From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <SRS0=oEr3=JR=gmail.com=mary.bennett682@sourceware.org>
Received: from mail-wm1-x329.google.com (mail-wm1-x329.google.com [IPv6:2a00:1450:4864:20::329])
	by sourceware.org (Postfix) with ESMTPS id 50A013858284
	for <binutils@sourceware.org>; Thu,  8 Feb 2024 22:15:41 +0000 (GMT)
DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 50A013858284
Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com
Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com
ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 50A013858284
Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=2a00:1450:4864:20::329
ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1707430548; cv=none;
	b=XhsZpJrHfJ5n4j3DgzbH2AqnqAtPO4soEOq7RGDE6EXsRnvXCIAEEcbcspmRZBJjGOw0LqepeFSB7P7fquXbUsJiOfaKwNM5n4w5Rz2IcayQeNrLOnfYtL9jdG2t7S77F84IwMRnDYiRypF6uTrdP0h1B7fpKYT0vLH5KycikcI=
ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key;
	t=1707430548; c=relaxed/simple;
	bh=4/NWpxwpo2qAczsFjAy+00wSPtp008BMriXxSu+n1B8=;
	h=DKIM-Signature:From:To:Subject:Date:Message-Id:MIME-Version; b=iMZlka0Z6X9b6+DiYlCwoESx8170VHK8euWTHTD4o2SPzY5s5AKTNhggY3Vc6doXVVQAaQimVEIUsH1UjEoHenxjHCAdzb71nrQF9TOpOBqiTfjZReTzOD77RfTsAycDf/r6YYn+9qrkAt9rjZZaavcsltt0J2D4Bbfd7zRFkWw=
ARC-Authentication-Results: i=1; server2.sourceware.org
Received: by mail-wm1-x329.google.com with SMTP id 5b1f17b1804b1-4105a6be071so1941485e9.1
        for <binutils@sourceware.org>; Thu, 08 Feb 2024 14:15:41 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=gmail.com; s=20230601; t=1707430539; x=1708035339; darn=sourceware.org;
        h=content-transfer-encoding:mime-version:references:in-reply-to
         :message-id:date:subject:cc:to:from:from:to:cc:subject:date
         :message-id:reply-to;
        bh=ZLAWnPzlZfM2kKMw4khX05TD7dTJ4wZVcFAmyCLy/h8=;
        b=jEMpforERoK6p1m+y0r5irfQmFWGPBr9wTsCJNLg1ut9kSraot5H7Sw00bq+JT5+Pt
         +Dz0NwSjF+T3HbUiTewg5Oog63Kzywv/6hFtva+fRimFqafX91V5RJXjKctIA+5zCmRS
         qXORFNDi3hI5WXMSWTfkdVsXHGrFqu927gNkUoZm8rRwxStM+4AnDMTj0O9zPbODNEH5
         xsPh1tGfsPX6rs6JASV6nGJkAWMJ3PrdvyEG+oPsWrCpvlJQr0oS+qgtxoHr/eTi9ujB
         Rx2YOYPJWc5VUE8yodo+6Z0lwKJyDuG9aD1A3YybiyGEXcQ+VOAHVYVV4TBU0sla2Wzf
         r0bw==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=1e100.net; s=20230601; t=1707430539; x=1708035339;
        h=content-transfer-encoding:mime-version:references:in-reply-to
         :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc
         :subject:date:message-id:reply-to;
        bh=ZLAWnPzlZfM2kKMw4khX05TD7dTJ4wZVcFAmyCLy/h8=;
        b=CAHMhpEUS3b5Y2YzfnJYQMFW5Q0JAvEGiQ6Ly6LsiJlxkPZ/pGIqmEFhbhzEWYJsRu
         PL7oFnooMZHY2mf0C3SV89Vmqgnoz9TZzw58QM8vzTH/UYqYpmj9CgE6Xzef+53ExDKU
         ckC782CRNtC1G+KeYCmwdex6MRiCXXkXT+USthTyfutDOFOuhgvik+TWoGjxpdAFXi9V
         JOkGyiD81g5oZRRIOJ+kkCgynEnwd8UsokkJN0OuHhZmbjVGHzeRE5n3JXwlLOolWYhN
         bf9kltU2M5aNtw/qL8GSXi7l1a0bzFKfste3DV/XmVCe5Pd6crrnmNDkXw63PbkT2S96
         aTgQ==
X-Gm-Message-State: AOJu0Yz08+8SYshDQ4OrjstvX3MDCONzR10QmTmhSa4dIKHuiv4P3b40
	lk1fdqqDnXTe7kzBVDWVmDdEPJzG5/Hi88IaT7K/XHYYdDVftzEhWvmF9DCY
X-Google-Smtp-Source: AGHT+IHxFmFf6BaCr1Hk6B/mDg9O1N4xKdaoK70y5LtiRuQWRiXwnIyT5InLo3cjn9ofBL25vJ0jGw==
X-Received: by 2002:a05:600c:3507:b0:410:62ae:44c4 with SMTP id h7-20020a05600c350700b0041062ae44c4mr238897wmq.15.1707430538457;
        Thu, 08 Feb 2024 14:15:38 -0800 (PST)
Received: from xenta.home ([2a00:23c8:8d8c:9a01:dc95:a472:9f39:f553])
        by smtp.gmail.com with ESMTPSA id i19-20020a05600c355300b00410395dc7d1sm611349wmq.7.2024.02.08.14.15.38
        (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);
        Thu, 08 Feb 2024 14:15:38 -0800 (PST)
From: mary.bennett682@gmail.com
To: binutils@sourceware.org
Cc: mary.bennett682@gmail.com
Subject: [PATCH 1/1] RISC-V: Add support for XCVbitmanip extension in CV32E40Pv2
Date: Thu,  8 Feb 2024 22:15:34 +0000
Message-Id: <20240208221534.637556-2-mary.bennett682@gmail.com>
X-Mailer: git-send-email 2.34.1
In-Reply-To: <20240208221534.637556-1-mary.bennett682@gmail.com>
References: <20240208221534.637556-1-mary.bennett682@gmail.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
X-Spam-Status: No, score=-7.0 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM,GIT_PATCH_0,KAM_NUMSUBJECT,RCVD_IN_DNSWL_NONE,SCC_10_SHORT_WORD_LINES,SCC_5_SHORT_WORD_LINES,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org
List-Id: <binutils.sourceware.org>

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 `xcvbitmanip`
          instruction class.
        (riscv_multi_subset_supports_ext): Likewise.

gas/ChangeLog:

        * doc/c-riscv.texi: Note XCVbitmanip as an additional ISA extension
