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From: Tsukasa OI <research_trasio@irq.a4lg.com>
To: "Christoph Müllner" <christoph.muellner@vrull.eu>
Cc: binutils@sourceware.org,
	Philipp Tomsich <philipp.tomsich@vrull.eu>,
	Andrew Waterman <andrew@sifive.com>
Subject: Re: [REVIEW ONLY 1/1] UNRATIFIED RISC-V: Add 'Zfa' extension
Date: Thu, 23 Mar 2023 02:00:20 +0900	[thread overview]
Message-ID: <0e2a2164-bb20-bf51-930a-7eed30760e80@irq.a4lg.com> (raw)
In-Reply-To: <CAEg0e7h3sf2z0BXtAvZWAO5-JXdJ14obv39-1cG3+rGRYxJWgw@mail.gmail.com>



On 2023/03/23 1:21, Christoph Müllner wrote:
> On Wed, Mar 22, 2023 at 5:07 PM Tsukasa OI <research_trasio@irq.a4lg.com> wrote:
>>
>> On 2023/03/23 0:47, Christoph Müllner wrote:
>>> On Sun, Sep 18, 2022 at 12:13 PM Tsukasa OI via Binutils
>>> <binutils@sourceware.org> wrote:
>>>>
>>>> [DO NOT MERGE]
>>>> Until 'Zfa' extension is frozen/ratified and final version number is
>>>> determined, this patch should not merged upstream. This commit uses
>>>> unratified version 0.1 as in documentation (instead of possible 1.0
>>>> after ratification).
>>>>
>>>> This commit adds the 'Zfa' extension (its instructions and new operand
>>>> type for FLI instructions).
>>>>
>>>> This is based on:
>>>> <https://github.com/riscv/riscv-isa-manual/commit/ae683aec28ec707a3c4bb6f588491f0840d52f43>
>>>> (latest commit of the 'zfb' branch as of this writing)
>>>>
>>>> Note: the author is calling FLI instructions' RS1 encoded field as
>>>> "value".  It must be reviewed before the specification is frozen.
>>>>
>>>> bfd/ChangeLog:
>>>>
>>>>         * elfxx-riscv.c (riscv_multi_subset_supports): Add instruction
>>>>         class support for 'Zfa' extension.
>>>>         (riscv_multi_subset_supports_ext): Likewise.
>>>>         (riscv_implicit_subsets): Add 'Zfa' -> 'F' dependency.
>>>>
>>>> gas/ChangeLog:
>>>>
>>>>         * testsuite/gas/riscv/zfa.s: New test.
>>>>         * testsuite/gas/riscv/zfa.d: Likewise.
>>>>         * testsuite/gas/riscv/zfa-32.s: New test.
>>>>         * testsuite/gas/riscv/zfa-32.d: Likewise.
>>>>         * testsuite/gas/riscv/zfa-64.s: New test.
>>>>         * testsuite/gas/riscv/zfa-64.d: Likewise.
>>>>         * testsuite/gas/riscv/zfa-fail-fcvtmod.w.d.s: New failure test for
>>>>         the "fcvtmod.w.d" instruction.
>>>>         * testsuite/gas/riscv/zfa-fail-fcvtmod.w.d.d: Likewise.
>>>>         * testsuite/gas/riscv/zfa-fail-fcvtmod.w.d.l: Likewise.
>>>>         * testsuite/gas/riscv/zfa-fail-fli.s: New failure test for "fli"
>>>>         instructions.
>>>>         * testsuite/gas/riscv/zfa-fail-fli.d: Likewise.
>>>>         * testsuite/gas/riscv/zfa-fail-fli.l: Likewise.
>>>>
>>>> include/ChangeLog:
>>>>
>>>>         * opcode/riscv-opc.h (MATCH_FLI_H, MASK_FLI_H, MATCH_FMINI_H,
>>>>         MASK_FMINI_H, MATCH_FMAXI_H, MASK_FMAXI_H, MATCH_FROUND_H,
>>>>         MASK_FROUND_H, MATCH_FROUNDNX_H, MASK_FROUNDNX_H, MATCH_FLTQ_H,
>>>>         MASK_FLTQ_H, MATCH_FLEQ_H, MASK_FLEQ_H, MATCH_FLI_S, MASK_FLI_S,
>>>>         MATCH_FMINI_S, MASK_FMINI_S, MATCH_FMAXI_S, MASK_FMAXI_S,
>>>>         MATCH_FROUND_S, MASK_FROUND_S, MATCH_FROUNDNX_S, MASK_FROUNDNX_S,
>>>>         MATCH_FLTQ_S, MASK_FLTQ_S, MATCH_FLEQ_S, MASK_FLEQ_S, MATCH_FLI_D,
>>>>         MASK_FLI_D, MATCH_FMINI_D, MASK_FMINI_D, MATCH_FMAXI_D,
>>>>         MASK_FMAXI_D, MATCH_FROUND_D, MASK_FROUND_D, MATCH_FROUNDNX_D,
>>>>         MASK_FROUNDNX_D, MATCH_FLTQ_D, MASK_FLTQ_D, MATCH_FLEQ_D,
>>>>         MASK_FLEQ_D, MATCH_FLI_Q, MASK_FLI_Q, MATCH_FMINI_Q, MASK_FMINI_Q,
>>>>         MATCH_FMAXI_Q, MASK_FMAXI_Q, MATCH_FROUND_Q, MASK_FROUND_Q,
>>>>         MATCH_FROUNDNX_Q, MASK_FROUNDNX_Q, MATCH_FLTQ_Q, MASK_FLTQ_Q,
>>>>         MATCH_FLEQ_Q, MASK_FLEQ_Q, MATCH_FCVTMOD_W_D, MASK_FCVTMOD_W_D,
>>>>         MATCH_FMVH_X_D, MASK_FMVH_X_D, MATCH_FMVH_X_Q, MASK_FMVH_X_Q,
>>>>         MATCH_FMVP_D_X, MASK_FMVP_D_X, MATCH_FMVP_Q_X, MASK_FMVP_Q_X): New.
>>>>         * opcode/riscv.h (enum riscv_insn_class): Add instruction
>>>>         classes for 'Zfa' extension.
>>>>
>>>> opcodes/ChangeLog:
>>>>
>>>>         * riscv-opc.c (riscv_opcodes): Add 'Zfa' instructions.
>>>> ---
>>>>  bfd/elfxx-riscv.c                             | 39 ++++++++
>>>>  gas/config/tc-riscv.c                         | 21 ++++
>>>>  gas/testsuite/gas/riscv/zfa-32.d              | 10 ++
>>>>  gas/testsuite/gas/riscv/zfa-32.s              |  3 +
>>>>  gas/testsuite/gas/riscv/zfa-64.d              | 10 ++
>>>>  gas/testsuite/gas/riscv/zfa-64.s              |  3 +
>>>>  .../gas/riscv/zfa-fail-fcvtmod.w.d.d          |  3 +
>>>>  .../gas/riscv/zfa-fail-fcvtmod.w.d.l          |  8 ++
>>>>  .../gas/riscv/zfa-fail-fcvtmod.w.d.s          | 11 +++
>>>>  gas/testsuite/gas/riscv/zfa-fail-fli.d        |  3 +
>>>>  gas/testsuite/gas/riscv/zfa-fail-fli.l        | 21 ++++
>>>>  gas/testsuite/gas/riscv/zfa-fail-fli.s        | 21 ++++
>>>>  gas/testsuite/gas/riscv/zfa.d                 | 93 +++++++++++++++++
>>>>  gas/testsuite/gas/riscv/zfa.s                 | 92 +++++++++++++++++
>>>>  include/opcode/riscv-opc.h                    | 99 +++++++++++++++++++
>>>>  include/opcode/riscv.h                        |  5 +
>>>>  opcodes/riscv-dis.c                           |  7 ++
>>>>  opcodes/riscv-opc.c                           | 52 +++++++++-
>>>>  18 files changed, 500 insertions(+), 1 deletion(-)
>>>>  create mode 100644 gas/testsuite/gas/riscv/zfa-32.d
>>>>  create mode 100644 gas/testsuite/gas/riscv/zfa-32.s
>>>>  create mode 100644 gas/testsuite/gas/riscv/zfa-64.d
>>>>  create mode 100644 gas/testsuite/gas/riscv/zfa-64.s
>>>>  create mode 100644 gas/testsuite/gas/riscv/zfa-fail-fcvtmod.w.d.d
>>>>  create mode 100644 gas/testsuite/gas/riscv/zfa-fail-fcvtmod.w.d.l
>>>>  create mode 100644 gas/testsuite/gas/riscv/zfa-fail-fcvtmod.w.d.s
>>>>  create mode 100644 gas/testsuite/gas/riscv/zfa-fail-fli.d
>>>>  create mode 100644 gas/testsuite/gas/riscv/zfa-fail-fli.l
>>>>  create mode 100644 gas/testsuite/gas/riscv/zfa-fail-fli.s
>>>>  create mode 100644 gas/testsuite/gas/riscv/zfa.d
>>>>  create mode 100644 gas/testsuite/gas/riscv/zfa.s
>>>>
>>>> diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c
>>>> index e03b312a381..1c6d1505d54 100644
>>>> --- a/bfd/elfxx-riscv.c
>>>> +++ b/bfd/elfxx-riscv.c
>>>> @@ -1073,6 +1073,7 @@ static struct riscv_implicit_subset riscv_implicit_subsets[] =
