("" : : "r" (&x), "r" (&y) : "memory");
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return *x + y;
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}
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inline long long bar (unsigned long long *x, unsigned long long y)
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{
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if (y < *x)
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return 0;
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return baz (x, y);
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}
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unsigned long long *
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__attribute__((noinline))
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test (struct D *x, unsigned long long *y)
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{
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struct B b;
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unsigned long long c;
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bar (y, x->d3);
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if ((*(x->d2))->c1)
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c = ((unsigned char) x->d1[0]
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+ ((unsigned char) x->d1[1] << 8)
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+ ((unsigned char) x->d1[2] << 16)
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+ ((short) x->d1[3] << 24));
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else
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{
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long long d;
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((char *) &d)[0] = x->d1[0];
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((char *) &d)[1] = x->d1[1];
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((char *) &d)[2] = x->d1[2];
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((char *) &d)[3] = x->d1[3];
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c = d;
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}
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b.b4 = 0;
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b.b1 = c / 10000L % 10000;
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b.b2 = c / 100 % 100;
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b.b3 = c % 100;
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foo (0, &b, y);
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return y;
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}
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int
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main (void)
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{
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unsigned long long x = 900070503;
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unsigned long long y = 2;
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struct C c = { 0 }, *cptr = &c;
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struct D d = { (char *) &x, &cptr, 0 };
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if (test (&d, &y) != &y)
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abort ();
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return 0;
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}
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