          for CORE-V.
	* config/tc-riscv.c: Add new opcodes b6 and b7.
	* testsuite/gas/riscv/cv-bitmanip-bclr-fail.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-bclr-fail.l: New test.
	* testsuite/gas/riscv/cv-bitmanip-bclr-fail.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-bclr-pass.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-bclr-pass.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-bclrr-fail.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-bclrr-fail.l: New test.
	* testsuite/gas/riscv/cv-bitmanip-bclrr-fail.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-bclrr-pass.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-bclrr-pass.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-bitrev-fail.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-bitrev-fail.l: New test.
	* testsuite/gas/riscv/cv-bitmanip-bitrev-fail.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-bitrev-pass.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-bitrev-pass.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-bset-fail.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-bset-fail.l: New test.
	* testsuite/gas/riscv/cv-bitmanip-bset-fail.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-bset-pass.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-bset-pass.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-bsetr-fail.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-bsetr-fail.l: New test.
	* testsuite/gas/riscv/cv-bitmanip-bsetr-fail.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-bsetr-pass.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-bsetr-pass.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-clb-fail.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-clb-fail.l: New test.
	* testsuite/gas/riscv/cv-bitmanip-clb-fail.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-clb-pass.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-clb-pass.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-cnt-fail.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-cnt-fail.l: New test.
	* testsuite/gas/riscv/cv-bitmanip-cnt-fail.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-cnt-pass.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-cnt-pass.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-extract-fail.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-extract-fail.l: New test.
	* testsuite/gas/riscv/cv-bitmanip-extract-fail.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-extract-pass.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-extract-pass.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-extractr-fail.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-extractr-fail.l: New test.
	* testsuite/gas/riscv/cv-bitmanip-extractr-fail.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-extractr-pass.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-extractr-pass.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-extractu-fail.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-extractu-fail.l: New test.
	* testsuite/gas/riscv/cv-bitmanip-extractu-fail.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-extractu-pass.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-extractu-pass.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-extractur-fail.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-extractur-fail.l: New test.
	* testsuite/gas/riscv/cv-bitmanip-extractur-fail.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-extractur-pass.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-extractur-pass.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-ff1-fail.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-ff1-fail.l: New test.
	* testsuite/gas/riscv/cv-bitmanip-ff1-fail.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-ff1-pass.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-ff1-pass.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-fl1-fail.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-fl1-fail.l: New test.
	* testsuite/gas/riscv/cv-bitmanip-fl1-fail.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-fl1-pass.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-fl1-pass.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-insert-fail.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-insert-fail.l: New test.
	* testsuite/gas/riscv/cv-bitmanip-insert-fail.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-insert-pass.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-insert-pass.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-insertr-fail.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-insertr-fail.l: New test.
