From: Tobias Burnus <tburnus@baylibre.com>
Date: Fri, 22 May 2026 13:51:19 +0000 (+0200)
Subject: Fortran: invoke.texi - document -fcoarray=shared [PR125416]
X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=dfdee764745f7155503243f32c478ea501b92213;p=thirdparty%2Fgcc.git

Fortran: invoke.texi - document -fcoarray=shared [PR125416]

gcc/fortran/ChangeLog:

	PR fortran/125416
	* invoke.texi (fcoarray): Document 'shared'.
---

diff --git a/gcc/fortran/invoke.texi b/gcc/fortran/invoke.texi
index b3e74148a08..84a8404a9d3 100644
--- a/gcc/fortran/invoke.texi
+++ b/gcc/fortran/invoke.texi
@@ -190,7 +190,7 @@ and warnings}.
 -fbounds-check -ftail-call-workaround -ftail-call-workaround=@var{n}
 -fcheck-array-temporaries
 -fcheck=<all|array-temps|bits|bounds|do|mem|pointer|recursion>
--fcoarray=<none|single|lib> -fexternal-blas -fexternal-blas64 -ff2c
+-fcoarray=<none|single|shared|lib> -fexternal-blas -fexternal-blas64 -ff2c
 -ffrontend-loop-interchange -ffrontend-optimize
 -finit-character=@var{n} -finit-integer=@var{n} -finit-local-zero
 -finit-derived -finit-logical=<true|false>
@@ -1793,6 +1793,9 @@ statements produces a compile-time error. (Default)
 @item @samp{single}
 Single-image mode, i.e. @code{num_images()} is always one.
 
+@item @samp{shared}
+Use shared-memory mulithreading parallelization.
+
 @item @samp{lib}
 Library-based coarray parallelization; a suitable GNU Fortran coarray
 library such as @url{http://opencoarrays.org} needs to be linked.