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Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/strtold_l.c')
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/strtold_l.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/strtold_l.c b/sysdeps/ieee754/ldbl-128ibm/strtold_l.c
index 93415f0f01..04e3288571 100644
--- a/sysdeps/ieee754/ldbl-128ibm/strtold_l.c
+++ b/sysdeps/ieee754/ldbl-128ibm/strtold_l.c
@@ -44,11 +44,10 @@ libc_hidden_proto (STRTOF)
 # define SET_MANTISSA(flt, mant) \
   do { union ibm_extended_long_double u;				      \
        u.d = (flt);							      \
-       if ((mant & 0xfffffffffffffULL) == 0)				      \
-	 mant = 0x8000000000000ULL;					      \
-       u.ieee.mantissa0 = ((mant) >> 32) & 0xfffff;			      \
-       u.ieee.mantissa1 = (mant) & 0xffffffff;				      \
-       (flt) = u.d;							      \
+       u.ieee_nan.mantissa0 = (mant) >> 32;				      \
+       u.ieee_nan.mantissa1 = (mant);					      \
+       if ((u.ieee.mantissa0 | u.ieee.mantissa1) != 0)			      \
+	 (flt) = u.d;							      \
   } while (0)
 
 #include <strtod_l.c>