mirror of
https://github.com/nArnoSNES/tcc-65816.git
synced 2024-06-02 19:42:59 +00:00
74 lines
1.5 KiB
C
74 lines
1.5 KiB
C
/* PR optimization/15296. The delayed-branch scheduler caused code that
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SEGV:d for CRIS; a register was set to -1 in a delay-slot for the
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fall-through code, while that register held a pointer used in code at
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the branch target. */
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typedef int __attribute__ ((mode (__pointer__))) intptr_t;
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typedef intptr_t W;
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union u0
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{
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union u0 *r;
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W i;
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};
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struct s1
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{
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union u0 **m0;
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union u0 m1[4];
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};
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void f (void *, struct s1 *, const union u0 *, W, W, W)
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__attribute__ ((__noinline__));
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void g (void *, char *) __attribute__ ((__noinline__));
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void
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f (void *a, struct s1 *b, const union u0 *h, W v0, W v1, W v4)
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{
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union u0 *e = 0;
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union u0 *k = 0;
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union u0 **v5 = b->m0;
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union u0 *c = b->m1;
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union u0 **d = &v5[0];
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l0:;
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if (v0 < v1)
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goto l0;
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if (v0 == 0)
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goto l3;
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v0 = v4;
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if (v0 != 0)
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goto l3;
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c[0].r = *d;
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v1 = -1;
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e = c[0].r;
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if (e != 0)
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g (a, "");
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k = e + 3;
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k->i = v1;
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goto l4;
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l3:;
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c[0].i = v0;
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e = c[1].r;
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if (e != 0)
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g (a, "");
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e = c[0].r;
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if (e == 0)
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g (a, "");
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k = e + 2;
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k->r = c[1].r;
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l4:;
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}
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void g (void *a, char *b) { abort (); }
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int
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main ()
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{
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union u0 uv[] = {{ .i = 111 }, { .i = 222 }, { .i = 333 }, { .i = 444 }};
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struct s1 s = { 0, {{ .i = 555 }, { .i = 0 }, { .i = 999 }, { .i = 777 }}};
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f (0, &s, 0, 20000, 10000, (W) uv);
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if (s.m1[0].i != (W) uv || s.m1[1].i != 0 || s.m1[2].i != 999
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|| s.m1[3].i != 777 || uv[0].i != 111 || uv[1].i != 222
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|| uv[2].i != 0 || uv[3].i != 444)
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abort ();
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exit (0);
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}
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