/* { dg-do run } */ /* { dg-options "-Wno-psabi -fsanitize=signed-integer-overflow -Wno-unused-variable -fno-sanitize-recover=signed-integer-overflow" } */ #define SCHAR_MAX __SCHAR_MAX__ #define SCHAR_MIN (-__SCHAR_MAX__ - 1) #define SHRT_MAX __SHRT_MAX__ #define SHRT_MIN (-__SHRT_MAX__ - 1) #define INT_MAX __INT_MAX__ #define INT_MIN (-__INT_MAX__ - 1) typedef signed char VC __attribute__((vector_size (16))); typedef short VS __attribute__((vector_size (8 * sizeof (short)))); typedef int VI __attribute__((vector_size (4 * sizeof (int)))); typedef int VI2 __attribute__((vector_size (16 * sizeof (int)))); void __attribute__((noinline,noclone)) checkvc (VC i, VC j) { if (__builtin_memcmp (&i, &j, sizeof (VC))) __builtin_abort (); } void __attribute__((noinline,noclone)) checkvs (VS i, VS j) { if (__builtin_memcmp (&i, &j, sizeof (VS))) __builtin_abort (); } void __attribute__((noinline,noclone)) checkvi (VI i, VI j) { if (__builtin_memcmp (&i, &j, sizeof (VI))) __builtin_abort (); } void __attribute__((noinline,noclone)) checkvi2 (VI2 i, VI2 j) { if (__builtin_memcmp (&i, &j, sizeof (VI2))) __builtin_abort (); } VI __attribute__((noinline,noclone)) foo (VI i) { return -i; } VS __attribute__((noinline,noclone)) bar (VS i, VS j) { return i + j; } int main (void) { /* Check that for a vector operation, only the first element with UB is reported. */ volatile VC a = (VC) { 0, SCHAR_MAX - 2, SCHAR_MAX - 2, 3, 2, 3, 4, 5, 0, 7, 1, 2, 3, 4, SCHAR_MAX - 13, SCHAR_MAX }; volatile VC b = (VC) { 5, 2, 1, 5, 0, 1, 2, 7, 8, 9, 10, 11, 6, -2, 13, 0 }; volatile VC k = b + a; checkvc (k, (VC) { 5, SCHAR_MAX, SCHAR_MAX - 1, 8, 2, 4, 6, 12, 8, 16, 11, 13, 9, 2, SCHAR_MAX, SCHAR_MAX }); k = a + b; checkvc (k, (VC) { 5, SCHAR_MAX, SCHAR_MAX - 1, 8, 2, 4, 6, 12, 8, 16, 11, 13, 9, 2, SCHAR_MAX, SCHAR_MAX }); volatile VS c = (VS) { 0, SHRT_MAX - 2, SHRT_MAX - 2, 3, 3, 4, SHRT_MAX - 13, SHRT_MAX }; volatile VS d = (VS) { 5, 2, -3, 5, 6, -2, 13, -1 }; volatile VS l = d + c; checkvs (l, (VS) { 5, SHRT_MAX, SHRT_MAX - 5, 8, 9, 2, SHRT_MAX, SHRT_MAX - 1 }); l = bar (c, d); checkvs (l, (VS) { 5, SHRT_MAX, SHRT_MAX - 5, 8, 9, 2, SHRT_MAX, SHRT_MAX - 1 }); volatile VI e = (VI) { INT_MAX - 4, INT_MAX - 5, INT_MAX - 13, INT_MAX }; volatile VI f = (VI) { 4, -6, 13, 0 }; volatile VI m = f + e; checkvi (m, (VI) { INT_MAX, INT_MAX - 11,INT_MAX, INT_MAX }); m = e + f; checkvi (m, (VI) { INT_MAX, INT_MAX - 11,INT_MAX, INT_MAX }); volatile VI2 g = (VI2) { 0, INT_MAX - 2, INT_MAX - 2, 3, 3, 4, INT_MAX - 13, INT_MAX }; volatile VI2 h = (VI2) { 5, 2, -5, 5, 6, -2, 13, -1 }; volatile VI2 n = h + g; checkvi2 (n, (VI2) { 5, INT_MAX, INT_MAX - 7, 8, 9, 2, INT_MAX, INT_MAX - 1 }); n = g + h; checkvi2 (n, (VI2) { 5, INT_MAX, INT_MAX - 7, 8, 9, 2, INT_MAX, INT_MAX - 1 }); volatile VC a2 = k - b; checkvc (a2, a); volatile VC b2 = k - a; checkvc (b2, b); volatile VS c2 = l - d; checkvs (c2, c); volatile VS d2 = l - c; checkvs (d2, d); volatile VI e2 = m - f; checkvi (e2, e); volatile VI f2 = m - e; checkvi (f2, f); volatile VI2 g2 = n - h; checkvi2 (g2, g); volatile VI2 h2 = n - g; checkvi2 (h2, h); a = (VC) { 0, SCHAR_MAX / 4, SCHAR_MAX / 4, 3, 2, 3, 4, 5, 0, 7, 1, 2, 3, 4, SCHAR_MAX - 13, SCHAR_MAX }; b = (VC) { SCHAR_MAX, 4, 3, 2, 3, 4, 5, 2, 9, 2, 9, 1, 0, 8, 1, 1 }; k = a * b; checkvc (k, (VC) { 0, 124, 93, 6, 6,12,20,10, 0,14, 9, 2, 0,32, SCHAR_MAX - 13, SCHAR_MAX }); c = (VS) { 0, SHRT_MAX / 8, SHRT_MAX / 7, 5, 8, 9, SHRT_MAX - 10, SHRT_MAX }; d = (VS) { SHRT_MAX, 8, 6, 2, 3, 4, 1, 1 }; l = c * d; checkvs (l, (VS) { 0, 32760, 28086, 10,24,36, SHRT_MAX - 10, SHRT_MAX }); e = (VI) { INT_MAX, INT_MAX / 5, INT_MAX / 6, INT_MAX }; f = (VI) { 0, 5, 5, 1 }; m = e * f; checkvi (m, (VI) { 0, 2147483645, 1789569705, INT_MAX }); g = (VI2) { INT_MAX, INT_MAX / 9, INT_MAX / 8, 5, 6, 7, 8, INT_MAX }; h = (VI2) { 0, 8, 8, 2, 3, 4, 5, 1 }; n = g * h; checkvi2 (n,(VI2) { 0, 1908874352, 2147483640, 10,18,28,40, INT_MAX }); a = (VC) { 5, 7, 8, 9, SCHAR_MAX, SCHAR_MIN + 1, 24, 32, 0, 1, 2, 3, 4, 5, SCHAR_MAX, SCHAR_MIN + 2 }; k = -a; checkvc (k, (VC) {-5,-7,-8,-9,-SCHAR_MAX, SCHAR_MAX, -24,-32, 0,-1,-2,-3,-4,-5,-SCHAR_MAX, SCHAR_MAX - 1 }); c = (VS) { 0, 7, 23, SHRT_MIN + 1, SHRT_MIN + 2, SHRT_MAX, 2, 5 }; l = -c; checkvs (l, (VS) { 0,-7,-23, SHRT_MAX, SHRT_MAX - 1,-SHRT_MAX,-2,-5 }); e = (VI) { 5, INT_MAX, INT_MIN + 1, INT_MIN + 2 }; m = foo (e); checkvi (m, (VI) {-5,-INT_MAX, INT_MAX, INT_MAX - 1 }); g = (VI2) { 10, 11, 0, INT_MAX - 2, 1, INT_MIN + 1, 5, INT_MIN / 2 }; n = -g; checkvi2 (n, (VI2) {-10,-11, 0,-INT_MAX + 2,-1, INT_MAX, -5, INT_MAX / 2 + 1 }); return 0; }