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-rw-r--r--newlib/libm/common/math_config.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/newlib/libm/common/math_config.h b/newlib/libm/common/math_config.h
index df8f8d6e4..e7a8bb7fe 100644
--- a/newlib/libm/common/math_config.h
+++ b/newlib/libm/common/math_config.h
@@ -79,6 +79,14 @@
# endif
#endif
+#ifndef HAVE_FAST_FMAF
+# if HAVE_FAST_FMA || (__ARM_FEATURE_FMA && (__ARM_FP & 4))
+# define HAVE_FAST_FMAF 1
+# else
+# define HAVE_FAST_FMAF 0
+# endif
+#endif
+
#if HAVE_FAST_ROUND
/* When set, the roundtoint and converttoint functions are provided with
the semantics documented below. */