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[wwwdocs,arm] Update for PR target/88469

Message ID cb9a33d3-919c-7191-a206-b61dc6f5c5a6@arm.com
State New
Headers show
Series [wwwdocs,arm] Update for PR target/88469 | expand

Commit Message

Richard Earnshaw (lists) Feb. 28, 2019, 10:30 a.m. UTC 
This patch to wwwdocs updates the changes file for the fix to PR
target/88469 in gcc-9.

Committed.
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Patch

Index: htdocs/gcc-9/changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-9/changes.html,v
retrieving revision 1.46
diff -u -r1.46 changes.html
--- htdocs/gcc-9/changes.html	26 Feb 2019 18:40:04 -0000	1.46
+++ htdocs/gcc-9/changes.html	28 Feb 2019 10:29:37 -0000
@@ -28,6 +28,18 @@ 
 <!-- .................................................................. -->
 <h2>Caveats</h2>
 <ul>
+  <li>
+    On Arm targets (<code>arm*-*-*</code>),
+    <a href="https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88469">a bug</a>
+    in the implementation of the procedure call standard (AAPCS)
+    in the GCC 6, 7 and 8 releases has been fixed: a structure
+    containing a bit-field based on a 64-bit integral type and where
+    no other element in a structure required 64-bit alignment could be
+    passed incorrectly to functions.  This is an ABI change.  If the
+    option <code>-Wpsabi</code> is enabled (on by default) the
+    compiler will emit a diagnostic note for code that might be
+    affected.
+  </li>
   <li><p>Support for a number of older systems and recently
       unmaintained or untested target ports of GCC has been declared
       obsolete in GCC 9.  Unless there is activity to revive them, the