On Mon, Dec 16, 2024 at 10:58 PM Dongyan Chen
<chendong...@isrc.iscas.ac.cn> wrote:
>
> This patch support zilsd and zclsd[1] extensions.
> To enable GCC to recognize and process zilsd and zclsd extension correctly at
> compile time.
>
> [1] https://github.com/riscv/riscv-zilsd
>
> gcc/ChangeLog:
>
> * common/config/riscv/riscv-common.cc
> (riscv_subset_list::check_conflict_ext): New extension.
> * common/config/riscv/riscv-ext-bitmask.def (RISCV_EXT_BITMASK):
> Ditto.
> * config/riscv/riscv.opt: Ditto.
>
> gcc/testsuite/ChangeLog:
>
> * gcc.target/riscv/arch-45.c: New test.
> * gcc.target/riscv/arch-46.c: New test.
> * gcc.target/riscv/arch-47.c: New test.
>
> ---
> gcc/common/config/riscv/riscv-common.cc | 17 +++++++++++++++++
> gcc/common/config/riscv/riscv-ext-bitmask.def | 2 ++
> gcc/config/riscv/riscv.opt | 4 ++++
> gcc/testsuite/gcc.target/riscv/arch-45.c | 5 +++++
> gcc/testsuite/gcc.target/riscv/arch-46.c | 6 ++++++
> gcc/testsuite/gcc.target/riscv/arch-47.c | 5 +++++
> 6 files changed, 39 insertions(+)
> create mode 100644 gcc/testsuite/gcc.target/riscv/arch-45.c
> create mode 100644 gcc/testsuite/gcc.target/riscv/arch-46.c
> create mode 100644 gcc/testsuite/gcc.target/riscv/arch-47.c
>
> diff --git a/gcc/common/config/riscv/riscv-common.cc
> b/gcc/common/config/riscv/riscv-common.cc
> index 4c9a72d1180a..eb999b322c78 100644
> --- a/gcc/common/config/riscv/riscv-common.cc
> +++ b/gcc/common/config/riscv/riscv-common.cc
> @@ -111,6 +111,10 @@ static const riscv_implied_info_t riscv_implied_info[] =
> {"zfinx", "zicsr"},
> {"zdinx", "zicsr"},
>
> + {"zclsd", "zilsd"},
> + {"zilsd", "zicsr"},
> + {"zclsd", "zicsr"},
> +
> {"zk", "zkn"},
> {"zk", "zkr"},
> {"zk", "zkt"},
> @@ -331,6 +335,9 @@ static const struct riscv_ext_version
> riscv_ext_version_table[] =
> {"zicntr", ISA_SPEC_CLASS_NONE, 2, 0},
> {"zihpm", ISA_SPEC_CLASS_NONE, 2, 0},
>
> + {"zilsd", ISA_SPEC_CLASS_NONE, 1, 0},
> + {"zclsd", ISA_SPEC_CLASS_NONE, 1, 0},
> +
> {"zk", ISA_SPEC_CLASS_NONE, 1, 0},
> {"zkn", ISA_SPEC_CLASS_NONE, 1, 0},
> {"zks", ISA_SPEC_CLASS_NONE, 1, 0},
> @@ -1301,6 +1308,14 @@ riscv_subset_list::check_conflict_ext ()
> if (lookup ("zcf") && m_xlen == 64)
> error_at (m_loc, "%<-march=%s%>: zcf extension supports in rv32 only",
> m_arch);
> +
> + if (lookup ("zilsd") && m_xlen == 64)
> + error_at (m_loc, "%<-march=%s%>: zilsd extension supports in rv32 only",
> + m_arch);
> +
> + if (lookup ("zclsd") && m_xlen == 64)
> + error_at (m_loc, "%<-march=%s%>: zclsd extension supports in rv32 only",
> + m_arch);
>
> if (lookup ("zfinx") && lookup ("f"))
> error_at (m_loc,
> @@ -1641,6 +1656,7 @@ static const riscv_ext_flag_table_t
> riscv_ext_flag_table[] =
> RISCV_EXT_FLAG_ENTRY ("ziccif", x_riscv_zi_subext, MASK_ZICCIF),
> RISCV_EXT_FLAG_ENTRY ("zicclsm", x_riscv_zi_subext, MASK_ZICCLSM),
> RISCV_EXT_FLAG_ENTRY ("ziccrse", x_riscv_zi_subext, MASK_ZICCRSE),
> + RISCV_EXT_FLAG_ENTRY ("zilsd", x_riscv_zi_subext, MASK_ZILSD),
>
