From: Nelson Chu <nelson@rivosinc.com>
To: Mary Bennett <mary.bennett@embecosm.com>
Cc: binutils@sourceware.org
Subject: Re: [PATCH 1/3] RISC-V: Add support for XCVelw extension in CV32E40P
Date: Tue, 21 Nov 2023 12:20:40 +0800 [thread overview]
Message-ID: <CAPpQWtCijKr1wt_4CeVY-7paFYrs4jW0Gs5-Uj_Fym_tYNtfCQ@mail.gmail.com> (raw)
In-Reply-To: <20231113121425.958923-2-mary.bennett@embecosm.com>
[-- Attachment #1: Type: text/plain, Size: 18251 bytes --]
On Mon, Nov 13, 2023 at 8:15 PM Mary Bennett <mary.bennett@embecosm.com>
wrote:
> Spec:
> https://docs.openhwgroup.org/projects/cv32e40p-user-manual/en/latest/instruction_set_extensions.html
>
> Contributors:
> Mary Bennett <mary.bennett@embecosm.com>
> Nandni Jamnadas <nandni.jamnadas@embecosm.com>
> Pietra Ferreira <pietra.ferreira@embecosm.com>
> Charlie Keaney
> Jessica Mills
> Craig Blackmore <craig.blackmore@embecosm.com>
> Simon Cook <simon.cook@embecosm.com>
> Jeremy Bennett <jeremy.bennett@embecosm.com>
> Helene Chelin <helene.chelin@embecosm.com>
>
> bfd/ChangeLog:
>
> * elfxx-riscv.c (riscv_multi_subset_supports): Add `xcvelw`
> instruction class.
> (riscv_multi_subset_supports_ext): Likewise.
>
> gas/ChangeLog:
>
> * doc/c-riscv.texi: Note XCVelw as an additional ISA extension
> for CORE-V.
> * testsuite/gas/riscv/cv-elw-fail.d: New test.
> * testsuite/gas/riscv/cv-elw-fail.l: New test.
> * testsuite/gas/riscv/cv-elw-fail.s: New test.
> * testsuite/gas/riscv/cv-elw-fail-march.d: New test.
> * testsuite/gas/riscv/cv-elw-fail-march.l: New test.
> * testsuite/gas/riscv/cv-elw-fail-march.s: New test.
> * testsuite/gas/riscv/cv-elw-pass.d: New test.
> * testsuite/gas/riscv/cv-elw-pass.s: New test.
>
> opcodes/ChangeLog:
>
> * riscv-opc.c: (riscv_opcode) Add event load instructions.
>
> include/ChangeLog:
>
> * opcode/riscv-opc.h: Add corresponding MATCH and MASK
> instruction opcode macros.
> * opcode/riscv.h (riscv_insn_class): Add INSN_CLASS_XCVELW.
