Mercurial > hg > CbC > CbC_gcc

comparison gcc/testsuite/gcc.c-torture/execute/pr84524.c @ 131:84e7813d76e9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents
children
comparison
equal deleted inserted replaced
111:04ced10e8804 131:84e7813d76e9
1 /* PR target/84524 */
2
3 __attribute__((noipa)) void
4 foo (unsigned short *x)
5 {
6 unsigned short i, v;
7 unsigned char j;
8 for (i = 0; i < 256; i++)
9 {
10 v = i << 8;
11 for (j = 0; j < 8; j++)
12 if (v & 0x8000)
13 v = (v << 1) ^ 0x1021;
14 else
15 v = v << 1;
16 x[i] = v;
17 }
18 }
19
20 int
21 main ()
22 {
23 unsigned short a[256];
24
25 foo (a);
26 for (int i = 0; i < 256; i++)
27 {
28 unsigned short v = i << 8;
29 for (int j = 0; j < 8; j++)
30 {
31 asm volatile ("" : "+r" (v));
32 if (v & 0x8000)
33 v = (v << 1) ^ 0x1021;
34 else
35 v = v << 1;
36 }
37 if (a[i] != v)
38 __builtin_abort ();
39 }
40 return 0;
41 }