>>>>    {"zvl256b", "zvl128b",       check_implicit_always},
>>>>    {"zvl128b", "zvl64b",                check_implicit_always},
>>>>    {"zvl64b", "zvl32b",         check_implicit_always},
>>>> +  {"zfa", "f",         check_implicit_always},
>>>>    {"d", "f",           check_implicit_always},
>>>>    {"zfh", "zfhmin",    check_implicit_always},
>>>>    {"zfhmin", "f",      check_implicit_always},
>>>> @@ -1162,6 +1163,7 @@ static struct riscv_supported_ext riscv_supported_std_z_ext[] =
>>>>    {"zifencei",         ISA_SPEC_CLASS_20190608,        2, 0,  0 },
>>>>    {"zihintpause",      ISA_SPEC_CLASS_DRAFT,           2, 0,  0 },
>>>>    {"zmmul",            ISA_SPEC_CLASS_DRAFT,           1, 0,  0 },
>>>> +  {"zfa",              ISA_SPEC_CLASS_DRAFT,           0, 1,  0 },
>>>>    {"zfh",              ISA_SPEC_CLASS_DRAFT,           1, 0,  0 },
>>>>    {"zfhmin",           ISA_SPEC_CLASS_DRAFT,           1, 0,  0 },
>>>>    {"zfinx",            ISA_SPEC_CLASS_DRAFT,           1, 0,  0 },
>>>> @@ -2334,6 +2336,17 @@ riscv_multi_subset_supports (riscv_parse_subset_t *rps,
>>>>                && riscv_subset_supports (rps, "q"))
>>>>               || (riscv_subset_supports (rps, "zhinxmin")
>>>>                   && riscv_subset_supports (rps, "zqinx")));
>>>> +    case INSN_CLASS_ZFA:
>>>> +      return riscv_subset_supports (rps, "zfa");
>>>> +    case INSN_CLASS_D_AND_ZFA:
>>>> +      return riscv_subset_supports (rps, "d")
>>>> +            && riscv_subset_supports (rps, "zfa");
>>>> +    case INSN_CLASS_Q_AND_ZFA:
>>>> +      return riscv_subset_supports (rps, "q")
>>>> +            && riscv_subset_supports (rps, "zfa");
>>>> +    case INSN_CLASS_ZFH_AND_ZFA:
>>>> +      return riscv_subset_supports (rps, "zfh")
>>>> +            && riscv_subset_supports (rps, "zfa");
>>>>      case INSN_CLASS_ZBA:
>>>>        return riscv_subset_supports (rps, "zba");
>>>>      case INSN_CLASS_ZBB:
>>>> @@ -2469,6 +2482,32 @@ riscv_multi_subset_supports_ext (riscv_parse_subset_t *rps,
>>>>         return "zhinxmin";
>>>>        else
>>>>         return _("zfhmin' and `q', or `zhinxmin' and `zqinx");
>>>> +    case INSN_CLASS_ZFA:
>>>> +      return "zfa";
>>>> +    case INSN_CLASS_D_AND_ZFA:
>>>> +      if (!riscv_subset_supports (rps, "d")
>>>> +         && !riscv_subset_supports (rps, "zfa"))
>>>> +       return _("d' and `zfa");
>>>> +      else if (!riscv_subset_supports (rps, "d"))
>>>> +       return "d";
>>>> +      else
>>>> +       return "zfa";
>>>> +    case INSN_CLASS_Q_AND_ZFA:
>>>> +      if (!riscv_subset_supports (rps, "q")
>>>> +         && !riscv_subset_supports (rps, "zfa"))
>>>> +       return _("q' and `zfa");
>>>> +      else if (!riscv_subset_supports (rps, "q"))
>>>> +       return "q";
>>>> +      else
>>>> +       return "zfa";
>>>> +    case INSN_CLASS_ZFH_AND_ZFA:
>>>> +      if (!riscv_subset_supports (rps, "zfh")
>>>> +         && !riscv_subset_supports (rps, "zfa"))
>>>> +       return _("zfh' and `zfa");
>>>> +      else if (!riscv_subset_supports (rps, "zfh"))
>>>> +       return "zfh";
>>>> +      else
>>>> +       return "zfa";
>>>>      case INSN_CLASS_ZBA:
>>>>        return "zba";
>>>>      case INSN_CLASS_ZBB:
>>>> diff --git a/gas/config/tc-riscv.c b/gas/config/tc-riscv.c
>>>> index 2f5ee18e451..ffbc7fbdda2 100644
>>>> --- a/gas/config/tc-riscv.c
>>>> +++ b/gas/config/tc-riscv.c
>>>> @@ -1208,6 +1208,7 @@ validate_riscv_insn (const struct riscv_opcode *opc, int length)
>>>>         case 'd': USE_BITS (OP_MASK_RD, OP_SH_RD); break;
>>>>         case 'y': USE_BITS (OP_MASK_BS, OP_SH_BS); break;
>>>>         case 'Y': USE_BITS (OP_MASK_RNUM, OP_SH_RNUM); break;
>>>> +       case 'i': /* RS1, FLI.[HSDQ] value field.  */
>>>>         case 'Z': /* RS1, CSR number.  */
>>>>         case 'S': /* RS1, floating point.  */
>>>>         case 's': USE_BITS (OP_MASK_RS1, OP_SH_RS1); break;
>>>> @@ -3262,6 +3263,26 @@ riscv_ip (char *str, struct riscv_cl_insn *ip, expressionS *imm_expr,
>>>>               asarg = expr_end;
>>>>               continue;
>>>>
>>>> +           case 'i': /* FLI.[HSDQ] constant immediate.  */
>>>> +             if (arg_lookup (&asarg, riscv_fli_value,
>>>> +                             ARRAY_SIZE (riscv_fli_value), &regno))
>>>> +               INSERT_OPERAND (RS1, *ip, regno);
>>>> +             else
>>>> +               {
>>>> +                 if (my_getSmallExpression (imm_expr, imm_reloc, asarg, p)
>>>> +                     || imm_expr->X_op != O_constant)
>>>> +                   break;
>>>> +                 if (imm_expr->X_add_number < 0
>>>> +                     || imm_expr->X_add_number > 29)
>>>> +                   as_bad (_ ("improper fli value field (%ld), "
>>>> +                              "value must be 0...29 or min, inf or nan"),
>>>> +                           (long) imm_expr->X_add_number);
>>>> +                 INSERT_OPERAND (RS1, *ip, imm_expr->X_add_number);
>>>> +                 imm_expr->X_op = O_absent;
>>>> +                 asarg = expr_end;
>>>> +               }
>>>> +             continue;
>>>> +
>>>>             default:
>>>>             unknown_riscv_ip_operand:
>>>>               as_fatal (_("internal: unknown argument type `%s'"),
>>>> diff --git a/gas/testsuite/gas/riscv/zfa-32.d b/gas/testsuite/gas/riscv/zfa-32.d
>>>> new file mode 100644
>>>> index 00000000000..0f0cbfcdc70
>>>> --- /dev/null
>>>> +++ b/gas/testsuite/gas/riscv/zfa-32.d
>>>> @@ -0,0 +1,10 @@
>>>> +#as: -march=rv32id_zfa
>>>> +#objdump: -dr
>>>> +
>>>> +.*:[   ]+file format .*
>>>> +
>>>> +Disassembly of section .text:
>>>> +
>>>> +0+000 <target>:
>>>> +[      ]+[0-9a-f]+:[   ]+e2108553[     ]+fmvh\.x\.d[   ]+a0,ft1
>>>> +[      ]+[0-9a-f]+:[   ]+b2b500d3[     ]+fmvp\.d\.x[   ]+ft1,a0,a1
>>>> diff --git a/gas/testsuite/gas/riscv/zfa-32.s b/gas/testsuite/gas/riscv/zfa-32.s
>>>> new file mode 100644
>>>> index 00000000000..da95441cdc7
>>>> --- /dev/null
>>>> +++ b/gas/testsuite/gas/riscv/zfa-32.s
>>>> @@ -0,0 +1,3 @@
>>>> +target:
>>>> +       fmvh.x.d        a0, ft1
>>>> +       fmvp.d.x        ft1, a0, a1
>>>> diff --git a/gas/testsuite/gas/riscv/zfa-64.d b/gas/testsuite/gas/riscv/zfa-64.d
>>>> new file mode 100644
>>>> index 00000000000..f942d616959
>>>> --- /dev/null
