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Diffstat (limited to 'gas/doc')
| -rw-r--r-- | gas/doc/c-i386.texi | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gas/doc/c-i386.texi b/gas/doc/c-i386.texi index c1631c2..0c2e134 100644 --- a/gas/doc/c-i386.texi +++ b/gas/doc/c-i386.texi @@ -291,6 +291,18 @@ if such prefix was not explicitly specified in the source code. On x86-64 PE/COFF target this option forces the use of big object file format, which allows more than 32768 sections. +@cindex @samp{-momit-lock-prefix=} option, i386 +@cindex @samp{-momit-lock-prefix=} option, x86-64 +@item -momit-lock-prefix=@var{no} +@itemx -momit-lock-prefix=@var{yes} +These options control how the assembler should encode lock prefix. +This option is intended as a workaround for processors, that fail on +lock prefix. This option can only be safely used with single-core, +single-thread computers +@option{-momit-lock-prefix=@var{yes}} will omit all lock prefixes. +@option{-momit-lock-prefix=@var{no}} will encode lock prefix as usual, +which is the default. + @end table @c man end |