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-rw-r--r--gcc/doc/tm.texi4
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi
index ad17909..4ebdcfb 100644
--- a/gcc/doc/tm.texi
+++ b/gcc/doc/tm.texi
@@ -1068,7 +1068,9 @@ Alignment required for a function entry point, in bits.
@end defmac
@defmac BIGGEST_ALIGNMENT
-Biggest alignment that any data type can require on this machine, in bits.
+Biggest alignment that any data type can require on this machine, in
+bits. Note that this is not the biggest alignment that is supported,
+just the biggest alignment that, when violated, may cause a fault.
@end defmac
@defmac MINIMUM_ATOMIC_ALIGNMENT