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--- a/src/gcc/doc/invoke.texi
+++ b/src/gcc/doc/invoke.texi
@@ -637,7 +637,7 @@ Objective-C and Objective-C++ Dialects}.
-mveclibabi=@var{type} -mvect8-ret-in-mem @gol
-mpc32 -mpc64 -mpc80 -mstackrealign @gol
-momit-leaf-frame-pointer -mno-red-zone -mno-tls-direct-seg-refs @gol
--mcmodel=@var{code-model} -mabi=@var{name} @gol
+-mcmodel=@var{code-model} -mabi=@var{name} -maddress-mode=@var{mode} @gol
-m32 -m64 -mx32 -mlarge-data-threshold=@var{num} @gol
-msse2avx -mfentry -m8bit-idiv @gol
-mavx256-split-unaligned-load -mavx256-split-unaligned-store}
@@ -13577,6 +13577,12 @@ Attempt to keep the stack boundary aligned to a 2 raised to @var{num}
byte boundary. If @option{-mpreferred-stack-boundary} is not specified,
the default is 4 (16 bytes or 128 bits).
+@strong{Warning:} When generating code for the x86-64 architecture with
+SSE extensions disabled, @option{-mpreferred-stack-boundary=3} can be
+used to keep the stack boundary aligned to 8 byte boundary. You must
+build all modules with @option{-mpreferred-stack-boundary=3}, including
+any libraries. This includes the system libraries and startup modules.
+
@item -mincoming-stack-boundary=@var{num}
@opindex mincoming-stack-boundary
Assume the incoming stack is aligned to a 2 raised to @var{num} byte
@@ -13975,6 +13981,18 @@ be statically or dynamically linked.
@opindex mcmodel=large
Generate code for the large model: This model makes no assumptions
about addresses and sizes of sections.
+
+@item -maddress-mode=long
+@opindex maddress-mode=long
+Generate code for long address mode. This is only supported for 64-bit
+and x32 environments. It is the default address mode for 64-bit
+environments.
+
+@item -maddress-mode=short
+@opindex maddress-mode=short
+Generate code for short address mode. This is only supported for 32-bit
+and x32 environments. It is the default address mode for 32-bit and
+x32 environments.
@end table
@node i386 and x86-64 Windows Options
--- a/src/gcc/doc/options.texi
+++ b/src/gcc/doc/options.texi
@@ -346,8 +346,6 @@ the value 1 when the option is active and 0 otherwise. If you use @code{Var}
to attach the option to a different variable, the associated macros are
called @code{OPTION_MASK_@var{name}} and @code{OPTION_@var{name}} respectively.
-You can disable automatic bit allocation using @code{MaskExists}.
-
@item InverseMask(@var{othername})
@itemx InverseMask(@var{othername}, @var{thisname})
The option is the inverse of another option that has the
@@ -355,15 +353,6 @@ The option is the inverse of another option that has the
the options-processing script will declare a @code{TARGET_@var{thisname}}
macro that is 1 when the option is active and 0 otherwise.
-@item MaskExists
-The mask specified by the @code{Mask} property already exists.
-No @code{MASK} or @code{TARGET} definitions should be added to
-@file{options.h} in response to this option record.
-
-The main purpose of this property is to support synonymous options.
-The first option should use @samp{Mask(@var{name})} and the others
-should use @samp{Mask(@var{name}) MaskExists}.
-
@item Enum(@var{name})
The option's argument is a string from the set of strings associated
with the corresponding @samp{Enum} record. The string is checked and
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