gcc/testsuite/gcc.target/i386/pr70467-1.c

   1 /* PR rtl-optimization/70467 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -mno-sse" } */
   4
   5 void foo (unsigned long long *);
   6
   7 void
   8 bar (void)
   9 {
  10   unsigned long long a;
  11   foo (&a);
  12   a &= 0x7fffffffffffffffULL;
  13   foo (&a);
  14   a &= 0xffffffff7fffffffULL;
  15   foo (&a);
  16   a &= 0x7fffffff00000000ULL;
  17   foo (&a);
  18   a &= 0x000000007fffffffULL;
  19   foo (&a);
  20   a &= 0x00000000ffffffffULL;
  21   foo (&a);
  22   a &= 0xffffffff00000000ULL;
  23   foo (&a);
  24   a |= 0x7fffffffffffffffULL;
  25   foo (&a);
  26   a |= 0xffffffff7fffffffULL;
  27   foo (&a);
  28   a |= 0x7fffffff00000000ULL;
  29   foo (&a);
  30   a |= 0x000000007fffffffULL;
  31   foo (&a);
  32   a |= 0x00000000ffffffffULL;
  33   foo (&a);
  34   a |= 0xffffffff00000000ULL;
  35   foo (&a);
  36   a ^= 0x7fffffffffffffffULL;
  37   foo (&a);
  38   a ^= 0xffffffff7fffffffULL;
  39   foo (&a);
  40   a ^= 0x7fffffff00000000ULL;
  41   foo (&a);
  42   a ^= 0x000000007fffffffULL;
  43   foo (&a);
  44   a ^= 0x00000000ffffffffULL;
  45   foo (&a);
  46   a ^= 0xffffffff00000000ULL;
  47   foo (&a);
  48 }
  49
  50 /* { dg-final { scan-assembler-not "andl\[ \t\]*.-1," { target ia32 } } } */
  51 /* { dg-final { scan-assembler-not "andl\[ \t\]*.0," { target ia32 } } } */
  52 /* { dg-final { scan-assembler-not "orl\[ \t\]*.-1," { target ia32 } } } */
  53 /* { dg-final { scan-assembler-not "orl\[ \t\]*.0," { target ia32 } } } */
  54 /* { dg-final { scan-assembler-not "xorl\[ \t\]*.-1," { target ia32 } } } */
  55 /* { dg-final { scan-assembler-not "xorl\[ \t\]*.0," { target ia32 } } } */