	* testsuite/gas/riscv/cv-bitmanip-insertr-fail.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-insertr-pass.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-insertr-pass.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-march-xcvbitmanip.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-march-xcvbitmanip.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-ror-fail.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-ror-fail.l: New test.
	* testsuite/gas/riscv/cv-bitmanip-ror-fail.s: New test.
	* testsuite/gas/riscv/cv-bitmanip-ror-pass.d: New test.
	* testsuite/gas/riscv/cv-bitmanip-ror-pass.s: New test.

include/ChangeLog:
	* opcode/riscv-opc.h: Add corresponding MATCH and MASK
	  instruction opcode macros.
	* opcode/riscv.h (riscv_insn_class): Add INSN_CLASS_XCVHWLP.

opcodes/ChangeLog:
	* riscv-dis.c (print_insn_args): Add new operands.
	* riscv-opc.c (riscv_opcode): Add xcvbitmanip instructions.
---
 bfd/elfxx-riscv.c                             |  5 +++
 gas/config/tc-riscv.c                         | 41 ++++++++++++++++++-
 gas/doc/c-riscv.texi                          |  5 +++
 .../gas/riscv/cv-bitmanip-bclr-fail.d         |  3 ++
 .../gas/riscv/cv-bitmanip-bclr-fail.l         |  7 ++++
 .../gas/riscv/cv-bitmanip-bclr-fail.s         |  9 ++++
 .../gas/riscv/cv-bitmanip-bclr-pass.d         | 19 +++++++++
 .../gas/riscv/cv-bitmanip-bclr-pass.s         | 11 +++++
 .../gas/riscv/cv-bitmanip-bclrr-fail.d        |  3 ++
 .../gas/riscv/cv-bitmanip-bclrr-fail.l        |  3 ++
 .../gas/riscv/cv-bitmanip-bclrr-fail.s        |  4 ++
 .../gas/riscv/cv-bitmanip-bclrr-pass.d        | 16 ++++++++
 .../gas/riscv/cv-bitmanip-bclrr-pass.s        |  8 ++++
 .../gas/riscv/cv-bitmanip-bitrev-fail.d       |  3 ++
 .../gas/riscv/cv-bitmanip-bitrev-fail.l       |  7 ++++
 .../gas/riscv/cv-bitmanip-bitrev-fail.s       |  9 ++++
 .../gas/riscv/cv-bitmanip-bitrev-pass.d       | 18 ++++++++
 .../gas/riscv/cv-bitmanip-bitrev-pass.s       | 11 +++++
 .../gas/riscv/cv-bitmanip-bset-fail.d         |  3 ++
 .../gas/riscv/cv-bitmanip-bset-fail.l         |  7 ++++
 .../gas/riscv/cv-bitmanip-bset-fail.s         |  9 ++++
 .../gas/riscv/cv-bitmanip-bset-pass.d         | 19 +++++++++
 .../gas/riscv/cv-bitmanip-bset-pass.s         | 11 +++++
 .../gas/riscv/cv-bitmanip-bsetr-fail.d        |  3 ++
 .../gas/riscv/cv-bitmanip-bsetr-fail.l        |  3 ++
 .../gas/riscv/cv-bitmanip-bsetr-fail.s        |  4 ++
 .../gas/riscv/cv-bitmanip-bsetr-pass.d        | 16 ++++++++
 .../gas/riscv/cv-bitmanip-bsetr-pass.s        |  8 ++++
 .../gas/riscv/cv-bitmanip-clb-fail.d          |  3 ++
 .../gas/riscv/cv-bitmanip-clb-fail.l          |  3 ++
 .../gas/riscv/cv-bitmanip-clb-fail.s          |  4 ++
 .../gas/riscv/cv-bitmanip-clb-pass.d          | 16 ++++++++
 .../gas/riscv/cv-bitmanip-clb-pass.s          |  8 ++++
 .../gas/riscv/cv-bitmanip-cnt-fail.d          |  3 ++
 .../gas/riscv/cv-bitmanip-cnt-fail.l          |  3 ++
 .../gas/riscv/cv-bitmanip-cnt-fail.s          |  4 ++
 .../gas/riscv/cv-bitmanip-cnt-pass.d          | 16 ++++++++
 .../gas/riscv/cv-bitmanip-cnt-pass.s          |  8 ++++
 .../gas/riscv/cv-bitmanip-extract-fail.d      |  3 ++
 .../gas/riscv/cv-bitmanip-extract-fail.l      |  7 ++++
 .../gas/riscv/cv-bitmanip-extract-fail.s      |  9 ++++
 .../gas/riscv/cv-bitmanip-extract-pass.d      | 19 +++++++++
 .../gas/riscv/cv-bitmanip-extract-pass.s      | 11 +++++
 .../gas/riscv/cv-bitmanip-extractr-fail.d     |  3 ++
 .../gas/riscv/cv-bitmanip-extractr-fail.l     |  3 ++
 .../gas/riscv/cv-bitmanip-extractr-fail.s     |  4 ++
 .../gas/riscv/cv-bitmanip-extractr-pass.d     | 16 ++++++++
 .../gas/riscv/cv-bitmanip-extractr-pass.s     |  8 ++++
 .../gas/riscv/cv-bitmanip-extractu-fail.d     |  3 ++
 .../gas/riscv/cv-bitmanip-extractu-fail.l     |  7 ++++
 .../gas/riscv/cv-bitmanip-extractu-fail.s     |  9 ++++
 .../gas/riscv/cv-bitmanip-extractu-pass.d     | 19 +++++++++
 .../gas/riscv/cv-bitmanip-extractu-pass.s     | 11 +++++
 .../gas/riscv/cv-bitmanip-extractur-fail.d    |  3 ++
 .../gas/riscv/cv-bitmanip-extractur-fail.l    |  3 ++
 .../gas/riscv/cv-bitmanip-extractur-fail.s    |  4 ++
 .../gas/riscv/cv-bitmanip-extractur-pass.d    | 16 ++++++++
 .../gas/riscv/cv-bitmanip-extractur-pass.s    |  8 ++++
