Hi
This patch add the missing documentation bits for -mbranch-protection in
both extend.texi and invoke.texi.
Is this ok for trunk?
Sudi
*** gcc/ChangeLog ***
2019-xx-xx Sudakshina Das <sudi....@arm.com>
* doc/extend.texi: Add deprecated comment on sign-return-address
function attribute and add mbranch-protection.
* doc/invoke.texi: Add bti to the options for mbranch-protection.
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index ef7adb6a9c0fe1abd769e237fd8d0ce4c614aef8..7e1c28182138aeba163e50f5b7ed60812c1dfe27 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -3925,7 +3925,15 @@ same as for the @option{-mcpu=} command-line option.
@cindex @code{sign-return-address} function attribute, AArch64
Select the function scope on which return address signing will be applied. The
behavior and permissible arguments are the same as for the command-line option
-@option{-msign-return-address=}. The default value is @code{none}.
+@option{-msign-return-address=}. The default value is @code{none}. This
+attribute is @code{deprecated}. The @code{branch-protection} attribute should
+be used instead.
+
+@item branch-protection
+@cindex @code{branch-protection} function attribute, AArch64
+Select the function scope on which branch protection will be applied. The
+behavior and permissible arguments are the same as for the command-line option
+@option{-mbranch-protection=}. The default value is @code{none}.
@end table
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 029b33a688060a558bb7b78312f090c64e6d0a4a..27b51aaab99680180f46383e5a4b22f7f3ceea91 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -632,7 +632,7 @@ Objective-C and Objective-C++ Dialects}.
-mlow-precision-recip-sqrt -mlow-precision-sqrt -mlow-precision-div @gol
-mpc-relative-literal-loads @gol
-msign-return-address=@var{scope} @gol
--mbranch-protection=@var{none}|@var{standard}|@var{pac-ret}[+@var{leaf}] @gol
+-mbranch-protection=@var{none}|@var{standard}|@var{pac-ret}[+@var{leaf}]|@var{bti} @gol
-march=@var{name} -mcpu=@var{name} -mtune=@var{name} @gol
-moverride=@var{string} -mverbose-cost-dump @gol
-mstack-protector-guard=@var{guard} -mstack-protector-guard-reg=@var{sysreg} @gol
@@ -15884,7 +15884,7 @@ functions, and @samp{all}, which enables pointer signing for all functions. The
default value is @samp{none}. This option has been deprecated by
-mbranch-protection.
-@item -mbranch-protection=@var{none}|@var{standard}|@var{pac-ret}[+@var{leaf}]
+@item -mbranch-protection=@var{none}|@var{standard}|@var{pac-ret}[+@var{leaf}]|@var{bti}
@opindex mbranch-protection
Select the branch protection features to use.
@samp{none} is the default and turns off all types of branch protection.
