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jump.c (redirect_jump): If old label has no UID, don't try to delete it.

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* jump.c (redirect_jump): If old label has no UID, don't try to
	delete it.

From-SVN: r49943
This commit is contained in:
J"orn Rennecke 2002-02-21 22:48:02 +00:00 • committed by Joern Rennecke
parent a7f52356c5
commit 31fbaad438
2 changed files with 8 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
Thu Feb 21 22:43:44 2002 J"orn Rennecke <joern.rennecke@superh.com>
* jump.c (redirect_jump): If old label has no UID, don't try to
delete it.
Thu Feb 21 21:17:21 2002 J"orn Rennecke <joern.rennecke@superh.com>
* sh.md (insv): Provide byte offsets for gen_rtx_SUBREG.

4
gcc/jump.c
View file

@ -2091,7 +2091,9 @@ redirect_jump (jump, nlabel, delete_unused)
&& NOTE_LINE_NUMBER (NEXT_INSN (olabel)) == NOTE_INSN_FUNCTION_END)
emit_note_after (NOTE_INSN_FUNCTION_END, nlabel);
if (olabel && --LABEL_NUSES (olabel) == 0 && delete_unused)
if (olabel && --LABEL_NUSES (olabel) == 0 && delete_unused
/* Undefined labels will remain outside the insn stream. */
&& INSN_UID (olabel))
delete_related_insns (olabel);
return 1;