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-rw-r--r--sysdeps/generic/libm-alias-float128.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/sysdeps/generic/libm-alias-float128.h b/sysdeps/generic/libm-alias-float128.h
index 8a7ebf3..b739cdf 100644
--- a/sysdeps/generic/libm-alias-float128.h
+++ b/sysdeps/generic/libm-alias-float128.h
@@ -19,12 +19,19 @@
#ifndef _LIBM_ALIAS_FLOAT128_H
#define _LIBM_ALIAS_FLOAT128_H
+#include <bits/floatn.h>
+
/* Define _FloatN / _FloatNx aliases (other than that for _Float128)
for a _Float128 libm function that has internal name FROM ## f128
## R and public names TO ## suffix ## R for each suffix of a
supported _FloatN / _FloatNx floating-point type with the same
format as _Float128. */
-#define libm_alias_float128_other_r(from, to, r)
+#if __HAVE_FLOAT64X && !__HAVE_FLOAT64X_LONG_DOUBLE
+# define libm_alias_float128_other_r(from, to, r) \
+ weak_alias (from ## f128 ## r, to ## f64x ## r)
+#else
+# define libm_alias_float128_other_r(from, to, r)
+#endif
/* Likewise, but without the R suffix. */
#define libm_alias_float128_other(from, to) \
@@ -39,7 +46,7 @@
per format, not per type) or for obsolescent functions not provided
for _FloatN types. */
#define libm_alias_float128_r(from, to, r) \
- weak_alias (from ## f128 ## r, to ## f128 ## r) \
+ weak_alias (from ## f128 ## r, to ## f128 ## r); \
libm_alias_float128_other_r (from, to, r)
/* Likewise, but without the R suffix. */