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rs6000: Fix -mlong-double documentation
authorCarl Love <cel@us.ibm.com>
Thu, 5 Mar 2020 18:52:35 +0000 (12:52 -0600)
committerCarl Love <carll@us.ibm.com>
Mon, 9 Mar 2020 16:19:50 +0000 (11:19 -0500)
gcc/ChangeLog

2020-03-09  Carl Love  <cel@us.ibm.com>

* config/rs6000/rs6000.opt: Update the description of the
command line option.

gcc/config/rs6000/rs6000.opt patch | blob | history

diff --git a/gcc/config/rs6000/rs6000.opt b/gcc/config/rs6000/rs6000.opt
index ed3b44a..f95b827 100644 (file)
--- a/gcc/config/rs6000/rs6000.opt
+++ b/gcc/config/rs6000/rs6000.opt
@@ -414,7 +414,8 @@ Warn about deprecated 'vector long ...' AltiVec type usage.
 
 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
Domain: System / Toolchain;