diff options
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 41 |
1 files changed, 2 insertions, 39 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index d9d81a98612..ab259225574 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -256,7 +256,6 @@ Objective-C and Objective-C++ Dialects}. -Wlogical-op -Wlong-long @gol -Wmain -Wmaybe-uninitialized -Wmissing-braces -Wmissing-field-initializers @gol -Wmissing-include-dirs @gol --Wno-mudflap @gol -Wno-multichar -Wnonnull -Wno-overflow @gol -Woverlength-strings -Wpacked -Wpacked-bitfield-compat -Wpadded @gol -Wparentheses -Wpedantic-ms-format -Wno-pedantic-ms-format @gol @@ -308,7 +307,7 @@ Objective-C and Objective-C++ Dialects}. -fdump-tree-ch @gol -fdump-tree-ssa@r{[}-@var{n}@r{]} -fdump-tree-pre@r{[}-@var{n}@r{]} @gol -fdump-tree-ccp@r{[}-@var{n}@r{]} -fdump-tree-dce@r{[}-@var{n}@r{]} @gol --fdump-tree-gimple@r{[}-raw@r{]} -fdump-tree-mudflap@r{[}-@var{n}@r{]} @gol +-fdump-tree-gimple@r{[}-raw@r{]} @gol -fdump-tree-dom@r{[}-@var{n}@r{]} @gol -fdump-tree-dse@r{[}-@var{n}@r{]} @gol -fdump-tree-phiprop@r{[}-@var{n}@r{]} @gol @@ -384,7 +383,7 @@ Objective-C and Objective-C++ Dialects}. -floop-parallelize-all -flto -flto-compression-level @gol -flto-partition=@var{alg} -flto-report -flto-report-wpa -fmerge-all-constants @gol -fmerge-constants -fmodulo-sched -fmodulo-sched-allow-regmoves @gol --fmove-loop-invariants fmudflap -fmudflapir -fmudflapth -fno-branch-count-reg @gol +-fmove-loop-invariants -fno-branch-count-reg @gol -fno-defer-pop -fno-function-cse -fno-guess-branch-probability @gol -fno-inline -fno-math-errno -fno-peephole -fno-peephole2 @gol -fno-sched-interblock -fno-sched-spec -fno-signed-zeros @gol @@ -4991,11 +4990,6 @@ This option is only supported for C and Objective-C@. It is implied by This option is only active when @option{-fstack-protector} is active. It warns about functions that are not protected against stack smashing. -@item -Wno-mudflap -@opindex Wno-mudflap -Suppress warnings about constructs that cannot be instrumented by -@option{-fmudflap}. - @item -Woverlength-strings @opindex Woverlength-strings @opindex Wno-overlength-strings @@ -6200,11 +6194,6 @@ by appending @file{.store_copyprop} to the source file name. Dump each function after dead code elimination. The file name is made by appending @file{.dce} to the source file name. -@item mudflap -@opindex fdump-tree-mudflap -Dump each function after adding mudflap instrumentation. The file name is -made by appending @file{.mudflap} to the source file name. - @item sra @opindex fdump-tree-sra Dump each function after performing scalar replacement of aggregates. The @@ -7071,32 +7060,6 @@ assumptions based on that. The default is @option{-fzero-initialized-in-bss}. -@item -fmudflap -fmudflapth -fmudflapir -@opindex fmudflap -@opindex fmudflapth -@opindex fmudflapir -@cindex bounds checking -@cindex mudflap -For front-ends that support it (C and C++), instrument all risky -pointer/array dereferencing operations, some standard library -string/heap functions, and some other associated constructs with -range/validity tests. Modules so instrumented should be immune to -buffer overflows, invalid heap use, and some other classes of C/C++ -programming errors. The instrumentation relies on a separate runtime -library (@file{libmudflap}), which is linked into a program if -@option{-fmudflap} is given at link time. Run-time behavior of the -instrumented program is controlled by the @env{MUDFLAP_OPTIONS} -environment variable. See @code{env MUDFLAP_OPTIONS=-help a.out} -for its options. - -Use @option{-fmudflapth} instead of @option{-fmudflap} to compile and to -link if your program is multi-threaded. Use @option{-fmudflapir}, in -addition to @option{-fmudflap} or @option{-fmudflapth}, if -instrumentation should ignore pointer reads. This produces less -instrumentation (and therefore faster execution) and still provides -some protection against outright memory corrupting writes, but allows -erroneously read data to propagate within a program. - @item -fthread-jumps @opindex fthread-jumps Perform optimizations that check to see if a jump branches to a |