diff options
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 20b4949ab76..2dd2b8239d7 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -290,7 +290,7 @@ in the following sections. -finline-functions -finline-limit=@var{n} -fkeep-inline-functions @gol -fkeep-static-consts -fmerge-constants -fmerge-all-constants @gol -fmodulo-sched -fmove-all-movables -fnew-ra -fno-branch-count-reg @gol --fno-default-inline -fno-defer-pop @gol +-fno-default-inline -fno-defer-pop -floop-optimize2 -fmove-loop-invariants @gol -fno-function-cse -fno-guess-branch-probability @gol -fno-inline -fno-math-errno -fno-peephole -fno-peephole2 @gol -funsafe-math-optimizations -ffinite-math-only @gol @@ -4191,6 +4191,12 @@ well. Enabled at levels @option{-O}, @option{-O2}, @option{-O3}, @option{-Os}. +@item -floop-optimize2 +@opindex floop-optimize2 +Perform loop optimizations using the new loop optimizer. The optimizations +(loop unrolling, peeling and unswitching, loop invariant motion) are enabled +by separate flags. + @item -fcrossjumping @opindex crossjumping Perform cross-jumping transformation. This transformation unifies equivalent code and save code size. The @@ -4922,6 +4928,11 @@ roll much (from profile feedback). It also turns on complete loop peeling Enabled with @option{-fprofile-use}. +@item -fmove-loop-invariants +@opindex fmove-loop-invariants +Enables the loop invariant motion pass in the new loop optimizer. Enabled +at level @option{-O1} + @item -funswitch-loops @opindex funswitch-loops Move branches with loop invariant conditions out of the loop, with duplicates |