1 /* PR rtl-optimization/89965 */
2 /* { dg-do run } */
3 /* { dg-options "-O -mtune=nano-x2 -fcaller-saves -fexpensive-optimizations -fno-tree-dce -fno-tree-ter" } */
4 /* { dg-additional-options "-march=i386" { target ia32 } } */
5
6 int a;
7
8 __attribute__ ((noipa)) unsigned long long
foo(unsigned char c,unsigned d,unsigned e,unsigned long long f,unsigned char g,unsigned h,unsigned long long i)9 foo (unsigned char c, unsigned d, unsigned e, unsigned long long f,
10 unsigned char g, unsigned h, unsigned long long i)
11 {
12 (void) d;
13 unsigned short j = __builtin_mul_overflow_p (~0, h, c);
14 e <<= e;
15 i >>= 7;
16 c *= i;
17 i /= 12;
18 a = __builtin_popcount (c);
19 __builtin_add_overflow (e, a, &f);
20 return c + f + g + j + h;
21 }
22
23 __attribute__ ((noipa)) void
bar(void)24 bar (void)
25 {
26 char buf[64];
27 __builtin_memset (buf, 0x55, sizeof buf);
28 asm volatile ("" : : "r" (&buf[0]) : "memory");
29 }
30
31 int
main(void)32 main (void)
33 {
34 bar ();
35 unsigned long long x = foo (2, 0, 0, 0, 0, 0, 0);
36 if (x != 0)
37 __builtin_abort ();
38 return 0;
39 }
40