gcc-wwwdocs branch master updated. 3bc28f262ae6300a635c6c9bec2f1f8706bc3105

gcc-wwwdocs branch master updated. 3bc28f262ae6300a635c6c9bec2f1f8706bc3105

[Kito Cheng]

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- Log -----------------------------------------------------------------
commit 3bc28f262ae6300a635c6c9bec2f1f8706bc3105
Author: Kito Cheng <kito.cheng@sifive.com>
Date:   Wed Mar 24 11:17:15 2021 +0800

    gcc-11/changes: Document RISC-V changes

diff --git a/htdocs/gcc-11/changes.html b/htdocs/gcc-11/changes.html
index b22b119c..a7fa4e1b 100644
--- a/htdocs/gcc-11/changes.html
+++ b/htdocs/gcc-11/changes.html
@@ -693,7 +693,40 @@ a work-in-progress.</p>
   </li>
 </ul>
 
-<!-- <h3 id="riscv">RISC-V</h3> -->
+<h3 id="riscv">RISC-V</h3>
+<ul>
+  <li>Support address sanitizer for RISC-V.</li>
+  <li>Support big-endian for RISC-V, thanks to Marcus Comstedt.</li>
+  <li>Implement new style of architecture extension test macros,
+      each architecture extension has corresponding feature test macro, which
+      could use to test its existence and version information.
+  </li>
+  <li>Legacy architecture extension test macro like <code>__riscv_atomic</code>,
+       are deprecated, but it will still supported for at least 2 release cycles.
+  </li>
+  <li>Support IFUNC for <code>riscv*-*-linux*</code>.</li>
+  <li>Add new option -misa-spec=* to control ISA spec version, default is 2.2,
+      this option could control the default version of each extensions.</li>
+  <li>Introduce <code>--with-multilib-generator</code> to configure time option,
+      this option could flexible config multi-lib settings, syntax is same as
+      RISC-V's <code>multilib-generator</code>.
+  </li>
+  <li>Extend the sytax for <code>multilib-generator</code>, support expansion
+      operator <code>*</code> to reduce the complexity of complicated multi-lib
+      re-use rule.
+  </li>
+  <li>Support <code>-mcpu=*</code> option, the behavior is aligned to RISC-V
+      clang/LLVM, it will set pipeline model and architecture extension, like
+      <code>-mtune=*</code> plus <code>-march=*</code>.
+  </li>
+  <li>Support for TLS stack protector canary access, thanks to Cooper Qu.
+  </li>
+  <li>Support <code>__builtin_thread_pointer</code> for RISC-V.</li>
+  <li>Introduce <code>shorten_memrefs</code> optimization, which could reduce the
+      code size for memory access, thanks to Craig Blackmore.
+  </li>
+</ul>
+
 
 <!-- <h3 id="rx">RX</h3> -->
 

-----------------------------------------------------------------------

Summary of changes:
 htdocs/gcc-11/changes.html | 35 ++++++++++++++++++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)


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