> ---
> bfd/elfxx-riscv.c | 5 +++
> gas/doc/c-riscv.texi | 5 +++
> gas/testsuite/gas/riscv/cv-elw-fail-march.d | 3 ++
> gas/testsuite/gas/riscv/cv-elw-fail-march.l | 38 +++++++++++++++++
> gas/testsuite/gas/riscv/cv-elw-fail-march.s | 42 +++++++++++++++++++
> gas/testsuite/gas/riscv/cv-elw-fail.d | 3 ++
> gas/testsuite/gas/riscv/cv-elw-fail.l | 5 +++
> gas/testsuite/gas/riscv/cv-elw-fail.s | 8 ++++
> gas/testsuite/gas/riscv/cv-elw-pass.d | 46 +++++++++++++++++++++
> gas/testsuite/gas/riscv/cv-elw-pass.s | 42 +++++++++++++++++++
> include/opcode/riscv-opc.h | 3 ++
> include/opcode/riscv.h | 1 +
> opcodes/riscv-opc.c | 3 ++
> 13 files changed, 204 insertions(+)
> create mode 100644 gas/testsuite/gas/riscv/cv-elw-fail-march.d
> create mode 100644 gas/testsuite/gas/riscv/cv-elw-fail-march.l
> create mode 100644 gas/testsuite/gas/riscv/cv-elw-fail-march.s
> create mode 100644 gas/testsuite/gas/riscv/cv-elw-fail.d
> create mode 100644 gas/testsuite/gas/riscv/cv-elw-fail.l
> create mode 100644 gas/testsuite/gas/riscv/cv-elw-fail.s
> create mode 100644 gas/testsuite/gas/riscv/cv-elw-pass.d
> create mode 100644 gas/testsuite/gas/riscv/cv-elw-pass.s
>
> diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c
> index c9acf124626..545588b5afd 100644
> --- a/bfd/elfxx-riscv.c
> +++ b/bfd/elfxx-riscv.c
> @@ -1361,6 +1361,7 @@ static struct riscv_supported_ext
> riscv_supported_vendor_x_ext[] =
> {
> {"xcvmac", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
> {"xcvalu", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
> + {"xcvelw", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
> {"xtheadba", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
> {"xtheadbb", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
> {"xtheadbs", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
> @@ -2556,6 +2557,8 @@ riscv_multi_subset_supports (riscv_parse_subset_t
> *rps,
> return riscv_subset_supports (rps, "xcvmac");
> case INSN_CLASS_XCVALU:
> return riscv_subset_supports (rps, "xcvalu");
> + case INSN_CLASS_XCVELW:
> + return riscv_subset_supports (rps, "xcvelw");
> case INSN_CLASS_XTHEADBA:
> return riscv_subset_supports (rps, "xtheadba");
> case INSN_CLASS_XTHEADBB:
> @@ -2800,6 +2803,8 @@ riscv_multi_subset_supports_ext
> (riscv_parse_subset_t *rps,
> return "xcvmac";
> case INSN_CLASS_XCVALU:
> return "xcvalu";
> + case INSN_CLASS_XCVELW:
> + return "xcvelw";
> case INSN_CLASS_XTHEADBA:
> return "xtheadba";
> case INSN_CLASS_XTHEADBB:
> diff --git a/gas/doc/c-riscv.texi b/gas/doc/c-riscv.texi
> index b23504648bd..8d2b8b2d4bb 100644
> --- a/gas/doc/c-riscv.texi
> +++ b/gas/doc/c-riscv.texi
> @@ -754,6 +754,11 @@ The Xcvalu extension provides instructions for
> general ALU operations.
>
> It is documented in @url{
> https://docs.openhwgroup.org/projects/cv32e40p-user-manual/en/latest/instruction_set_extensions.html
> }
>
> +@item Xcvelw
> +The Xcvelw extension provides instructions for event load word operations.
> +
> +It is documented in @url{
> https://docs.openhwgroup.org/projects/cv32e40p-user-manual/en/latest/instruction_set_extensions.html
> }
> +
> @item XTheadBa
> The XTheadBa extension provides instructions for address calculations.
