Hi Kito, On Thu, Sep 23, 2021 at 9:57 AM Kito Cheng <kito.ch...@sifive.com> wrote: > > 2021-09-23 Kito Cheng <kito.ch...@sifive.com> > > gcc/ChangeLog: > > * common/config/riscv/riscv-common.c (riscv_ext_version_table): > Add zba, zbb, zbc and zbs. > (riscv_ext_flag_table): Ditto. > * config/riscv/riscv-opts.h (MASK_ZBA): New. > (MASK_ZBB): Ditto. > (MASK_ZBC): Ditto. > (MASK_ZBS): Ditto. > (TARGET_ZBA): Ditto. > (TARGET_ZBB): Ditto. > (TARGET_ZBC): Ditto. > (TARGET_ZBS): Ditto. > * config/riscv/riscv.opt (riscv_zb_subext): New. > --- > gcc/common/config/riscv/riscv-common.c | 10 ++++++++++ > gcc/config/riscv/riscv-opts.h | 10 ++++++++++ > gcc/config/riscv/riscv.opt | 3 +++ > 3 files changed, 23 insertions(+) > > diff --git a/gcc/common/config/riscv/riscv-common.c > b/gcc/common/config/riscv/riscv-common.c > index 10868fd417d..37b6ea80086 100644 > --- a/gcc/common/config/riscv/riscv-common.c > +++ b/gcc/common/config/riscv/riscv-common.c > @@ -101,6 +101,11 @@ static const struct riscv_ext_version > riscv_ext_version_table[] = > {"zifencei", ISA_SPEC_CLASS_20191213, 2, 0}, > {"zifencei", ISA_SPEC_CLASS_20190608, 2, 0}, > > + {"zba", ISA_SPEC_CLASS_NONE, 1, 0}, > + {"zbb", ISA_SPEC_CLASS_NONE, 1, 0}, > + {"zbc", ISA_SPEC_CLASS_NONE, 1, 0}, > + {"zbs", ISA_SPEC_CLASS_NONE, 1, 0},
I think this needs another specification class (there is a specification for the instructions and it is in public review). Proposal: ISA_SPEC_CLASS_FROZEN_2021 BR Christoph > + > /* Terminate the list. */ > {NULL, ISA_SPEC_CLASS_NONE, 0, 0} > }; > @@ -906,6 +911,11 @@ static const riscv_ext_flag_table_t > riscv_ext_flag_table[] = > {"zicsr", &gcc_options::x_riscv_zi_subext, MASK_ZICSR}, > {"zifencei", &gcc_options::x_riscv_zi_subext, MASK_ZIFENCEI}, > > + {"zba", &gcc_options::x_riscv_zb_subext, MASK_ZBA}, > + {"zbb", &gcc_options::x_riscv_zb_subext, MASK_ZBB}, > + {"zbc", &gcc_options::x_riscv_zb_subext, MASK_ZBC}, > + {"zbs", &gcc_options::x_riscv_zb_subext, MASK_ZBS}, > + > {NULL, NULL, 0} > }; > > diff --git a/gcc/config/riscv/riscv-opts.h b/gcc/config/riscv/riscv-opts.h > index f4cf6ca4b82..2efc4b80f1f 100644 > --- a/gcc/config/riscv/riscv-opts.h > +++ b/gcc/config/riscv/riscv-opts.h > @@ -73,4 +73,14 @@ enum stack_protector_guard { > #define TARGET_ZICSR ((riscv_zi_subext & MASK_ZICSR) != 0) > #define TARGET_ZIFENCEI ((riscv_zi_subext & MASK_ZIFENCEI) != 0) > > +#define MASK_ZBA (1 << 0) > +#define MASK_ZBB (1 << 1) > +#define MASK_ZBC (1 << 2) > +#define MASK_ZBS (1 << 3) > + > +#define TARGET_ZBA ((riscv_zb_subext & MASK_ZBA) != 0) > +#define TARGET_ZBB ((riscv_zb_subext & MASK_ZBB) != 0) > +#define TARGET_ZBC ((riscv_zb_subext & MASK_ZBC) != 0) > +#define TARGET_ZBS ((riscv_zb_subext & MASK_ZBS) != 0) > + > #endif /* ! GCC_RISCV_OPTS_H */ > diff --git a/gcc/config/riscv/riscv.opt b/gcc/config/riscv/riscv.opt > index 5ff85c21430..15bf89e17c2 100644 > --- a/gcc/config/riscv/riscv.opt > +++ b/gcc/config/riscv/riscv.opt > @@ -195,6 +195,9 @@ long riscv_stack_protector_guard_offset = 0 > TargetVariable > int riscv_zi_subext > > +TargetVariable > +int riscv_zb_subext > + > Enum > Name(isa_spec_class) Type(enum riscv_isa_spec_class) > Supported ISA specs (for use with the -misa-spec= option): > -- > 2.33.0 >