From Jie Zhang <jie.zhang@analog.com>

[pf3gnuchains/gcc-fork.git] / gcc / common.opt

diff --git a/gcc/common.opt b/gcc/common.opt
index f5a54c4..4a44cd6 100644 (file)
--- a/gcc/common.opt
+++ b/gcc/common.opt
@@ -112,14 +112,7 @@ Exit on the first error occurred
 
 Wframe-larger-than=
 Common RejectNegative Joined UInteger
--Wframe-larger-than=@var{len} Warn whenever a function's stack frame requires
-more than @var{len} bytes.  The computation done to determine
-the stack frame size is approximate and not conservative.
-The actual requirements may be somewhat greater than @var{len}
-even if you do not get a warning.  In addition, any space allocated
-via @code{alloca}, variable-length arrays, or related constructs
-is not included by the compiler when determining
-whether or not to issue a warning.
+-Wframe-larger-than=<number> Warn if a function's stack frame requires more than <number> bytes
 
 Winline
 Common Var(warn_inline) Warning
@@ -1148,8 +1141,8 @@ Common Report Var(flag_tree_reassoc) Init(1) Optimization
 Enable reassociation on tree level
 
 ftree-salias
-Common Report Var(flag_tree_salias) Optimization
-Perform structural alias analysis
+Common
+Does nothing.  Preserved for backward compatibility.
 
 ftree-sink
 Common Report Var(flag_tree_sink) Optimization