diff options
Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/20071210-1.c')
-rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/20071210-1.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/20071210-1.c b/gcc/testsuite/gcc.c-torture/execute/20071210-1.c new file mode 100644 index 000000000..0d113c008 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/20071210-1.c @@ -0,0 +1,67 @@ +/* PR rtl-optimization/34302 */ + +extern void abort (void); + +struct S +{ + int n1, n2, n3, n4; +}; + +__attribute__((noinline)) struct S +foo (int x, int y, int z) +{ + if (x != 10 || y != 9 || z != 8) + abort (); + struct S s = { 1, 2, 3, 4 }; + return s; +} + +__attribute__((noinline)) void ** +bar (void **u, int *v) +{ + void **w = u; + int *s = v, x, y, z; + void **p, **q; + static void *l[] = { &&lab1, &&lab1, &&lab2, &&lab3, &&lab4 }; + + if (!u) + return l; + + q = *w++; + goto *q; +lab2: + p = q; + q = *w++; + x = s[2]; + y = s[1]; + z = s[0]; + s -= 1; + struct S r = foo (x, y, z); + s[3] = r.n1; + s[2] = r.n2; + s[1] = r.n3; + s[0] = r.n4; + goto *q; +lab3: + p = q; + q = *w++; + s += 1; + s[0] = 23; +lab1: + goto *q; +lab4: + return 0; +} + +int +main (void) +{ + void **u = bar ((void **) 0, (int *) 0); + void *t[] = { u[2], u[4] }; + int s[] = { 7, 8, 9, 10, 11, 12 }; + if (bar (t, &s[1]) != (void **) 0 + || s[0] != 4 || s[1] != 3 || s[2] != 2 || s[3] != 1 + || s[4] != 11 || s[5] != 12) + abort (); + return 0; +} |