diff options
Diffstat (limited to 'gcc/target.def')
| -rw-r--r-- | gcc/target.def | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/target.def b/gcc/target.def index a380381695d..6258b3a7bec 100644 --- a/gcc/target.def +++ b/gcc/target.def @@ -5051,6 +5051,19 @@ as SH, this hook can be used to avoid excessive spilling.", bool, (rtx subst), hook_bool_rtx_false) +/* This target hook allows the backend to legitimize base plus + displacement addressing. */ +DEFHOOK +(legitimize_address_displacement, + "A target hook which returns @code{true} if *@var{disp} is\n\ +legitimezed to valid address displacement with subtracting *@var{offset}\n\ +at memory mode @var{mode}.\n\ +The default version of this target hook returns @code{false}.\n\ +This hook will benefit machines with limited base plus displacement\n\ +addressing.", + bool, (rtx *disp, rtx *offset, machine_mode mode), + default_legitimize_address_displacement) + /* This target hook allows the backend to perform additional processing while initializing for variable expansion. */ DEFHOOK |