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Come up with Deprecated option flag.

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2018-06-12  Martin Liska  <mliska@suse.cz>

	* doc/options.texi: Document Deprecated option flag.
2018-06-12  Martin Liska  <mliska@suse.cz>

	* config/i386/i386.opt: Make MPX-related options as Deprecated.
	* opt-functions.awk: Handle Deprecated flag.
	* opts-common.c (decode_cmdline_option): Handle cl_deprecated
        and report error.
	(read_cmdline_option): Report warning for a deprecated option.
	* opts.h (struct cl_option): Add new field cl_deprecated.
	(CL_ERR_DEPRECATED): New.
2018-06-12  Martin Liska  <mliska@suse.cz>

	* c.opt: Make MPX-related options as Deprecated.
2018-06-12  Martin Liska  <mliska@suse.cz>

	* g++.dg/opt/mpx.C: New test.
	* gcc.target/i386/mpx.c: New test.

From-SVN: r261497
This commit is contained in:
Martin Liska 2018-06-12 16:21:10 +02:00 • committed by Martin Liska
parent 09d6928616
commit 3713f2e213
11 changed files with 72 additions and 23 deletions
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14
gcc/ChangeLog
View file

@ -1,3 +1,17 @@
2018-06-12 Martin Liska <mliska@suse.cz>
* config/i386/i386.opt: Make MPX-related options as Deprecated.
* opt-functions.awk: Handle Deprecated flag.
* opts-common.c (decode_cmdline_option): Handle cl_deprecated
and report error.
(read_cmdline_option): Report warning for a deprecated option.
* opts.h (struct cl_option): Add new field cl_deprecated.
(CL_ERR_DEPRECATED): New.
2018-06-12 Martin Liska <mliska@suse.cz>
* doc/options.texi: Document Deprecated option flag.
2018-06-12 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc-arch.h (arc_extras): New enum.

4
gcc/c-family/ChangeLog
View file

@ -1,3 +1,7 @@
2018-06-12 Martin Liska <mliska@suse.cz>
* c.opt: Make MPX-related options as Deprecated.
2018-06-08 David Malcolm <dmalcolm@redhat.com>
* c-pretty-print.c (c_pretty_printer::statement): Use TDF_NONE

42
gcc/c-family/c.opt
View file

@ -409,7 +409,7 @@ C ObjC C++ ObjC++ Var(warn_char_subscripts) Warning LangEnabledBy(C ObjC C++ Obj
Warn about subscripts whose type is \"char\".
Wchkp
C ObjC C++ ObjC++ Var(warn_chkp) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall)
C ObjC C++ ObjC++ Var(warn_chkp) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) Deprecated
Deprecated in GCC 9. This switch has no effect.
Wclobbered
@ -1259,86 +1259,86 @@ C ObjC C++ ObjC++
Where shorter, use canonicalized paths to systems headers.
fcheck-pointer-bounds
C ObjC C++ ObjC++ LTO Report Var(flag_check_pointer_bounds)
C ObjC C++ ObjC++ LTO Report Var(flag_check_pointer_bounds) Deprecated
Deprecated in GCC 9. This switch has no effect.
fchkp-check-incomplete-type
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_incomplete_type) Init(1)
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_incomplete_type) Init(1) Deprecated
Deprecated in GCC 9. This switch has no effect.
fchkp-zero-input-bounds-for-main
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_zero_input_bounds_for_main) Init(0)
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_zero_input_bounds_for_main) Init(0) Deprecated
Deprecated in GCC 9. This switch has no effect.
fchkp-first-field-has-own-bounds
C ObjC C++ ObjC++ LTO RejectNegative Report Var(flag_chkp_first_field_has_own_bounds)
C ObjC C++ ObjC++ LTO RejectNegative Report Var(flag_chkp_first_field_has_own_bounds) Deprecated
Deprecated in GCC 9. This switch has no effect.
fchkp-narrow-bounds
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_narrow_bounds) Init(1)
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_narrow_bounds) Init(1) Deprecated
Deprecated in GCC 9. This switch has no effect.
fchkp-narrow-to-innermost-array
C ObjC C++ ObjC++ LTO RejectNegative Report Var(flag_chkp_narrow_to_innermost_arrray)
C ObjC C++ ObjC++ LTO RejectNegative Report Var(flag_chkp_narrow_to_innermost_arrray) Deprecated
Deprecated in GCC 9. This switch has no effect.
fchkp-flexible-struct-trailing-arrays
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_flexible_struct_trailing_arrays)
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_flexible_struct_trailing_arrays) Deprecated
Deprecated in GCC 9. This switch has no effect.
fchkp-optimize
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_optimize) Init(-1)
fchkp-use-fast-string-functions
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_use_fast_string_functions) Init(0)
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_use_fast_string_functions) Init(0) Deprecated
Deprecated in GCC 9. This switch has no effect.
fchkp-use-nochk-string-functions
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_use_nochk_string_functions) Init(0)
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_use_nochk_string_functions) Init(0) Deprecated
Deprecated in GCC 9. This switch has no effect.
fchkp-use-static-bounds
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_use_static_bounds) Init(1)
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_use_static_bounds) Init(1) Deprecated
Deprecated in GCC 9. This switch has no effect.
fchkp-use-static-const-bounds
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_use_static_const_bounds) Init(-1)
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_use_static_const_bounds) Init(-1) Deprecated
Deprecated in GCC 9. This switch has no effect.
fchkp-treat-zero-dynamic-size-as-infinite
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_zero_dynamic_size_as_infinite) Init(0)
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_zero_dynamic_size_as_infinite) Init(0) Deprecated
Deprecated in GCC 9. This switch has no effect.
fchkp-check-read
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_check_read) Init(1)
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_check_read) Init(1) Deprecated
Deprecated in GCC 9. This switch has no effect.
fchkp-check-write
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_check_write) Init(1)
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_check_write) Init(1) Deprecated
Deprecated in GCC 9. This switch has no effect.
fchkp-store-bounds
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_store_bounds) Init(1)
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_store_bounds) Init(1) Deprecated
Deprecated in GCC 9. This switch has no effect.
fchkp-instrument-calls
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_instrument_calls) Init(1)
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_instrument_calls) Init(1) Deprecated
Deprecated in GCC 9. This switch has no effect.
fchkp-instrument-marked-only
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_instrument_marked_only) Init(0)
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_instrument_marked_only) Init(0) Deprecated
Deprecated in GCC 9. This switch has no effect.
fchkp-use-wrappers
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_use_wrappers) Init(1)
C ObjC C++ ObjC++ LTO Report Var(flag_chkp_use_wrappers) Init(1) Deprecated
Deprecated in GCC 9. This switch has no effect.
static-libmpx
Driver
Driver Deprecated
Deprecated in GCC 9. This switch has no effect.
static-libmpxwrappers
Driver
Driver Deprecated
Deprecated in GCC 9. This switch has no effect.
fcilkplus Undocumented

