Karl Meakin writes:
> diff --git a/gcc/config/aarch64/aarch64.cc b/gcc/config/aarch64/aarch64.cc
> index be5a97294dd..1d4ae73a963 100644
> --- a/gcc/config/aarch64/aarch64.cc
> +++ b/gcc/config/aarch64/aarch64.cc
> @@ -944,16 +944,50 @@ static const char *
> svpattern_token (enum aarch64_svpatter
Add rules for lowering `cbranch4` to CBB/CBH/CB when
CMPBR extension is enabled.
gcc/ChangeLog:
* config/aarch64/aarch64.md (BRANCH_LEN_P_1Kib): New constant.
(BRANCH_LEN_N_1Kib): Likewise.
(cbranch4): Emit CMPBR instructions if possible.
(cbranch4): New expand rul
