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Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index a6483e8eaa8..94c4b2ead7a 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -732,6 +732,7 @@ See S/390 and zSeries Options. -finhibit-size-directive -finstrument-functions @gol -fno-common -fno-ident @gol -fpcc-struct-return -fpic -fPIC -fpie -fPIE @gol +-fno-jump-tables @gol -freg-struct-return -fshared-data -fshort-enums @gol -fshort-double -fshort-wchar @gol -fverbose-asm -fpack-struct[=@var{n}] -fstack-check @gol @@ -12582,6 +12583,15 @@ generated position independent code can be only linked into executables. Usually these options are used when @option{-pie} GCC option will be used during linking. +@item -fno-jump-tables +@opindex fno-jump-tables +Do not use jump tables for switch statements even where it would be +more efficient than other code generation strategies. This option is +of use in conjunction with @option{-fpic} or @option{-fPIC} for +building code which forms part of a dynamic linker and cannot +reference the address of a jump table. On some targets, jump tables +do not require a GOT and this option is not needed. + @item -ffixed-@var{reg} @opindex ffixed Treat the register named @var{reg} as a fixed register; generated code |