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| author | Tobias Burnus <burnus@gcc.gnu.org> | 2011-05-14 11:39:38 +0200 |
|---|---|---|
| committer | Tobias Burnus <burnus@gcc.gnu.org> | 2011-05-14 11:39:38 +0200 |
| commit | 2d8c9ad5c96e9a66b11deedb894822143202392e (patch) | |
| tree | 0ca13f95fa2e388e64eded9cec3391d4ed37605d /gcc/fortran/invoke.texi | |
| parent | de8bd1420e94a63faef64c2ccac021fd89a11497 (diff) | |
| download | gcc-2d8c9ad5c96e9a66b11deedb894822143202392e.zip gcc-2d8c9ad5c96e9a66b11deedb894822143202392e.tar.gz gcc-2d8c9ad5c96e9a66b11deedb894822143202392e.tar.bz2 | |
invoke.texi (-Ofast): Also enables -fstack-arrays.
2011-05-14 Tobias Burnus <burnus@net-b.de>
* doc/invoke.texi (-Ofast): Also enables -fstack-arrays.
2011-05-14 Tobias Burnus <burnus@net-b.de>
* options.c (gfc_init_options, gfc_post_options): Enable
-fstack-arrays by default if -Ofast is used.
* invoke.texi (-fstack-arrays): Document this.
From-SVN: r173751
Diffstat (limited to 'gcc/fortran/invoke.texi')
| -rw-r--r-- | gcc/fortran/invoke.texi | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/fortran/invoke.texi b/gcc/fortran/invoke.texi index f68b18c..ab45072 100644 --- a/gcc/fortran/invoke.texi +++ b/gcc/fortran/invoke.texi @@ -1381,7 +1381,9 @@ The default value for @var{n} is 32768. Adding this option will make the fortran compiler put all local arrays, even those of unknown size onto stack memory. If your program uses very large local arrays it's possible that you'll have to extend your runtime -limits for stack memory on some operating systems. +limits for stack memory on some operating systems. This flag is enabled +by default at optimization level @option{-Ofast}. + @item -fpack-derived @opindex @code{fpack-derived} |