[wwwdocs] Fix four references to Intel instruction set references

[Gerald Pfeifer]

On Tue, 7 Feb 2017, Jakub Jelinek wrote:
>> Hmm, this is not good since 319433-020.pdf and 319433-022.pdf redirect
>> to 319433-028 (which is the same as under the new URL I now used).  And
>> the links to 319433-015.pdf and 319433-023.pdf both were broken.
>> 
>> Do you have a recommendation?
> I think 
> https://software.intel.com/sites/default/files/managed/39/c5/325462-sdm-vol-1-2abcd-3abcd.pdf
> The -028 manual only contains AVX512{VBMI,IFMA,4FMAPS,4VNNIW,VPOPCNT*} instructions
> plus for some very strange reason VPERMT2* instruction which is declared
> to be part of AVX512{F,VL,BW}.

Thanks, Jakub!

I went ahead with this recommendation and on the way also boiled
down the number of links from four to two (since it's pretty likely
we'll have to chase this again a year or two from now).

Applied.

Gerald

Index: svn.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/svn.html,v
retrieving revision 1.216
diff -u -r1.216 svn.html
--- svn.html	28 Feb 2017 02:47:07 -0000	1.216
+++ svn.html	12 Mar 2017 00:00:26 -0000
@@ -406,7 +406,7 @@
   <dt>avx-512vlbwdq</dt>
   <dd>The goal of this branch is to implement the Intel AVX-512{VL,BW,DQ}
   Programming Reference
-  (<a href="https://software.intel.com/sites/default/files/managed/c5/15/architecture-instruction-set-extensions-programming-reference.pdf">link</a>).
+  (<a href="https://software.intel.com/sites/default/files/managed/39/c5/325462-sdm-vol-1-2abcd-3abcd.pdf">link</a>).
   The branch is maintained by Yukhin Kirill <<a
   href="mailto:kirill.yukhin@intel.com">kirill.yukhin@intel.com</a>>.
   Patches should be marked with the tag <code>[AVX512]</code> in the subject
@@ -464,8 +464,7 @@
   and H.J. Lu <<a href="mailto:hjl.tools@gmail.com">hjl.tools@gmail.com</a>>.</dd>
 
   <dt>mpx</dt>
-  <dd>The goal of this branch is to support Intel MPX technology
-  (<a href="https://software.intel.com/sites/default/files/managed/c5/15/architecture-instruction-set-extensions-programming-reference.pdf">link</a>).
+  <dd>The goal of this branch is to support Intel MPX technology.
   The branch is maintained by
   Ilya Enkovich <<a href="mailto:ilya.enkovich@intel.com">ilya.enkovich@intel.com</a>>
   Patches should be marked with the tag <code>[MPX]</code> in the subject
Index: gcc-5/changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-5/changes.html,v
retrieving revision 1.146
diff -u -r1.146 changes.html
--- gcc-5/changes.html	11 Mar 2017 23:17:24 -0000	1.146
+++ gcc-5/changes.html	12 Mar 2017 00:00:26 -0000
@@ -776,9 +776,9 @@
 
 <h3 id="x86">IA-32/x86-64</h3>
   <ul>
-    <li>New ISA extensions support
-	<a href="https://software.intel.com/sites/default/files/managed/c5/15/architecture-instruction-set-extensions-programming-reference.pdf">
-	AVX-512{BW,DQ,VL,IFMA,VBMI}</a> of Intel's CPU
+    <li>New <a
+	href="https://software.intel.com/sites/default/files/managed/39/c5/325462-sdm-vol-1-2abcd-3abcd.pdf">ISA extensions</a>
+	support AVX-512{BW,DQ,VL,IFMA,VBMI} of Intel's CPU
 	codenamed Skylake Server was added to GCC.  That includes inline
 	assembly support, new intrinsics, and basic autovectorization.  These
 	new AVX-512 extensions are available via
@@ -788,9 +788,8 @@
 	<code>-mavx512dq</code>, AVX-512 FMA-52 instructions:
 	<code>-mavx512ifma</code> and for AVX-512 Vector Bit Manipulation
 	Instructions: <code>-mavx512vbmi</code>.</li>
-	<li>New ISA extensions support
-	<a href="https://software.intel.com/sites/default/files/managed/c5/15/architecture-instruction-set-extensions-programming-reference.pdf">
-	Intel MPX</a> was added to GCC.  This new extension is available via the
+	<li>New ISA extensions support Intel MPX was added to GCC.
+	This new extension is available via the
 	<code>-mmpx</code> compiler switch.  Intel MPX is a set of processor features which,
 	with compiler, run-time library and OS support, brings increased robustness to
 	software by run-time checking pointer references against their bounds.