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| author | J"orn Rennecke <amylaar@redhat.com> | 2000-11-29 00:25:08 +0000 |
|---|---|---|
| committer | Joern Rennecke <amylaar@gcc.gnu.org> | 2000-11-29 00:25:08 +0000 |
| commit | f423a6a7dd5bf70b31f5618c08205975cb36a0f1 (patch) | |
| tree | ecfd2b30f8e4eb31d32f4b038e1ffe117c8f522b | |
| parent | eaf299c6ca247c0fba4007c790f61cb76cb3a083 (diff) | |
| download | gcc-f423a6a7dd5bf70b31f5618c08205975cb36a0f1.zip gcc-f423a6a7dd5bf70b31f5618c08205975cb36a0f1.tar.gz gcc-f423a6a7dd5bf70b31f5618c08205975cb36a0f1.tar.bz2 | |
jump.c (delete_insn): Check that REG_LABEL note actually contains a CODE_LABEL.
* jump.c (delete_insn): Check that REG_LABEL note actually contains
a CODE_LABEL.
From-SVN: r37835
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/jump.c | 4 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index dfc9b7a..e606be4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Wed Nov 29 00:08:23 2000 J"orn Rennecke <amylaar@redhat.com> + + * jump.c (delete_insn): Check that REG_LABEL note actually contains + a CODE_LABEL. + 2000-11-28 Neil Booth <neilb@earthling.net> * c-common.h: Remove flag_digraphs. @@ -2857,7 +2857,9 @@ delete_insn (insn) /* Likewise for an ordinary INSN / CALL_INSN with a REG_LABEL note. */ if (GET_CODE (insn) == INSN || GET_CODE (insn) == CALL_INSN) for (note = REG_NOTES (insn); note; note = XEXP (note, 1)) - if (REG_NOTE_KIND (note) == REG_LABEL) + if (REG_NOTE_KIND (note) == REG_LABEL + /* This could also be a NOTE_INSN_DELETED_LABEL note. */ + && GET_CODE (XEXP (note, 0)) == CODE_LABEL) if (--LABEL_NUSES (XEXP (note, 0)) == 0) delete_insn (XEXP (note, 0)); |