re PR target/27863 (ICE in check_cfg, at haifa-sched.c:4615)
2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru> PR target/27863 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic block boundaries. From-SVN: r114484
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@ -1,3 +1,9 @@
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2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
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PR target/27863
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* haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
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block boundaries.
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2006-06-08 Richard Guenther <rguenther@suse.de>
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PR middle-end/27116
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@ -1243,12 +1243,22 @@ unlink_other_notes (rtx insn, rtx tail)
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while (insn != tail && NOTE_NOT_BB_P (insn))
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{
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rtx next = NEXT_INSN (insn);
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basic_block bb = BLOCK_FOR_INSN (insn);
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/* Delete the note from its current position. */
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if (prev)
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NEXT_INSN (prev) = next;
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if (next)
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PREV_INSN (next) = prev;
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/* Basic block can begin with either LABEL or
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NOTE_INSN_BASIC_BLOCK. */
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gcc_assert (BB_HEAD (bb) != insn);
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/* Check if we are removing last insn in the BB. */
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if (BB_END (bb) == insn)
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BB_END (bb) = prev;
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/* See sched_analyze to see how these are handled. */
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if (NOTE_LINE_NUMBER (insn) != NOTE_INSN_EH_REGION_BEG
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&& NOTE_LINE_NUMBER (insn) != NOTE_INSN_EH_REGION_END)
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@ -1279,12 +1289,22 @@ unlink_line_notes (rtx insn, rtx tail)
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if (write_symbols != NO_DEBUG && NOTE_LINE_NUMBER (insn) > 0)
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{
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basic_block bb = BLOCK_FOR_INSN (insn);
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/* Delete the note from its current position. */
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if (prev)
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NEXT_INSN (prev) = next;
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if (next)
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PREV_INSN (next) = prev;
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/* Basic block can begin with either LABEL or
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NOTE_INSN_BASIC_BLOCK. */
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gcc_assert (BB_HEAD (bb) != insn);
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/* Check if we are removing last insn in the BB. */
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if (BB_END (bb) == insn)
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BB_END (bb) = prev;
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/* Record line-number notes so they can be reused. */
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LINE_NOTE (insn) = insn;
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}
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