>>>> +++ b/gas/testsuite/gas/riscv/zfa-64.d
>>>> @@ -0,0 +1,10 @@
>>>> +#as: -march=rv64iq_zfa
>>>> +#objdump: -dr
>>>> +
>>>> +.*:[   ]+file format .*
>>>> +
>>>> +Disassembly of section .text:
>>>> +
>>>> +0+000 <target>:
>>>> +[      ]+[0-9a-f]+:[   ]+e6108553[     ]+fmvh\.x\.q[   ]+a0,ft1
>>>> +[      ]+[0-9a-f]+:[   ]+b6b500d3[     ]+fmvp\.q\.x[   ]+ft1,a0,a1
>>>> diff --git a/gas/testsuite/gas/riscv/zfa-64.s b/gas/testsuite/gas/riscv/zfa-64.s
>>>> new file mode 100644
>>>> index 00000000000..dc8129dae3e
>>>> --- /dev/null
>>>> +++ b/gas/testsuite/gas/riscv/zfa-64.s
>>>> @@ -0,0 +1,3 @@
>>>> +target:
>>>> +       fmvh.x.q        a0, ft1
>>>> +       fmvp.q.x        ft1, a0, a1
>>>> diff --git a/gas/testsuite/gas/riscv/zfa-fail-fcvtmod.w.d.d b/gas/testsuite/gas/riscv/zfa-fail-fcvtmod.w.d.d
>>>> new file mode 100644
>>>> index 00000000000..5234c49de75
>>>> --- /dev/null
>>>> +++ b/gas/testsuite/gas/riscv/zfa-fail-fcvtmod.w.d.d
>>>> @@ -0,0 +1,3 @@
>>>> +#as: -march=rv64id_zfa
>>>> +#objdump: -dr
>>>> +#error_output: zfa-fail-fcvtmod.w.d.l
>>>> diff --git a/gas/testsuite/gas/riscv/zfa-fail-fcvtmod.w.d.l b/gas/testsuite/gas/riscv/zfa-fail-fcvtmod.w.d.l
>>>> new file mode 100644
>>>> index 00000000000..4ea048a3356
>>>> --- /dev/null
>>>> +++ b/gas/testsuite/gas/riscv/zfa-fail-fcvtmod.w.d.l
>>>> @@ -0,0 +1,8 @@
>>>> +.*: Assembler messages:
>>>> +.*: Error: illegal operands `fcvtmod\.w\.d a0,ft1'
>>>> +.*: Error: illegal operands `fcvtmod\.w\.d a0,ft1,rne'
>>>> +.*: Error: illegal operands `fcvtmod\.w\.d a0,ft1,rdn'
>>>> +.*: Error: illegal operands `fcvtmod\.w\.d a0,ft1,rup'
>>>> +.*: Error: illegal operands `fcvtmod\.w\.d a0,ft1,rmm'
>>>> +.*: Error: illegal operands `fcvtmod\.w\.d a0,ft1,dyn'
>>>> +.*: Error: illegal operands `fcvtmod\.w\.d a0,ft1,invalid'
>>>> diff --git a/gas/testsuite/gas/riscv/zfa-fail-fcvtmod.w.d.s b/gas/testsuite/gas/riscv/zfa-fail-fcvtmod.w.d.s
>>>> new file mode 100644
>>>> index 00000000000..5984f6676d8
>>>> --- /dev/null
>>>> +++ b/gas/testsuite/gas/riscv/zfa-fail-fcvtmod.w.d.s
>>>> @@ -0,0 +1,11 @@
>>>> +target:
>>>> +       # fcvtmod.w.d requires explicit rounding mode.
>>>> +       fcvtmod.w.d     a0, ft1
>>>> +       # Rounding mode other than rtz are reserved.
>>>> +       fcvtmod.w.d     a0, ft1, rne
>>>> +       fcvtmod.w.d     a0, ft1, rdn
>>>> +       fcvtmod.w.d     a0, ft1, rup
>>>> +       fcvtmod.w.d     a0, ft1, rmm
>>>> +       fcvtmod.w.d     a0, ft1, dyn
>>>> +       # Invalid rounding mode is invalid.
>>>> +       fcvtmod.w.d     a0, ft1, invalid
>>>> diff --git a/gas/testsuite/gas/riscv/zfa-fail-fli.d b/gas/testsuite/gas/riscv/zfa-fail-fli.d
>>>> new file mode 100644
>>>> index 00000000000..3753a4d185e
>>>> --- /dev/null
>>>> +++ b/gas/testsuite/gas/riscv/zfa-fail-fli.d
>>>> @@ -0,0 +1,3 @@
>>>> +#as: -march=rv64iq_zfa_zfh
>>>> +#objdump: -dr
>>>> +#error_output: zfa-fail-fli.l
>>>> diff --git a/gas/testsuite/gas/riscv/zfa-fail-fli.l b/gas/testsuite/gas/riscv/zfa-fail-fli.l
>>>> new file mode 100644
>>>> index 00000000000..b7532f80fd4
>>>> --- /dev/null
>>>> +++ b/gas/testsuite/gas/riscv/zfa-fail-fli.l
>>>> @@ -0,0 +1,21 @@
>>>> +.*: Assembler messages:
>>>> +.*: Error: improper fli value field \(-1\), value must be 0\.\.\.29 or min, inf or nan
>>>> +.*: Error: improper fli value field \(-1\), value must be 0\.\.\.29 or min, inf or nan
>>>> +.*: Error: improper fli value field \(-1\), value must be 0\.\.\.29 or min, inf or nan
>>>> +.*: Error: improper fli value field \(-1\), value must be 0\.\.\.29 or min, inf or nan
>>>> +.*: Error: improper fli value field \(-2\), value must be 0\.\.\.29 or min, inf or nan
>>>> +.*: Error: improper fli value field \(-2\), value must be 0\.\.\.29 or min, inf or nan
>>>> +.*: Error: improper fli value field \(-2\), value must be 0\.\.\.29 or min, inf or nan
>>>> +.*: Error: improper fli value field \(-2\), value must be 0\.\.\.29 or min, inf or nan
>>>> +.*: Error: improper fli value field \(30\), value must be 0\.\.\.29 or min, inf or nan
>>>> +.*: Error: improper fli value field \(30\), value must be 0\.\.\.29 or min, inf or nan
>>>> +.*: Error: improper fli value field \(30\), value must be 0\.\.\.29 or min, inf or nan
>>>> +.*: Error: improper fli value field \(30\), value must be 0\.\.\.29 or min, inf or nan
>>>> +.*: Error: improper fli value field \(32\), value must be 0\.\.\.29 or min, inf or nan
>>>> +.*: Error: improper fli value field \(32\), value must be 0\.\.\.29 or min, inf or nan
>>>> +.*: Error: improper fli value field \(32\), value must be 0\.\.\.29 or min, inf or nan
>>>> +.*: Error: improper fli value field \(32\), value must be 0\.\.\.29 or min, inf or nan
>>>> +.*: Error: illegal operands `fli\.h ft1,invalid'
>>>> +.*: Error: illegal operands `fli\.s ft1,invalid'
>>>> +.*: Error: illegal operands `fli\.d ft1,invalid'
>>>> +.*: Error: illegal operands `fli\.q ft1,invalid'
>>>> diff --git a/gas/testsuite/gas/riscv/zfa-fail-fli.s b/gas/testsuite/gas/riscv/zfa-fail-fli.s
>>>> new file mode 100644
>>>> index 00000000000..4c600b5d578
>>>> --- /dev/null
>>>> +++ b/gas/testsuite/gas/riscv/zfa-fail-fli.s
>>>> @@ -0,0 +1,21 @@
>>>> +target:
>>>> +       fli.h   ft1, -1
>>>> +       fli.s   ft1, -1
>>>> +       fli.d   ft1, -1
>>>> +       fli.q   ft1, -1
>>>> +       fli.h   ft1, -2
>>>> +       fli.s   ft1, -2
>>>> +       fli.d   ft1, -2
>>>> +       fli.q   ft1, -2
>>>> +       fli.h   ft1, 30
>>>> +       fli.s   ft1, 30
>>>> +       fli.d   ft1, 30
>>>> +       fli.q   ft1, 30
>>>> +       fli.h   ft1, 32
>>>> +       fli.s   ft1, 32
>>>> +       fli.d   ft1, 32
>>>> +       fli.q   ft1, 32
>>>> +       fli.h   ft1, invalid
>>>> +       fli.s   ft1, invalid
>>>> +       fli.d   ft1, invalid
>>>> +       fli.q   ft1, invalid
>>>> diff --git a/gas/testsuite/gas/riscv/zfa.d b/gas/testsuite/gas/riscv/zfa.d
>>>> new file mode 100644
>>>> index 00000000000..3701a41e485
>>>> --- /dev/null
>>>> +++ b/gas/testsuite/gas/riscv/zfa.d
>>>> @@ -0,0 +1,93 @@
>>>> +#as: -march=rv64iq_zfa_zfh
>>>> +#objdump: -dr
>>>> +
>>>> +.*:[   ]+file format .*
>>>> +
>>>> +Disassembly of section .text:
>>>> +
>>>> +0+000 <target>:
>>>
>>> Hi Tsukasa,
>>>
>>> There seems to be a misunderstanding of the spec.
>>> The second operand of the fli should be the constant itself ("Value"
>>> column of the specification) in C-like syntax.
