[Bug 3579] New: [IcedTea8] Zero's atomic_copy64() broken on s390

[bugzilla-daemon at icedtea.classpath.org]

https://icedtea.classpath.org/bugzilla/show_bug.cgi?id=3579

            Bug ID: 3579
           Summary: [IcedTea8] Zero's atomic_copy64() broken on s390
           Product: IcedTea
           Version: 3.x-hg
          Hardware: s390
                OS: All
            Status: NEW
          Severity: normal
          Priority: P5
         Component: IcedTea
          Assignee: gnu.andrew at redhat.com
          Reporter: gnu.andrew at redhat.com
                CC: unassigned at icedtea.classpath.org

diff --git openjdk/hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.hpp
openjdk/hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.hpp
--- openjdk/hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.hpp
+++ openjdk/hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.hpp
@@ -44,10 +44,10 @@
                   : "b"(src), "b"(dst));
 #elif defined(S390) && !defined(_LP64)
     double tmp;
-    asm volatile ("ld  %0, 0(%1)\n"
-                  "std %0, 0(%2)\n"
-                  : "=r"(tmp)
-                  : "a"(src), "a"(dst));
+    asm volatile ("ld  %0, %2\n"
+                  "std %0, %1\n"
+                  : "=&f"(tmp), "=Q"(*(volatile double*)dst)
+                  : "Q"(*(volatile double*)src));
 #else
     *(jlong *) dst = *(jlong *) src;
 #endif

-- 
You are receiving this mail because:
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.openjdk.java.net/pipermail/distro-pkg-dev/attachments/20180416/247b407f/attachment.html>