diff options
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 9e92133..aaafff2 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -6338,7 +6338,8 @@ by @option{-O2} and also turns on the @option{-finline-functions}, @option{-fgcse-after-reload}, @option{-ftree-loop-vectorize}, @option{-ftree-loop-distribute-patterns}, @option{-fsplit-paths} @option{-ftree-slp-vectorize}, @option{-fvect-cost-model}, -@option{-ftree-partial-pre} and @option{-fipa-cp-clone} options. +@option{-ftree-partial-pre}, @option{-fpeel-loops} +and @option{-fipa-cp-clone} options. @item -O0 @opindex O0 @@ -8661,10 +8662,11 @@ the loop is entered. This usually makes programs run more slowly. @item -fpeel-loops @opindex fpeel-loops Peels loops for which there is enough information that they do not -roll much (from profile feedback). It also turns on complete loop peeling -(i.e.@: complete removal of loops with small constant number of iterations). +roll much (from profile feedback or static analysis). It also turns on +complete loop peeling (i.e.@: complete removal of loops with small constant +number of iterations). -Enabled with @option{-fprofile-use}. +Enabled with @option{-O3} and/or @option{-fprofile-use}. @item -fmove-loop-invariants @opindex fmove-loop-invariants |