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opts.h (CL_ERR_NEGATIVE): Define. 

* opts.h (CL_ERR_NEGATIVE): Define.
	* opts.c (unknown_option_callback): Don't postpone warnings for
	options marked with CL_ERR_NEGATIVE.
	* opts-common.c (decode_cmdline_option): Set CL_ERR_NEGATIVE error
	for negative versions of CL_REJECT_NEGATIVE options.

testsuite:
	* gcc.dg/opts-1.c: Expect errors, not warnings.

From-SVN: r163637
This commit is contained in:
Joseph Myers 2010-08-30 11:30:57 +01:00 committed by Joseph Myers
parent 9552aca786
commit 184eb658fe
6 changed files with 20 additions and 3 deletions
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8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
2010-08-30 Joseph Myers <joseph@codesourcery.com>
* opts.h (CL_ERR_NEGATIVE): Define.
* opts.c (unknown_option_callback): Don't postpone warnings for
options marked with CL_ERR_NEGATIVE.
* opts-common.c (decode_cmdline_option): Set CL_ERR_NEGATIVE error
for negative versions of CL_REJECT_NEGATIVE options.
2010-08-30 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (zero_extendsidi2_1): Rename from

1
gcc/opts-common.c
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@ -197,6 +197,7 @@ decode_cmdline_option (const char **argv, unsigned int lang_mask,
if (!value && (option->flags & CL_REJECT_NEGATIVE))
{
opt_index = OPT_SPECIAL_unknown;
errors |= CL_ERR_NEGATIVE;
arg = argv[0];
goto done;
}

3
gcc/opts.c
View File

@ -482,7 +482,8 @@ unknown_option_callback (const struct cl_decoded_option *decoded)
{
const char *opt = decoded->arg;
if (opt[1] == 'W' && opt[2] == 'n' && opt[3] == 'o' && opt[4] == '-')
if (opt[1] == 'W' && opt[2] == 'n' && opt[3] == 'o' && opt[4] == '-'
&& !(decoded->errors & CL_ERR_NEGATIVE))
{
/* We don't generate warnings for unknown -Wno-* options unless
we issue diagnostics. */

3
gcc/opts.h
View File

@ -102,6 +102,9 @@ extern const unsigned int cl_lang_count;
#define CL_ERR_MISSING_ARG (1 << 1) /* Argument required but missing. */
#define CL_ERR_WRONG_LANG (1 << 2) /* Option for wrong language. */
#define CL_ERR_UINT_ARG (1 << 3) /* Bad unsigned integer argument. */
#define CL_ERR_NEGATIVE (1 << 4) /* Negative form of option
not permitted (together
with OPT_SPECIAL_unknown). */
/* Structure describing the result of decoding an option. */

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2010-08-30 Joseph Myers <joseph@codesourcery.com>
* gcc.dg/opts-1.c: Expect errors, not warnings.
2010-08-29 Janus Weil <janus@gcc.gnu.org>
PR fortran/42769

4
gcc/testsuite/gcc.dg/opts-1.c
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@ -5,5 +5,5 @@
/* { dg-error "-fno-abi-version" "-fno-abi-version" { target *-*-* } 0 } */
/* { dg-error "-fno-lto-compression-level" "-fno-lto-compression-level" { target *-*-* } 0 } */
/* { dg-error "-fno-tree-parallelize-loops" "-fno-tree-parallelize-loops" { target *-*-* } 0 } */
/* { dg-warning "-Wno-strict-overflow" "-Wno-strict-overflow" { target *-*-* } 0 } */
/* { dg-warning "-Wno-strict-aliasing" "-Wno-strict-aliasing" { target *-*-* } 0 } */
/* { dg-error "-Wno-strict-overflow" "-Wno-strict-overflow" { target *-*-* } 0 } */
/* { dg-error "-Wno-strict-aliasing" "-Wno-strict-aliasing" { target *-*-* } 0 } */