diff options
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index b722559..3e4f012 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -632,7 +632,8 @@ 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}]|@var{bti} @gol +-mbranch-protection=@var{none}|@var{standard}|@var{pac-ret}[+@var{leaf} ++@var{b-key}]|@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 @@ -15900,7 +15901,7 @@ 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}]|@var{bti} +@item -mbranch-protection=@var{none}|@var{standard}|@var{pac-ret}[+@var{leaf}+@var{b-key}]|@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. @@ -15911,7 +15912,8 @@ level. level: signing functions that save the return address to memory (non-leaf functions will practically always do this) using the a-key. The optional argument @samp{leaf} can be used to extend the signing to include leaf -functions. +functions. The optional argument @samp{b-key} can be used to sign the functions +with the B-key instead of the A-key. @samp{bti} turns on branch target identification mechanism. @item -msve-vector-bits=@var{bits} |