* configure.ac: Delete config.cache files in sub-directories when

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

diff --git a/gcc/common.opt b/gcc/common.opt
index b57234a..3318258 100644 (file)
--- a/gcc/common.opt
+++ b/gcc/common.opt
@@ -1,6 +1,6 @@
 ; Options for the language- and target-independent parts of the compiler.
 
-; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009
+; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
 ; Free Software Foundation, Inc.
 ;
 ; This file is part of GCC.
@@ -115,7 +115,7 @@ Exit on the first error occurred
 
 Wframe-larger-than=
 Common RejectNegative Joined UInteger
--Wframe-larger-than=<number> Warn if a function's stack frame requires more than <number> bytes
+-Wframe-larger-than=<number>   Warn if a function's stack frame requires more than <number> bytes
 
 Winline
 Common Var(warn_inline) Warning
@@ -201,8 +201,8 @@ Common Var(warn_uninitialized) Init(-1) Warning
 Warn about uninitialized automatic variables
 
 Wunreachable-code
-Common Var(warn_notreached) Warning
-Warn about code that will never be executed
+Common
+Does nothing. Preserved for backward compatibility.
 
 Wunused
 Common Var(warn_unused) Init(0) Warning
@@ -253,6 +253,10 @@ dumpbase
 Common Separate
 -dumpbase <file>       Set the file basename to be used for dumps
 
+dumpdir
+Common Separate
+-dumpdir <dir>         Set the directory name to be used for dumps
+
 ; The version of the C++ ABI in use.  The following values are allowed:
 ;
 ; 0: The version of the ABI believed most conformant with the C++ ABI
@@ -262,7 +266,13 @@ Common Separate
 ;
 ; 1: The version of the ABI first used in G++ 3.2.
 ;
-; 2: The version of the ABI first used in G++ 3.4.
+; 2: The version of the ABI first used in G++ 3.4 (and current default).
+;
+; 3: The version of the ABI that fixes the missing underscore
+;    in template non-type arguments of pointer type.
+;
+; 4: The version of the ABI that introduces unambiguous mangling of
+;    vector types.
 ;
 ; Additional positive integers will be assigned as new versions of
 ; the ABI become the default version of the ABI.
@@ -382,7 +392,7 @@ Do not put uninitialized globals in the common section
 
 fcompare-debug=
 Common JoinedOrMissing RejectNegative Var(flag_compare_debug_opt)
--fcompare-debug[=<opts>] Compile with and without e.g. -gtoggle, and compare the final-insns dump
+-fcompare-debug[=<opts>]       Compile with and without e.g. -gtoggle, and compare the final-insns dump
 
 fcompare-debug-second
 Common RejectNegative Var(flag_compare_debug)
@@ -426,7 +436,7 @@ List all available debugging counters with their limits and counts.
 
 fdbg-cnt=
 Common RejectNegative Joined
--fdbg-cnt=<counter>:<limit>[,<counter>:<limit>,...]    Set the debug counter limit.   
+-fdbg-cnt=<counter>:<limit>[,<counter>:<limit>,...]    Set the debug counter limit.   
 
 fdebug-prefix-map=
 Common Joined RejectNegative
@@ -732,7 +742,7 @@ Share stack slots for spilled pseudo-registers.
 
 fira-verbose=
 Common RejectNegative Joined UInteger
--fira-verbose=<number> Control IRA's level of diagnostic messages.
+-fira-verbose=<number> Control IRA's level of diagnostic messages.
 
 fivopts
 Common Report Var(flag_ivopts) Init(1) Optimization
@@ -765,7 +775,7 @@ Enable link-time optimization.
 ; The initial value of -1 comes from Z_DEFAULT_COMPRESSION in zlib.h.
 flto-compression-level=
 Common Joined UInteger Var(flag_lto_compression_level) Init(-1)
--flto-compression-level=<number> Use zlib compression level <number> for IL
+-flto-compression-level=<number>       Use zlib compression level <number> for IL
 
 flto-report
 Common Report Var(flag_lto_report) Init(0) Optimization
@@ -904,7 +914,7 @@ Specify a plugin to load
 
 fplugin-arg-
 Common Joined RejectNegative
--fplugin-arg-<name>-<key>[=<value>] Specify argument <key>=<value> for plugin <name>
+-fplugin-arg-<name>-<key>[=<value>]    Specify argument <key>=<value> for plugin <name>
 
 fpredictive-commoning
 Common Report Var(flag_predictive_commoning) Optimization
@@ -1033,8 +1043,8 @@ Common Report Var(flag_sched2_use_superblocks) Optimization
 If scheduling post reload, do superblock scheduling
 
 fsched2-use-traces
-Common Report Var(flag_sched2_use_traces) Optimization
-If scheduling post reload, do trace scheduling
+Common
+Does nothing.  Preserved for backward compatibility.
 
 fschedule-insns
 Common Report Var(flag_schedule_insns) Optimization
@@ -1391,6 +1401,9 @@ funwind-tables
 Common Report Var(flag_unwind_tables) Optimization
 Just generate unwind tables for exception handling
 
+fuse-linker-plugin
+Common Undocumented
+
 fvar-tracking
 Common Report Var(flag_var_tracking) VarExists Optimization
 Perform variable tracking