Configure: infnan for mixed-endian double-double

diff --git a/Configure b/Configure
index 18aa45f..32ed1ff 100755 (executable)
--- a/Configure
+++ b/Configure
@@ -20539,14 +20539,22 @@ else
        ;;
        esac
        ;;
-    5) # 128-bit LE "double double"
+    5) # 128-bit LE-LE "double double"
        longdblinfbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x7f'
        longdblnanbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x7f'
        ;;
-    6) # 128-bit BE "double double"
+    6) # 128-bit BE-BE "double double"
        longdblinfbytes='0x7f, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
        longdblnanbytes='0x7f, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
        ;;
+    7) # 128-bit LE-BE "double double"
+       longdblinfbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+       longdblnanbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+       ;;
+    8) # 128-bit BE-LE "double double"
+       longdblinfbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+       longdblnanbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+       ;;
     *) # No idea.
        longdblinfbytes=$undef
        longdblnanbytes=$undef
@@ -20605,7 +20613,7 @@ $cat >try.c <<EOP
  * and the top bit must have been one since 387, zero is plain invalid.
  * For normal fp values, the LDBL_MANT_DIG is fine, though. */
 #  define BITS LDBL_MANT_DIG
-# elif ($longdblkind == 5 || $longdblkind == 6) /* double double */
+# elif ($longdblkind == 5 || $longdblkind == 6 || $longdblkind == 7 || $longdblkind == 8) /* double double */
 /* LDBL_MANT_DIG of 106 (twice 53) would be logical, but for some
  * reason e.g. Irix thinks 107.  But in any case, we want only
  * the number of real bits, the implicit bits are of no interest.  */