> RISCV_EXT_FLAG_ENTRY ("zicboz", x_riscv_zicmo_subext, MASK_ZICBOZ),
> RISCV_EXT_FLAG_ENTRY ("zicbom", x_riscv_zicmo_subext, MASK_ZICBOM),
> @@ -1721,6 +1737,7 @@ static const riscv_ext_flag_table_t
> riscv_ext_flag_table[] =
> RISCV_EXT_FLAG_ENTRY ("zcd", x_riscv_zc_subext, MASK_ZCD),
> RISCV_EXT_FLAG_ENTRY ("zcmp", x_riscv_zc_subext, MASK_ZCMP),
> RISCV_EXT_FLAG_ENTRY ("zcmt", x_riscv_zc_subext, MASK_ZCMT),
> + RISCV_EXT_FLAG_ENTRY ("zclsd", x_riscv_zc_subext, MASK_ZCLSD),
>
> RISCV_EXT_FLAG_ENTRY ("svinval", x_riscv_sv_subext, MASK_SVINVAL),
> RISCV_EXT_FLAG_ENTRY ("svnapot", x_riscv_sv_subext, MASK_SVNAPOT),
> diff --git a/gcc/common/config/riscv/riscv-ext-bitmask.def
> b/gcc/common/config/riscv/riscv-ext-bitmask.def
> index a733533df98e..af3ea47162b9 100644
> --- a/gcc/common/config/riscv/riscv-ext-bitmask.def
> +++ b/gcc/common/config/riscv/riscv-ext-bitmask.def
> @@ -80,5 +80,7 @@ RISCV_EXT_BITMASK ("zcf", 1, 5)
> RISCV_EXT_BITMASK ("zcmop", 1, 6)
> RISCV_EXT_BITMASK ("zawrs", 1, 7)
> RISCV_EXT_BITMASK ("svvptc", 1, 8)
> +RISCV_EXT_BITMASK ("zilsd", 1, 9)
> +RISCV_EXT_BITMASK ("zclsd", 1, 10)
This file should only touched when it added to either linux hwprobe
and/or riscv-c-api
>
> #undef RISCV_EXT_BITMASK
> diff --git a/gcc/config/riscv/riscv.opt b/gcc/config/riscv/riscv.opt
> index a6a61a83db1b..f2891ea65e38 100644
> --- a/gcc/config/riscv/riscv.opt
> +++ b/gcc/config/riscv/riscv.opt
> @@ -253,6 +253,8 @@ Mask(ZICCLSM) Var(riscv_zi_subext)
>
> Mask(ZICCRSE) Var(riscv_zi_subext)
>
> +Mask(ZILSD) Var(riscv_zi_subext)
> +
> TargetVariable
> int riscv_za_subext
>
> @@ -457,6 +459,8 @@ Mask(ZCMP) Var(riscv_zc_subext)
>
> Mask(ZCMT) Var(riscv_zc_subext)
>
> +Mask(ZCLSD) Var(riscv_zc_subext)
> +
> Mask(XCVBI) Var(riscv_xcv_subext)
>
> TargetVariable
> diff --git a/gcc/testsuite/gcc.target/riscv/arch-45.c
> b/gcc/testsuite/gcc.target/riscv/arch-45.c
> new file mode 100644
> index 000000000000..2c2598202714
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/riscv/arch-45.c
> @@ -0,0 +1,5 @@
> +/* { dg-do compile } */
> +/* { dg-options "-march=rv32gc_zilsd -mabi=ilp32d" } */
> +int foo()
> +{
> +}
> diff --git a/gcc/testsuite/gcc.target/riscv/arch-46.c
> b/gcc/testsuite/gcc.target/riscv/arch-46.c
> new file mode 100644
> index 000000000000..52b698d83b12
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/riscv/arch-46.c
> @@ -0,0 +1,6 @@
> +/* { dg-do compile } */
> +/* { dg-options "-march=rv64gc_zilsd -mabi=ilp32d" } */
> +int foo()
> +{
> +}
> +/* { missing " for " dg-error 6 ".'error: '-march=rv64gc_zilsd': zilsd
> extension supports in rv32 only " } */
> diff --git a/gcc/testsuite/gcc.target/riscv/arch-47.c
> b/gcc/testsuite/gcc.target/riscv/arch-47.c
> new file mode 100644
> index 000000000000..c5544bd4ae61
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/riscv/arch-47.c
> @@ -0,0 +1,5 @@
> +/* { dg-do compile } */
> +/* { dg-options "-march=rv32gc_zclsd -mabi=ilp32d" } */
> +int foo()
> +{
> +}
> --
> 2.43.0
>
