| /* PR target/67089 */ |
| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fno-tree-vectorize -ftree-loop-if-convert -fdump-tree-widening_mul" } */ |
| |
| extern void abort (void); |
| |
| int cnt; |
| unsigned int a[16], b[16], c[16], d; |
| void foo (int x); |
| |
| __attribute__((noinline, noclone)) void |
| f0 (unsigned int x) |
| { |
| for (int i = 0; i < 16; i++) |
| { |
| unsigned int r = x - a[i]; |
| b[i] = r; |
| c[i] = r > x ? 7 : x; |
| } |
| } |
| |
| #define T(n, type, op, cond) \ |
| __attribute__((noinline, noclone)) \ |
| type \ |
| f##n (type x, type y) \ |
| { \ |
| type r = op; \ |
| cond; \ |
| return r; \ |
| } |
| |
| T (1, unsigned int, x - y, if (r > x) foo (0)) |
| T (2, unsigned long, x - y, if (r <= x) foo (0)) |
| T (3, unsigned short, x - y, if (x < r) foo (r)) |
| T (4, unsigned long long, x - y, if (x >= r) foo (0)) |
| T (5, unsigned int, x - y, if (d || r > x) foo (0)) |
| T (6, unsigned long, x - y, if (d || r <= x) foo (0)) |
| T (7, unsigned char, x - y, if (d || x < r) foo (0)) |
| T (8, unsigned long long, x - y, if (d || x >= r) foo (0)) |
| T (9, unsigned int, x + y, if (r >= x) foo (0)) |
| T (10, unsigned long, x + y, if (r < x) foo (0)) |
| T (11, unsigned short, x + y, if (x <= r) foo (r)) |
| T (12, unsigned long long, x + y, if (d || x > r) foo (0)) |
| T (13, unsigned int, x + y, if (d || r >= x) foo (0)) |
| T (14, unsigned long, x + y, if (d || r < x) foo (0)) |
| T (15, unsigned short, x + y, if (d || x <= r) foo (0)) |
| T (16, unsigned long long, x + y, if (d || x > r) foo (0)) |
| T (17, unsigned int, x + y, if (r >= y) foo (0)) |
| T (18, unsigned long, x + y, if (r < y) foo (0)) |
| T (19, unsigned short, x + y, if (y <= r) foo (r)) |
| T (20, unsigned long long, x + y, if (d || y > r) foo (0)) |
| T (21, unsigned int, x + y, if (d || r >= y) foo (0)) |
| T (22, unsigned long, x + y, if (d || r < y) foo (0)) |
| T (23, unsigned short, x + y, if (d || y <= r) foo (0)) |
| T (24, unsigned long long, x + y, if (d || y > r) foo (0)) |
| T (25, unsigned short, 2U - x, if (r > 2U) foo (0)) |
| T (26, unsigned char, 2U - x, if (r <= 2U) foo (0)) |
| |
| /* { dg-final { scan-tree-dump-times "ADD_OVERFLOW" 16 "widening_mul" { target { i?86-*-* x86_64-*-* } } } } */ |
| /* { dg-final { scan-tree-dump-times "SUB_OVERFLOW" 11 "widening_mul" { target { { i?86-*-* x86_64-*-* } && { ! ia32 } } } } } */ |
| /* { dg-final { scan-tree-dump-times "SUB_OVERFLOW" 9 "widening_mul" { target { { i?86-*-* x86_64-*-* } && ia32 } } } } */ |