diff options
Diffstat (limited to 'gcc/fortran/invoke.texi')
| -rw-r--r-- | gcc/fortran/invoke.texi | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/gcc/fortran/invoke.texi b/gcc/fortran/invoke.texi index 2f6f4b0f9a4..8e47df4f684 100644 --- a/gcc/fortran/invoke.texi +++ b/gcc/fortran/invoke.texi @@ -148,7 +148,8 @@ and warnings}. @item Directory Options @xref{Directory Options,,Options for directory search}. -@gccoptlist{-I@var{dir} -J@var{dir} -M@var{dir} -fintrinsic-modules-path @var{dir}} +@gccoptlist{-I@var{dir} -J@var{dir} -M@var{dir} @gol +-fintrinsic-modules-path @var{dir}} @item Link Options @xref{Link Options,,Options for influencing the linking step}. @@ -162,9 +163,10 @@ and warnings}. @item Code Generation Options @xref{Code Gen Options,,Options for code generation conventions}. -@gccoptlist{-fno-automatic -ff2c -fno-underscoring +@gccoptlist{-fno-automatic -ff2c -fno-underscoring @gol -fsecond-underscore @gol --fbounds-check -fcheck-array-temporaries -fmax-stack-var-size=@var{n} @gol +-fbounds-check -fcheck-array-temporaries -fmax-array-constructor =@var{n} @gol +-fmax-stack-var-size=@var{n} @gol -fpack-derived -frepack-arrays -fshort-enums -fexternal-blas @gol -fblas-matmul-limit=@var{n} -frecursive -finit-local-zero @gol -finit-integer=@var{n} -finit-real=@var{<zero|inf|-inf|nan>} @gol @@ -1191,6 +1193,28 @@ sometimes useful in optimization, in order to avoid such temporaries. Note: The warning is only printed once per location. +@item -fmax-array-constructor=@var{n} +@opindex @code{fmax-array-constructor} +This option can be used to increase the upper limit permitted in +array constructors. The code below requires this option to expand +the array at compile time. + +@smallexample +@code{program test} +@code{implicit none} +@code{integer j} +@code{integer, parameter :: n = 100000} +@code{integer, parameter :: i(n) = (/ (2*j, j = 1, n) /)} +@code{print '(10(I0,1X))', i} +@code{end program test} +@end smallexample + +@emph{Caution: This option can lead to long compile times and excessively +large object files.} + +The default value for @var{n} is 65535. + + @item -fmax-stack-var-size=@var{n} @opindex @code{fmax-stack-var-size} This option specifies the size in bytes of the largest array that will be put |