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| author | Martin Liska <mliska@suse.cz> | 2023-02-13 10:15:55 +0100 |
|---|---|---|
| committer | Martin Liska <mliska@suse.cz> | 2023-02-13 10:15:55 +0100 |
| commit | 9847c7531e8cab740264ac32e752e825c66f23e0 (patch) | |
| tree | 42a8be3021dad932ded39ced3942fbf0a73f3f7a /gcc/doc | |
| parent | 338739645b8e5bf34636d8d4829d7650001ad08c (diff) | |
| download | gcc-9847c7531e8cab740264ac32e752e825c66f23e0.zip gcc-9847c7531e8cab740264ac32e752e825c66f23e0.tar.gz gcc-9847c7531e8cab740264ac32e752e825c66f23e0.tar.bz2 | |
docs: document new param
gcc/ChangeLog:
* doc/invoke.texi: Document ira-simple-lra-insn-threshold.
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/invoke.texi | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 51447a7..26de582 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -15511,6 +15511,9 @@ available alternatives for preferred register class even if it has found some choice with an appropriate register class and respect the found qualified matching constraint. +@item ira-simple-lra-insn-threshold +Approximate function insn number in 1K units triggering simple local RA. + @item lra-inheritance-ebb-probability-cutoff LRA tries to reuse values reloaded in registers in subsequent insns. This optimization is called inheritance. EBB is used as a region to |