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| author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 1999-07-07 00:41:18 +0000 |
|---|---|---|
| committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 1999-07-07 00:41:18 +0000 |
| commit | 45ae827369be3d837fab8f9709bd9545fb56dde0 (patch) | |
| tree | 9e89c35c3956088532fa545bd8fdeca3e2c5e015 /gcc/unroll.c | |
| parent | 2dd6bda3a06417e6bec7b5c6c92558154f90e9d8 (diff) | |
| download | ppe42-gcc-45ae827369be3d837fab8f9709bd9545fb56dde0.tar.gz ppe42-gcc-45ae827369be3d837fab8f9709bd9545fb56dde0.zip | |
8
* unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@27984 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/unroll.c')
| -rw-r--r-- | gcc/unroll.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/unroll.c b/gcc/unroll.c index 7e584c961d0..9ac883a1d49 100644 --- a/gcc/unroll.c +++ b/gcc/unroll.c @@ -1262,7 +1262,13 @@ unroll_loop (loop_end, insn_count, loop_start, end_insert_before, insn = NEXT_INSN (copy_start); while (insn != safety_label) { - if (insn != start_label) + /* ??? We can't delete a NOTE_INSN_DELETED_LABEL unless we fix the + DECL_RTL field of the associated LABEL_DECL to point to (one of) + the new copies of the label. Otherwise, we hit an abort in + dwarfout.c/dwarf2out.c. */ + if (insn != start_label + && ! (GET_CODE (insn) == NOTE + && NOTE_LINE_NUMBER (insn) == NOTE_INSN_DELETED_LABEL)) insn = delete_insn (insn); else insn = NEXT_INSN (insn); |