>
> diff --git a/gas/testsuite/gas/riscv/cv-elw-fail-march.d
> b/gas/testsuite/gas/riscv/cv-elw-fail-march.d
> new file mode 100644
> index 00000000000..5a3a6dba66b
> --- /dev/null
> +++ b/gas/testsuite/gas/riscv/cv-elw-fail-march.d
> @@ -0,0 +1,3 @@
> +#as: -march=rv32i
> +#source: cv-elw-fail-march.s
> +#error_output: cv-elw-fail-march.l
> diff --git a/gas/testsuite/gas/riscv/cv-elw-fail-march.l
> b/gas/testsuite/gas/riscv/cv-elw-fail-march.l
> new file mode 100644
> index 00000000000..760a71b3827
> --- /dev/null
> +++ b/gas/testsuite/gas/riscv/cv-elw-fail-march.l
> @@ -0,0 +1,38 @@
> +.*: Assembler messages:
> +.*: Error: unrecognized opcode `cv.elw x5,-2048\(x6\)', extension
> `xcvelw' required
> +.*: Error: unrecognized opcode `cv.elw x5,0\(x6\)', extension `xcvelw'
> required
> +.*: Error: unrecognized opcode `cv.elw x5,20\(x6\)', extension `xcvelw'
> required
> +.*: Error: unrecognized opcode `cv.elw x5,2047\(x6\)', extension `xcvelw'
> required
> +.*: Error: unrecognized opcode `cv.elw x31,2047\(x31\)', extension
> `xcvelw' required
> +.*: Error: unrecognized opcode `cv.elw x0,0\(x0\)', extension `xcvelw'
> required
> +.*: Error: unrecognized opcode `cv.elw x1,1024\(x1\)', extension `xcvelw'
> required
> +.*: Error: unrecognized opcode `cv.elw x2,1024\(x2\)', extension `xcvelw'
> required
> +.*: Error: unrecognized opcode `cv.elw x3,1024\(x3\)', extension `xcvelw'
> required
> +.*: Error: unrecognized opcode `cv.elw x4,1024\(x4\)', extension `xcvelw'
> required
> +.*: Error: unrecognized opcode `cv.elw x5,1024\(x5\)', extension `xcvelw'
> required
> +.*: Error: unrecognized opcode `cv.elw x6,1024\(x6\)', extension `xcvelw'
> required
> +.*: Error: unrecognized opcode `cv.elw x7,1024\(x7\)', extension `xcvelw'
> required
> +.*: Error: unrecognized opcode `cv.elw x8,1024\(x8\)', extension `xcvelw'
> required
> +.*: Error: unrecognized opcode `cv.elw x9,1024\(x9\)', extension `xcvelw'
> required
> +.*: Error: unrecognized opcode `cv.elw x10,1024\(x10\)', extension
> `xcvelw' required
> +.*: Error: unrecognized opcode `cv.elw x11,1024\(x11\)', extension
> `xcvelw' required
> +.*: Error: unrecognized opcode `cv.elw x12,1024\(x12\)', extension
> `xcvelw' required
> +.*: Error: unrecognized opcode `cv.elw x13,1024\(x13\)', extension
> `xcvelw' required
> +.*: Error: unrecognized opcode `cv.elw x14,1024\(x14\)', extension
> `xcvelw' required
> +.*: Error: unrecognized opcode `cv.elw x15,1024\(x15\)', extension
> `xcvelw' required