 .../gas/riscv/cv-bitmanip-ff1-fail.d          |  3 ++
 .../gas/riscv/cv-bitmanip-ff1-fail.l          |  3 ++
 .../gas/riscv/cv-bitmanip-ff1-fail.s          |  4 ++
 .../gas/riscv/cv-bitmanip-ff1-pass.d          | 16 ++++++++
 .../gas/riscv/cv-bitmanip-ff1-pass.s          |  8 ++++
 .../gas/riscv/cv-bitmanip-fl1-fail.d          |  3 ++
 .../gas/riscv/cv-bitmanip-fl1-fail.l          |  3 ++
 .../gas/riscv/cv-bitmanip-fl1-fail.s          |  4 ++
 .../gas/riscv/cv-bitmanip-fl1-pass.d          | 16 ++++++++
 .../gas/riscv/cv-bitmanip-fl1-pass.s          |  8 ++++
 .../gas/riscv/cv-bitmanip-insert-fail.d       |  3 ++
 .../gas/riscv/cv-bitmanip-insert-fail.l       |  7 ++++
 .../gas/riscv/cv-bitmanip-insert-fail.s       |  9 ++++
 .../gas/riscv/cv-bitmanip-insert-pass.d       | 19 +++++++++
 .../gas/riscv/cv-bitmanip-insert-pass.s       | 11 +++++
 .../gas/riscv/cv-bitmanip-insertr-fail.d      |  3 ++
 .../gas/riscv/cv-bitmanip-insertr-fail.l      |  3 ++
 .../gas/riscv/cv-bitmanip-insertr-fail.s      |  4 ++
 .../gas/riscv/cv-bitmanip-insertr-pass.d      | 16 ++++++++
 .../gas/riscv/cv-bitmanip-insertr-pass.s      |  8 ++++
 .../gas/riscv/cv-bitmanip-march-xcvbitmanip.d | 26 ++++++++++++
 .../gas/riscv/cv-bitmanip-march-xcvbitmanip.s | 17 ++++++++
 .../gas/riscv/cv-bitmanip-ror-fail.d          |  3 ++
 .../gas/riscv/cv-bitmanip-ror-fail.l          |  3 ++
 .../gas/riscv/cv-bitmanip-ror-fail.s          |  4 ++
 .../gas/riscv/cv-bitmanip-ror-pass.d          | 16 ++++++++
 .../gas/riscv/cv-bitmanip-ror-pass.s          |  8 ++++
 include/opcode/riscv-opc.h                    | 33 +++++++++++++++
 include/opcode/riscv.h                        |  9 ++++
 opcodes/riscv-dis.c                           | 15 +++++++
 opcodes/riscv-opc.c                           | 19 +++++++++
 89 files changed, 802 insertions(+), 1 deletion(-)
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bclr-fail.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bclr-fail.l
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bclr-fail.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bclr-pass.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bclr-pass.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bclrr-fail.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bclrr-fail.l
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bclrr-fail.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bclrr-pass.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bclrr-pass.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bitrev-fail.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bitrev-fail.l
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bitrev-fail.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bitrev-pass.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bitrev-pass.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bset-fail.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bset-fail.l
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bset-fail.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bset-pass.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bset-pass.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bsetr-fail.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bsetr-fail.l
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bsetr-fail.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bsetr-pass.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-bsetr-pass.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-clb-fail.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-clb-fail.l
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-clb-fail.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-clb-pass.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-clb-pass.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-cnt-fail.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-cnt-fail.l
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-cnt-fail.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-cnt-pass.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-cnt-pass.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-extract-fail.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-extract-fail.l
