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Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index f245055..d24e75b 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -482,6 +482,7 @@ Objective-C and Objective-C++ Dialects}. -mlinked-fp -mlong-calls -malign-labels @gol -mlibrary-pic -macc-4 -macc-8 @gol -mpack -mno-pack -mno-eflags -mcond-move -mno-cond-move @gol +-moptimize-membar -mno-optimize-membar @gol -mscc -mno-scc -mcond-exec -mno-cond-exec @gol -mvliw-branch -mno-vliw-branch @gol -mmulti-cond-exec -mno-multi-cond-exec -mnested-cond-exec @gol @@ -8526,6 +8527,18 @@ Disable nested conditional execution optimizations. This switch is mainly for debugging the compiler and will likely be removed in a future version. +@item -moptimize-membar +@opindex moptimize-membar + +This switch removes redundant @code{membar} instructions from the +compiler generated code. It is enabled by default. + +@item -mno-optimize-membar +@opindex mno-optimize-membar + +This switch disables the automatic removal of redundant @code{membar} +instructions from the generated code. + @item -mtomcat-stats @opindex mtomcat-stats |