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| author | Segher Boessenkool <segher@kernel.crashing.org> | 2021-04-17 18:06:17 +0000 |
|---|---|---|
| committer | Segher Boessenkool <segher@kernel.crashing.org> | 2021-04-18 15:01:13 +0000 |
| commit | b412ce8e961052e6becea3bc783a53e1d5feaa0f (patch) | |
| tree | 8b12ec63c1ef33276bbc7bfbb839bd27ffc20f85 /libcpp | |
| parent | da946b41be521adb68bbe8695563b380cd8b3243 (diff) | |
| download | gcc-b412ce8e961052e6becea3bc783a53e1d5feaa0f.zip gcc-b412ce8e961052e6becea3bc783a53e1d5feaa0f.tar.gz gcc-b412ce8e961052e6becea3bc783a53e1d5feaa0f.tar.bz2 | |
combine: Don't create REG_UNUSED notes if the reg already died (PR99927)
If the register named in an existing REG_UNUSED note dies somewhere
between where the note used to be and I3, we should just drop it.
2021-04-21 Segher Boessenkool <segher@kernel.crashing.org>
PR rtl-optimization/99927
* combine.c (distribute_notes) [REG_UNUSED]: If the register already
is dead, just drop it.
Diffstat (limited to 'libcpp')
0 files changed, 0 insertions, 0 deletions