gcc/testsuite/gcc.target/i386/pr56564-3.c

   1 /* PR target/56564 */
   2 /* { dg-do compile { target { fpic && lp64 } } } */
   3 /* { dg-skip-if "No symbol interposition for PIC" { *-*-mingw* *-*-cygwin* *-*-darwin* } } */
   4 /* { dg-options "-O3 -fpic -fdump-tree-optimized" } */
   5
   6 __thread struct S { long a, b; } s = { 5, 6 };
   7 __thread char t[16] = { 7 };
   8
   9 int
  10 foo (void)
  11 {
  12   return ((__UINTPTR_TYPE__) &s) & 15;
  13 }
  14
  15 /* For backwards compatibility we don't assume that t must
  16    be aligned to 16 bytes, but align it anyway.  */
  17
  18 int
  19 bar (void)
  20 {
  21   return ((__UINTPTR_TYPE__) &t[0]) & 15;
  22 }
  23
  24 /* { dg-final { scan-tree-dump-times "&s" 1 "optimized" } } */
  25 /* { dg-final { scan-tree-dump-times "&t" 1 "optimized" } } */
  26 /* { dg-final { scan-tree-dump-times "return 0" 0 "optimized" } } */
  27 /* { dg-final { scan-assembler-not ".align\[ \t]*16\[^:]*\[\n\r]s:" { target { *-*-linux* } } } } */
  28 /* { dg-final { scan-assembler ".align\[ \t]*16\[^:]*\[\n\r]t:" { target { *-*-linux* } } } } */
  29 /* { dg-final { cleanup-tree-dump "optimized" } } */