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comparison src/share/vm/opto/graphKit.cpp @ 605:98cb887364d3

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6810672: Comment typos Summary: I have collected some typos I have found while looking at the code. Reviewed-by: kvn, never
author twisti
date Fri, 27 Feb 2009 13:27:09 -0800
parents dca06e7f503d
children 7bb995fbd3c0 c517646eef23
comparison
equal deleted inserted replaced
604:ec59443af135 605:98cb887364d3
1146 BoolTest::mask btest = assert_null ? BoolTest::eq : BoolTest::ne; 1146 BoolTest::mask btest = assert_null ? BoolTest::eq : BoolTest::ne;
1147 BoolNode *btst = new (C, 2) BoolNode( chk, btest); 1147 BoolNode *btst = new (C, 2) BoolNode( chk, btest);
1148 Node *tst = _gvn.transform( btst ); 1148 Node *tst = _gvn.transform( btst );
1149 1149
1150 //----------- 1150 //-----------
1151 // if peephole optimizations occured, a prior test existed. 1151 // if peephole optimizations occurred, a prior test existed.
1152 // If a prior test existed, maybe it dominates as we can avoid this test. 1152 // If a prior test existed, maybe it dominates as we can avoid this test.
1153 if (tst != btst && type == T_OBJECT) { 1153 if (tst != btst && type == T_OBJECT) {
1154 // At this point we want to scan up the CFG to see if we can 1154 // At this point we want to scan up the CFG to see if we can
1155 // find an identical test (and so avoid this test altogether). 1155 // find an identical test (and so avoid this test altogether).
1156 Node *cfg = control(); 1156 Node *cfg = control();
1194 // must-be-null assertion has failed. This could cause performance 1194 // must-be-null assertion has failed. This could cause performance
1195 // problems for a method after its first do_null_assert failure. 1195 // problems for a method after its first do_null_assert failure.
1196 // Consider using 'Reason_class_check' instead? 1196 // Consider using 'Reason_class_check' instead?
1197 1197
1198 // To cause an implicit null check, we set the not-null probability 1198 // To cause an implicit null check, we set the not-null probability
1199 // to the maximum (PROB_MAX). For an explicit check the probablity 1199 // to the maximum (PROB_MAX). For an explicit check the probability
1200 // is set to a smaller value. 1200 // is set to a smaller value.
1201 if (null_control != NULL || too_many_traps(reason)) { 1201 if (null_control != NULL || too_many_traps(reason)) {
1202 // probability is less likely 1202 // probability is less likely
1203 ok_prob = PROB_LIKELY_MAG(3); 1203 ok_prob = PROB_LIKELY_MAG(3);
1204 } else if (!assert_null && 1204 } else if (!assert_null &&