[Valgrind-developers] [valgrind] NEWS / README.s390 update

[Florian K. <fk...@so...>]

https://sourceware.org/cgit/valgrind/commit/?id=e6a4ea43e1c3d96ec41fd4bea4a5d8bec8535f4a

commit e6a4ea43e1c3d96ec41fd4bea4a5d8bec8535f4a
Author: Florian Krohm <fl...@ei...>
Date:   Sun Nov 30 21:52:32 2025 +0000

    NEWS / README.s390 update
    
    BZ 509562 closed

Diff:
---
 NEWS        | 2 ++
 README.s390 | 3 ++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 2cedad448a..6068d611d4 100644
--- a/NEWS
+++ b/NEWS
@@ -12,6 +12,7 @@ X86/macOS 10.13, AMD64/macOS 10.13 and nanoMIPS/Linux.
 
 * ================== PLATFORM CHANGES =================
 
+s390x: Machine models older than z196 are no longer supported.
 
 * ==================== TOOL CHANGES ===================
 
@@ -28,6 +29,7 @@ are not entered into bugzilla tend to get forgotten about or ignored.
 228343  none/tests/darwin/bug228343 fails on OS X
 413369  unhandled amd64-darwin syscall: unix:151 (getpgid)
 487055  memcheck/tests/x86-linux/scalar fails running in Docker
+509562  s390x: Define minimum required machine model
 510416  Missing syswraps for file_getattr and file_setattr
 510864  Add SSE4.1 PMAXSD and PMINSD instructions support for 32-bit x86
 511329  Darwin and FreeBSD: Move setting of carry flag out of
diff --git a/README.s390 b/README.s390
index d0661731c6..980285ab7f 100644
--- a/README.s390
+++ b/README.s390
@@ -1,7 +1,8 @@
 
 Requirements
 ------------
-- You need GCC 3.4 or later to compile the s390 port.
+- You need a GCC-compatible compiler with C11 support to compile
+  the s390 port.
 - Valgrind requires a machine not older than z196 to run.