Viewing file:  octeon-bbit-1.c (1.03 KB) -rw-r--r--
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/* { dg-do compile } */
/* { dg-options "-march=octeon" } */
/* { dg-skip-if "code quality test" { *-*-* } { "-O0" } { "" } } */
/* { dg-final { scan-assembler "\tbbit1\t" } } */
/* { dg-final { scan-assembler "\tbbit0\t" } } */
/* { dg-final { scan-assembler-times "\tbbit.\t" 6 } } */
/* { dg-final { scan-assembler-not "andi\t" } } */
NOMIPS16 void foo (void);
NOMIPS16 void
f1 (long long i)
{
if (i & 0x80)
foo ();
}
NOMIPS16 void
f2 (int i)
{
if (!(i & 0x80))
foo ();
}
/* f3 and f4 are equivalent and may be subject to ICF. The attribute
is supposed to prevent that. */
NOMIPS16 void __attribute__ ((noipa))
f3 (int i)
{
if (i % 2)
foo ();
}
NOMIPS16 void
f4 (int i)
{
if (i & 1)
foo ();
}
NOMIPS16 void
f5 (long long i)
{
if ((i >> 3) & 1)
foo ();
}
unsigned long long r;
NOMIPS16 static inline __attribute__((always_inline)) int
test_bit(unsigned long long nr, const unsigned long long *addr)
{
return 1UL & (addr[nr >> 6] >> (nr & 63ULL));
}
NOMIPS16 void
f6 ()
{
if (!test_bit(0, &r))
foo ();
}
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