Mercurial > hg > graal-jvmci-8
diff src/cpu/ppc/vm/globals_ppc.hpp @ 14436:b0133e4187d3
8028471: PPC64 (part 215): opto: Extend ImplicitNullCheck optimization.
Summary: Fixed Implicit NULL check optimization for AIX, where the page at address '0' is only write-protected.
Reviewed-by: kvn
author | goetz |
---|---|
date | Thu, 21 Nov 2013 18:29:34 -0800 |
parents | 2e3c546f46d9 |
children | 41b780b43b74 |
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--- a/src/cpu/ppc/vm/globals_ppc.hpp Thu Nov 21 12:30:35 2013 -0800 +++ b/src/cpu/ppc/vm/globals_ppc.hpp Thu Nov 21 18:29:34 2013 -0800 @@ -92,7 +92,7 @@ /* Trap based checks use the ppc trap instructions to check certain */ \ /* conditions. This instruction raises a SIGTRAP caught by the */ \ /* exception handler of the VM. */ \ - product(bool, UseSIGTRAP, false, \ + product(bool, UseSIGTRAP, true, \ "Allow trap instructions that make use of SIGTRAP. Use this to " \ "switch off all optimizations requiring SIGTRAP.") \ product(bool, TrapBasedICMissChecks, true, \