> +.*: Error: unrecognized opcode `cv.elw x16,1024\(x16\)', extension
> `xcvelw' required
> +.*: Error: unrecognized opcode `cv.elw x17,1024\(x17\)', extension
> `xcvelw' required
> +.*: Error: unrecognized opcode `cv.elw x18,1024\(x18\)', extension
> `xcvelw' required
> +.*: Error: unrecognized opcode `cv.elw x19,1024\(x19\)', extension
> `xcvelw' required
> +.*: Error: unrecognized opcode `cv.elw x20,1024\(x20\)', extension
> `xcvelw' required
> +.*: Error: unrecognized opcode `cv.elw x21,1024\(x21\)', extension
> `xcvelw' required
> +.*: Error: unrecognized opcode `cv.elw x22,1024\(x22\)', extension
> `xcvelw' required
> +.*: Error: unrecognized opcode `cv.elw x23,1024\(x23\)', extension
> `xcvelw' required
> +.*: Error: unrecognized opcode `cv.elw x24,1024\(x24\)', extension
> `xcvelw' required
> +.*: Error: unrecognized opcode `cv.elw x25,1024\(x25\)', extension
> `xcvelw' required
> +.*: Error: unrecognized opcode `cv.elw x26,1024\(x26\)', extension
> `xcvelw' required
> +.*: Error: unrecognized opcode `cv.elw x27,1024\(x27\)', extension
> `xcvelw' required
> +.*: Error: unrecognized opcode `cv.elw x28,1024\(x28\)', extension
> `xcvelw' required
> +.*: Error: unrecognized opcode `cv.elw x29,1024\(x29\)', extension
> `xcvelw' required
> +.*: Error: unrecognized opcode `cv.elw x30,1024\(x30\)', extension
> `xcvelw' required
> +.*: Error: unrecognized opcode `cv.elw x31,1024\(x31\)', extension
> `xcvelw' required
> diff --git a/gas/testsuite/gas/riscv/cv-elw-fail-march.s
> b/gas/testsuite/gas/riscv/cv-elw-fail-march.s
> new file mode 100644
> index 00000000000..8728f1cbdee
> --- /dev/null
> +++ b/gas/testsuite/gas/riscv/cv-elw-fail-march.s
> @@ -0,0 +1,42 @@
> +target:
> + # Immediate Boundary Tests
> + cv.elw x5,-2048(x6)
> + cv.elw x5,0(x6)
> + cv.elw x5,20(x6)
> + cv.elw x5,2047(x6)
> + cv.elw x31,2047(x31)
> +
> + # Register Boundary Tests
> + cv.elw x0,0(x0)
> + cv.elw x1,1024(x1)
> + cv.elw x2,1024(x2)
> + cv.elw x3,1024(x3)
> + cv.elw x4,1024(x4)
> + cv.elw x5,1024(x5)
> + cv.elw x6,1024(x6)
> + cv.elw x7,1024(x7)
> + cv.elw x8,1024(x8)
> + cv.elw x9,1024(x9)
> + cv.elw x10,1024(x10)
> + cv.elw x11,1024(x11)
> + cv.elw x12,1024(x12)
> + cv.elw x13,1024(x13)
> + cv.elw x14,1024(x14)
> + cv.elw x15,1024(x15)
> + cv.elw x16,1024(x16)
> + cv.elw x17,1024(x17)
> + cv.elw x18,1024(x18)
> + cv.elw x19,1024(x19)
> + cv.elw x20,1024(x20)
> + cv.elw x21,1024(x21)
> + cv.elw x22,1024(x22)
> + cv.elw x23,1024(x23)
