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re PR middle-end/8866 (Bug in switch statement code generation -- missing label)

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PR middle-end/8866
	* cfgtrl.c (try_redirect_by_replacing_jump): Do not delete
	jumptables.

	PR middle-end/8866
	* libjava.lang/PR8866.java: New test.

From-SVN: r65698
This commit is contained in:
Mark Mitchell 2003-04-16 20:39:12 +00:00 committed by Mark Mitchell
parent 1cdbd6309a
commit f2d80e7e81
4 changed files with 36 additions and 8 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2003-04-16 Mark Mitchell <mark@codesourcery.com>
PR middle-end/8866
* cfgtrl.c (try_redirect_by_replacing_jump): Do not delete
jumptables.
2003-04-16 Richard Henderson <rth@redhat.com>
* config/ia64/ia64.c (sdata_symbolic_operand): Use

11
gcc/cfgrtl.c
View File

@ -731,7 +731,7 @@ try_redirect_by_replacing_jump (e, target)
else
{
rtx target_label = block_label (target);
rtx barrier, label, table;
rtx barrier;
emit_jump_insn_after (gen_jump (target_label), insn);
JUMP_LABEL (src->end) = target_label;
@ -740,15 +740,10 @@ try_redirect_by_replacing_jump (e, target)
fprintf (rtl_dump_file, "Replacing insn %i by jump %i\n",
INSN_UID (insn), INSN_UID (src->end));
/* Remove the original jump. If INSN is a tablejump, the jump
table will be removed later, if it is no longer needed. */
delete_insn_chain (kill_from, insn);
/* Recognize a tablejump that we are converting to a
simple jump and remove its associated CODE_LABEL
and ADDR_VEC or ADDR_DIFF_VEC. */
if (tablejump_p (insn, &label, &table))
delete_insn_chain (label, table);
barrier = next_nonnote_insn (src->end);
if (!barrier || GET_CODE (barrier) != BARRIER)
emit_barrier_after (src->end);

5
libjava/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2003-04-16 Mark Mitchell <mark@codesourcery.com>
PR middle-end/8866
* libjava.lang/PR8866.java: New test.
2003-04-16 Andrew Haley <aph@redhat.com>
* libjava.lang/Throw_2.java (main): Make a successful test produce

22
libjava/testsuite/libjava.lang/PR8866.java Normal file
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@ -0,0 +1,22 @@
public class PR8866
{
public static void main (String args[])
{
String attTypeString = "";
switch (args.length) {
case 1:
attTypeString = "string";
case 4:
attTypeString = "ID";;
case 5:
attTypeString = "IDREF";;
case 6:
attTypeString = "NMTOKEN";;
case 7:
attTypeString = "NOTATION";;
default:
;
}
}
}