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comparison gcc/testsuite/gcc.dg/pr83363.c @ 132:d34655255c78

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update gcc-8.2
author mir3636
date Thu, 25 Oct 2018 10:21:07 +0900
parents 84e7813d76e9
children
comparison
equal deleted inserted replaced
130:e108057fa461 132:d34655255c78
1 /* PR rtl-optimization/83363 */
2 /* { dg-do run } */
3 /* { dg-options "-O2 -fno-forward-propagate" } */
4
5 unsigned char a;
6 unsigned int b;
7
8 static unsigned short __attribute__ ((noinline, noclone))
9 foo (unsigned short x)
10 {
11 x -= b;
12 x <<= x == 0;
13 a = ~0;
14 a >>= (unsigned char) x == 0;
15 x *= a -= ~a;
16 return x;
17 }
18
19 int
20 main ()
21 {
22 asm volatile ("" : : : "memory");
23 if (foo (3) != (unsigned short) (3 * (unsigned char) ~0))
24 __builtin_abort ();
25 return 0;
26 }