2
gcc/config/i386/i386.opt
View file

@ -951,7 +951,7 @@ Target Report Mask(ISA_RTM) Var(ix86_isa_flags) Save
Support RTM built-in functions and code generation.
mmpx
Target Report
Target Report Deprecated
Deprecated in GCC 9. This switch has no effect.
mmwaitx

4
gcc/doc/options.texi
View file

@ -280,6 +280,10 @@ The state of this option should be stored in variable @var{var}
(actually a macro for @code{global_options.x_@var{var}}).
The way that the state is stored depends on the type of option:
@item Deprecated
The option is deprecated and every usage of such option will
result in a warning.
@itemize @bullet
@item
If the option uses the @code{Mask} or @code{InverseMask} properties,

3
gcc/opt-functions.awk
View file

@ -136,7 +136,8 @@ function switch_bit_fields (flags)
flag_init("UInteger", flags) \
flag_init("Host_Wide_Int", hwi) \
flag_init("ToLower", flags) \
flag_init("Report", flags)
flag_init("Report", flags) \
flag_init("Deprecated", flags)
sub(", $", "", result)
return result

10
gcc/opts-common.c
View file

@ -667,6 +667,10 @@ decode_cmdline_option (const char **argv, unsigned int lang_mask,
if (!option_ok_for_language (option, lang_mask))
errors |= CL_ERR_WRONG_LANG;
/* Mark all deprecated options. */
if (option->cl_deprecated)
errors |= CL_ERR_DEPRECATED;
/* Convert the argument to lowercase if appropriate. */
if (arg && option->cl_tolower)
{
@ -1250,6 +1254,12 @@ read_cmdline_option (struct gcc_options *opts,
return;
}
if (decoded->errors & CL_ERR_DEPRECATED)
{
warning_at (loc, 0, "deprecated command line option %qs", opt);
return;
}
gcc_assert (!decoded->errors);
if (!handle_option (opts, opts_set, decoded, lang_mask, DK_UNSPECIFIED,

3
gcc/opts.h
View file

@ -100,6 +100,8 @@ struct cl_option
BOOL_BITFIELD cl_tolower : 1;
/* Report argument with -fverbose-asm */
BOOL_BITFIELD cl_report : 1;
/* Deprecated option */
BOOL_BITFIELD cl_deprecated: 1;
/* Offset of field for this option in struct gcc_options, or
(unsigned short) -1 if none. */
unsigned short flag_var_offset;
@ -209,6 +211,7 @@ extern const unsigned int cl_enums_count;
#define CL_ERR_NEGATIVE (1 << 6) /* Negative form of option
not permitted (together
with OPT_SPECIAL_unknown). */
#define CL_ERR_DEPRECATED (1 << 7) /* Deprecated option. */
/* Structure describing the result of decoding an option. */

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2018-06-12 Martin Liska <mliska@suse.cz>
* g++.dg/opt/mpx.C: New test.
* gcc.target/i386/mpx.c: New test.
2018-06-12 Claudiu Zissulescu <claziss@synopsys.com>
* gcc.target/arc/builtin_simdarc.c: Update test.

5
gcc/testsuite/g++.dg/opt/mpx.C Normal file
View file

@ -0,0 +1,5 @@
// { dg-do compile }
// { dg-options "-fcheck-pointer-bounds -fchkp-first-field-has-own-bounds" }
// { dg-warning "deprecated command line option .-fcheck-pointer-bounds." "" { target *-*-* } 0 }
// { dg-warning "deprecated command line option .-fchkp-first-field-has-own-bounds." "" { target *-*-* } 0 }

3
gcc/testsuite/gcc.target/i386/mpx.c Normal file
View file

@ -0,0 +1,3 @@
/* { dg-do compile } */
// { dg-options "-mmpx" }
// { dg-warning "deprecated command line option .-mmpx." "" { target *-*-* } 0 }