gcc/ChangeLog
2020-03-09 Carl Love <cel@us.ibm.com>
* config/rs6000/rs6000.opt: Update the description of the
command line option.
mlong-double-
Target RejectNegative Joined UInteger Var(rs6000_long_double_type_size) Save
--mlong-double-[64,128] Specify size of long double.
+Use -mlong-double-64 for 64-bit IEEE floating point format. Use
+-mlong-double-128 for 128-bit floating point format (either IEEE or IBM).
; This option existed in the past, but now is always on.
mlra