On Wed, Aug 17, 2022 at 7:24 PM Iain Buclaw via Gcc-patches <gcc-patches@gcc.gnu.org> wrote: > > Hi, > > This patch belatedly adds the new features and changes to the D > front-end during the GCC 12 development cycle, as well as a bullet in > the caveat section for D's new bootstrapping requirements. > > If nothing stands out being really wrong, I'll go ahead and commit it by > end of week. > > OK?
LGTM > Regards, > Iain. > > --- > htdocs/gcc-12/changes.html | 78 +++++++++++++++++++++++++++++++++++++- > 1 file changed, 77 insertions(+), 1 deletion(-) > > diff --git a/htdocs/gcc-12/changes.html b/htdocs/gcc-12/changes.html > index ef957204..5bbad9bf 100644 > --- a/htdocs/gcc-12/changes.html > +++ b/htdocs/gcc-12/changes.html > @@ -72,6 +72,17 @@ You may also want to check out our > <code>pool</code> arguments. Those configurations had been broken for > some time. > </li> > + <li> > + <strong>D:</strong> > + Building and bootstrapping GDC, the D compiler, now requires a working > GDC > + compiler (GCC version 9.1 or later) and D runtime library, libphobos, as > + the D front end is written in D. On some targets, libphobos isn't enabled > + by default, but compiles and works if <code>--enable-libphobos</code> is > + used. Other targets may require a more recent minimum version of GCC to > + bootstrap. Specifics are documented for affected targets in the > + <a href="https://gcc.gnu.org/install/specific.html";>manual</a> for > + installing GCC. > + </li> > <li> > <strong>Fortran:</strong> > OpenMP code using the <code>omp_lib.h</code> include file can no longer > be > @@ -509,7 +520,72 @@ function Multiply (S1, S2 : Sign) return Sign is > </li> > </ul> > > -<!-- <h3 id="d">D</h3> --> > +<h3 id="d">D</h3> > +<ul> > + <li>New features: > + <ul> > + <li>Support for the D programming language has been updated to version > + 2.100.1 of the language and run-time library. Full changelog for this > + release and previous releases can be found on the > + <a href="https://dlang.org/changelog/2.100.1.html";>dlang.org</a> > + website. > + </li> > + <li>On supported targets, the <code>__traits(compiles)</code> > expression > + can now be used to determine whether a target-specific built-in is > + available without error during CTFE > + (<a href="https://gcc.gnu.org/PR101127";>PR101127</a>). > + </li> > + <li>Partial support for directly importing C99 sources into a D > + compilation (<a > href="https://dlang.org/spec/importc.html";>ImportC</a>) > + has been added to the language. A notable missing feature is support > + for preprocessing C imports, which can be worked around by > + preprocessing all C sources used for importing ahead of time. > + </li> > + </ul> > + </li> > + <li>New language options: > + <ul> > + <li><code>-fcheck=</code>, enables or disables the code generation of > + specific run-time contract checks. > + </li> > + <li><code>-fcheckaction=</code>, controls the run-time behaviour on an > + assert, array bounds check, or final switch contract failure. The > + default is <code>-fcheckaction=throw</code>. > + </li> > + <li><code>-fdump-c++-spec=</code>, dumps all compiled > + <code>extern(C++)</code> declarations as C++ code to a file. > + The supplimentary option <code>-fdump-c++-spec-verbose</code> turns on > + emission of comments for ignored declaration in the generated C++ > spec. > + </li> > + <li><code>-fextern-std=</code>, controls which C++ standard > + <code>extern(C++)</code> declarations are compiled to be compatible > + with. The default is <code>-fextern-std=c++17</code>. > + </li> > + <li><code>-fpreview=</code>, added to enable upcoming D language > features > + in the compiler. > + </li> > + <li><code>-frevert=</code>, added to revert D language changes to > support > + older D codebases that need more time to transition. > + </li> > + <li><code>-fsave-mixins=</code>, saves mixins expanded at compile-time > to > + a file. > + </li> > + </ul> > + </li> > + <li>Deprecated and removed features: > + <ul> > + <li>The <code>-Wtemplates</code> compiler switch has been removed, as > it > + had been superceded by <code>-ftransition=templates</code>, which more > + accurately reports on which templates have been instantiated. > + </li> > + <li>The <code>-ftransition=dip25</code> and > + <code>-ftransition=dip1000</code> compiler switches have been renamed > + to <code>-fpreview=dip25</code> and <code>-fprefix=dip1000</code>. > + </li> > + </ul> > + </li> > +</ul> > + > > <h3 id="fortran">Fortran</h3> > <ul> > -- > 2.34.1 >
