diff options
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/invoke.texi | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index b933b2a..0063445 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -377,7 +377,7 @@ Objective-C and Objective-C++ Dialects}. -fira-region=@var{region} -fira-hoist-pressure @gol -fira-loop-pressure -fno-ira-share-save-slots @gol -fno-ira-share-spill-slots -fira-verbose=@var{n} @gol --fivopts -fkeep-inline-functions -fkeep-static-consts @gol +-fivopts -fkeep-inline-functions -fkeep-static-consts -flive-range-shrinkage @gol -floop-block -floop-interchange -floop-strip-mine -floop-nest-optimize @gol -floop-parallelize-all -flto -flto-compression-level @gol -flto-partition=@var{alg} -flto-report -flto-report-wpa -fmerge-all-constants @gol @@ -7268,6 +7268,12 @@ registers after writing to their lower 32-bit half. Enabled for x86 at levels @option{-O2}, @option{-O3}. +@item -flive-range-shrinkage +@opindex flive-range-shrinkage +Attempt to decrease register pressure through register live range +shrinkage. This is helpful for fast processors with small or moderate +size register sets. + @item -fira-algorithm=@var{algorithm} Use the specified coloring algorithm for the integrated register allocator. The @var{algorithm} argument can be @samp{priority}, which |