>>> E.g.:
>>>   fli.h ft1, -1.0 # encoding rs1=0
>>>   fli.h ft1, min # encoding rs1=1
>>>   fli.h ft1, 0.0000152587890625 # encoding rs1=2
>>>   ...
>>>   fli.h ft1, 16 # encoding rs1=25
>>>   ...
>>>   fli.h ft1, nan # encoding rs1=31
>>>
>>> So we have 3 strings ("min", "inf", "nan") and 29 constants.
>>>
>>> BR
>>> Christoph
>>
>> Hi,
>>
>> I showed very early patchset of 'Zfa' to Andrew and I misunderstood that
>> he was okay with that operands.  Now the situation is clearer but due to
>> my poor health conditions, it might not be soon to make a new patchset
>> (I'm working on it but the progress is very slow).  If my new patchset
>> for 'Zfa' isn't posted until mid-May, it'll be better that someone else
>> make their 'Zfa' patchset.
> 
> We are working on a couple of other Zfa enablement patches and we need
> a solution earlier than mid-May (we target the end of this month).
> Is it ok for you if I take over the patch and add you as Co-developed-by?0
> I would also use your "RISC-V: Allocate "various" operand type" commit as base.
> 
> Get well soon!
> 
> BR
> Christoph

Of course!

> I would also use your "RISC-V: Allocate "various" operand type" commit as base.

Yes, that would be important more than I first thought because current
design would require four "fli" constant operands.

Thanks and I hope that I'm back online in June,
Tsukasa

> 
>>
>> Tsukasa
>>
>>>
>>>> +[      ]+[0-9a-f]+:[   ]+f41000d3[     ]+fli\.h[               ]+ft1,0
>>>> +[      ]+[0-9a-f]+:[   ]+f41080d3[     ]+fli\.h[               ]+ft1,min
>>>> +[      ]+[0-9a-f]+:[   ]+f41100d3[     ]+fli\.h[               ]+ft1,2
>>>> +[      ]+[0-9a-f]+:[   ]+f41d80d3[     ]+fli\.h[               ]+ft1,27
>>>> +[      ]+[0-9a-f]+:[   ]+f41e00d3[     ]+fli\.h[               ]+ft1,28
>>>> +[      ]+[0-9a-f]+:[   ]+f41e80d3[     ]+fli\.h[               ]+ft1,29
>>>> +[      ]+[0-9a-f]+:[   ]+f41080d3[     ]+fli\.h[               ]+ft1,min
>>>> +[      ]+[0-9a-f]+:[   ]+f41f00d3[     ]+fli\.h[               ]+ft1,inf
>>>> +[      ]+[0-9a-f]+:[   ]+f41f80d3[     ]+fli\.h[               ]+ft1,nan
>>>> +[      ]+[0-9a-f]+:[   ]+f01000d3[     ]+fli\.s[               ]+ft1,0
>>>> +[      ]+[0-9a-f]+:[   ]+f01080d3[     ]+fli\.s[               ]+ft1,min
>>>> +[      ]+[0-9a-f]+:[   ]+f01100d3[     ]+fli\.s[               ]+ft1,2
>>>> +[      ]+[0-9a-f]+:[   ]+f01d80d3[     ]+fli\.s[               ]+ft1,27
>>>> +[      ]+[0-9a-f]+:[   ]+f01e00d3[     ]+fli\.s[               ]+ft1,28
>>>> +[      ]+[0-9a-f]+:[   ]+f01e80d3[     ]+fli\.s[               ]+ft1,29
>>>> +[      ]+[0-9a-f]+:[   ]+f01080d3[     ]+fli\.s[               ]+ft1,min
>>>> +[      ]+[0-9a-f]+:[   ]+f01f00d3[     ]+fli\.s[               ]+ft1,inf
>>>> +[      ]+[0-9a-f]+:[   ]+f01f80d3[     ]+fli\.s[               ]+ft1,nan
>>>> +[      ]+[0-9a-f]+:[   ]+f21000d3[     ]+fli\.d[               ]+ft1,0
>>>> +[      ]+[0-9a-f]+:[   ]+f21080d3[     ]+fli\.d[               ]+ft1,min
>>>> +[      ]+[0-9a-f]+:[   ]+f21100d3[     ]+fli\.d[               ]+ft1,2
>>>> +[      ]+[0-9a-f]+:[   ]+f21d80d3[     ]+fli\.d[               ]+ft1,27
>>>> +[      ]+[0-9a-f]+:[   ]+f21e00d3[     ]+fli\.d[               ]+ft1,28
>>>> +[      ]+[0-9a-f]+:[   ]+f21e80d3[     ]+fli\.d[               ]+ft1,29
>>>> +[      ]+[0-9a-f]+:[   ]+f21080d3[     ]+fli\.d[               ]+ft1,min
>>>> +[      ]+[0-9a-f]+:[   ]+f21f00d3[     ]+fli\.d[               ]+ft1,inf
>>>> +[      ]+[0-9a-f]+:[   ]+f21f80d3[     ]+fli\.d[               ]+ft1,nan
>>>> +[      ]+[0-9a-f]+:[   ]+f61000d3[     ]+fli\.q[               ]+ft1,0
>>>> +[      ]+[0-9a-f]+:[   ]+f61080d3[     ]+fli\.q[               ]+ft1,min
>>>> +[      ]+[0-9a-f]+:[   ]+f61100d3[     ]+fli\.q[               ]+ft1,2
>>>> +[      ]+[0-9a-f]+:[   ]+f61d80d3[     ]+fli\.q[               ]+ft1,27
>>>> +[      ]+[0-9a-f]+:[   ]+f61e00d3[     ]+fli\.q[               ]+ft1,28
>>>> +[      ]+[0-9a-f]+:[   ]+f61e80d3[     ]+fli\.q[               ]+ft1,29
>>>> +[      ]+[0-9a-f]+:[   ]+f61080d3[     ]+fli\.q[               ]+ft1,min
>>>> +[      ]+[0-9a-f]+:[   ]+f61f00d3[     ]+fli\.q[               ]+ft1,inf
>>>> +[      ]+[0-9a-f]+:[   ]+f61f80d3[     ]+fli\.q[               ]+ft1,nan
>>>> +[      ]+[0-9a-f]+:[   ]+2c3100d3[     ]+fmin\.h[              ]+ft1,ft2,ft3
>>>> +[      ]+[0-9a-f]+:[   ]+2c3120d3[     ]+fmini\.h[             ]+ft1,ft2,ft3
>>>> +[      ]+[0-9a-f]+:[   ]+283100d3[     ]+fmin\.s[              ]+ft1,ft2,ft3
>>>> +[      ]+[0-9a-f]+:[   ]+283120d3[     ]+fmini\.s[             ]+ft1,ft2,ft3
>>>> +[      ]+[0-9a-f]+:[   ]+2a3100d3[     ]+fmin\.d[              ]+ft1,ft2,ft3
>>>> +[      ]+[0-9a-f]+:[   ]+2a3120d3[     ]+fmini\.d[             ]+ft1,ft2,ft3
>>>> +[      ]+[0-9a-f]+:[   ]+2e3100d3[     ]+fmin\.q[              ]+ft1,ft2,ft3
>>>> +[      ]+[0-9a-f]+:[   ]+2e3120d3[     ]+fmini\.q[             ]+ft1,ft2,ft3
>>>> +[      ]+[0-9a-f]+:[   ]+2c3110d3[     ]+fmax\.h[              ]+ft1,ft2,ft3
>>>> +[      ]+[0-9a-f]+:[   ]+2c3130d3[     ]+fmaxi\.h[             ]+ft1,ft2,ft3
>>>> +[      ]+[0-9a-f]+:[   ]+283110d3[     ]+fmax\.s[              ]+ft1,ft2,ft3
>>>> +[      ]+[0-9a-f]+:[   ]+283130d3[     ]+fmaxi\.s[             ]+ft1,ft2,ft3
>>>> +[      ]+[0-9a-f]+:[   ]+2a3110d3[     ]+fmax\.d[              ]+ft1,ft2,ft3
>>>> +[      ]+[0-9a-f]+:[   ]+2a3130d3[     ]+fmaxi\.d[             ]+ft1,ft2,ft3
>>>> +[      ]+[0-9a-f]+:[   ]+2e3110d3[     ]+fmax\.q[              ]+ft1,ft2,ft3
>>>> +[      ]+[0-9a-f]+:[   ]+2e3130d3[     ]+fmaxi\.q[             ]+ft1,ft2,ft3
>>>> +[      ]+[0-9a-f]+:[   ]+4445f553[     ]+fround\.h[            ]+fa0,fa1
