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8004713: Stackoverflowerror thrown when thread stack straddles 0x80000000

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Use unsigned comparison when checking for stack overflow

Reviewed-by: kvn, twisti
This commit is contained in:
Paul Nauman 2012-12-13 17:27:55 -08:00 • committed by Vladimir Kozlov
parent 04fee0b792
commit 0d7c6381b3
1 changed files with 1 additions and 1 deletions
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hotspot/src/cpu/sparc/vm/templateInterpreter_sparc.cpp
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@ -434,7 +434,7 @@ void TemplateInterpreterGenerator::generate_stack_overflow_check(Register Rframe
// the frame is greater than one page in size, so check against
// the bottom of the stack
__ cmp_and_brx_short(SP, Rscratch, Assembler::greater, Assembler::pt, after_frame_check);
__ cmp_and_brx_short(SP, Rscratch, Assembler::greaterUnsigned, Assembler::pt, after_frame_check);
// the stack will overflow, throw an exception