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-rw-r--r--src/longlong.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/longlong.h b/src/longlong.h
index 6ee157cda..f2b2c4985 100644
--- a/src/longlong.h
+++ b/src/longlong.h
@@ -1398,7 +1398,7 @@ extern UWtype __MPN(udiv_qrnnd) (UWtype *, UWtype, UWtype, UWtype);
/* We should test _IBMR2 here when we add assembly support for the system
vendor compilers. */
-#if HAVE_HOST_CPU_FAMILY_powerpc && W_TYPE_SIZE == 64
+#if HAVE_HOST_CPU_FAMILY_powerpc && W_TYPE_SIZE == 64 && defined (_LP64)
#if !defined (_LONG_LONG_LIMB)
/* _LONG_LONG_LIMB is ABI=mode32 where adde operates on 32-bit values. So
use adde etc only when not _LONG_LONG_LIMB. */