I could find a replacement link for ARC on synopsys.com, but failed for the two Fortran test references and the link on tru64unix.compaq.com.
Applied. Gerald Index: readings.html =================================================================== RCS file: /cvs/gcc/wwwdocs/htdocs/readings.html,v retrieving revision 1.257 diff -u -r1.257 readings.html --- readings.html 6 Feb 2017 17:47:51 -0000 1.257 +++ readings.html 8 Feb 2017 07:10:14 -0000 @@ -75,7 +75,7 @@ <li>arc <br />Manufacturer: Synopsys Inc (as Synopsys DesignWare softcore) <br />CPUs include: ARC600, ARC700 - <br /><a href="http://www.synopsys.com/IP/PROCESSORIP/ARCPROCESSORS/Pages/default.aspx";>ARC Documentation</a> + <br /><a href="https://www.synopsys.com/designware-ip/processor-solutions/arc-processors.html";>ARC Documentation</a> </li> <li>ARM @@ -464,10 +464,6 @@ <li> <a href="http://www.polyhedron.com/";>Polyhedron tests</a> </li> - <li> - <a href="http://ftp.aset.psu.edu/pub/ger/fortran/test/";>compilers - test sets</a> by H. Knoble & A. Desitter - </li> </ul> </li> </ul> @@ -501,11 +497,6 @@ Books with source code: <ul> <li> - <a href="http://www.fortranplus.co.uk/fortran_books.html";> - Example programs</a> of <cite>Introducing Fortran 95</cite> by Ian - Chivers and Jane Sleightholme. - </li> - <li> <a href="http://www.fortran.com/F/books.html";>Examples</a> of <cite>Essential Fortran 90 & 95</cite> by Loren Meissner. </li> @@ -632,10 +623,6 @@ <li><a href="https://en.wikipedia.org/wiki/IEEE_754r";>IEEE 754r</a>, an ongoing revision to the IEEE 754 floating point standard.</li> - <li><a href="http://www.tru64unix.compaq.com/docs/base_doc/DOCUMENTATION/V51_HTML/SUPPDOCS/OBJSPEC/TITLE.HTM";> - Information on the Digital UNIX/Compaq Tru64 UNIX object file format</a></li> -</ul><ul> - <li><a href="http://researchweb.watson.ibm.com/journal/";>IBM Journal of Research and Development</a></li> <li><a href="http://refspecs.freestandards.org/elf/elfspec_ppc.pdf";>System
