X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fcommon.opt;h=2d8a1979bb38be92cea668125822196f220fadc7;hb=c6a0599243068b33768268296b067d0fce5feec9;hp=dd3deb386a3a9d851ab81a978f93d4acab554d53;hpb=87c75316828e972767fe35aac2eebd58847831a9;p=pf3gnuchains%2Fgcc-fork.git
diff --git a/gcc/common.opt b/gcc/common.opt
index dd3deb386a3..2d8a1979bb3 100644
--- a/gcc/common.opt
+++ b/gcc/common.opt
@@ -6,7 +6,7 @@
;
; 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
@@ -15,9 +15,8 @@
; 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
+; .
; See the GCC internals manual for a description of this file's format.
@@ -74,12 +73,8 @@ Waggregate-return
Common Var(warn_aggregate_return) Warning
Warn about returning structures, unions or arrays
-Walways-true
-Common Var(warn_always_true) Warning
-Warn about comparisons that always evaluate to true
-
Warray-bounds
-Common Var(warn_array_bounds)
+Common Var(warn_array_bounds) Warning
Warn if an array is accessed out of bounds
Wattributes
@@ -122,6 +117,10 @@ Wlarger-than-
Common RejectNegative Joined UInteger Warning
-Wlarger-than- Warn if an object is larger than 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.
@@ -158,9 +157,13 @@ Wstrict-aliasing=
Common Joined UInteger Warning
Warn about code which might break strict aliasing rules
-Wstring-literal-comparison
-Common Var(warn_string_literal_comparison) Warning
-Warn about comparisons to constant string literals
+Wstrict-overflow
+Common Warning
+Warn about optimizations that assume that signed overflow is undefined
+
+Wstrict-overflow=
+Common Joined UInteger Warning
+Warn about optimizations that assume that signed overflow is undefined
Wswitch
Common Var(warn_switch) Warning
@@ -215,7 +218,7 @@ Common Var(warn_register_var) Warning
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
@@ -309,6 +312,10 @@ fasynchronous-unwind-tables
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.
@@ -352,6 +359,10 @@ fcaller-saves
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
@@ -380,6 +391,14 @@ fdata-sections
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=:[,:,...] Set the debug counter limit.
+
; 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
@@ -463,8 +482,8 @@ fforce-addr
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.
@@ -576,6 +595,11 @@ fipa-type-escape
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
@@ -643,6 +667,14 @@ fmudflapir
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
@@ -711,6 +743,10 @@ fpie
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
@@ -867,7 +903,7 @@ Common Report Var(flag_signaling_nans) Optimization
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
@@ -879,7 +915,7 @@ Common Report Var(flag_split_ivs_in_unroller) Init(1) Optimization
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
@@ -1026,6 +1062,10 @@ ftree-pre
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
@@ -1089,10 +1129,18 @@ fvar-tracking
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
@@ -1102,7 +1150,7 @@ Common RejectNegative Joined
-ftree-vectorizer-verbose= 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