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commit ae6d3077a39f5c41fa1888eef844e2c235a7ec31
Author: Arthur Cohen <arthur.co...@embecosm.com>
Date: Tue Apr 22 18:26:14 2025 +0200
gcc-15: Add changes for Rust frontend
diff --git a/htdocs/gcc-15/changes.html b/htdocs/gcc-15/changes.html
index 6659574f..3a62609a 100644
--- a/htdocs/gcc-15/changes.html
+++ b/htdocs/gcc-15/changes.html
@@ -773,6 +773,63 @@ asm (".text; %cc0: mov %cc2, %%r0; .previous;"
</li>
</ul>
+<h3 id="rust">Rust</h3>
+<ul>
+ <li>
+ Basic inline assembly support has been added to the frontend, which enables
us to compile
+the architecture specific functions of <code>core 1.49</code>.
+ </li>
+ <li>
+ Support for <code>for-loops</code> has been added.
+ </li>
+ <li>
+ Fixes to our automatic dereferencing algorithm for <code>Deref</code> and
+<code>DerefMut</code>. This makes <code>gccrs</code> more correct and allow to
handle
+complicated cases where the type-checker would previously fail.
+ </li>
+ <li>
+ Fixes to our indexing and iterator traits handling, which was required for
+<code>for-loops</code> to be properly implemented.
+ </li>
+ <li>
+ Our parser is now fully implemented and fully capable of parsing the
entirety of
+<code>core</code>, <code>alloc</code> and <code>std</code>. It was still
lacking in some
+areas, especially around unstable features like <code>specialization</code>.
+ </li>
+ <li>
+ Support for the question-mark operator has been added. This enables
<code>gccrs</code> to
+handle all the error handling code and machinery often used in real world Rust
programs, as
+well as in <code>core</code>.
+ </li>
+ <li>
+ Fixes to our macro expansion pass which now correctly expands all of
<code>core 1.49</code>.
+This also includes fixes to our <code>format_args!()</code> handling code,
which received
+numerous improvements.
+ </li>
+ <li>
+ Support for <code>let-else</code> has been added. While this is not used in
<code>core
+1.49</code>, it is used in the Rust-for-Linux project, our next major
objective for
+<code>gccrs</code>.
+ </li>
+ <li>
+ Support for the unstable <code>specialization</code> feature has been added.
This is
+required for compiling <code>core 1.49</code> correctly, in which
specialization is used to
+improve the runtime performance of Rust binaries.
+ </li>
+ <li>
+ Support for more <code>lang-items</code> has been added
+ </li>
+ <li>
+ Lowered minimum required Rust version to 1.49. This allows more systems to
compile the Rust
+frontend, and also brings us closer to <code>gccrs</code> compiling its own
dependencies down
+the line.
+ </li>
+ <li>
+ Rewrite of our name resolution algorithm to properly handle the complex
import/export
+structure used in <code>core 1.49</code>
+ </li>
+</ul>
+
<!-- .................................................................. -->
<h2 id="targets">New Targets and Target Specific Improvements</h2>
-----------------------------------------------------------------------
Summary of changes:
htdocs/gcc-15/changes.html | 57 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 57 insertions(+)
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