diff options
Diffstat (limited to 'gas/doc/c-i386.texi')
| -rw-r--r-- | gas/doc/c-i386.texi | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gas/doc/c-i386.texi b/gas/doc/c-i386.texi index 40120741fd..33fab1850b 100644 --- a/gas/doc/c-i386.texi +++ b/gas/doc/c-i386.texi @@ -152,6 +152,10 @@ accept various extension mnemonics. For example, @code{smap}, @code{mpx}, @code{sha}, +@code{avx512f}, +@code{avx512cd}, +@code{avx512er}, +@code{avx512pf}, @code{noavx}, @code{vmx}, @code{vmfunc}, @@ -230,6 +234,28 @@ AVX instructions with 128bit vector length, which is the default. @option{-mavxscalar=@var{256}} will encode scalar AVX instructions with 256bit vector length. +@cindex @samp{-mevexlig=} option, i386 +@cindex @samp{-mevexlig=} option, x86-64 +@item -mevexlig=@var{128} +@itemx -mevexlig=@var{256} +@itemx -mevexlig=@var{512} +These options control how the assembler should encode length-ignored +(LIG) EVEX instructions. @option{-mevexlig=@var{128}} will encode LIG +EVEX instructions with 128bit vector length, which is the default. +@option{-mevexlig=@var{256}} and @option{-mevexlig=@var{512}} will +encode LIG EVEX instructions with 256bit and 512bit vector length, +respectively. + +@cindex @samp{-mevexwig=} option, i386 +@cindex @samp{-mevexwig=} option, x86-64 +@item -mevexwig=@var{0} +@itemx -mevexwig=@var{1} +These options control how the assembler should encode w-ignored (WIG) +EVEX instructions. @option{-mevexwig=@var{0}} will encode WIG +EVEX instructions with evex.w = 0, which is the default. +@option{-mevexwig=@var{1}} will encode WIG EVEX instructions with +evex.w = 1. + @cindex @samp{-mmnemonic=} option, i386 @cindex @samp{-mmnemonic=} option, x86-64 @item -mmnemonic=@var{att} @@ -1042,6 +1068,11 @@ supported on the CPU specified. The choices for @var{cpu_type} are: @item @samp{.syscall} @tab @samp{.rdtscp} @tab @samp{.svme} @tab @samp{.abm} @item @samp{.lwp} @tab @samp{.fma4} @tab @samp{.xop} @tab @samp{.cx16} @item @samp{.padlock} +@item @samp{.smap} @tab @samp{.avx512f} @tab @samp{.avx512cd} @tab @samp{.avx512er} +@item @samp{.avx512pf} @tab @samp{.3dnow} @tab @samp{.3dnowa} @tab @samp{.sse4a} +@item @samp{.sse5} @tab @samp{.syscall} @tab @samp{.rdtscp} @tab @samp{.svme} +@item @samp{.abm} @tab @samp{.lwp} @tab @samp{.fma4} @tab @samp{.xop} +@item @samp{.cx16} @tab @samp{.padlock} @end multitable Apart from the warning, there are only two other effects on |