;
; GCC is free software; you can redistribute it and/or modify it under
; the terms of the GNU General Public License as published by the Free
-; Software Foundation; either version 2, or (at your option) any later
+; Software Foundation; either version 3, or (at your option) any later
; version.
;
; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
; for more details.
;
; You should have received a copy of the GNU General Public License
-; along with GCC; see the file COPYING. If not, write to the Free
-; Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-; 02110-1301, USA.
+; along with GCC; see the file COPYING3. If not see
+; <http://www.gnu.org/licenses/>.
; See the GCC internals manual for a description of this file's format.
Warn about returning structures, unions or arrays
Warray-bounds
-Common Var(warn_array_bounds)
+Common Var(warn_array_bounds) Warning
Warn if an array is accessed out of bounds
Wattributes
Common RejectNegative Joined UInteger Warning
-Wlarger-than-<number> Warn if an object is larger than <number> bytes
+Wlogical-op
+Common Warning Var(warn_logical_op)
+Warn when a logical operator is suspicously always evaluating to true or false
+
Wunsafe-loop-optimizations
Common Var(warn_unsafe_loop_optimizations) Warning
Warn if the loop cannot be optimized due to nontrivial assumptions.
Warn about code which might break strict aliasing rules
Wstrict-overflow
-Common
+Common Warning
Warn about optimizations that assume that signed overflow is undefined
Wstrict-overflow=
-Common Joined UInteger
+Common Joined UInteger Warning
Warn about optimizations that assume that signed overflow is undefined
Wswitch
Warn when a register variable is declared volatile
Wcoverage-mismatch
-Common RejectNegative Var(warn_coverage_mismatch)
+Common RejectNegative Var(warn_coverage_mismatch) Warning
Warn instead of error in case profiles in -fprofile-use do not match
aux-info
Common Report Var(flag_asynchronous_unwind_tables) Optimization
Generate unwind tables that are exact at each instruction boundary
+fauto-inc-dec
+Common Report Var(flag_auto_inc_dec) Init(1)
+Generate auto-inc/dec instructions
+
; -fcheck-bounds causes gcc to generate array bounds checks.
; For C, C++ and ObjC: defaults off.
; For Java: defaults to on.
Common Report Var(flag_caller_saves) Optimization
Save registers around function calls
+fcheck-data-deps
+Common Report Var(flag_check_data_deps)
+Compare the results of several data dependence analyzers.
+
fcommon
Common Report Var(flag_no_common,0) Optimization
Do not put uninitialized globals in the common section
Common Report Var(flag_data_sections) Optimization
Place data items into their own section
+fdbg-cnt-list
+Common Report
+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.
+
+fdebug-prefix-map=
+Common Joined RejectNegative
+Map one directory name to another in debug information
+
; Nonzero for -fdefer-pop: don't pop args after each function call
; instead save them up to pop many calls' args with one insns.
fdefer-pop
Common Report Var(flag_force_addr) Optimization
Copy memory address constants into registers before use
-fforward-propagate Optimization
-Common Report Var(flag_forward_propagate)
+fforward-propagate
+Common Report Var(flag_forward_propagate) Optimization
Perform a forward propagation pass on RTL
; Nonzero means don't put addresses of constant functions in registers.
Common Report Var(flag_instrument_function_entry_exit)
Instrument function entry and exit with profiling calls
+finstrument-functions-exclude-function-list=
+Common RejectNegative Joined
+-finstrument-functions-exclude-function-list=name,... Do not instrument listed functions
+
+finstrument-functions-exclude-file-list=
+Common RejectNegative Joined
+-finstrument-functions-exclude-file-list=filename,... Do not instrument functions listed in files
+
fipa-cp
Common Report Var(flag_ipa_cp) Optimization
Perform Interprocedural constant propagation
Common Report Var(flag_ipa_type_escape) Init(0) Optimization
Type based escape and alias analysis
+fipa-matrix-reorg
+Common Report Var(flag_ipa_matrix_reorg) Optimization
+Perform matrix layout flattening and transposing based
+on profiling information.
+
fivopts
Common Report Var(flag_ivopts) Init(1) Optimization
Optimize induction variables on trees
Common Report Var(flag_modulo_sched) Optimization
Perform SMS based modulo scheduling before the first scheduling pass
+fmodulo-sched-allow-regmoves
+Common Report Var(flag_modulo_sched_allow_regmoves)
+Perform SMS based modulo scheduling with register moves allowed
+
fmove-loop-invariants
Common Report Var(flag_move_loop_invariants) Init(1) Optimization
Move loop invariant computations out of loops
Common RejectNegative Report Var(flag_mudflap_ignore_reads)
Ignore read operations when inserting mudflap instrumentation
+fdce
+Common Var(flag_dce) Init(1) Optimization
+Use the RTL dead code elimination pass
+
+fdse
+Common Var(flag_dse) Init(1) Optimization
+Use the RTL dead store elimination pass
+
freschedule-modulo-scheduled-loops
Common Report Var(flag_resched_modulo_sched) Optimization
Enable/Disable the traditional scheduling in loops that already passed modulo scheduling
Common Report Var(flag_pie,1) VarExists
Generate position-independent code for executables if possible (small mode)
+fpredictive-commoning
+Common Report Var(flag_predictive_commoning) Optimization
+Run predictive commoning optimization.
+
fprefetch-loop-arrays
Common Report Var(flag_prefetch_loop_arrays) Optimization
Generate prefetch instructions, if available, for arrays in loops
Disable optimizations observable by IEEE signaling NaNs
fsigned-zeros
-Common Report Var(flag_signed_zeros) Init(1)
+Common Report Var(flag_signed_zeros) Init(1) Optimization
Disable floating point optimizations that ignore the IEEE signedness of zero
fsingle-precision-constant
Split lifetimes of induction variables when loops are unrolled
fsplit-wide-types
-Common Report Var(flag_split_wide_types)
+Common Report Var(flag_split_wide_types) Optimization
Split wide types into independent registers
fvariable-expansion-in-unroller
Common Report Var(flag_tree_pre) Optimization
Enable SSA-PRE optimization on trees
+ftree-reassoc
+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 Report Var(flag_var_tracking) VarExists Optimization
Perform variable tracking
+fvar-tracking-uninit
+Common Report Var(flag_var_tracking_uninit) Optimization
+Perform variable tracking and also tag variables that are uninitialized
+
ftree-vectorize
Common Report Var(flag_tree_vectorize) Optimization
Enable loop vectorization on trees
+fvect-cost-model
+Common Report Var(flag_vect_cost_model) Optimization
+Enable use of cost model in vectorization
+
ftree-vect-loop-version
Common Report Var(flag_tree_vect_loop_version) Init(1) Optimization
Enable loop versioning when doing loop vectorization on trees
-ftree-vectorizer-verbose=<number> Set the verbosity level of the vectorizer
ftree-scev-cprop
-Common Report Var(flag_tree_scev_cprop) Init(1)
+Common Report Var(flag_tree_scev_cprop) Init(1) Optimization
Enable copy propagation of scalar-evolution information.
; -fverbose-asm causes extra commentary information to be produced in
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