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-extract-fail.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-extract-pass.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-extract-pass.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-extractr-fail.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-extractr-fail.l
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-extractr-fail.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-extractr-pass.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-extractr-pass.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-extractu-fail.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-extractu-fail.l
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-extractu-fail.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-extractu-pass.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-extractu-pass.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-extractur-fail.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-extractur-fail.l
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-extractur-fail.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-extractur-pass.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-extractur-pass.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-ff1-fail.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-ff1-fail.l
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-ff1-fail.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-ff1-pass.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-ff1-pass.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-fl1-fail.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-fl1-fail.l
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-fl1-fail.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-fl1-pass.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-fl1-pass.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-insert-fail.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-insert-fail.l
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-insert-fail.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-insert-pass.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-insert-pass.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-insertr-fail.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-insertr-fail.l
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-insertr-fail.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-insertr-pass.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-insertr-pass.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-march-xcvbitmanip.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-march-xcvbitmanip.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-ror-fail.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-ror-fail.l
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-ror-fail.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-ror-pass.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bitmanip-ror-pass.s

diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c
index 9a121b47121..e8618a61810 100644
--- a/bfd/elfxx-riscv.c
+++ b/bfd/elfxx-riscv.c
@@ -1369,6 +1369,7 @@ 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 },
+  {"xcvbitmanip",	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 },
@@ -2576,6 +2577,8 @@ 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_XCVBITMANIP:
+      return riscv_subset_supports (rps, "xcvbitmanip");
     case INSN_CLASS_XTHEADBA:
       return riscv_subset_supports (rps, "xtheadba");
     case INSN_CLASS_XTHEADBB:
@@ -2828,6 +2831,8 @@ riscv_multi_subset_supports_ext (riscv_parse_subset_t *rps,
       return "xcvmac";
     case INSN_CLASS_XCVALU:
       return "xcvalu";
+    case INSN_CLASS_XCVBITMANIP:
+      return "xcvbitmanip";
     case INSN_CLASS_XTHEADBA:
       return "xtheadba";
     case INSN_CLASS_XTHEADBB:
diff --git a/gas/config/tc-riscv.c b/gas/config/tc-riscv.c
index a4161420128..6cf45b78d90 100644
--- a/gas/config/tc-riscv.c
+++ b/gas/config/tc-riscv.c
@@ -1373,6 +1373,18 @@ validate_riscv_insn (const struct riscv_opcode *opc, int length)
 	case '>': USE_BITS (OP_MASK_SHAMT, OP_SH_SHAMT); break;
 	case 'A': break; /* Macro operand, must be symbol.  */
 	case 'B': break; /* Macro operand, must be symbol or constant.  */
