[PATCH 3/4] powerpc64le: refactor fmaf128

[Paul E. Murphy]

Use the compiler hint to determine if this can be inlined.  This should
work for any supported GCC which inlines fma.  Likewise, it prepares
for a more generic multiarch _Float128 implementation of libm.
---
 .../powerpc64/le/fpu/multiarch/s_fmaf128-power9.c   |  2 +-
 .../powerpc64/le/fpu/multiarch/s_fmaf128-ppc64.c    |  2 +-
 .../powerpc64/le/{power9 => }/fpu/s_fmaf128.c       | 13 ++++++++++---
 3 files changed, 12 insertions(+), 5 deletions(-)
 rename sysdeps/powerpc/powerpc64/le/{power9 => }/fpu/s_fmaf128.c (89%)

diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/s_fmaf128-power9.c b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/s_fmaf128-power9.c
index 8df77ceade..98d4107429 100644
--- a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/s_fmaf128-power9.c
+++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/s_fmaf128-power9.c
@@ -23,4 +23,4 @@
 
 #define __fmaf128 __fmaf128_power9
 
-#include <sysdeps/powerpc/powerpc64/le/power9/fpu/s_fmaf128.c>
+#include <sysdeps/powerpc/powerpc64/le/fpu/s_fmaf128.c>
diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/s_fmaf128-ppc64.c b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/s_fmaf128-ppc64.c
index ab0c4d03a8..405e287ff3 100644
--- a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/s_fmaf128-ppc64.c
+++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/s_fmaf128-ppc64.c
@@ -23,4 +23,4 @@
 
 #define __fmaf128 __fmaf128_ppc64
 
-#include <sysdeps/ieee754/float128/s_fmaf128.c>
+#include <sysdeps/powerpc/powerpc64/le/fpu/s_fmaf128.c>
diff --git a/sysdeps/powerpc/powerpc64/le/power9/fpu/s_fmaf128.c b/sysdeps/powerpc/powerpc64/le/fpu/s_fmaf128.c
similarity index 89%
rename from sysdeps/powerpc/powerpc64/le/power9/fpu/s_fmaf128.c
rename to sysdeps/powerpc/powerpc64/le/fpu/s_fmaf128.c
index f02e810fb9..e0173fff4e 100644
--- a/sysdeps/powerpc/powerpc64/le/power9/fpu/s_fmaf128.c
+++ b/sysdeps/powerpc/powerpc64/le/fpu/s_fmaf128.c
@@ -25,12 +25,19 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
+#ifdef __FP_FAST_FMAF128
+#include <float128_private.h>
 #include <libm-alias-float128.h>
 
-__float128
-__fmaf128 (__float128 x, __float128 y, __float128 z)
+_Float128
+__fmaf128 (_Float128 x, _Float128 y, _Float128 z)
 {
   return x * y + z;
 }
-
 libm_alias_float128 (__fma, fma)
+
+#else
+
+#include <sysdeps/ieee754/float128/s_fmaf128.c>
+
+#endif
-- 
2.21.1