cpu-builtin-1.c: Change test to use #ifdef __BUILTIN_CPU_SUPPORTS to see if...

2017-07-19  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* gcc.target/powerpc/cpu-builtin-1.c: Change test to use #ifdef
	__BUILTIN_CPU_SUPPORTS to see if the GLIBC is new enough that
	__builtin_cpu_is and __builtin_cpu_supports are supported.

From-SVN: r250364
This commit is contained in:
Michael Meissner 2017-07-19 19:29:16 +00:00 committed by Michael Meissner
parent 3d50b6045a
commit a6722e5bf2
2 changed files with 18 additions and 1 deletions

View file

@ -1,3 +1,9 @@
2017-07-19 Michael Meissner <meissner@linux.vnet.ibm.com>
* gcc.target/powerpc/cpu-builtin-1.c: Change test to use #ifdef
__BUILTIN_CPU_SUPPORTS to see if the GLIBC is new enough that
__builtin_cpu_is and __builtin_cpu_supports are supported.
2017-07-19 Steven Munroe <munroesj@gcc.gnu.org>
* gcc.target/powerpc/bmi-check.h (main): Skip unless

View file

@ -1,10 +1,14 @@
/* { dg-do compile { target { powerpc*-*-* } } } */
/* { dg-skip-if "" { powerpc*-*-darwin* } } */
/* { dg-require-effective-target ppc_cpu_supports_hw } */
void
use_cpu_is_builtins (unsigned int *p)
{
/* If GCC was configured to use an old GLIBC (before 2.23), the
__builtin_cpu_is and __builtin_cpu_supports built-in functions return 0,
and the compiler issues a warning that you need a newer glibc to use them.
Use #ifdef to avoid the warning. */
#ifdef __BUILTIN_CPU_SUPPORTS__
p[0] = __builtin_cpu_is ("power9");
p[1] = __builtin_cpu_is ("power8");
p[2] = __builtin_cpu_is ("power7");
@ -20,11 +24,15 @@ use_cpu_is_builtins (unsigned int *p)
p[12] = __builtin_cpu_is ("ppc440");
p[13] = __builtin_cpu_is ("ppc405");
p[14] = __builtin_cpu_is ("ppc-cell-be");
#else
p[0] = 0;
#endif
}
void
use_cpu_supports_builtins (unsigned int *p)
{
#ifdef __BUILTIN_CPU_SUPPORTS__
p[0] = __builtin_cpu_supports ("4xxmac");
p[1] = __builtin_cpu_supports ("altivec");
p[2] = __builtin_cpu_supports ("arch_2_05");
@ -63,4 +71,7 @@ use_cpu_supports_builtins (unsigned int *p)
p[35] = __builtin_cpu_supports ("ucache");
p[36] = __builtin_cpu_supports ("vcrypto");
p[37] = __builtin_cpu_supports ("vsx");
#else
p[0] = 0;
#endif
}