From 5ceec3ed4675fdc817685c8162b49327bbe193fe Mon Sep 17 00:00:00 2001 From: Jonas Paulsson Date: Wed, 13 Mar 2024 19:27:21 -0400 Subject: [PATCH] SystemZ release notes for 18.x. (#84560) --- clang/docs/ReleaseNotes.rst | 5 +++++ llvm/docs/ReleaseNotes.rst | 11 +++++++++++ openmp/docs/ReleaseNotes.rst | 2 ++ 3 files changed, 18 insertions(+) diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst index 5b8fd8ba0df470..000133f7e8d576 100644 --- a/clang/docs/ReleaseNotes.rst +++ b/clang/docs/ReleaseNotes.rst @@ -1387,6 +1387,11 @@ NetBSD Support - Removed support for building NetBSD/i386 6.x or older binaries. +SystemZ Support +^^^^^^^^^^^^^^^ +- Properly support 16 byte atomic int/fp types and ops. Atomic __int128 (and + long double) variables are now aligned to 16 bytes by default (like gcc 14). + WebAssembly Support ^^^^^^^^^^^^^^^^^^^ diff --git a/llvm/docs/ReleaseNotes.rst b/llvm/docs/ReleaseNotes.rst index 19602aadfec99f..afc2aecc0f9efc 100644 --- a/llvm/docs/ReleaseNotes.rst +++ b/llvm/docs/ReleaseNotes.rst @@ -251,6 +251,17 @@ Changes to the RISC-V Backend * ``-mcpu=native`` now detects available features with hwprobe (RISC-V Hardware Probing Interface) on Linux 6.4 or later. * The version of Zicfilp/Zicfiss is updated to 1.0. +Changes to the SystemZ Backend +------------------------------ + +* Properly support 16 byte atomic int/fp types and ops. +* Support i128 as legal type in VRs. +* Add an i128 cost model. +* Support building individual functions with backchain using the + __attribute__((target("backchain"))) syntax. +* Add exception handling for XPLINK. +* Add support for llvm-objcopy. + Changes to the WebAssembly Backend ---------------------------------- diff --git a/openmp/docs/ReleaseNotes.rst b/openmp/docs/ReleaseNotes.rst index df944c3be68dee..e4be4a37b90084 100644 --- a/openmp/docs/ReleaseNotes.rst +++ b/openmp/docs/ReleaseNotes.rst @@ -19,3 +19,5 @@ from the `LLVM releases web site `_. Non-comprehensive list of changes in this release ================================================= + +* SystemZ support added.