> diff --git a/gcc/config/riscv/riscv-ext.def b/gcc/config/riscv/riscv-ext.def
> index b9ef0c5ea05..ef8d0400f5d 100644
> --- a/gcc/config/riscv/riscv-ext.def
> +++ b/gcc/config/riscv/riscv-ext.def
> @@ -220,6 +220,19 @@ DEFINE_RISCV_EXT(
> /* BITMASK_BIT_POSITION*/ 7,
> /* EXTRA_EXTENSION_FLAGS */ 0)
>
> +DEFINE_RISCV_EXT(
> + /* NAME */ zibi,
> + /* UPPERCASE_NAME */ ZIBI,
> + /* FULL_NAME */ "Branch with immediate",
> + /* DESC */ "",
> + /* URL */ ,
> + /* DEP_EXTS */ ({}),
> + /* SUPPORTED_VERSIONS */ ({{1, 0}}),
It's 0.6 on the repo?
> diff --git a/gcc/config/riscv/riscv.md b/gcc/config/riscv/riscv.md
> index 2055e5c4a9d..38fd5d9e9ac 100644
> --- a/gcc/config/riscv/riscv.md
> +++ b/gcc/config/riscv/riscv.md
> @@ -3435,6 +3435,32 @@
> [(set_attr "type" "branch")
> (set_attr "mode" "none")])
>
> +(define_insn "*branch_zibi<mode>"
I incline this merge with *branch<mode> pattern and then split that
into eqne and others
(e.g. *branch<mode>_eqne *branch<mode>_relational_comparison)
and control the zibi by `ext` attribute
> + [(set (pc)
> + (if_then_else
> + (match_operator 1 "equality_operator"
> + [(match_operand:X 2 "register_operand" "r")
> + (match_operand:X 3 "zibi_cimm_operand" "zibi")])
> + (label_ref (match_operand 0 "" ""))
> + (pc)))]
