* ira-conflicts.c: Use fputs or putc instead of fprintf

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

diff --git a/gcc/c.opt b/gcc/c.opt
index 5f07aea..5ee9a13 100644 (file)
--- a/gcc/c.opt
+++ b/gcc/c.opt
@@ -185,7 +185,7 @@ Warn when a declaration is found after a statement
 
 Wdeprecated
 C C++ ObjC ObjC++ Var(warn_deprecated) Init(1) Warning
-Warn about deprecated compiler features
+Warn if a deprecated compiler feature, class, method, or field is used
 
 Wdiv-by-zero
 C ObjC C++ ObjC++ Var(warn_div_by_zero) Init(1) Warning
@@ -204,7 +204,7 @@ C ObjC C++ ObjC++ Warning
 Warn about stray tokens after #elif and #endif
 
 Wenum-compare
-C++ ObjC++ Var(warn_enum_compare) Init(1) Warning
+C ObjC C++ ObjC++ Var(warn_enum_compare) Init(-1) Warning
 Warn about comparison of different enum types
 
 Werror
@@ -284,8 +284,16 @@ Winvalid-pch
 C ObjC C++ ObjC++ Warning
 Warn about PCH files that are found but not used
 
+Wjump-misses-init
+C Objc Var(warn_jump_misses_init) Init(-1) Warning
+Warn when a jump misses a variable initialization
+
+Wlogical-op
+C ObjC C++ ObjC++ Var(warn_logical_op) Init(0) Warning 
+Warn when a logical operator is suspiciously always evaluating to true or false
+
 Wlong-long
-C ObjC C++ ObjC++ Var(warn_long_long) Init(1) Warning
+C ObjC C++ ObjC++ Var(warn_long_long) Init(-1) Warning
 Do not warn about using \"long long\" when -pedantic
 
 Wmain
@@ -446,7 +454,7 @@ Deprecated.  This switch has no effect
 
 Wsystem-headers
 C ObjC C++ ObjC++ Warning
-Do not suppress warnings from system headers
+; Documented in common.opt
 
 Wtraditional
 C ObjC Var(warn_traditional) Warning
@@ -472,10 +480,18 @@ Wunknown-pragmas
 C ObjC C++ ObjC++ Warning
 Warn about unrecognized pragmas
 
+Wunsuffixed-float-constants
+C ObjC Var(warn_unsuffixed_float_constants) Warning
+Warn about unsuffixed float constants
+
 Wunused-macros
 C ObjC C++ ObjC++ Warning
 Warn about macros defined in the main file that are not used
 
+Wunused-result
+C ObjC C++ ObjC++ Var(warn_unused_result) Init(1) Warning
+Warn if a caller of a function, marked with attribute warn_unused_result, does not use its return value
+
 Wvariadic-macros
 C ObjC C++ ObjC++ Warning
 Do not warn about using variadic macros when -pedantic
@@ -691,7 +707,7 @@ Enable Objective-C setjmp exception handling runtime
 
 fopenmp
 C ObjC C++ ObjC++ Var(flag_openmp)
-Enable OpenMP
+Enable OpenMP (implies -frecursive in Fortran)
 
 foperator-names
 C++ ObjC++
@@ -716,6 +732,10 @@ fpreprocessed
 C ObjC C++ ObjC++
 Treat the input file as already preprocessed
 
+fpretty-templates
+C++ ObjC++
+-fno-pretty-templates Do not pretty-print template specializations as the template signature followed by the arguments
+
 freplace-objc-classes
 ObjC ObjC++
 Used in Fix-and-Continue mode to indicate that object files may be swapped in at runtime