[PATCH 1/2] RISC-V: Add OP_VE for .insn

[Nelson Chu]

Thanks, committed.

Nelson

On Thu, Feb 13, 2025 at 9:19 PM Kito Cheng <kito.cheng@sifive.com> wrote:

> OP_VE is the opcode space for crypto vector instructions.
>
> Ref:
>
> https://github.com/riscv/riscv-isa-manual/blob/main/src/vector-crypto.adoc#crypto-vector-cryptographic-instructions
> ---
>  gas/config/tc-riscv.c                | 2 +-
>  gas/doc/c-riscv.texi                 | 3 +++
>  gas/testsuite/gas/riscv/insn-dwarf.d | 3 ++-
>  gas/testsuite/gas/riscv/insn-na.d    | 3 ++-
>  gas/testsuite/gas/riscv/insn.d       | 3 ++-
>  gas/testsuite/gas/riscv/insn.s       | 2 ++
>  6 files changed, 12 insertions(+), 4 deletions(-)
>
> diff --git a/gas/config/tc-riscv.c b/gas/config/tc-riscv.c
> index cfaadea6c49..251a00e579a 100644
> --- a/gas/config/tc-riscv.c
> +++ b/gas/config/tc-riscv.c
> @@ -902,7 +902,7 @@ static const struct opcode_name_t opcode_name_list[] =
>    /*reserved    0x5b.  */
>    {"JAL",       0x6f},
>    {"SYSTEM",    0x73},
> -  /*reserved    0x77.  */
> +  {"OP_VE",     0x77},
>    {"CUSTOM_3",  0x7b},
>    /* >80b       0x7f.  */
>
> diff --git a/gas/doc/c-riscv.texi b/gas/doc/c-riscv.texi
> index be3a09487f1..34b92e6adda 100644
> --- a/gas/doc/c-riscv.texi
> +++ b/gas/doc/c-riscv.texi
> @@ -547,6 +547,9 @@ Opcode space for misc instructions.
>  @item SYSTEM
>  Opcode space for system instructions.
>
> +@item OP_VE
> +Opcode space for crypto vector instructions.
> +
>  @item CUSTOM_0
>  @item CUSTOM_1
>  @item CUSTOM_2
> diff --git a/gas/testsuite/gas/riscv/insn-dwarf.d
> b/gas/testsuite/gas/riscv/insn-dwarf.d
> index b8bd42dff18..d6c6e6e095e 100644
> --- a/gas/testsuite/gas/riscv/insn-dwarf.d
> +++ b/gas/testsuite/gas/riscv/insn-dwarf.d
> @@ -82,5 +82,6 @@ insn.s +78 +0x16a.*
>  insn.s +79 +0x180.*
>  insn.s +80 +0x196.*
>  insn.s +81 +0x1ac.*
> -insn.s +- +0x1c2
> +insn.s +83 +0x1c2.*
> +insn.s +- +0x1c6
>  #pass
> diff --git a/gas/testsuite/gas/riscv/insn-na.d
> b/gas/testsuite/gas/riscv/insn-na.d
> index 55bf301656b..47d12974af9 100644
> --- a/gas/testsuite/gas/riscv/insn-na.d
> +++ b/gas/testsuite/gas/riscv/insn-na.d
> @@ -1,4 +1,4 @@
> -#as: -march=rv32ifcv
> +#as: -march=rv32ifcv_zvknha
>  #source: insn.s
>  #objdump: -dw -Mno-aliases
>
> @@ -81,3 +81,4 @@ Disassembly of section .text:
>  [^:]+:[        ]+607f 33cc 55aa cdef 89ab 4567 0123 3210 7654 ba98 00dc[
>      ]+\.insn[       ]+22, 0x00dcba98765432100123456789abcdef55aa33cc607f
>  [^:]+:[        ]+607f 33cc 55aa cdef 89ab 4567 0123 3210 7654 ba98 fedc[
>      ]+\.insn[       ]+22, 0xfedcba98765432100123456789abcdef55aa33cc607f
>  [^:]+:[        ]+607f 33cc 55aa cdef 89ab 4567 0123 3210 7654 ba98 fedc[
>      ]+\.insn[       ]+22, 0xfedcba98765432100123456789abcdef55aa33cc607f
> +[^:]+:[        ]+ba862277[     ]+vsha2ch\.vv[  ]+v4,v8,v12
> diff --git a/gas/testsuite/gas/riscv/insn.d
> b/gas/testsuite/gas/riscv/insn.d
> index 9411a6b1e19..7ffb4e254ce 100644
> --- a/gas/testsuite/gas/riscv/insn.d
> +++ b/gas/testsuite/gas/riscv/insn.d
> @@ -1,4 +1,4 @@
> -#as: -march=rv32ifcv
> +#as: -march=rv32ifcv_zvknha
>  #objdump: -dr
>
>  .*:[   ]+file format .*
> @@ -114,3 +114,4 @@ Disassembly of section .text:
>  [^:]+:[        ]+607f 33cc 55aa cdef[  ]+\.insn[       ]+22,
> 0xfedcba98765432100123456789abcdef55aa33cc607f
>  [^:]+:[        ]+89ab 4567 0123 3210 ?
>  [^:]+:[        ]+7654 ba98 fedc ?
> +[^:]+:[        ]+ba862277[     ]+vsha2ch\.vv[  ]+v4,v8,v12
> diff --git a/gas/testsuite/gas/riscv/insn.s
> b/gas/testsuite/gas/riscv/insn.s
> index 48db59b14e8..4f72d5be8f5 100644
> --- a/gas/testsuite/gas/riscv/insn.s
> +++ b/gas/testsuite/gas/riscv/insn.s
> @@ -79,3 +79,5 @@ target:
>         .insn 22, 0x00dcba98765432100123456789abcdef55aa33cc607f
>         .insn 0xfedcba98765432100123456789abcdef55aa33cc607f
>         .insn 22, 0xfedcba98765432100123456789abcdef55aa33cc607f
> +
> +       .insn r  OP_VE, 0b010, 0b1011101, x4, x12, x8
> --
> 2.34.1
>
>
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