>>>> +[      ]+[0-9a-f]+:[   ]+44459553[     ]+fround\.h[            ]+fa0,fa1,rtz
>>>> +[      ]+[0-9a-f]+:[   ]+4045f553[     ]+fround\.s[            ]+fa0,fa1
>>>> +[      ]+[0-9a-f]+:[   ]+40459553[     ]+fround\.s[            ]+fa0,fa1,rtz
>>>> +[      ]+[0-9a-f]+:[   ]+4245f553[     ]+fround\.d[            ]+fa0,fa1
>>>> +[      ]+[0-9a-f]+:[   ]+42459553[     ]+fround\.d[            ]+fa0,fa1,rtz
>>>> +[      ]+[0-9a-f]+:[   ]+4645f553[     ]+fround\.q[            ]+fa0,fa1
>>>> +[      ]+[0-9a-f]+:[   ]+46459553[     ]+fround\.q[            ]+fa0,fa1,rtz
>>>> +[      ]+[0-9a-f]+:[   ]+4455f553[     ]+froundnx\.h[          ]+fa0,fa1
>>>> +[      ]+[0-9a-f]+:[   ]+44559553[     ]+froundnx\.h[          ]+fa0,fa1,rtz
>>>> +[      ]+[0-9a-f]+:[   ]+4055f553[     ]+froundnx\.s[          ]+fa0,fa1
>>>> +[      ]+[0-9a-f]+:[   ]+40559553[     ]+froundnx\.s[          ]+fa0,fa1,rtz
>>>> +[      ]+[0-9a-f]+:[   ]+4255f553[     ]+froundnx\.d[          ]+fa0,fa1
>>>> +[      ]+[0-9a-f]+:[   ]+42559553[     ]+froundnx\.d[          ]+fa0,fa1,rtz
>>>> +[      ]+[0-9a-f]+:[   ]+4655f553[     ]+froundnx\.q[          ]+fa0,fa1
>>>> +[      ]+[0-9a-f]+:[   ]+46559553[     ]+froundnx\.q[          ]+fa0,fa1,rtz
>>>> +[      ]+[0-9a-f]+:[   ]+c2809553[     ]+fcvtmod\.w\.d[        ]+a0,ft1,rtz
>>>> +[      ]+[0-9a-f]+:[   ]+a4209553[     ]+flt\.h[               ]+a0,ft1,ft2
>>>> +[      ]+[0-9a-f]+:[   ]+a420d553[     ]+fltq\.h[              ]+a0,ft1,ft2
>>>> +[      ]+[0-9a-f]+:[   ]+a0209553[     ]+flt\.s[               ]+a0,ft1,ft2
>>>> +[      ]+[0-9a-f]+:[   ]+a020d553[     ]+fltq\.s[              ]+a0,ft1,ft2
>>>> +[      ]+[0-9a-f]+:[   ]+a2209553[     ]+flt\.d[               ]+a0,ft1,ft2
>>>> +[      ]+[0-9a-f]+:[   ]+a220d553[     ]+fltq\.d[              ]+a0,ft1,ft2
>>>> +[      ]+[0-9a-f]+:[   ]+a6209553[     ]+flt\.q[               ]+a0,ft1,ft2
>>>> +[      ]+[0-9a-f]+:[   ]+a620d553[     ]+fltq\.q[              ]+a0,ft1,ft2
>>>> +[      ]+[0-9a-f]+:[   ]+a4208553[     ]+fle\.h[               ]+a0,ft1,ft2
>>>> +[      ]+[0-9a-f]+:[   ]+a420c553[     ]+fleq\.h[              ]+a0,ft1,ft2
>>>> +[      ]+[0-9a-f]+:[   ]+a0208553[     ]+fle\.s[               ]+a0,ft1,ft2
>>>> +[      ]+[0-9a-f]+:[   ]+a020c553[     ]+fleq\.s[              ]+a0,ft1,ft2
>>>> +[      ]+[0-9a-f]+:[   ]+a2208553[     ]+fle\.d[               ]+a0,ft1,ft2
>>>> +[      ]+[0-9a-f]+:[   ]+a220c553[     ]+fleq\.d[              ]+a0,ft1,ft2
>>>> +[      ]+[0-9a-f]+:[   ]+a6208553[     ]+fle\.q[               ]+a0,ft1,ft2
>>>> +[      ]+[0-9a-f]+:[   ]+a620c553[     ]+fleq\.q[              ]+a0,ft1,ft2
>>>> diff --git a/gas/testsuite/gas/riscv/zfa.s b/gas/testsuite/gas/riscv/zfa.s
>>>> new file mode 100644
>>>> index 00000000000..fb79792bf10
>>>> --- /dev/null
>>>> +++ b/gas/testsuite/gas/riscv/zfa.s
>>>> @@ -0,0 +1,92 @@
>>>> +target:
>>>> +       # fli: test both decimal and symbol representations
>>>> +       #      (0..29, min==1, inf==(30), nan==(31))
>>>> +       fli.h           ft1, 0
>>>> +       fli.h           ft1, 1
>>>> +       fli.h           ft1, 2
>>>> +       fli.h           ft1, 27
>>>> +       fli.h           ft1, 28
>>>> +       fli.h           ft1, 29
>>>> +       fli.h           ft1, min
>>>> +       fli.h           ft1, inf
>>>> +       fli.h           ft1, nan
>>>> +       fli.s           ft1, 0
>>>> +       fli.s           ft1, 1
>>>> +       fli.s           ft1, 2
>>>> +       fli.s           ft1, 27
>>>> +       fli.s           ft1, 28
>>>> +       fli.s           ft1, 29
>>>> +       fli.s           ft1, min
>>>> +       fli.s           ft1, inf
>>>> +       fli.s           ft1, nan
>>>> +       fli.d           ft1, 0
>>>> +       fli.d           ft1, 1
>>>> +       fli.d           ft1, 2
>>>> +       fli.d           ft1, 27
>>>> +       fli.d           ft1, 28
>>>> +       fli.d           ft1, 29
>>>> +       fli.d           ft1, min
>>>> +       fli.d           ft1, inf
>>>> +       fli.d           ft1, nan
>>>> +       fli.q           ft1, 0
>>>> +       fli.q           ft1, 1
>>>> +       fli.q           ft1, 2
>>>> +       fli.q           ft1, 27
>>>> +       fli.q           ft1, 28
>>>> +       fli.q           ft1, 29
>>>> +       fli.q           ft1, min
>>>> +       fli.q           ft1, inf
>>>> +       fli.q           ft1, nan
>>>> +       # fmini/fmaxi (Zfa): same as fmin/fmax (Zfh/F/D/Q) except bit 13 set
>>>> +       fmin.h          ft1, ft2, ft3
>>>> +       fmini.h         ft1, ft2, ft3
>>>> +       fmin.s          ft1, ft2, ft3
>>>> +       fmini.s         ft1, ft2, ft3
>>>> +       fmin.d          ft1, ft2, ft3
>>>> +       fmini.d         ft1, ft2, ft3
>>>> +       fmin.q          ft1, ft2, ft3
>>>> +       fmini.q         ft1, ft2, ft3
>>>> +       fmax.h          ft1, ft2, ft3
>>>> +       fmaxi.h         ft1, ft2, ft3
>>>> +       fmax.s          ft1, ft2, ft3
>>>> +       fmaxi.s         ft1, ft2, ft3
>>>> +       fmax.d          ft1, ft2, ft3
>>>> +       fmaxi.d         ft1, ft2, ft3
>>>> +       fmax.q          ft1, ft2, ft3
>>>> +       fmaxi.q         ft1, ft2, ft3
>>>> +       # fround/froundnx
>>>> +       fround.h        fa0, fa1
>>>> +       fround.h        fa0, fa1, rtz
>>>> +       fround.s        fa0, fa1
>>>> +       fround.s        fa0, fa1, rtz
>>>> +       fround.d        fa0, fa1
>>>> +       fround.d        fa0, fa1, rtz
>>>> +       fround.q        fa0, fa1
>>>> +       fround.q        fa0, fa1, rtz
>>>> +       froundnx.h      fa0, fa1
>>>> +       froundnx.h      fa0, fa1, rtz
>>>> +       froundnx.s      fa0, fa1
