diff options
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/invoke.texi | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index e21d8a5..f4fc303 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -698,6 +698,7 @@ Objective-C and Objective-C++ Dialects}. -msign-return-address=@var{scope} @gol -mbranch-protection=@var{none}|@var{standard}|@var{pac-ret}[+@var{leaf} +@var{b-key}]|@var{bti} @gol +-mharden-sls=@var{opts} @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 @@ -17367,6 +17368,17 @@ 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 -mharden-sls=@var{opts} +@opindex mharden-sls +Enable compiler hardening against straight line speculation (SLS). +@var{opts} is a comma-separated list of the following options: +@table @samp +@item retbr +@item blr +@end table +In addition, @samp{-mharden-sls=all} enables all SLS hardening while +@samp{-mharden-sls=none} disables all SLS hardening. + @item -msve-vector-bits=@var{bits} @opindex msve-vector-bits Specify the number of bits in an SVE vector register. This option only has |