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| author | Richard Biener <rguenther@suse.de> | 2022-06-28 13:08:33 +0200 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2022-06-29 11:14:34 +0200 |
| commit | 0282c4acf720e4cc073cf95594aa890444c5ca82 (patch) | |
| tree | 8bb590df555ec5cae40d765fefbf4316c8073eaa /gcc/combine.cc | |
| parent | 2dbb45d6dc0d20dc159b3d8e27ebb6825074827a (diff) | |
| download | gcc-0282c4acf720e4cc073cf95594aa890444c5ca82.zip gcc-0282c4acf720e4cc073cf95594aa890444c5ca82.tar.gz gcc-0282c4acf720e4cc073cf95594aa890444c5ca82.tar.bz2 | |
rtl-optimization/106082 - preserve EH note for no non-local goto
The following makes sure we preserve EH notes on call insns that
indicate the call doesn't perform a non-local goto when distributing
notes after combining insns.
2022-06-28 Richard Biener <rguenther@suse.de>
PR rtl-optimization/106082
* combine.cc (distribute_notes): Preserve notes when
they indicate a call doesn't perform a non-local goto.
Diffstat (limited to 'gcc/combine.cc')
| -rw-r--r-- | gcc/combine.cc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/combine.cc b/gcc/combine.cc index a830527..a5fabf3 100644 --- a/gcc/combine.cc +++ b/gcc/combine.cc @@ -14218,8 +14218,10 @@ distribute_notes (rtx notes, rtx_insn *from_insn, rtx_insn *i3, rtx_insn *i2, gcc_assert (from_insn == i3); /* We are making sure there is a single effective REG_EH_REGION note and it's valid to put it on i3. */ - if (!insn_could_throw_p (from_insn)) - /* Throw away stra notes on insns that can never throw. */ + if (!insn_could_throw_p (from_insn) + && !(lp_nr == INT_MIN && can_nonlocal_goto (from_insn))) + /* Throw away stray notes on insns that can never throw or + make a nonlocal goto. */ ; else { |