+	case 'b': /* CORE-V Specific.  */
+	  if (oparg[1] == '6')
+	    {
+	      used_bits |= ENCODE_CV_BITMANIP_UIMM5(-1U);
+	      ++oparg; break;
+	    }
+	  else if (oparg[1] == '7')
+	    {
+	      used_bits |= ENCODE_CV_BITMANIP_UIMM2(-1U);
+	      ++oparg; break;
+	    }
+	  break;
 	case 'c': break; /* Macro operand, must be symbol or constant.  */
 	case 'I': break; /* Macro operand, must be constant.  */
 	case 'D': /* RD, floating point.  */
@@ -3361,7 +3373,34 @@ riscv_ip (char *str, struct riscv_cl_insn *ip, expressionS *imm_expr,
 	      *imm_reloc = BFD_RELOC_32;
 	      asarg = expr_parse_end;
 	      continue;
-
+	      /* CORE-V Specific. */
+	    case 'b':
+	      if (oparg[1] == '6')
+		// b6: Luimm5 bits unsigned immediate bits
+		{
+		  my_getExpression (imm_expr, asarg);
+		  check_absolute_expr (ip, imm_expr, FALSE);
+		  asarg = expr_parse_end;
+		  if (imm_expr->X_add_number<0 || imm_expr->X_add_number>31) break;
+		  ip->insn_opcode |= ENCODE_CV_BITMANIP_UIMM5 (imm_expr->X_add_number);
+		  ++oparg;
+		}
+	      else if (oparg[1] == '7')
+		// b7: Luimm2 bits unsigned immediate bits
+		{
+		  my_getExpression (imm_expr, asarg);
+		  check_absolute_expr (ip, imm_expr, FALSE);
+		  asarg = expr_parse_end;
+		  if (imm_expr->X_add_number<0 || imm_expr->X_add_number>3) break;
+		  ip->insn_opcode |= ENCODE_CV_BITMANIP_UIMM2 (imm_expr->X_add_number);
+		  ++oparg;
+		}
+	      else
+		{
+		  my_getExpression (imm_expr, asarg);
+		  asarg = expr_parse_end;
+		}
+	      continue;
 	    case 'B':
 	      my_getExpression (imm_expr, asarg);
 	      normalize_constant_expr (imm_expr);
diff --git a/gas/doc/c-riscv.texi b/gas/doc/c-riscv.texi
index 7484a71798a..ca628a8b025 100644
--- a/gas/doc/c-riscv.texi
+++ b/gas/doc/c-riscv.texi
@@ -750,6 +750,11 @@ 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 Xcvbitmanip
+The Xcvbitmanip extension provides instructions for bitmanip 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-bitmanip-bclr-fail.d b/gas/testsuite/gas/riscv/cv-bitmanip-bclr-fail.d
new file mode 100644
index 00000000000..cae6d6a6080
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bclr-fail.d
@@ -0,0 +1,3 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-bclr-fail.s
+#error_output: cv-bitmanip-bclr-fail.l
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bclr-fail.l b/gas/testsuite/gas/riscv/cv-bitmanip-bclr-fail.l
new file mode 100644
index 00000000000..d426fee16f6
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bclr-fail.l
@@ -0,0 +1,7 @@
+.*: Assembler messages:
+.*: Error: illegal operands `cv.bclr x32,x32,20,20'
+.*: Error: illegal operands `cv.bclr x33,x33,20,20'
+.*: Error: illegal operands `cv.bclr x6,x7,0,32'
+.*: Error: illegal operands `cv.bclr x6,x7,32,0'
+.*: Error: illegal operands `cv.bclr x6,x7,0,-1'
+.*: Error: illegal operands `cv.bclr x6,x7,-1,0'
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bclr-fail.s b/gas/testsuite/gas/riscv/cv-bitmanip-bclr-fail.s
new file mode 100644
index 00000000000..32b9dc8d0f8
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bclr-fail.s
@@ -0,0 +1,9 @@
+target:
+    #Register Tests
+    cv.bclr x32, x32, 20, 20
+    cv.bclr x33, x33, 20, 20
+    #Immediate Values Test
+    cv.bclr x6, x7, 0, 32
+    cv.bclr x6, x7, 32, 0
+    cv.bclr x6, x7, 0, -1
+    cv.bclr x6, x7, -1, 0
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bclr-pass.d b/gas/testsuite/gas/riscv/cv-bitmanip-bclr-pass.d
new file mode 100644
index 00000000000..f42386063e1
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bclr-pass.d
@@ -0,0 +1,19 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-bclr-pass.s
+#objdump: -d
+
+.*:[ 	]+file format .*
+
+
+Disassembly of section .text:
+
+0+000 <target>:
+
+   0:	2940105b          	cv.bclr	zero,zero,20,20
+   4:	294090db          	cv.bclr	ra,ra,20,20
+   8:	2941115b          	cv.bclr	sp,sp,20,20
+   c:	2944145b          	cv.bclr	s0,s0,20,20
+  10:	294a1a5b          	cv.bclr	s4,s4,20,20
+  14:	294f9fdb          	cv.bclr	t6,t6,20,20
+  18:	0003935b          	cv.bclr	t1,t2,0,0
+  1c:	3ff3935b          	cv.bclr	t1,t2,31,31
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bclr-pass.s b/gas/testsuite/gas/riscv/cv-bitmanip-bclr-pass.s
new file mode 100644
