Viewing file:  clone3.c (1.07 KB) -rw-r--r--
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/* { dg-do compile { target { powerpc*-*-linux* && lp64 } } } */
/* { dg-options "-mdejagnu-cpu=power8 -O2" } */
/* { dg-require-effective-target powerpc_pcrel } */
/* { dg-require-effective-target ppc_cpu_supports_hw } */
/* Power9 (aka, ISA 3.0) has a MODSD instruction to do modulus, while Power8
(aka, ISA 2.07) has to do modulus with divide and multiply. Make sure
both clone functions are generated.
FUTURE has pc-relative instructions to access static values, while earlier
systems used TOC addressing.
Restrict ourselves to Linux, since IFUNC might not be supported in other
operating systems. */
static long s;
long *p = &s;
__attribute__((target_clones("cpu=power10,cpu=power9,default")))
long mod_func (long a, long b)
{
return (a % b) + s;
}
long mod_func_or (long a, long b, long c)
{
return mod_func (a, b) | c;
}
/* { dg-final { scan-assembler-times {\mdivd\M} 1 } } */
/* { dg-final { scan-assembler-times {\mmulld\M} 1 } } */
/* { dg-final { scan-assembler-times {\mmodsd\M} 2 } } */
/* { dg-final { scan-assembler-times {\mpld\M} 1 } } */
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