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8028471: PPC64 (part 215): opto: Extend ImplicitNullCheck optimization

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Fixed Implicit NULL check optimization for AIX, where the page at address '0' is only write-protected.

Reviewed-by: kvn
This commit is contained in:
Goetz Lindenmaier 2013-11-21 18:29:34 -08:00
parent aabed3781b
commit a7c123880e
11 changed files with 65 additions and 8 deletions
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3
hotspot/src/os/solaris/vm/os_solaris.hpp
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@ -27,6 +27,9 @@
// Solaris_OS defines the interface to Solaris operating systems
// Information about the protection of the page at address '0' on this os.
static bool zero_page_read_protected() { return true; }
class Solaris {
friend class os;