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Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/invoke.texi | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index f52b643..f12124c 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -7766,6 +7766,13 @@ lower quality register allocation algorithm will be used. The algorithm do not use pseudo-register conflicts. The default value of the parameter is 2000. +@item loop-invariant-max-bbs-in-loop +Loop invariant motion can be very expensive, both in compile time and +in amount of needed compile time memory, with very large loops. Loops +with more basic blocks than this parameter won't have loop invariant +motion optimization performed on them. The default value of the +parameter is 1000 for -O1 and 10000 for -O2 and above. + @end table @end table |