[llvm-branch-commits] [llvm] 253e932 - [release/20.x] Update release notes for SystemZ changes (#140060)

[via llvm-branch-commits]

Author: Ulrich Weigand
Date: 2025-06-11T17:18:21-07:00
New Revision: 253e9321c8b6bfcecee166312a5f7da81633764e

URL: https://github.com/llvm/llvm-project/commit/253e9321c8b6bfcecee166312a5f7da81633764e
DIFF: https://github.com/llvm/llvm-project/commit/253e9321c8b6bfcecee166312a5f7da81633764e.diff

LOG: [release/20.x] Update release notes for SystemZ changes (#140060)

Added: 
    

Modified: 
    llvm/docs/ReleaseNotes.md

Removed: 
    


################################################################################
diff  --git a/llvm/docs/ReleaseNotes.md b/llvm/docs/ReleaseNotes.md
index f34003eaf0fe2..ef4ec9b56f364 100644
--- a/llvm/docs/ReleaseNotes.md
+++ b/llvm/docs/ReleaseNotes.md
@@ -349,6 +349,15 @@ Changes to the RISC-V Backend
   extension.
 * Added ``Sdext`` and ``Sdtrig`` extensions.
 
+Changes to the SystemZ Backend
+------------------------------
+
+* Added support for the IBM z17 processor and the arch15 cpu architecture.
+* Added support for `__builtin_setjump` and `__builtin_longjmp`.
+* Improve inlining heuristics to fix compile time explosion in certain cases.
+* Improve various cost functions.
+* Improve compatibility of the assembler parser with the GNU assembler.
+
 Changes to the WebAssembly Backend
 ----------------------------------