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| author | Aaron Sawdey <acsawdey@linux.ibm.com> | 2019-02-15 15:41:25 +0000 |
|---|---|---|
| committer | Aaron Sawdey <acsawdey@gcc.gnu.org> | 2019-02-15 09:41:25 -0600 |
| commit | 0a3d52ddee038a5b11eda5697f12d28019d83041 (patch) | |
| tree | dd835a03357adc87fcc129a78ee36a452d2bb38b /gcc | |
| parent | a72128258b86afd0a6a2ddeecea213a74b1e580e (diff) | |
| download | gcc-0a3d52ddee038a5b11eda5697f12d28019d83041.zip gcc-0a3d52ddee038a5b11eda5697f12d28019d83041.tar.gz gcc-0a3d52ddee038a5b11eda5697f12d28019d83041.tar.bz2 | |
re PR rtl-optimization/88308 (ICE in maybe_record_trace_start, at dwarf2cfi.c:2309)
2019-02-15 Aaron Sawdey <acsawdey@linux.ibm.com>
PR rtl-optimization/88308
* shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
on copied instruction.
From-SVN: r268942
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/shrink-wrap.c | 7 |
2 files changed, 12 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9d13011..7d728c0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2019-02-15 Aaron Sawdey <acsawdey@linux.ibm.com> + + PR rtl-optimization/88308 + * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts + on copied instruction. + 2019-02-15 Eric Botcazou <ebotcazou@adacore.com> * final.c (insn_current_reference_address): Replace test on JUMP_P diff --git a/gcc/shrink-wrap.c b/gcc/shrink-wrap.c index e0f55ee..57124db 100644 --- a/gcc/shrink-wrap.c +++ b/gcc/shrink-wrap.c @@ -414,7 +414,12 @@ move_insn_for_shrink_wrap (basic_block bb, rtx_insn *insn, dead_debug_insert_temp (debug, DF_REF_REGNO (def), insn, DEBUG_TEMP_BEFORE_WITH_VALUE); - emit_insn_after (PATTERN (insn), bb_note (bb)); + rtx_insn *insn_copy = emit_insn_after (PATTERN (insn), bb_note (bb)); + /* Update the LABEL_NUSES count on any referenced labels. The ideal + solution here would be to actually move the instruction instead + of copying/deleting it as this loses some notations on the + insn. */ + mark_jump_label (PATTERN (insn), insn_copy, 0); delete_insn (insn); return true; } |