Implement -Wno-maybe-uninitialized

[pf3gnuchains/gcc-fork.git] / gcc / common.opt

diff --git a/gcc/common.opt b/gcc/common.opt
index 1f24a3a..ebc2ba7 100644 (file)
--- a/gcc/common.opt
+++ b/gcc/common.opt
@@ -32,6 +32,11 @@ int optimize
 Variable
 int optimize_size
 
+; Not used directly to control optimizations, only to save -Ofast
+; setting for "optimize" attributes.
+Variable
+int optimize_fast
+
 ; 0 means straightforward implementation of complex divide acceptable.
 ; 1 means wide ranges of inputs must work for complex divide.
 ; 2 means C99-like requirements for complex multiply and divide.
@@ -451,12 +456,21 @@ Driver Joined Separate
 Tbss
 Driver Separate
 
+Tbss=
+Driver Joined
+
 Tdata
 Driver Separate
 
+Tdata=
+Driver Joined
+
 Ttext
 Driver Separate
 
+Ttext=
+Driver Joined
+
 W
 Common RejectNegative Warning Alias(Wextra)
 This switch is deprecated; use -Wextra instead
@@ -617,6 +631,10 @@ Wuninitialized
 Common Var(warn_uninitialized) Init(-1) Warning
 Warn about uninitialized automatic variables
 
+Wmaybe-uninitialized
+Common Var(warn_maybe_uninitialized) Warning
+Warn about maybe uninitialized automatic variables
+
 Wunreachable-code
 Common Ignore
 Does nothing. Preserved for backward compatibility.
@@ -734,7 +752,12 @@ Driver Undocumented
 ;    in template non-type arguments of pointer type.
 ;
 ; 4: The version of the ABI that introduces unambiguous mangling of
-;    vector types.
+;    vector types.  First selectable in G++ 4.5.
+;
+; 5: The version of the ABI that ignores attribute const/noreturn
+;    in function pointer mangling, and corrects mangling of decltype and
+;    function parameters used in other parameters and the return type.
+;    First selectable in G++ 4.6.
 ;
 ; Additional positive integers will be assigned as new versions of
 ; the ABI become the default version of the ABI.
@@ -908,6 +931,10 @@ fdebug-prefix-map=
 Common Joined RejectNegative Var(common_deferred_options) Defer
 Map one directory name to another in debug information
 
+fdebug-types-section
+Common Report Var(flag_debug_types_section) Init(1)
+Output .debug_types section when using DWARF v4 debuginfo.
+
 ; 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
@@ -1002,10 +1029,6 @@ femit-class-debug-always
 Common Report Var(flag_emit_class_debug_always) Init(0)
 Do not suppress C++ class debug information.
 
-fenable-icf-debug
-Common Report Var(flag_enable_icf_debug)
-Generate debug information to support Identical Code Folding (ICF)
-
 fexceptions
 Common Report Var(flag_exceptions) Optimization
 Enable exception handling
@@ -1243,9 +1266,8 @@ 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.
+Common Ignore
+Does nothing. Preserved for backward compatibility.
 
 fira-algorithm=
 Common Joined RejectNegative Enum(ira_algorithm) Var(flag_ira_algorithm) Init(IRA_ALGORITHM_CB)