> + cv.elw x24,1024(x24)
> + cv.elw x25,1024(x25)
> + cv.elw x26,1024(x26)
> + cv.elw x27,1024(x27)
> + cv.elw x28,1024(x28)
> + cv.elw x29,1024(x29)
> + cv.elw x30,1024(x30)
> + cv.elw x31,1024(x31)
> +
> \ No newline at end of file
> diff --git a/gas/testsuite/gas/riscv/cv-elw-fail.d
> b/gas/testsuite/gas/riscv/cv-elw-fail.d
> new file mode 100644
> index 00000000000..d7fd1d1a6cb
> --- /dev/null
> +++ b/gas/testsuite/gas/riscv/cv-elw-fail.d
> @@ -0,0 +1,3 @@
> +#as: -march=rv32i_xcvelw
> +#source: cv-elw-fail.s
> +#error_output: cv-elw-fail.l
> diff --git a/gas/testsuite/gas/riscv/cv-elw-fail.l
> b/gas/testsuite/gas/riscv/cv-elw-fail.l
> new file mode 100644
> index 00000000000..4d3f15ba138
> --- /dev/null
> +++ b/gas/testsuite/gas/riscv/cv-elw-fail.l
> @@ -0,0 +1,5 @@
> +.*: Assembler messages:
> +.*: Error: illegal operands `cv.elw x5,-2049\(x6\)'
> +.*: Error: illegal operands `cv.elw x5,2048\(x6\)'
> +.*: Error: illegal operands `cv.elw x-1,1024\(x-1\)'
> +.*: Error: illegal operands `cv.elw x32,1024\(x32\)'
> \ No newline at end of file
> diff --git a/gas/testsuite/gas/riscv/cv-elw-fail.s
> b/gas/testsuite/gas/riscv/cv-elw-fail.s
> new file mode 100644
> index 00000000000..4ce122297f4
> --- /dev/null
> +++ b/gas/testsuite/gas/riscv/cv-elw-fail.s
> @@ -0,0 +1,8 @@
> +target:
> + # Immediate Boundary Tests
> + cv.elw x5,-2049(x6)
> + cv.elw x5,2048(x6)
> +
> + # Register Boundary Tests
> + cv.elw x-1,1024(x-1)
> + cv.elw x32,1024(x32)
> diff --git a/gas/testsuite/gas/riscv/cv-elw-pass.d
> b/gas/testsuite/gas/riscv/cv-elw-pass.d
> new file mode 100644
> index 00000000000..fed2c870e7e
> --- /dev/null
> +++ b/gas/testsuite/gas/riscv/cv-elw-pass.d
> @@ -0,0 +1,46 @@
> +#as: -march=rv32i_xcvelw
> +#source: cv-elw-pass.s
> +#objdump: -d
> +
> +.*:[ ]+file format .*
> +
> +Disassembly of section .text:
> +
> +0+000 <target>:
> +[ ]+0:[ ]+80036283[ ]+cv.elw[ ]+t0,-2048\(t1\)
> +[ ]+4:[ ]+00036283[ ]+cv.elw[ ]+t0,0\(t1\)
> +[ ]+8:[ ]+01436283[ ]+cv.elw[ ]+t0,20\(t1\)
> +[ ]+c:[ ]+7ff36283[ ]+cv.elw[ ]+t0,2047\(t1\)
> +[ ]+10:[ ]+7fffef83[ ]+cv.elw[ ]+t6,2047\(t6\)
> +[ ]+14:[ ]+00006003[ ]+cv.elw[ ]+zero,0\(zero\) # 0
> <target>
> +[ ]+18:[ ]+4000e083[ ]+cv.elw[ ]+ra,1024\(ra\)
> +[ ]+1c:[ ]+40016103[ ]+cv.elw[ ]+sp,1024\(sp\)
> +[ ]+20:[ ]+4001e183[ ]+cv.elw[ ]+gp,1024\(gp\)
> +[ ]+24:[ ]+40026203[ ]+cv.elw[ ]+tp,1024\(tp\) # 400
> <target\+0x400>
> +[ ]+28:[ ]+4002e283[ ]+cv.elw[ ]+t0,1024\(t0\)
> +[ ]+2c:[ ]+40036303[ ]+cv.elw[ ]+t1,1024\(t1\)
