m4/m4-1.4.17-gnulib-ppc64le.patch
2014-04-10 14:43:43 +02:00

20 lines
704 B
Diff

--- m4-1.4.17/tests/test-isnanl.h.ori
+++ m4-1.4.17/tests/test-isnanl.h
@@ -51,6 +51,15 @@ main ()
/* A bit pattern that is different from a Quiet NaN. With a bit of luck,
it's a Signalling NaN. */
{
+#if defined __powerpc__ && LDBL_MANT_DIG == 106
+ /* This is PowerPC "double double", a pair of two doubles. Inf and Nan are
+ represented as the corresponding 64-bit IEEE values in the first double;
+ the second is ignored. Manipulate only the first double. */
+ #undef NWORDS
+ #define NWORDS \
+ ((sizeof (double) + sizeof (unsigned int) - 1) / sizeof (unsigned int))
+#endif
+
memory_long_double m;
m.value = NaNl ();
# if LDBL_EXPBIT0_BIT > 0