>>>> +       froundnx.s      fa0, fa1, rtz
>>>> +       froundnx.d      fa0, fa1
>>>> +       froundnx.d      fa0, fa1, rtz
>>>> +       froundnx.q      fa0, fa1
>>>> +       froundnx.q      fa0, fa1, rtz
>>>> +       # fcvtmod.w.d
>>>> +       fcvtmod.w.d     a0, ft1, rtz
>>>> +       # fltq/fleq (Zfa): same as flt/fle (Zfh/F/D/Q) except bit 14 set
>>>> +       flt.h           a0, ft1, ft2
>>>> +       fltq.h          a0, ft1, ft2
>>>> +       flt.s           a0, ft1, ft2
>>>> +       fltq.s          a0, ft1, ft2
>>>> +       flt.d           a0, ft1, ft2
>>>> +       fltq.d          a0, ft1, ft2
>>>> +       flt.q           a0, ft1, ft2
>>>> +       fltq.q          a0, ft1, ft2
>>>> +       fle.h           a0, ft1, ft2
>>>> +       fleq.h          a0, ft1, ft2
>>>> +       fle.s           a0, ft1, ft2
>>>> +       fleq.s          a0, ft1, ft2
>>>> +       fle.d           a0, ft1, ft2
>>>> +       fleq.d          a0, ft1, ft2
>>>> +       fle.q           a0, ft1, ft2
>>>> +       fleq.q          a0, ft1, ft2
>>>> diff --git a/include/opcode/riscv-opc.h b/include/opcode/riscv-opc.h
>>>> index 88b8d7ff595..9739ad24538 100644
>>>> --- a/include/opcode/riscv-opc.h
>>>> +++ b/include/opcode/riscv-opc.h
>>>> @@ -419,6 +419,72 @@
>>>>  #define MASK_FCVT_Q_L  0xfff0007f
>>>>  #define MATCH_FCVT_Q_LU 0xd6300053
>>>>  #define MASK_FCVT_Q_LU  0xfff0007f
>>>> +#define MATCH_FLI_H 0xf4100053
>>>> +#define MASK_FLI_H 0xfff0707f
>>>> +#define MATCH_FMINI_H 0x2c002053
>>>> +#define MASK_FMINI_H 0xfe00707f
>>>> +#define MATCH_FMAXI_H 0x2c003053
>>>> +#define MASK_FMAXI_H 0xfe00707f
>>>> +#define MATCH_FROUND_H 0x44400053
>>>> +#define MASK_FROUND_H 0xfff0007f
>>>> +#define MATCH_FROUNDNX_H 0x44500053
>>>> +#define MASK_FROUNDNX_H 0xfff0007f
>>>> +#define MATCH_FLTQ_H 0xa4005053
>>>> +#define MASK_FLTQ_H 0xfe00707f
>>>> +#define MATCH_FLEQ_H 0xa4004053
>>>> +#define MASK_FLEQ_H 0xfe00707f
>>>> +#define MATCH_FLI_S 0xf0100053
>>>> +#define MASK_FLI_S 0xfff0707f
>>>> +#define MATCH_FMINI_S 0x28002053
>>>> +#define MASK_FMINI_S 0xfe00707f
>>>> +#define MATCH_FMAXI_S 0x28003053
>>>> +#define MASK_FMAXI_S 0xfe00707f
>>>> +#define MATCH_FROUND_S 0x40400053
>>>> +#define MASK_FROUND_S 0xfff0007f
>>>> +#define MATCH_FROUNDNX_S 0x40500053
>>>> +#define MASK_FROUNDNX_S 0xfff0007f
>>>> +#define MATCH_FLTQ_S 0xa0005053
>>>> +#define MASK_FLTQ_S 0xfe00707f
>>>> +#define MATCH_FLEQ_S 0xa0004053
>>>> +#define MASK_FLEQ_S 0xfe00707f
>>>> +#define MATCH_FLI_D 0xf2100053
>>>> +#define MASK_FLI_D 0xfff0707f
>>>> +#define MATCH_FMINI_D 0x2a002053
>>>> +#define MASK_FMINI_D 0xfe00707f
>>>> +#define MATCH_FMAXI_D 0x2a003053
>>>> +#define MASK_FMAXI_D 0xfe00707f
>>>> +#define MATCH_FROUND_D 0x42400053
>>>> +#define MASK_FROUND_D 0xfff0007f
>>>> +#define MATCH_FROUNDNX_D 0x42500053
>>>> +#define MASK_FROUNDNX_D 0xfff0007f
>>>> +#define MATCH_FLTQ_D 0xa2005053
>>>> +#define MASK_FLTQ_D 0xfe00707f
>>>> +#define MATCH_FLEQ_D 0xa2004053
>>>> +#define MASK_FLEQ_D 0xfe00707f
>>>> +#define MATCH_FLI_Q 0xf6100053
>>>> +#define MASK_FLI_Q 0xfff0707f
>>>> +#define MATCH_FMINI_Q 0x2e002053
>>>> +#define MASK_FMINI_Q 0xfe00707f
>>>> +#define MATCH_FMAXI_Q 0x2e003053
>>>> +#define MASK_FMAXI_Q 0xfe00707f
>>>> +#define MATCH_FROUND_Q 0x46400053
>>>> +#define MASK_FROUND_Q 0xfff0007f
>>>> +#define MATCH_FROUNDNX_Q 0x46500053
>>>> +#define MASK_FROUNDNX_Q 0xfff0007f
>>>> +#define MATCH_FLTQ_Q 0xa6005053
>>>> +#define MASK_FLTQ_Q 0xfe00707f
>>>> +#define MATCH_FLEQ_Q 0xa6004053
>>>> +#define MASK_FLEQ_Q 0xfe00707f
>>>> +#define MATCH_FCVTMOD_W_D 0xc2801053
>>>> +#define MASK_FCVTMOD_W_D 0xfff0707f
>>>> +#define MATCH_FMVH_X_D 0xe2100053
>>>> +#define MASK_FMVH_X_D 0xfff0707f
>>>> +#define MATCH_FMVH_X_Q 0xe6100053
>>>> +#define MASK_FMVH_X_Q 0xfff0707f
>>>> +#define MATCH_FMVP_D_X 0xb2000053
>>>> +#define MASK_FMVP_D_X 0xfe00707f
>>>> +#define MATCH_FMVP_Q_X 0xb6000053
>>>> +#define MASK_FMVP_Q_X 0xfe00707f
>>>>  #define MATCH_CLZ 0x60001013
>>>>  #define MASK_CLZ  0xfff0707f
>>>>  #define MATCH_CTZ 0x60101013
>>>> @@ -2718,6 +2784,39 @@ DECLARE_INSN(fcvt_q_w, MATCH_FCVT_Q_W, MASK_FCVT_Q_W)
>>>>  DECLARE_INSN(fcvt_q_wu, MATCH_FCVT_Q_WU, MASK_FCVT_Q_WU)
>>>>  DECLARE_INSN(fcvt_q_l, MATCH_FCVT_Q_L, MASK_FCVT_Q_L)
>>>>  DECLARE_INSN(fcvt_q_lu, MATCH_FCVT_Q_LU, MASK_FCVT_Q_LU)
>>>> +DECLARE_INSN(fli_h, MATCH_FLI_H, MASK_FLI_H)
>>>> +DECLARE_INSN(fmini_h, MATCH_FMINI_H, MASK_FMINI_H)
>>>> +DECLARE_INSN(fmaxi_h, MATCH_FMAXI_H, MASK_FMAXI_H)
>>>> +DECLARE_INSN(fround_h, MATCH_FROUND_H, MASK_FROUND_H)
>>>> +DECLARE_INSN(fround_nx_h, MATCH_FROUNDNX_H, MASK_FROUNDNX_H)
>>>> +DECLARE_INSN(fltq_h, MATCH_FLTQ_H, MASK_FLTQ_H)
>>>> +DECLARE_INSN(fleq_h, MATCH_FLEQ_H, MASK_FLEQ_H)
>>>> +DECLARE_INSN(fli_s, MATCH_FLI_S, MASK_FLI_S)
>>>> +DECLARE_INSN(fmini_s, MATCH_FMINI_S, MASK_FMINI_S)
>>>> +DECLARE_INSN(fmaxi_s, MATCH_FMAXI_S, MASK_FMAXI_S)
>>>> +DECLARE_INSN(fround_s, MATCH_FROUND_S, MASK_FROUND_S)
>>>> +DECLARE_INSN(fround_nx_s, MATCH_FROUNDNX_S, MASK_FROUNDNX_S)
>>>> +DECLARE_INSN(fltq_s, MATCH_FLTQ_S, MASK_FLTQ_S)
>>>> +DECLARE_INSN(fleq_s, MATCH_FLEQ_S, MASK_FLEQ_S)
>>>> +DECLARE_INSN(fli_d, MATCH_FLI_D, MASK_FLI_D)
>>>> +DECLARE_INSN(fmini_d, MATCH_FMINI_D, MASK_FMINI_D)
>>>> +DECLARE_INSN(fmaxi_d, MATCH_FMAXI_D, MASK_FMAXI_D)
>>>> +DECLARE_INSN(fround_d, MATCH_FROUND_D, MASK_FROUND_D)
>>>> +DECLARE_INSN(fround_nx_d, MATCH_FROUNDNX_D, MASK_FROUNDNX_D)
>>>> +DECLARE_INSN(fltq_d, MATCH_FLTQ_D, MASK_FLTQ_D)
>>>> +DECLARE_INSN(fleq_d, MATCH_FLEQ_D, MASK_FLEQ_D)
>>>> +DECLARE_INSN(fli_q, MATCH_FLI_Q, MASK_FLI_Q)
