re PR c/761 (Undocumented options, part 1)

	PR c/761
	* toplev.c (flag_unsafe_profile_arcs): Remove.
	(flag_bounded_pointers): Remove.
	(flag_bounds_check): Correct comments.
	(lang_independent_options): Remove -funsafe-profile-arcs and
	-fbounded-pointers.  Correct -fbounds-check comments.

	* flags.h: Correct flag_schedule_interblock comments.
	(flag_bounded_pointers): Remove prototype.
	(flag_bounds_check): Correct comments.

	* c-opts.c (c_common_init_options): No need to mark
	flag_bounds_check as unspecified.
	(c_common_post_options): And no need to set it from
	flag_bounded_pointers if its still unspecified.

	* doc/invoke.texi: Fix some overfull hboxes in "make dvi".
	Document --version, -feliminate-dwarf-2-dups, -fno-sched-interblock,
	-fno-sched-spec, -fsched-spec-load, -fsched-spec-load-dangerous,
	-fsched-verbose=n, -fno-branch-count-reg and -fbounds-check.

From-SVN: r58334

1 files changed, 3 insertions, 21 deletions

diff --git a/gcc/toplev.c b/gcc/toplev.c
index 21738982597..815450e0045 100644
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -375,11 +375,6 @@ int profile_flag = 0;
 
 int profile_arc_flag = 0;
 
-/* Nonzero if we should not attempt to generate thread-safe
-   code to profile program flow graph arcs.  */
-
-int flag_unsafe_profile_arcs = 0;
-
 /* Nonzero if generating info for gcov to calculate line test coverage.  */
 
 int flag_test_coverage = 0;
@@ -863,19 +858,10 @@ int flag_peephole2 = 0;
 /* This will try to guess branch probabilities.  */
 int flag_guess_branch_prob = 0;
 
-/* -fbounded-pointers causes gcc to compile pointers as composite
-   objects occupying three words: the pointer value, the base address
-   of the referent object, and the address immediately beyond the end
-   of the referent object.  The base and extent allow us to perform
-   runtime bounds checking.  -fbounded-pointers implies -fcheck-bounds.  */
-int flag_bounded_pointers = 0;
-
 /* -fcheck-bounds causes gcc to generate array bounds checks.
-   For C, C++: defaults to value of flag_bounded_pointers.
-   For ObjC: defaults to off.
+   For C, C++, ObjC: defaults to off.
    For Java: defaults to on.
-   For Fortran: defaults to off.
-   For CHILL: defaults to off.  */
+   For Fortran: defaults to off.  */
 int flag_bounds_check = 0;
 
 /* This will attempt to merge constant section constants, if 1 only
@@ -1104,8 +1090,6 @@ static const lang_independent_options f_options[] =
    N_("Support synchronous non-call exceptions") },
   {"profile-arcs", &profile_arc_flag, 1,
    N_("Insert arc based program profiling code") },
-  {"unsafe-profile-arcs", &flag_unsafe_profile_arcs, 1,
-   N_("Avoid thread safety profiling overhead") },
   {"test-coverage", &flag_test_coverage, 1,
    N_("Create data files needed by gcov") },
   {"branch-probabilities", &flag_branch_probabilities, 1,
@@ -1190,10 +1174,8 @@ static const lang_independent_options f_options[] =
    N_("Allow math optimizations that may violate IEEE or ANSI standards") },
   {"signaling-nans", &flag_signaling_nans, 1,
    N_("Disable optimizations observable by IEEE signaling NaNs") },
-  {"bounded-pointers", &flag_bounded_pointers, 1,
-   N_("Compile pointers as triples: value, base & end") },
   {"bounds-check", &flag_bounds_check, 1,
-   N_("Generate code to check bounds before dereferencing pointers and arrays") },
+   N_("Generate code to check bounds before indexing arrays") },
   {"single-precision-constant", &flag_single_precision_constant, 1,
    N_("Convert floating point constant to single precision constant") },
   {"time-report", &time_report, 1,