diff options
Diffstat (limited to 'gcc/target.def')
| -rw-r--r-- | gcc/target.def | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/target.def b/gcc/target.def index 6b4226c..68a46aa 100644 --- a/gcc/target.def +++ b/gcc/target.def @@ -2726,6 +2726,15 @@ DEFHOOK rtx, (rtx_insn **prep_seq, rtx_insn **gen_seq, rtx prev, int cmp_code, tree op0, tree op1, int bit_code), NULL) +DEFHOOK +(gen_memset_scratch_rtx, + "This hook should return an rtx for a scratch register in @var{mode} to\n\ +be used when expanding memset calls. The backend can use a hard scratch\n\ +register to avoid stack realignment when expanding memset. The default\n\ +is @code{gen_reg_rtx}.", + rtx, (machine_mode mode), + gen_reg_rtx) + /* Return a new value for loop unroll size. */ DEFHOOK (loop_unroll_adjust, |