index 00000000000..f93db1a5eea
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bclr-pass.s
@@ -0,0 +1,11 @@
+target:
+    #Register Tests
+    cv.bclr x0, x0, 20, 20
+    cv.bclr x1, x1, 20, 20
+    cv.bclr x2, x2, 20, 20
+    cv.bclr x8, x8, 20, 20
+    cv.bclr x20, x20, 20, 20
+    cv.bclr x31, x31, 20, 20
+    #Immediate Values Test
+    cv.bclr x6, x7, 0, 0
+    cv.bclr x6, x7, 31, 31
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bclrr-fail.d b/gas/testsuite/gas/riscv/cv-bitmanip-bclrr-fail.d
new file mode 100644
index 00000000000..88eb6bd7f98
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bclrr-fail.d
@@ -0,0 +1,3 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-bclrr-fail.s
+#error_output: cv-bitmanip-bclrr-fail.l
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bclrr-fail.l b/gas/testsuite/gas/riscv/cv-bitmanip-bclrr-fail.l
new file mode 100644
index 00000000000..08c7e4b8076
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bclrr-fail.l
@@ -0,0 +1,3 @@
+.*: Assembler messages:
+.*: Error: illegal operands `cv.bclrr x32,x32,x32'
+.*: Error: illegal operands `cv.bclrr x33,x33,x33'
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bclrr-fail.s b/gas/testsuite/gas/riscv/cv-bitmanip-bclrr-fail.s
new file mode 100644
index 00000000000..0a896aeccdf
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bclrr-fail.s
@@ -0,0 +1,4 @@
+target:
+    #Boundary Register Tests
+    cv.bclrr x32, x32, x32
+    cv.bclrr x33, x33, x33
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bclrr-pass.d b/gas/testsuite/gas/riscv/cv-bitmanip-bclrr-pass.d
new file mode 100644
index 00000000000..d0f3b30cd25
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bclrr-pass.d
@@ -0,0 +1,16 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-bclrr-pass.s
+#objdump: -d
+
+.*:[ 	]+file format .*
+
+
+Disassembly of section .text:
+
+0+000 <target>:
+   0:	3800302b          	cv.bclrr	zero,zero,zero
+   4:	3810b0ab          	cv.bclrr	ra,ra,ra
+   8:	3821312b          	cv.bclrr	sp,sp,sp
+   c:	3884342b          	cv.bclrr	s0,s0,s0
+  10:	394a3a2b          	cv.bclrr	s4,s4,s4
+  14:	39ffbfab          	cv.bclrr	t6,t6,t6
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bclrr-pass.s b/gas/testsuite/gas/riscv/cv-bitmanip-bclrr-pass.s
new file mode 100644
index 00000000000..31d128797cd
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bclrr-pass.s
@@ -0,0 +1,8 @@
+target:
+    #Register Tests
+    cv.bclrr x0, x0, x0
+    cv.bclrr x1, x1, x1
+    cv.bclrr x2, x2, x2
+    cv.bclrr x8, x8, x8
+    cv.bclrr x20, x20, x20
+    cv.bclrr x31, x31, x31
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bitrev-fail.d b/gas/testsuite/gas/riscv/cv-bitmanip-bitrev-fail.d
new file mode 100644
index 00000000000..75cc17c39b1
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bitrev-fail.d
@@ -0,0 +1,3 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-bitrev-fail.s
+#error_output: cv-bitmanip-bitrev-fail.l
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bitrev-fail.l b/gas/testsuite/gas/riscv/cv-bitmanip-bitrev-fail.l
new file mode 100644
index 00000000000..77c1c5bb511
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bitrev-fail.l
@@ -0,0 +1,7 @@
+.*: Assembler messages:
+.*: Error: illegal operands `cv.bitrev x32,x32,2,20'
+.*: Error: illegal operands `cv.bitrev x33,x33,2,20'
+.*: Error: illegal operands `cv.bitrev x6,x7,-1,0'
+.*: Error: illegal operands `cv.bitrev x6,x7,0,-1'
+.*: Error: illegal operands `cv.bitrev x6,x7,0,32'
+.*: Error: illegal operands `cv.bitrev x6,x7,4,0'
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bitrev-fail.s b/gas/testsuite/gas/riscv/cv-bitmanip-bitrev-fail.s
new file mode 100644
index 00000000000..f51a73df492
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bitrev-fail.s
@@ -0,0 +1,9 @@
+target:
+    #Register Tests
+    cv.bitrev x32, x32, 2, 20
+    cv.bitrev x33, x33, 2, 20
+    #Immediate Values Test
+    cv.bitrev x6, x7, -1, 0
+    cv.bitrev x6, x7, 0, -1
+    cv.bitrev x6, x7, 0, 32
+    cv.bitrev x6, x7, 4, 0
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bitrev-pass.d b/gas/testsuite/gas/riscv/cv-bitmanip-bitrev-pass.d
new file mode 100644
index 00000000000..0fa97af4243
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bitrev-pass.d
