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| author | Jerry DeLisle <jvdelisle@gcc.gnu.org> | 2016-03-13 00:19:08 +0000 |
|---|---|---|
| committer | Jerry DeLisle <jvdelisle@gcc.gnu.org> | 2016-03-13 00:19:08 +0000 |
| commit | a4c54bf2a79469093e8742ec3e22ae09f14da4b5 (patch) | |
| tree | e5ca4eadbe1abca4cd1c4047876467c45f49dd7a /gcc | |
| parent | 4d4d5abe2eeb3a978027fdbb45e356a120da4ae2 (diff) | |
| download | gcc-a4c54bf2a79469093e8742ec3e22ae09f14da4b5.zip gcc-a4c54bf2a79469093e8742ec3e22ae09f14da4b5.tar.gz gcc-a4c54bf2a79469093e8742ec3e22ae09f14da4b5.tar.bz2 | |
re PR fortran/69520 (Implement reversal of -fcheck options)
2016-03-12 Jerry DeLisle <jvdelisle@gcc.gnu.org>
Harold Anlauf <anlauf@gmx.de>
PR fortran/69520
* invoke.texi: Explain use of the 'no-' construct within the
-fcheck= option.
* options.c (gfc_handle_runtime_check_option): Enable use of
'no-' prefix for the various options with -fcheck= to allow
negating previously enabled check options.
Co-Authored-By: Harald Anlauf <anlauf@gmx.de>
From-SVN: r234167
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/fortran/ChangeLog | 10 | ||||
| -rw-r--r-- | gcc/fortran/invoke.texi | 10 | ||||
| -rw-r--r-- | gcc/fortran/options.c | 9 |
3 files changed, 28 insertions, 1 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog index cf0cb6d..9d3f200 100644 --- a/gcc/fortran/ChangeLog +++ b/gcc/fortran/ChangeLog @@ -1,3 +1,13 @@ +2016-03-12 Jerry DeLisle <jvdelisle@gcc.gnu.org> + Harold Anlauf <anlauf@gmx.de> + + PR fortran/69520 + * invoke.texi: Explain use of the 'no-' construct within the + -fcheck= option. + * options.c (gfc_handle_runtime_check_option): Enable use of + 'no-' prefix for the various options with -fcheck= to allow + negating previously enabled check options. + 2016-03-12 Paul Thomas <pault@gcc.gnu.org> PR fortran/70031 diff --git a/gcc/fortran/invoke.texi b/gcc/fortran/invoke.texi index 7fbbc4b..e90656e 100644 --- a/gcc/fortran/invoke.texi +++ b/gcc/fortran/invoke.texi @@ -1398,7 +1398,8 @@ library needs to be linked. @cindex checking array temporaries Enable the generation of run-time checks; the argument shall be -a comma-delimited list of the following keywords. +a comma-delimited list of the following keywords. Prefixing a check with +@option{no-} disables it if it was activated by a previous specification. @table @asis @item @samp{all} @@ -1444,6 +1445,13 @@ Note: This check does not work for OpenMP programs and is disabled if used together with @option{-frecursive} and @option{-fopenmp}. @end table +Example: Assuming you have a file @file{foo.f90}, the command +@smallexample + gfortran -fcheck=all,no-array-temps foo.f90 +@end smallexample +will compile the file with all checks enabled as specified above except +warnings for generated array temporaries. + @item -fbounds-check @opindex @code{fbounds-check} diff --git a/gcc/fortran/options.c b/gcc/fortran/options.c index f8d8f8d..0fcda1d 100644 --- a/gcc/fortran/options.c +++ b/gcc/fortran/options.c @@ -515,6 +515,15 @@ gfc_handle_runtime_check_option (const char *arg) result = 1; break; } + else if (optname[n] && pos > 3 && strncmp ("no-", arg, 3) == 0 + && strncmp (optname[n], arg+3, pos-3) == 0) + { + gfc_option.rtcheck &= ~optmask[n]; + arg += pos; + pos = 0; + result = 1; + break; + } } if (!result) gfc_fatal_error ("Argument to %<-fcheck%> is not valid: %s", arg); |