Mercurial > hg > graal-jvmci-8
diff src/cpu/sparc/vm/stubGenerator_sparc.cpp @ 422:05db98ed59ba
6760773: UseCompressedOops is broken with UseParNewGC
Summary: sparc code for gen_subtype_check was doing an ld for a compressed oop with the sign bit set so not comparing, leading to a ClassCastException.
Reviewed-by: phh, never, acorn, kvn, xlu
author | coleenp |
---|---|
date | Fri, 07 Nov 2008 11:03:32 -0500 |
parents | 1ee8caae33af |
children | 660978a2a31a |
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--- a/src/cpu/sparc/vm/stubGenerator_sparc.cpp Fri Oct 31 10:34:20 2008 -0700 +++ b/src/cpu/sparc/vm/stubGenerator_sparc.cpp Fri Nov 07 11:03:32 2008 -0500 @@ -956,7 +956,7 @@ // Load a little early; will load 1 off the end of the array. // Ok for now; revisit if we have other uses of this routine. if (UseCompressedOops) { - __ ld(L1_ary_ptr,0,L2_super);// Will load a little early + __ lduw(L1_ary_ptr,0,L2_super);// Will load a little early } else { __ ld_ptr(L1_ary_ptr,0,L2_super);// Will load a little early } @@ -973,7 +973,7 @@ #ifdef _LP64 __ subcc(L2_super,L4_ooptmp,Rret); // Check for match; zero in Rret for a hit __ br( Assembler::notEqual, false, Assembler::pt, loop ); - __ delayed()->ld(L1_ary_ptr,0,L2_super);// Will load a little early + __ delayed()->lduw(L1_ary_ptr,0,L2_super);// Will load a little early #else ShouldNotReachHere(); #endif