diff options
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index ce614b453dc..a30231d7c03 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -12957,7 +12957,10 @@ more feature modifiers. This option has the form @option{-march=@var{arch}@r{@{}+@r{[}no@r{]}@var{feature}@r{@}*}}. The permissible values for @var{arch} are @samp{armv8-a}, -@samp{armv8.1-a} or @var{native}. +@samp{armv8.1-a}, @samp{armv8.2-a} or @var{native}. + +The value @samp{armv8.2-a} implies @samp{armv8.1-a} and enables compiler +support for the ARMv8.2-A architecture extensions. The value @samp{armv8.1-a} implies @samp{armv8-a} and enables compiler support for the ARMv8.1 architecture extension. In particular, it @@ -13064,6 +13067,8 @@ instructions. This is on by default for all possible values for options @item lse Enable Large System Extension instructions. This is on by default for @option{-march=armv8.1-a}. +@item fp16 +Enable FP16 extension. This also enables floating-point instructions. @end table |