>>>> +DECLARE_INSN(fmini_q, MATCH_FMINI_Q, MASK_FMINI_Q)
>>>> +DECLARE_INSN(fmaxi_q, MATCH_FMAXI_Q, MASK_FMAXI_Q)
>>>> +DECLARE_INSN(fround_q, MATCH_FROUND_Q, MASK_FROUND_Q)
>>>> +DECLARE_INSN(fround_nx_q, MATCH_FROUNDNX_Q, MASK_FROUNDNX_Q)
>>>> +DECLARE_INSN(fltq_q, MATCH_FLTQ_Q, MASK_FLTQ_Q)
>>>> +DECLARE_INSN(fleq_q, MATCH_FLEQ_Q, MASK_FLEQ_Q)
>>>> +DECLARE_INSN(fcvtmod_w_d, MATCH_FCVTMOD_W_D, MASK_FCVTMOD_W_D)
>>>> +DECLARE_INSN(fmvh_x_d, MATCH_FMVH_X_D, MASK_FMVH_X_D)
>>>> +DECLARE_INSN(fmvh_x_q, MATCH_FMVH_X_Q, MASK_FMVH_X_Q)
>>>> +DECLARE_INSN(fmvp_d_x, MATCH_FMVP_D_X, MASK_FMVP_D_X)
>>>> +DECLARE_INSN(fmvp_q_x, MATCH_FMVP_Q_X, MASK_FMVP_Q_X)
>>>>  DECLARE_INSN(clz, MATCH_CLZ, MASK_CLZ)
>>>>  DECLARE_INSN(ctz, MATCH_CTZ, MASK_CTZ)
>>>>  DECLARE_INSN(cpop, MATCH_CPOP, MASK_CPOP)
>>>> diff --git a/include/opcode/riscv.h b/include/opcode/riscv.h
>>>> index f1dabeaab8e..3e9feaac2a7 100644
>>>> --- a/include/opcode/riscv.h
>>>> +++ b/include/opcode/riscv.h
>>>> @@ -376,6 +376,10 @@ enum riscv_insn_class
>>>>    INSN_CLASS_ZFHMIN_OR_ZHINXMIN,
>>>>    INSN_CLASS_ZFHMIN_AND_D,
>>>>    INSN_CLASS_ZFHMIN_AND_Q,
>>>> +  INSN_CLASS_ZFA,
>>>> +  INSN_CLASS_D_AND_ZFA,
>>>> +  INSN_CLASS_Q_AND_ZFA,
>>>> +  INSN_CLASS_ZFH_AND_ZFA,
>>>>    INSN_CLASS_ZBA,
>>>>    INSN_CLASS_ZBB,
>>>>    INSN_CLASS_ZBC,
>>>> @@ -528,6 +532,7 @@ extern const char * const riscv_vsew[8];
>>>>  extern const char * const riscv_vlmul[8];
>>>>  extern const char * const riscv_vta[2];
>>>>  extern const char * const riscv_vma[2];
>>>> +extern const char * const riscv_fli_value[32];
>>>>
>>>>  extern const struct riscv_opcode riscv_opcodes[];
>>>>  extern const struct riscv_opcode riscv_insn_types[];
>>>> diff --git a/opcodes/riscv-dis.c b/opcodes/riscv-dis.c
>>>> index 7ae6e709290..7a8be52281f 100644
>>>> --- a/opcodes/riscv-dis.c
>>>> +++ b/opcodes/riscv-dis.c
>>>> @@ -563,6 +563,13 @@ print_insn_args (const char *oparg, insn_t l, bfd_vma pc, disassemble_info *info
>>>>           print (info->stream, dis_style_text, "%d", rs1);
>>>>           break;
>>>>
>>>> +       case 'i':
>>>> +         if (riscv_fli_value[rs1])
>>>> +           print (info->stream, dis_style_text, "%s", riscv_fli_value[rs1]);
>>>> +         else
>>>> +           print (info->stream, dis_style_immediate, "%d", rs1);
>>>> +         break;
>>>> +
>>>>         default:
>>>>           /* xgettext:c-format */
>>>>           print (info->stream, dis_style_text,
>>>> diff --git a/opcodes/riscv-opc.c b/opcodes/riscv-opc.c
>>>> index 79be78eb367..eb4da1a7485 100644
>>>> --- a/opcodes/riscv-opc.c
>>>> +++ b/opcodes/riscv-opc.c
>>>> @@ -97,6 +97,15 @@ const char * const riscv_vma[2] =
>>>>    "mu", "ma"
>>>>  };
>>>>
>>>> +/* The FLI.[HSDQ] value constants.  */
>>>> +const char * const riscv_fli_value[32] =
>>>> +{
>>>> +  NULL,  "min", NULL,  NULL,  NULL,  NULL,  NULL,  NULL,
>>>> +  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,
>>>> +  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,
>>>> +  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  "inf", "nan",
>>>> +};
>>>> +
>>>>  /* The order of overloaded instructions matters.  Label arguments and
>>>>     register arguments look the same. Instructions that can have either
>>>>     for arguments must apear in the correct order in this table for the
>>>> @@ -636,6 +645,15 @@ const struct riscv_opcode riscv_opcodes[] =
>>>>  {"fcvt.h.l",  64, INSN_CLASS_ZFH_OR_ZHINX,   "D,s,m",     MATCH_FCVT_H_L, MASK_FCVT_H_L, match_opcode, 0 },
>>>>  {"fcvt.h.lu", 64, INSN_CLASS_ZFH_OR_ZHINX,   "D,s",       MATCH_FCVT_H_LU|MASK_RM, MASK_FCVT_H_LU|MASK_RM, match_opcode, 0 },
>>>>  {"fcvt.h.lu", 64, INSN_CLASS_ZFH_OR_ZHINX,   "D,s,m",     MATCH_FCVT_H_LU, MASK_FCVT_H_LU, match_opcode, 0 },
>>>> +{"fli.h",      0, INSN_CLASS_ZFH_AND_ZFA,    "D,i",       MATCH_FLI_H, MASK_FLI_H, match_opcode, 0 },
>>>> +{"fmini.h",    0, INSN_CLASS_ZFH_AND_ZFA,    "D,S,T",     MATCH_FMINI_H, MASK_FMINI_H, match_opcode, 0 },
>>>> +{"fmaxi.h",    0, INSN_CLASS_ZFH_AND_ZFA,    "D,S,T",     MATCH_FMAXI_H, MASK_FMAXI_H, match_opcode, 0 },
>>>> +{"fround.h",   0, INSN_CLASS_ZFH_AND_ZFA,    "D,S",       MATCH_FROUND_H|MASK_RM, MASK_FROUND_H|MASK_RM, match_opcode, 0 },
>>>> +{"fround.h",   0, INSN_CLASS_ZFH_AND_ZFA,    "D,S,m",     MATCH_FROUND_H, MASK_FROUND_H, match_opcode, 0 },
>>>> +{"froundnx.h", 0, INSN_CLASS_ZFH_AND_ZFA,    "D,S",       MATCH_FROUNDNX_H|MASK_RM, MASK_FROUNDNX_H|MASK_RM, match_opcode, 0 },
>>>> +{"froundnx.h", 0, INSN_CLASS_ZFH_AND_ZFA,    "D,S,m",     MATCH_FROUNDNX_H, MASK_FROUNDNX_H, match_opcode, 0 },
>>>> +{"fltq.h",     0, INSN_CLASS_ZFH_AND_ZFA,    "d,S,T",     MATCH_FLTQ_H, MASK_FLTQ_H, match_opcode, 0 },
>>>> +{"fleq.h",     0, INSN_CLASS_ZFH_AND_ZFA,    "d,S,T",     MATCH_FLEQ_H, MASK_FLEQ_H, match_opcode, 0 },
>>>>
>>>>  /* Single-precision floating-point instruction subset.  */
>>>>  {"frcsr",      0, INSN_CLASS_F_OR_ZFINX,   "d",         MATCH_FRCSR, MASK_FRCSR, match_opcode, INSN_ALIAS },
>>>> @@ -714,7 +732,16 @@ const struct riscv_opcode riscv_opcodes[] =
>>>>  {"fcvt.s.l",  64, INSN_CLASS_F_OR_ZFINX,   "D,s,m",     MATCH_FCVT_S_L, MASK_FCVT_S_L, match_opcode, 0 },
>>>>  {"fcvt.s.lu", 64, INSN_CLASS_F_OR_ZFINX,   "D,s",       MATCH_FCVT_S_LU|MASK_RM, MASK_FCVT_S_LU|MASK_RM, match_opcode, 0 },
>>>>  {"fcvt.s.lu", 64, INSN_CLASS_F_OR_ZFINX,   "D,s,m",     MATCH_FCVT_S_LU, MASK_FCVT_S_LU, match_opcode, 0 },
>>>> -
>>>> +{"fli.s",      0, INSN_CLASS_ZFA,          "D,i",       MATCH_FLI_S, MASK_FLI_S, match_opcode, 0 },
>>>> +{"fmini.s",    0, INSN_CLASS_ZFA,          "D,S,T",     MATCH_FMINI_S, MASK_FMINI_S, match_opcode, 0 },
