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6927165: Zero S/390 fixes

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Fixes two failures on 31-bit S/390.

Reviewed-by: twisti
This commit is contained in:
Gary Benson 2010-02-18 06:54:48 -08:00 committed by Christian Thalinger
parent 0c605ed991
commit 51b9396b40
2 changed files with 10 additions and 4 deletions
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4
hotspot/src/cpu/zero/vm/globals_zero.hpp
View File

@ -1,6 +1,6 @@
/*
* Copyright 2000-2006 Sun Microsystems, Inc. All Rights Reserved.
* Copyright 2007, 2008, 2009 Red Hat, Inc.
* Copyright 2007, 2008, 2009, 2010 Red Hat, Inc.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -40,7 +40,7 @@ define_pd_global(intx, PreInflateSpin, 10);
define_pd_global(intx, StackYellowPages, 2);
define_pd_global(intx, StackRedPages, 1);
define_pd_global(intx, StackShadowPages, 3 LP64_ONLY(+3) DEBUG_ONLY(+3));
define_pd_global(intx, StackShadowPages, 5 LP64_ONLY(+1) DEBUG_ONLY(+3));
define_pd_global(bool, RewriteBytecodes, true);
define_pd_global(bool, RewriteFrequentPairs, true);

10
hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.hpp
View File

@ -1,6 +1,6 @@
/*
* Copyright 2003-2004 Sun Microsystems, Inc. All Rights Reserved.
* Copyright 2007, 2008 Red Hat, Inc.
* Copyright 2007, 2008, 2010 Red Hat, Inc.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -39,7 +39,13 @@
"stfd %0, 0(%2)\n"
: "=f"(tmp)
: "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));
#else
*(jlong *) dst = *(jlong *) src;
#endif // PPC && !_LP64
#endif
}