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DISCONTINUED:openSUSE:11.2:Update
gcc33
nov102315.diff
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File nov102315.diff of Package gcc33
Backport of revision 1.322.2.9 date: 2004/03/23 23:30:48; author: kazu; state: Exp; lines: +3 -0 gcc/ PR optimization/14669 * fold-const.c (fold): Only unwiden integer comparisons for equality and inequality operators, or when the signedness doesn't change. gcc/testsuite/ PR optimization/14669 * g++.dg/opt/fold2.C: New test case. Index: gcc/fold-const.c =================================================================== RCS file: /cvs/gcc/gcc/gcc/fold-const.c,v retrieving revision 1.322.2.8 retrieving revision 1.322.2.9 diff -c -3 -p -r1.322.2.8 -r1.322.2.9 *** gcc/fold-const.c 17 Mar 2004 04:31:07 -0000 1.322.2.8 --- gcc/fold-const.c 23 Mar 2004 23:30:48 -0000 1.322.2.9 *************** fold (tree expr) *** 7478,7483 **** --- 7478,7486 ---- else if (TREE_CODE (TREE_TYPE (arg0)) == INTEGER_TYPE && TREE_CODE (arg0) == NOP_EXPR && (tem = get_unwidened (arg0, NULL_TREE)) != arg0 + && (code == EQ_EXPR || code == NE_EXPR + || TREE_UNSIGNED (TREE_TYPE (arg0)) + == TREE_UNSIGNED (TREE_TYPE (tem))) && (t1 = get_unwidened (arg1, TREE_TYPE (tem))) != 0 && (TREE_TYPE (t1) == TREE_TYPE (tem) || (TREE_CODE (t1) == INTEGER_CST
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