Mercurial > hg > CbC > CbC_gcc

annotate gcc/testsuite/gcc.dg/pr89679.c @ 145:1830386684a0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
145
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
1 /* PR rtl-optimization/89679 */
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
2 /* { dg-do run } */
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
3 /* { dg-options "-Og -frerun-cse-after-loop -fno-tree-fre" } */
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
4
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
5 unsigned short g;
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
6
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
7 void
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
8 foo (unsigned long long x)
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
9 {
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
10 if (x != 0xffff)
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
11 __builtin_abort ();
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
12 }
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
13
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
14 int
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
15 main ()
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
16 {
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
17 #if __SIZEOF_SHORT__ == 2 && __SIZEOF_INT__ == 4 && __CHAR_BIT__ == 8
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
18 unsigned short d = 0;
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
19 unsigned long long x, c = ~0;
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
20 c = c >> d;
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
21 __builtin_memset (&d, c, 2);
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
22 x = d + g;
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
23 foo (x);
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
24 #endif
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
25 return 0;
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
26 }