>>>> +{"fmaxi.s",    0, INSN_CLASS_ZFA,          "D,S,T",     MATCH_FMAXI_S, MASK_FMAXI_S, match_opcode, 0 },
>>>> +{"fround.s",   0, INSN_CLASS_ZFA,          "D,S",       MATCH_FROUND_S|MASK_RM, MASK_FROUND_S|MASK_RM, match_opcode, 0 },
>>>> +{"fround.s",   0, INSN_CLASS_ZFA,          "D,S,m",     MATCH_FROUND_S, MASK_FROUND_S, match_opcode, 0 },
>>>> +{"froundnx.s", 0, INSN_CLASS_ZFA,          "D,S",       MATCH_FROUNDNX_S|MASK_RM, MASK_FROUNDNX_S|MASK_RM, match_opcode, 0 },
>>>> +{"froundnx.s", 0, INSN_CLASS_ZFA,          "D,S,m",     MATCH_FROUNDNX_S, MASK_FROUNDNX_S, match_opcode, 0 },
>>>> +{"fltq.s",     0, INSN_CLASS_ZFA,          "d,S,T",     MATCH_FLTQ_S, MASK_FLTQ_S, match_opcode, 0 },
>>>> +{"fleq.s",     0, INSN_CLASS_ZFA,          "d,S,T",     MATCH_FLEQ_S, MASK_FLEQ_S, match_opcode, 0 },
>>>> +
>>>>  /* Double-precision floating-point instruction subset.  */
>>>>  {"fld",        0, INSN_CLASS_D_AND_C, "D,Cn(Cc)",  MATCH_C_FLDSP, MASK_C_FLDSP, match_opcode, INSN_ALIAS|INSN_DREF|INSN_8_BYTE },
>>>>  {"fld",        0, INSN_CLASS_D_AND_C, "CD,Cl(Cs)", MATCH_C_FLD, MASK_C_FLD, match_opcode, INSN_ALIAS|INSN_DREF|INSN_8_BYTE },
>>>> @@ -775,6 +802,18 @@ const struct riscv_opcode riscv_opcodes[] =
>>>>  {"fcvt.d.l",  64, INSN_CLASS_D_OR_ZDINX,   "D,s,m",     MATCH_FCVT_D_L, MASK_FCVT_D_L, match_opcode, 0 },
>>>>  {"fcvt.d.lu", 64, INSN_CLASS_D_OR_ZDINX,   "D,s",       MATCH_FCVT_D_LU|MASK_RM, MASK_FCVT_D_LU|MASK_RM, match_opcode, 0 },
>>>>  {"fcvt.d.lu", 64, INSN_CLASS_D_OR_ZDINX,   "D,s,m",     MATCH_FCVT_D_LU, MASK_FCVT_D_LU, match_opcode, 0 },
>>>> +{"fli.d",       0, INSN_CLASS_D_AND_ZFA,   "D,i",       MATCH_FLI_D, MASK_FLI_D, match_opcode, 0 },
>>>> +{"fmini.d",     0, INSN_CLASS_D_AND_ZFA,   "D,S,T",     MATCH_FMINI_D, MASK_FMINI_D, match_opcode, 0 },
>>>> +{"fmaxi.d",     0, INSN_CLASS_D_AND_ZFA,   "D,S,T",     MATCH_FMAXI_D, MASK_FMAXI_D, match_opcode, 0 },
>>>> +{"fround.d",    0, INSN_CLASS_D_AND_ZFA,   "D,S",       MATCH_FROUND_D|MASK_RM, MASK_FROUND_D|MASK_RM, match_opcode, 0 },
>>>> +{"fround.d",    0, INSN_CLASS_D_AND_ZFA,   "D,S,m",     MATCH_FROUND_D, MASK_FROUND_D, match_opcode, 0 },
>>>> +{"froundnx.d",  0, INSN_CLASS_D_AND_ZFA,   "D,S",       MATCH_FROUNDNX_D|MASK_RM, MASK_FROUNDNX_D|MASK_RM, match_opcode, 0 },
>>>> +{"froundnx.d",  0, INSN_CLASS_D_AND_ZFA,   "D,S,m",     MATCH_FROUNDNX_D, MASK_FROUNDNX_D, match_opcode, 0 },
>>>> +{"fcvtmod.w.d", 0, INSN_CLASS_D_AND_ZFA,   "d,S,m",     MATCH_FCVTMOD_W_D, MASK_FCVTMOD_W_D, match_opcode, 0 },
>>>> +{"fltq.d",      0, INSN_CLASS_D_AND_ZFA,   "d,S,T",     MATCH_FLTQ_D, MASK_FLTQ_D, match_opcode, 0 },
>>>> +{"fleq.d",      0, INSN_CLASS_D_AND_ZFA,   "d,S,T",     MATCH_FLEQ_D, MASK_FLEQ_D, match_opcode, 0 },
>>>> +{"fmvh.x.d",   32, INSN_CLASS_D_AND_ZFA,   "d,S",       MATCH_FMVH_X_D, MASK_FMVH_X_D, match_opcode, 0},
>>>> +{"fmvp.d.x",   32, INSN_CLASS_D_AND_ZFA,   "D,s,t",     MATCH_FMVP_D_X, MASK_FMVP_D_X, match_opcode, 0},
>>>>
>>>>  /* Quad-precision floating-point instruction subset.  */
>>>>  {"flq",        0, INSN_CLASS_Q,   "D,o(s)",    MATCH_FLQ, MASK_FLQ, match_opcode, INSN_DREF|INSN_16_BYTE },
>>>> @@ -833,6 +872,17 @@ const struct riscv_opcode riscv_opcodes[] =
>>>>  {"fcvt.q.l",  64, INSN_CLASS_Q_OR_ZQINX,   "D,s,m",     MATCH_FCVT_Q_L, MASK_FCVT_Q_L, match_opcode, 0 },
>>>>  {"fcvt.q.lu", 64, INSN_CLASS_Q_OR_ZQINX,   "D,s",       MATCH_FCVT_Q_LU, MASK_FCVT_Q_LU|MASK_RM, match_opcode, 0 },
>>>>  {"fcvt.q.lu", 64, INSN_CLASS_Q_OR_ZQINX,   "D,s,m",     MATCH_FCVT_Q_LU, MASK_FCVT_Q_LU, match_opcode, 0 },
>>>> +{"fli.q",       0, INSN_CLASS_Q_AND_ZFA,   "D,i",       MATCH_FLI_Q, MASK_FLI_Q, match_opcode, 0 },
>>>> +{"fmini.q",     0, INSN_CLASS_Q_AND_ZFA,   "D,S,T",     MATCH_FMINI_Q, MASK_FMINI_Q, match_opcode, 0 },
>>>> +{"fmaxi.q",     0, INSN_CLASS_Q_AND_ZFA,   "D,S,T",     MATCH_FMAXI_Q, MASK_FMAXI_Q, match_opcode, 0 },
>>>> +{"fround.q",    0, INSN_CLASS_Q_AND_ZFA,   "D,S",       MATCH_FROUND_Q|MASK_RM, MASK_FROUND_Q|MASK_RM, match_opcode, 0 },
>>>> +{"fround.q",    0, INSN_CLASS_Q_AND_ZFA,   "D,S,m",     MATCH_FROUND_Q, MASK_FROUND_Q, match_opcode, 0 },
>>>> +{"froundnx.q",  0, INSN_CLASS_Q_AND_ZFA,   "D,S",       MATCH_FROUNDNX_Q|MASK_RM, MASK_FROUNDNX_Q|MASK_RM, match_opcode, 0 },
>>>> +{"froundnx.q",  0, INSN_CLASS_Q_AND_ZFA,   "D,S,m",     MATCH_FROUNDNX_Q, MASK_FROUNDNX_Q, match_opcode, 0 },
>>>> +{"fltq.q",      0, INSN_CLASS_Q_AND_ZFA,   "d,S,T",     MATCH_FLTQ_Q, MASK_FLTQ_Q, match_opcode, 0 },
>>>> +{"fleq.q",      0, INSN_CLASS_Q_AND_ZFA,   "d,S,T",     MATCH_FLEQ_Q, MASK_FLEQ_Q, match_opcode, 0 },
>>>> +{"fmvh.x.q",   64, INSN_CLASS_Q_AND_ZFA,   "d,S",       MATCH_FMVH_X_Q, MASK_FMVH_X_Q, match_opcode, 0},
>>>> +{"fmvp.q.x",   64, INSN_CLASS_Q_AND_ZFA,   "D,s,t",     MATCH_FMVP_Q_X, MASK_FMVP_Q_X, match_opcode, 0},
>>>>
>>>>  /* Compressed instructions.  */
>>>>  {"c.unimp",    0, INSN_CLASS_C,   "",          0, 0xffffU,  match_opcode, 0 },
>>>> --
>>>> 2.34.1
>>>>
>>>
> 

  reply	other threads:[~2023-03-22 17:00 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-18 10:12 [REVIEW ONLY 0/1] RISC-V (unratified): " Tsukasa OI
2022-09-18 10:12 ` [REVIEW ONLY 1/1] UNRATIFIED RISC-V: " Tsukasa OI
2023-03-22 15:47   ` Christoph Müllner
2023-03-22 16:01     ` Philipp Tomsich
2023-03-22 16:07     ` Tsukasa OI
2023-03-22 16:21       ` Christoph Müllner
2023-03-22 17:00         ` Tsukasa OI [this message]
2023-03-23 13:17           ` Kito Cheng
2023-03-26 15:43     ` Jeff Law
2023-03-27  0:13       ` Philipp Tomsich

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