; Options for the language- and target-independent parts of the compiler.
-; Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
+; Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
;
; This file is part of GCC.
;
Common Var(warn_aggregate_return)
Warn about returning structures, unions or arrays
+Walways-true
+Common Var(warn_always_true)
+Warn about comparisons that always evaluate to true
+
Wattributes
Common Var(warn_attributes) Init(1)
Warn about inappropriate attribute usage
Common Var(warnings_are_errors)
Treat all warnings as errors
+Werror=
+Common Joined
+Treat specified warning as error
+
Wextra
Common
Print extra (possibly unwanted) warnings
Common Joined UInteger
Warn about code which might break strict aliasing rules
+Wstring-literal-comparison
+Common Var(warn_string_literal_comparison)
+Warn about comparisons to constant string literals
+
Wswitch
Common Var(warn_switch)
Warn about enumerated switches, with no default, missing a case
Common Var(warn_unused_variable)
Warn when a variable is unused
+Wvolatile-register-var
+Common Var(warn_register_var)
+Warn when a register variable is declared volatile
+
aux-info
Common Separate
-aux-info <file> Emit declaration information into <file>
; 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. True in Fortran.
+; 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)
Specify that arguments may alias each other and globals
Common Report Var(flag_argument_noalias,2) VarExists
Assume arguments alias neither each other nor globals
+fargument-noalias-anything
+Common Report Var(flag_argument_noalias,3) VarExists
+Assume arguments alias no other storage
+
fasynchronous-unwind-tables
Common Report Var(flag_asynchronous_unwind_tables)
Generate unwind tables that are exact at each instruction boundary
Common Report Var(flag_dump_unnumbered) VarExists
Suppress output of instruction numbers and line number notes in debugging dumps
+fearly-inlining
+Common Report Var(flag_early_inlining) Init(1)
+Perform early inlining
+
feliminate-dwarf2-dups
Common Report Var(flag_eliminate_dwarf2_dups)
Perform DWARF2 duplicate elimination
Common Report Var(flag_eliminate_unused_debug_types) Init(1)
Perform unused type elimination in debug info
+femit-class-debug-always
+Common Report Var(flag_emit_class_debug_always) Init(1)
+Do not suppress C++ class debug information.
+
fexceptions
Common Report Var(flag_exceptions)
Enable exception handling
Common Report Var(flag_force_mem)
Copy memory operands into registers before use
-fforward-propagate
-Common Report Var(flag_forward_propagate)
-Perform a forward propagation pass on RTL
-
; Nonzero means don't put addresses of constant functions in registers.
; Used for compiling the Unix kernel, where strange substitutions are
; done on the assembly output.
elimination
fgcse-after-reload
-Common Report Var(flag_gcse_after_reload) Init(2)
+Common Report Var(flag_gcse_after_reload)
Perform global common subexpression elimination after register allocation
has finished
Common Report Var(flag_inline_functions)
Integrate simple functions into their callers
-fearly-inlining
-Common Report Var(flag_early_inlining) Init(1)
-Perform early inlining
+finline-functions-called-once
+Common Report Var(flag_inline_functions_called_once) Init(1)
+Integrate functions called once into their callers
finline-limit-
Common RejectNegative Joined UInteger
Common Report Var(flag_instrument_function_entry_exit)
Instrument function entry and exit with profiling calls
+fipa-cp
+Common Report Var(flag_ipa_cp)
+Perform Interprocedural constant propagation
+
fipa-pure-const
Common Report Var(flag_ipa_pure_const) Init(0)
Discover pure and const functions
+fipa-pta
+Common Report Var(flag_ipa_pta) Init(0)
+Perform interprocedural points-to analysis
+
fipa-reference
Common Report Var(flag_ipa_reference) Init(0)
Discover readonly and non addressable static variables
Give external symbols a leading underscore
floop-optimize
-Common Report Var(flag_loop_optimize)
-Perform loop optimizations
-
-floop-optimize2
-Common Report Var(flag_loop_optimize2)
-Perform loop optimizations using the new loop optimizer
+Common
+Does nothing. Preserved for backward compatibility.
fmath-errno
Common Report Var(flag_errno_math) Init(1)
Perform SMS based modulo scheduling before the first scheduling pass
fmove-loop-invariants
-Common Report Var(flag_move_loop_invariants)
+Common Report Var(flag_move_loop_invariants) Init(1)
Move loop invariant computations out of loops
fmudflap
Reorder functions to improve code placement
frerun-cse-after-loop
-Common Report Var(flag_rerun_cse_after_loop)
+Common Report Var(flag_rerun_cse_after_loop) Init(2)
Add a common subexpression elimination pass after loop optimizations
frerun-loop-opt
-Common Report Var(flag_rerun_loop_opt)
-Run the loop optimizer twice
+Common
+Does nothing. Preserved for backward compatibility.
frounding-math
Common Report Var(flag_rounding_math)
Common RejectNegative Joined UInteger
-fsched-stalled-insns-dep=<number> Set dependence distance checking in premature scheduling of queued insns
-fshared-data
-Common Report Var(flag_shared_data)
-Mark data as shared rather than private
+fsection-anchors
+Common Report Var(flag_section_anchors)
+Access data in the same section from shared anchor points
+
+frtl-abstract-sequences
+Common Report Var(flag_rtl_seqabstr)
+Perform sequence abstraction optimization on RTL
fshow-column
Common C ObjC C++ ObjC++ Report Var(flag_show_column) Init(1)
Common Report Var(flag_single_precision_constant)
Convert floating point constants to single precision constants
-fspeculative-prefetching
-Common Report Var(flag_speculative_prefetching)
-Use value profiling for speculative prefetching
-
fsplit-ivs-in-unroller
Common Report Var(flag_split_ivs_in_unroller) Init(1)
Split lifetimes of induction variables when loops are unrolled
Use a stack protection method for every function
fstrength-reduce
-Common Report Var(flag_strength_reduce)
-Perform strength reduction optimizations
+Common
+Does nothing. Preserved for backward compatibility.
; Nonzero if we should do (language-dependent) alias analysis.
; Typically, this analysis will assume that expressions of certain
Common Joined RejectNegative
-ftls-model=[global-dynamic|local-dynamic|initial-exec|local-exec] Set the default thread-local storage code generation model
+ftoplevel-reorder
+Common Report Var(flag_toplevel_reorder) Init(1)
+Reorder top level functions, variables, and asms
+
ftracer
Common Report Var(flag_tracer)
Perform superblock formation via tail duplication
Common Report Var(flag_trapv)
Trap for signed overflow in addition, subtraction and multiplication
-ftree-based-profiling
-Common Report Var(flag_tree_based_profiling)
-Use tree-ssa based implementation of profiling
-
ftree-ccp
Common Report Var(flag_tree_ccp)
Enable SSA-CCP optimization on trees
Common Report Var(flag_tree_vectorize)
Enable loop vectorization on trees
+ftree-vect-loop-version
+Common Report Var(flag_tree_vect_loop_version) Init(1)
+Enable loop versioning when doing loop vectorization on trees
+
ftree-vectorizer-verbose=
Common RejectNegative Joined
-ftree-vectorizer-verbose=<number> Set the verbosity level of the vectorizer
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