> +[ ]+30:[ ]+4003e383[ ]+cv.elw[ ]+t2,1024\(t2\)
> +[ ]+34:[ ]+40046403[ ]+cv.elw[ ]+s0,1024\(s0\)
> +[ ]+38:[ ]+4004e483[ ]+cv.elw[ ]+s1,1024\(s1\)
> +[ ]+3c:[ ]+40056503[ ]+cv.elw[ ]+a0,1024\(a0\)
> +[ ]+40:[ ]+4005e583[ ]+cv.elw[ ]+a1,1024\(a1\)
> +[ ]+44:[ ]+40066603[ ]+cv.elw[ ]+a2,1024\(a2\)
> +[ ]+48:[ ]+4006e683[ ]+cv.elw[ ]+a3,1024\(a3\)
> +[ ]+4c:[ ]+40076703[ ]+cv.elw[ ]+a4,1024\(a4\)
> +[ ]+50:[ ]+4007e783[ ]+cv.elw[ ]+a5,1024\(a5\)
> +[ ]+54:[ ]+40086803[ ]+cv.elw[ ]+a6,1024\(a6\)
> +[ ]+58:[ ]+4008e883[ ]+cv.elw[ ]+a7,1024\(a7\)
> +[ ]+5c:[ ]+40096903[ ]+cv.elw[ ]+s2,1024\(s2\)
> +[ ]+60:[ ]+4009e983[ ]+cv.elw[ ]+s3,1024\(s3\)
> +[ ]+64:[ ]+400a6a03[ ]+cv.elw[ ]+s4,1024\(s4\)
> +[ ]+68:[ ]+400aea83[ ]+cv.elw[ ]+s5,1024\(s5\)
> +[ ]+6c:[ ]+400b6b03[ ]+cv.elw[ ]+s6,1024\(s6\)
> +[ ]+70:[ ]+400beb83[ ]+cv.elw[ ]+s7,1024\(s7\)
> +[ ]+74:[ ]+400c6c03[ ]+cv.elw[ ]+s8,1024\(s8\)
> +[ ]+78:[ ]+400cec83[ ]+cv.elw[ ]+s9,1024\(s9\)
> +[ ]+7c:[ ]+400d6d03[ ]+cv.elw[ ]+s10,1024\(s10\)
> +[ ]+80:[ ]+400ded83[ ]+cv.elw[ ]+s11,1024\(s11\)
> +[ ]+84:[ ]+400e6e03[ ]+cv.elw[ ]+t3,1024\(t3\)
> +[ ]+88:[ ]+400eee83[ ]+cv.elw[ ]+t4,1024\(t4\)
> +[ ]+8c:[ ]+400f6f03[ ]+cv.elw[ ]+t5,1024\(t5\)
> +[ ]+90:[ ]+400fef83[ ]+cv.elw[ ]+t6,1024\(t6\)
> diff --git a/gas/testsuite/gas/riscv/cv-elw-pass.s
> b/gas/testsuite/gas/riscv/cv-elw-pass.s
> new file mode 100644
> index 00000000000..ed6d1882f06
> --- /dev/null
> +++ b/gas/testsuite/gas/riscv/cv-elw-pass.s
> @@ -0,0 +1,42 @@
> +target:
> + # Immediate Boundary Tests
> + cv.elw x5,-2048(x6)
> + cv.elw x5,0(x6)
> + cv.elw x5,20(x6)
> + cv.elw x5,2047(x6)
> + cv.elw x31,2047(x31)
> +
> + # Register Boundary Tests
> + cv.elw x0,0(x0)
> + cv.elw x1,1024(x1)
> + cv.elw x2,1024(x2)
> + cv.elw x3,1024(x3)
> + cv.elw x4,1024(x4)
> + cv.elw x5,1024(x5)
> + cv.elw x6,1024(x6)
> + cv.elw x7,1024(x7)
> + cv.elw x8,1024(x8)
> + cv.elw x9,1024(x9)
> + cv.elw x10,1024(x10)
> + cv.elw x11,1024(x11)
> + cv.elw x12,1024(x12)
> + cv.elw x13,1024(x13)
> + cv.elw x14,1024(x14)
> + cv.elw x15,1024(x15)
> + cv.elw x16,1024(x16)
> + cv.elw x17,1024(x17)
> + cv.elw x18,1024(x18)
> + cv.elw x19,1024(x19)
> + cv.elw x20,1024(x20)
> + cv.elw x21,1024(x21)
> + cv.elw x22,1024(x22)
> + cv.elw x23,1024(x23)
> + cv.elw x24,1024(x24)
> + cv.elw x25,1024(x25)
> + cv.elw x26,1024(x26)
> + cv.elw x27,1024(x27)
> + cv.elw x28,1024(x28)
> + cv.elw x29,1024(x29)
> + cv.elw x30,1024(x30)
> + cv.elw x31,1024(x31)
