diff options
Diffstat (limited to 'gas/doc')
| -rw-r--r-- | gas/doc/c-i386.texi | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gas/doc/c-i386.texi b/gas/doc/c-i386.texi index 9c0e52c..dc276b8 100644 --- a/gas/doc/c-i386.texi +++ b/gas/doc/c-i386.texi @@ -114,7 +114,12 @@ In addition to the basic instruction set, the assembler can be told to accept various extension mnemonics. For example, @code{-march=i686+sse4+vmx} extends @var{i686} with @var{sse4} and @var{vmx}. The following extensions are currently supported: +@code{8087}, +@code{287}, +@code{387}, +@code{no87}, @code{mmx}, +@code{nommx}, @code{sse}, @code{sse2}, @code{sse3}, @@ -122,7 +127,9 @@ accept various extension mnemonics. For example, @code{sse4.1}, @code{sse4.2}, @code{sse4}, +@code{nosse}, @code{avx}, +@code{noavx}, @code{vmx}, @code{smx}, @code{xsave}, @@ -141,6 +148,8 @@ accept various extension mnemonics. For example, @code{svme}, @code{abm} and @code{padlock}. +Note that rather than extending a basic instruction set, the extension +mnemonics starting with @code{no} revoke the respective functionality. When the @code{.arch} directive is used with @option{-march}, the @code{.arch} directive will take precedent. |