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comparison src/cpu/sparc/vm/sparc.ad @ 1016:d40f03b57795

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6890984: Comparison of 2 arrays could cause VM crash Summary: Restore original null checks. Reviewed-by: never, cfang
author kvn
date Wed, 14 Oct 2009 15:03:32 -0700
parents 1ce3281a8e93
children f875b4f472f7
comparison
equal deleted inserted replaced
1015:23862fc517bb 1016:d40f03b57795
3014 int length_offset = arrayOopDesc::length_offset_in_bytes(); 3014 int length_offset = arrayOopDesc::length_offset_in_bytes();
3015 int base_offset = arrayOopDesc::base_offset_in_bytes(T_CHAR); 3015 int base_offset = arrayOopDesc::base_offset_in_bytes(T_CHAR);
3016 3016
3017 // return true if the same array 3017 // return true if the same array
3018 __ cmp(ary1_reg, ary2_reg); 3018 __ cmp(ary1_reg, ary2_reg);
3019 __ br(Assembler::equal, true, Assembler::pn, Ldone); 3019 __ brx(Assembler::equal, true, Assembler::pn, Ldone);
3020 __ delayed()->add(G0, 1, result_reg); // equal 3020 __ delayed()->add(G0, 1, result_reg); // equal
3021 3021
3022 __ br_null(ary1_reg, true, Assembler::pn, Ldone); 3022 __ br_null(ary1_reg, true, Assembler::pn, Ldone);
3023 __ delayed()->mov(G0, result_reg); // not equal 3023 __ delayed()->mov(G0, result_reg); // not equal
3024 3024