; 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.
Common Var(warn_cast_align) Warning
Warn about pointer casts which increase alignment
+Wcpp
+Common Var(warn_cpp) Init(1) Warning
+Warn when a #warning directive is encountered
+
Wdeprecated-declarations
Common Var(warn_deprecated_decl) Init(1) Warning
Warn about uses of __attribute__((deprecated)) declarations
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
Warn when an inlined function cannot be inlined
Wlarger-than-
-Common RejectNegative Joined UInteger Warning
+Common RejectNegative Joined UInteger Warning Undocumented
Wlarger-than=
Common RejectNegative Joined UInteger 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
Enable all -Wunused- warnings
+Wunused-but-set-parameter
+Common Var(warn_unused_but_set_parameter) Init(-1) Warning
+Warn when a function parameter is only set, otherwise unused
+
+Wunused-but-set-variable
+Common Var(warn_unused_but_set_variable) Init(-1) Warning
+Warn when a variable is only set, otherwise unused
+
Wunused-function
Common Var(warn_unused_function) Init(-1) Warning
Warn when a function is unused
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
;
; 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.
falign-loops=
Common RejectNegative Joined UInteger
-; This flag is only tested if alias checking is enabled.
-; 0 if pointer arguments may alias each other. True in C.
-; 1 if pointer arguments may not alias each other but may alias
-; global variables.
-; 2 if pointer arguments may not alias each other and may not
-; alias global variables.
-; 3 if pointer arguments may not alias anything. True in Fortran.
-; Set by the front end.
fargument-alias
-Common Report Var(flag_argument_noalias,0) Optimization
-Specify that arguments may alias each other and globals
+Common
+Does nothing. Preserved for backward compatibility.
fargument-noalias
-Common Report Var(flag_argument_noalias,1) VarExists Optimization
-Assume arguments may alias globals but not each other
+Common
+Does nothing. Preserved for backward compatibility.
fargument-noalias-global
-Common Report Var(flag_argument_noalias,2) VarExists Optimization
-Assume arguments alias neither each other nor globals
+Common
+Does nothing. Preserved for backward compatibility.
fargument-noalias-anything
-Common Report Var(flag_argument_noalias,3) VarExists Optimization
-Assume arguments alias no other storage
+Common
+Does nothing. Preserved for backward compatibility.
fasynchronous-unwind-tables
Common Report Var(flag_asynchronous_unwind_tables) Optimization
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)
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
Common Report Var(flag_ira_coalesce) Init(0)
Do optimistic coalescing.
+fira-loop-pressure
+Common Report Var(flag_ira_loop_pressure)
+Use IRA based register pressure calculation
+in RTL loop optimizations.
+
fira-share-save-slots
Common Report Var(flag_ira_share_save_slots) Init(1)
Share slots for saving different hard 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
; 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
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
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
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
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