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@ -4,6 +4,7 @@ Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
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* flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
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block records so that merge_blocks_nomove will clean up correctly.
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(split_edge): Handle casesi insns.
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Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
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13
gcc/flow.c
13
gcc/flow.c
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@ -1484,6 +1484,19 @@ split_edge (edge_in)
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--LABEL_NUSES (old_label);
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++LABEL_NUSES (new_label);
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}
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/* Handle casesi dispatch insns */
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if ((tmp = single_set (insn)) != NULL
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&& SET_DEST (tmp) == pc_rtx
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&& GET_CODE (SET_SRC (tmp)) == IF_THEN_ELSE
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&& GET_CODE (XEXP (SET_SRC (tmp), 2)) == LABEL_REF
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&& XEXP (XEXP (SET_SRC (tmp), 2), 0) == old_label)
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{
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XEXP (SET_SRC (tmp), 2) = gen_rtx_LABEL_REF (VOIDmode,
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new_label);
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--LABEL_NUSES (old_label);
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++LABEL_NUSES (new_label);
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}
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}
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else
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{
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