Viewing file:  pr70467-1.c (1.36 KB) -rw-r--r--
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/* PR rtl-optimization/70467 */
/* { dg-do compile } */
/* { dg-options "-O2 -mno-sse" } */
void foo (unsigned long long *);
void
bar (void)
{
unsigned long long a;
foo (&a);
a &= 0x7fffffffffffffffULL;
foo (&a);
a &= 0xffffffff7fffffffULL;
foo (&a);
a &= 0x7fffffff00000000ULL;
foo (&a);
a &= 0x000000007fffffffULL;
foo (&a);
a &= 0x00000000ffffffffULL;
foo (&a);
a &= 0xffffffff00000000ULL;
foo (&a);
a |= 0x7fffffffffffffffULL;
foo (&a);
a |= 0xffffffff7fffffffULL;
foo (&a);
a |= 0x7fffffff00000000ULL;
foo (&a);
a |= 0x000000007fffffffULL;
foo (&a);
a |= 0x00000000ffffffffULL;
foo (&a);
a |= 0xffffffff00000000ULL;
foo (&a);
a ^= 0x7fffffffffffffffULL;
foo (&a);
a ^= 0xffffffff7fffffffULL;
foo (&a);
a ^= 0x7fffffff00000000ULL;
foo (&a);
a ^= 0x000000007fffffffULL;
foo (&a);
a ^= 0x00000000ffffffffULL;
foo (&a);
a ^= 0xffffffff00000000ULL;
foo (&a);
}
/* { dg-final { scan-assembler-not "andl\[ \t\]*.-1," { target ia32 } } } */
/* { dg-final { scan-assembler-not "andl\[ \t\]*.0," { target ia32 } } } */
/* { dg-final { scan-assembler-not "orl\[ \t\]*.-1," { target ia32 } } } */
/* { dg-final { scan-assembler-not "orl\[ \t\]*.0," { target ia32 } } } */
/* { dg-final { scan-assembler-not "xorl\[ \t\]*.-1," { target ia32 } } } */
/* { dg-final { scan-assembler-not "xorl\[ \t\]*.0," { target ia32 } } } */
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