ifcvt.c (find_if_block): Move the check for the number of edges above the loops checking for complex edges.
2004-11-18 Andrew Pinski <pinskia@physics.uc.edu> * ifcvt.c (find_if_block): Move the check for the number of edges above the loops checking for complex edges. Remove the counting of edges as we use EDGE_COUNT now. From-SVN: r90865
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@ -1,3 +1,9 @@
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2004-11-18 Andrew Pinski <pinskia@physics.uc.edu>
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* ifcvt.c (find_if_block): Move the check for the number of edges
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above the loops checking for complex edges.
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Remove the counting of edges as we use EDGE_COUNT now.
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2004-11-18 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.comn>
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* config/m32r/linux.h (TARGET_ASM_FILE_END): Set
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34
gcc/ifcvt.c
34
gcc/ifcvt.c
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@ -2445,8 +2445,6 @@ find_if_block (struct ce_if_block * ce_info)
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basic_block then_bb = ce_info->then_bb;
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basic_block else_bb = ce_info->else_bb;
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basic_block join_bb = NULL_BLOCK;
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int then_predecessors;
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int else_predecessors;
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edge cur_edge;
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basic_block next;
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edge_iterator ei;
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@ -2511,27 +2509,23 @@ find_if_block (struct ce_if_block * ce_info)
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}
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}
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/* Count the number of edges the THEN and ELSE blocks have. */
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then_predecessors = 0;
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FOR_EACH_EDGE (cur_edge, ei, then_bb->preds)
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{
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then_predecessors++;
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if (cur_edge->flags & EDGE_COMPLEX)
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return FALSE;
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}
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else_predecessors = 0;
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FOR_EACH_EDGE (cur_edge, ei, else_bb->preds)
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{
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else_predecessors++;
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if (cur_edge->flags & EDGE_COMPLEX)
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return FALSE;
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}
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/* The THEN block of an IF-THEN combo must have exactly one predecessor,
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other than any || blocks which jump to the THEN block. */
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if ((then_predecessors - ce_info->num_or_or_blocks) != 1)
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if ((EDGE_COUNT (then_bb->preds) - ce_info->num_or_or_blocks) != 1)
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return FALSE;
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/* The edges of the THEN and ELSE blocks cannot have complex edges. */
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FOR_EACH_EDGE (cur_edge, ei, then_bb->preds)
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{
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if (cur_edge->flags & EDGE_COMPLEX)
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return FALSE;
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}
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FOR_EACH_EDGE (cur_edge, ei, else_bb->preds)
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{
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if (cur_edge->flags & EDGE_COMPLEX)
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return FALSE;
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}
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/* The THEN block of an IF-THEN combo must have zero or one successors. */
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if (EDGE_COUNT (then_bb->succs) > 0
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