X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fcommon.opt;h=e4916e4c7b459a27da37b8774ec6302243a2f4ac;hb=922715fd70a4c052eeb69eff2a0a02b49610a2cf;hp=6d277eac86a486b409ada3bc7f996191daa07fdb;hpb=a95c077657ff5bbd71aff671b77294382009f182;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/common.opt b/gcc/common.opt index 6d277eac86a..e4916e4c7b4 100644 --- a/gcc/common.opt +++ b/gcc/common.opt @@ -18,7 +18,7 @@ ; along with GCC; see the file COPYING3. If not see ; . -; See the GCC internals manual for a description of this file's format. +; See the GCC internals manual (options.texi) for a description of this file's format. ; Please try to keep this file in ASCII collating order. @@ -251,6 +251,8 @@ 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. +; ; Additional positive integers will be assigned as new versions of ; the ABI become the default version of the ABI. fabi-version= @@ -399,6 +401,10 @@ fdbg-cnt= Common RejectNegative Joined -fdbg-cnt=:[,:,...] 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 @@ -450,7 +456,7 @@ 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) +Common Report Var(flag_emit_class_debug_always) Init(0) Do not suppress C++ class debug information. fexceptions @@ -476,11 +482,9 @@ ffloat-store Common Report Var(flag_float_store) Optimization Don't allocate floats and doubles in extended-precision registers -; Nonzero for -fforce-addr: load memory address into a register before -; reference to memory. This makes better cse but slower compilation. fforce-addr -Common Report Var(flag_force_addr) Optimization -Copy memory address constants into registers before use +Common +Does nothing. Preserved for backward compatibility. fforward-propagate Common Report Var(flag_forward_propagate) Optimization @@ -556,6 +560,10 @@ finline Common Report Var(flag_no_inline,0) Init(2) Pay attention to the \"inline\" keyword +finline-small-functions +Common Report Var(flag_inline_small_functions) Optimization +Integrate simple functions into their callers when code size is known to not growth + finline-functions Common Report Var(flag_inline_functions) Optimization Integrate simple functions into their callers @@ -608,6 +616,11 @@ Common Report Var(flag_ipa_matrix_reorg) Optimization Perform matrix layout flattening and transposing based on profiling information. +fipa-struct-reorg +Common Report Var(flag_ipa_struct_reorg) +Perform structure layout optimizations based +on profiling information. + fivopts Common Report Var(flag_ivopts) Init(1) Optimization Optimize induction variables on trees @@ -699,6 +712,10 @@ fomit-frame-pointer Common Report Var(flag_omit_frame_pointer) Optimization When possible do not generate stack frames +fopenmp-ssa +Common Report Var(flag_openmp_ssa) +Expand OpenMP operations on SSA form + foptimize-register-move Common Report Var(flag_regmove) Optimization Do the full register move optimization pass @@ -907,8 +924,8 @@ Common Report Var(flag_see) Init(0) Eliminate redundant sign extensions using LCM. fshow-column -Common C ObjC C++ ObjC++ Report Var(flag_show_column) Init(1) -Show column numbers in diagnostics, when available. Default on +Common C ObjC C++ ObjC++ Report Var(flag_show_column) Init(0) +Show column numbers in diagnostics, when available. Default off fsignaling-nans Common Report Var(flag_signaling_nans) Optimization @@ -1035,8 +1052,12 @@ Common Report Var(flag_tree_copy_prop) Optimization Enable copy propagation on trees ftree-store-copy-prop -Common Report Var(flag_tree_store_copy_prop) Optimization -Enable copy propagation for stores and loads +Common +Does nothing. Preserved for backward compatibility. + +ftree-cselim +Common Report Var(flag_tree_cselim) Init(2) Optimization +Transform condition stores into unconditional ones ftree-dce Common Report Var(flag_tree_dce) Optimization @@ -1070,6 +1091,10 @@ ftree-loop-optimize Common Report Var(flag_tree_loop_optimize) Init(1) Optimization Enable loop optimizations on tree level +ftree-parallelize-loops= +Common Report Joined UInteger Var(flag_tree_parallelize_loops) Init(1) +Enable automatic parallelization of loops + ftree-pre Common Report Var(flag_tree_pre) Optimization Enable SSA-PRE optimization on trees @@ -1121,6 +1146,15 @@ funsafe-loop-optimizations Common Report Var(flag_unsafe_loop_optimizations) Optimization Allow loop optimizations to assume that the loops behave in normal way +fassociative-math +Common Report Var(flag_associative_math) +Allow optimization for floating-point arithmetic which may change the +result of the operation due to rounding. + +freciprocal-math +Common Report Var(flag_reciprocal_math) +Same as -fassociative-math for expressions which include division. + ; Nonzero means that unsafe floating-point math optimizations are allowed ; for the sake of speed. IEEE compliance is not guaranteed, and operations ; are allowed to assume that their arguments and results are "normal" @@ -1264,4 +1298,12 @@ w Common Var(inhibit_warnings) Suppress warnings +shared +Common RejectNegative Negative(pie) +Create a shared library + +pie +Common RejectNegative Negative(shared) +Create a position independent executable + ; This comment is to ensure we retain the blank line above.