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/* { dg-do compile { target lp64 } } */
/* { dg-options "-O2 -march=z13 -mzarch" } */
/* { dg-final { check-function-bodies "**" "" "" } } */
/* { dg-final { scan-assembler {\.LC0:\n\t\.long\t1074339512\n\t\.long\t1374389535\n} } } */
/*
** test_double_into_gpr:
** lgrl %r4,.LC0
** foo %r4
** br %r14
*/
void
test_double_into_gpr (void)
{
// This is the counterpart to
// register double x asm ("r4") = 3.14;
// asm ("foo %0" :: "r" (x));
// where the bit-pattern of 3.14 is loaded into GPR.
asm ("foo %0" :: "{r4}" (3.14));
}
/*
** test_double:
** (
** ldr %f4,%f0
** ldr %f5,%f2
** |
** ldr %f5,%f2
** ldr %f4,%f0
** )
** adbr %f5,%f4
** ldr %f0,%f5
** br %r14
*/
double
test_double (double x, double y)
{
asm ("adbr %0,%1" : "+{f5}" (y) : "{f4}" (x));
return y;
}
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