This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG64582189b3fc: [docs] Add llvm & clang release notes for
LoongArch (authored by SixWeining).
Changed prior to commit:
https://reviews.llvm.org/D141750?vs=489204&id=489773#toc
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D141750/new/
https://reviews.llvm.org/D141750
Files:
clang/docs/ReleaseNotes.rst
llvm/docs/ReleaseNotes.rst
Index: llvm/docs/ReleaseNotes.rst
===================================================================
--- llvm/docs/ReleaseNotes.rst
+++ llvm/docs/ReleaseNotes.rst
@@ -47,6 +47,8 @@
is not a constant in coroutines. This decision may cause unnecessary
performance regressions and we plan to fix it in later versions.
+* The LoongArch target is promoted to "official" (see below for more details).
+
* ...
Update on required toolchains to build LLVM
@@ -154,6 +156,19 @@
* ...
+Changes to the LoongArch Backend
+--------------------------------
+
+* The LoongArch target is no longer "experimental"! It's now built by default,
+ rather than needing to be enabled with
``LLVM_EXPERIMENTAL_TARGETS_TO_BUILD``.
+
+* The backend has full codegen support for the base (both integer and
+ floating-point) instruction set and it conforms to psABI v2. Testing has been
+ performed with Linux, including native compilation of a large corpus of Linux
+ applications.
+
+* Support GHC calling convention.
+
Changes to the MIPS Backend
---------------------------
@@ -279,9 +294,13 @@
Changes to LLDB
---------------------------------
+* Initial support for debugging Linux LoongArch 64-bit binaries.
+
Changes to Sanitizers
---------------------
+* Many Sanitizers (asan, fuzzer, lsan, safestack, scudo, tsan, ubsan) have
+ support for Linux LoongArch 64-bit variant. Some of them may be rudimentary.
Other Changes
-------------
Index: clang/docs/ReleaseNotes.rst
===================================================================
--- clang/docs/ReleaseNotes.rst
+++ clang/docs/ReleaseNotes.rst
@@ -802,6 +802,19 @@
- Clang now supports CUDA SDK up to 11.8
- Added support for targeting sm_{87,89,90} GPUs.
+LoongArch Support in Clang
+--------------------------
+- Clang now supports LoongArch. Along with the backend, clang is able to build
a
+ large corpus of Linux applications. Test-suite 100% pass.
+- Support basic option ``-march=`` which is used to select the target
+ architecture, i.e. the basic set of ISA modules to be enabled. Possible
values
+ are ``loongarch64`` and ``la464``.
+- Support basic option ``-mabi=`` which is used to select the base ABI type.
+ Possible values are ``lp64d``, ``lp64f``, ``lp64s``, ``ilp32d``, ``ilp32f``
+ and ``ilp32s``.
+- Support extended options: ``-msoft-float``, ``-msingle-float``,
``-mdouble-float`` and ``mfpu=``.
+ See `LoongArch toolchain conventions
<https://loongson.github.io/LoongArch-Documentation/LoongArch-toolchain-conventions-EN.html>`_.
+
RISC-V Support in Clang
-----------------------
- ``sifive-7-rv32`` and ``sifive-7-rv64`` are no longer supported for
``-mcpu``.
Index: llvm/docs/ReleaseNotes.rst
===================================================================
--- llvm/docs/ReleaseNotes.rst
+++ llvm/docs/ReleaseNotes.rst
@@ -47,6 +47,8 @@
is not a constant in coroutines. This decision may cause unnecessary
performance regressions and we plan to fix it in later versions.
+* The LoongArch target is promoted to "official" (see below for more details).
+
* ...
Update on required toolchains to build LLVM
@@ -154,6 +156,19 @@
* ...
+Changes to the LoongArch Backend
+--------------------------------
+
+* The LoongArch target is no longer "experimental"! It's now built by default,
+ rather than needing to be enabled with ``LLVM_EXPERIMENTAL_TARGETS_TO_BUILD``.
+
+* The backend has full codegen support for the base (both integer and
+ floating-point) instruction set and it conforms to psABI v2. Testing has been
+ performed with Linux, including native compilation of a large corpus of Linux
+ applications.
+
+* Support GHC calling convention.
+
Changes to the MIPS Backend
---------------------------
@@ -279,9 +294,13 @@
Changes to LLDB
---------------------------------
+* Initial support for debugging Linux LoongArch 64-bit binaries.
+
Changes to Sanitizers
---------------------
+* Many Sanitizers (asan, fuzzer, lsan, safestack, scudo, tsan, ubsan) have
+ support for Linux LoongArch 64-bit variant. Some of them may be rudimentary.
Other Changes
-------------
Index: clang/docs/ReleaseNotes.rst
===================================================================
--- clang/docs/ReleaseNotes.rst
+++ clang/docs/ReleaseNotes.rst
@@ -802,6 +802,19 @@
- Clang now supports CUDA SDK up to 11.8
- Added support for targeting sm_{87,89,90} GPUs.
+LoongArch Support in Clang
+--------------------------
+- Clang now supports LoongArch. Along with the backend, clang is able to build a
+ large corpus of Linux applications. Test-suite 100% pass.
+- Support basic option ``-march=`` which is used to select the target
+ architecture, i.e. the basic set of ISA modules to be enabled. Possible values
+ are ``loongarch64`` and ``la464``.
+- Support basic option ``-mabi=`` which is used to select the base ABI type.
+ Possible values are ``lp64d``, ``lp64f``, ``lp64s``, ``ilp32d``, ``ilp32f``
+ and ``ilp32s``.
+- Support extended options: ``-msoft-float``, ``-msingle-float``, ``-mdouble-float`` and ``mfpu=``.
+ See `LoongArch toolchain conventions <https://loongson.github.io/LoongArch-Documentation/LoongArch-toolchain-conventions-EN.html>`_.
+
RISC-V Support in Clang
-----------------------
- ``sifive-7-rv32`` and ``sifive-7-rv64`` are no longer supported for ``-mcpu``.
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