Add some explanation for last change.

From-SVN: r52531

Add some explanation for last change.
From-SVN: r52531
9f92d250 · Andreas Schwab · 704c9a14 · 9f92d250
Commit 9f92d250 authored Apr 19, 2002 by Andreas Schwab
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gcc/real.c
+4 -1

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--- a/gcc/real.c
+++ b/gcc/real.c
@@ -209,7 +209,10 @@ typedef unsigned int UHItype __attribute__ ((mode (HI)));
 #endif

 /* Calculate the size of the generic "e" type.  This always has
-   identical in-memory size to REAL_VALUE_TYPE.
+   identical in-memory size to REAL_VALUE_TYPE.  The sizes are supposed
+   to be the same as well, but when REAL_VALUE_TYPE_SIZE is not evenly
+   divisible by HOST_BITS_PER_WIDE_INT we have some padding in
+   REAL_VALUE_TYPE.
   There are only two supported sizes: ten and six 16-bit words (160
   or 96 bits).  */