> +
> \ No newline at end of file
> diff --git a/include/opcode/riscv-opc.h b/include/opcode/riscv-opc.h
> index 24217062edc..3d521703b98 100644
> --- a/include/opcode/riscv-opc.h
> +++ b/include/opcode/riscv-opc.h
> @@ -2424,6 +2424,9 @@
> #define MASK_CV_SUBRN 0xc000707f
> #define MATCH_CV_SUBURN 0xc000305b
> #define MASK_CV_SUBURN 0xc000707f
> +/* Vendor-specific (CORE-V) Xcvelw instructions. */
> +#define MATCH_CV_ELW 0x6003
> +#define MASK_CV_ELW 0x707f
>
Seems like this encoding is the same as standard 64-bit LWU. So,
1. Could we just use MATCH/MASK_LWU to replace MATCH/MASK_CV_ELW?
2. Does that mean even if Xcvelw is enabled, under rv64 the cv.elw will
still be lwu?
Thanks
Nelson
> /* Vendor-specific (T-Head) XTheadBa instructions. */
> #define MATCH_TH_ADDSL 0x0000100b
> #define MASK_TH_ADDSL 0xf800707f
> diff --git a/include/opcode/riscv.h b/include/opcode/riscv.h
> index 710a9b73189..df131aa3680 100644
> --- a/include/opcode/riscv.h
> +++ b/include/opcode/riscv.h
> @@ -455,6 +455,7 @@ enum riscv_insn_class
> INSN_CLASS_H,
> INSN_CLASS_XCVMAC,
> INSN_CLASS_XCVALU,
> + INSN_CLASS_XCVELW,
> INSN_CLASS_XTHEADBA,
> INSN_CLASS_XTHEADBB,
> INSN_CLASS_XTHEADBS,
> diff --git a/opcodes/riscv-opc.c b/opcodes/riscv-opc.c
> index 72d727cd77e..c3fb20ec345 100644
> --- a/opcodes/riscv-opc.c
> +++ b/opcodes/riscv-opc.c
> @@ -2100,6 +2100,9 @@ const struct riscv_opcode riscv_opcodes[] =
> {"cv.subrnr", 0, INSN_CLASS_XCVALU, "d,s,t", MATCH_CV_SUBRNR,
> MASK_CV_SUBRNR, match_opcode, 0},
> {"cv.suburnr", 0, INSN_CLASS_XCVALU, "d,s,t", MATCH_CV_SUBURNR,
> MASK_CV_SUBURNR, match_opcode, 0},
>
> +/* Vendor-specific (CORE-V) Xcvelw instructions. */
> +{"cv.elw", 0, INSN_CLASS_XCVELW, "d,o(s)", MATCH_CV_ELW, MASK_CV_ELW,
> match_opcode, 0},
> +
> /* Vendor-specific (T-Head) XTheadBa instructions. */
> {"th.addsl", 0, INSN_CLASS_XTHEADBA, "d,s,t,Xtu2@25",
> MATCH_TH_ADDSL, MASK_TH_ADDSL, match_opcode, 0},
>
> --
> 2.34.1
>
>
next prev parent reply other threads:[~2023-11-21 4:20 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-13 12:14 [PATCH 0/3] RISC-V: Support CORE-V XCVELW, XCVBI, and XCVMEM extensions Mary Bennett
2023-11-13 12:14 ` [PATCH 1/3] RISC-V: Add support for XCVelw extension in CV32E40P Mary Bennett
2023-11-21 4:20 ` Nelson Chu [this message]
2023-11-13 12:14 ` [PATCH 2/3] RISC-V: Add support for XCVbi " Mary Bennett
2023-11-13 12:14 ` [PATCH 3/3] RISC-V: Add support for XCVmem " Mary Bennett
2024-05-30 15:06 [PATCH 0/3] RISC-V: Support CORE-V XCVELW, XCVBI and XCVMEM extensions Mary Bennett
2024-05-30 15:06 ` [PATCH 1/3] RISC-V: Add support for XCVelw extension in CV32E40P Mary Bennett
2024-06-05 10:20 ` Nelson Chu
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