[wwwdocs][PATCH] gcc-14/changes: Update APX inline asm behavior for x86_64

[Hongyu Wang]

Hi,

This patch adds missing description for inline asm behavior and related
compiler switch for APX.

Ok for gcc-wwwdocs?

---
 htdocs/gcc-14/changes.html | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/htdocs/gcc-14/changes.html b/htdocs/gcc-14/changes.html
index e3a68998..73a90d30 100644
--- a/htdocs/gcc-14/changes.html
+++ b/htdocs/gcc-14/changes.html
@@ -342,6 +342,12 @@ a work-in-progress.</p>
       NDD, PPX and PUSH2POP2. APX support is available via the
       <code>-mapxf</code> compiler switch.
   </li>
+  <li>For inline asm support with APX, by default the EGPR feature was
+      disabled to prevent potential illegal instruction with EGPR occurs.
+      To invoke egpr usage in inline asm, use new compiler option
+      -mapx-inline-asm-use-gpr32 and user should ensure the instruction
+      supports EGPR.
+  </li>
   <li>New ISA extension support for Intel AVX10.1 was added.
       AVX10.1 intrinsics are available via the <code>-mavx10.1</code> or
       <code>-mavx10.1-256</code> compiler switch with 256-bit vector size
-- 
2.31.1