@@ -0,0 +1,18 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-bitrev-pass.s
+#objdump: -d
+
+.*:[ 	]+file format .*
+
+
+Disassembly of section .text:
+
+0+000 <target>:
+   0:	c540105b          	cv.bitrev	zero,zero,2,20
+   4:	c54090db          	cv.bitrev	ra,ra,2,20
+   8:	c541115b          	cv.bitrev	sp,sp,2,20
+   c:	c544145b          	cv.bitrev	s0,s0,2,20
+  10:	c54a1a5b          	cv.bitrev	s4,s4,2,20
+  14:	c54f9fdb          	cv.bitrev	t6,t6,2,20
+  18:	c003935b          	cv.bitrev	t1,t2,0,0
+  1c:	c7f3935b          	cv.bitrev	t1,t2,3,31
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bitrev-pass.s b/gas/testsuite/gas/riscv/cv-bitmanip-bitrev-pass.s
new file mode 100644
index 00000000000..747516e5007
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bitrev-pass.s
@@ -0,0 +1,11 @@
+target:
+    #Register Tests
+    cv.bitrev x0, x0, 2, 20
+    cv.bitrev x1, x1, 2, 20
+    cv.bitrev x2, x2, 2, 20
+    cv.bitrev x8, x8, 2, 20
+    cv.bitrev x20, x20, 2, 20
+    cv.bitrev x31, x31, 2, 20
+    #Immediate Values Test
+    cv.bitrev x6, x7, 0, 0
+    cv.bitrev x6, x7, 3, 31
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bset-fail.d b/gas/testsuite/gas/riscv/cv-bitmanip-bset-fail.d
new file mode 100644
index 00000000000..6ce9dda7d62
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bset-fail.d
@@ -0,0 +1,3 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-bset-fail.s
+#error_output: cv-bitmanip-bset-fail.l
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bset-fail.l b/gas/testsuite/gas/riscv/cv-bitmanip-bset-fail.l
new file mode 100644
index 00000000000..b353f065220
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bset-fail.l
@@ -0,0 +1,7 @@
+.*: Assembler messages:
+.*: Error: illegal operands `cv.bset x32,x32,20,20'
+.*: Error: illegal operands `cv.bset x33,x33,20,20'
+.*: Error: illegal operands `cv.bset x6,x7,0,32'
+.*: Error: illegal operands `cv.bset x6,x7,32,0'
+.*: Error: illegal operands `cv.bset x6,x7,0,-1'
+.*: Error: illegal operands `cv.bset x6,x7,-1,0'
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bset-fail.s b/gas/testsuite/gas/riscv/cv-bitmanip-bset-fail.s
new file mode 100644
index 00000000000..e02ed2ee2d9
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bset-fail.s
@@ -0,0 +1,9 @@
+target:
+    #Register Tests
+    cv.bset x32, x32, 20, 20
+    cv.bset x33, x33, 20, 20
+    #Immediate Values Test
+    cv.bset x6, x7, 0, 32
+    cv.bset x6, x7, 32, 0
+    cv.bset x6, x7, 0, -1
+    cv.bset x6, x7, -1, 0
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bset-pass.d b/gas/testsuite/gas/riscv/cv-bitmanip-bset-pass.d
new file mode 100644
index 00000000000..64d05813079
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bset-pass.d
@@ -0,0 +1,19 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-bset-pass.s
+#objdump: -d
+
+.*:[ 	]+file format .*
+
+
+Disassembly of section .text:
+
+0+000 <target>:
+
+   0:	6940105b          	cv.bset	zero,zero,20,20
+   4:	694090db          	cv.bset	ra,ra,20,20
+   8:	6941115b          	cv.bset	sp,sp,20,20
+   c:	6944145b          	cv.bset	s0,s0,20,20
+  10:	694a1a5b          	cv.bset	s4,s4,20,20
+  14:	694f9fdb          	cv.bset	t6,t6,20,20
+  18:	4003935b          	cv.bset	t1,t2,0,0
+  1c:	7ff3935b          	cv.bset	t1,t2,31,31
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bset-pass.s b/gas/testsuite/gas/riscv/cv-bitmanip-bset-pass.s
new file mode 100644
index 00000000000..1fc81b7ca3d
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bset-pass.s
@@ -0,0 +1,11 @@
+target:
+    #Register Tests
+    cv.bset x0, x0, 20, 20
+    cv.bset x1, x1, 20, 20
+    cv.bset x2, x2, 20, 20
+    cv.bset x8, x8, 20, 20
+    cv.bset x20, x20, 20, 20
+    cv.bset x31, x31, 20, 20
+    #Immediate Values Test
+    cv.bset x6, x7, 0, 0
+    cv.bset x6, x7, 31, 31
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bsetr-fail.d b/gas/testsuite/gas/riscv/cv-bitmanip-bsetr-fail.d
new file mode 100644
index 00000000000..15a43c5d596
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bsetr-fail.d
@@ -0,0 +1,3 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-bsetr-fail.s
+#error_output: cv-bitmanip-bsetr-fail.l
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bsetr-fail.l b/gas/testsuite/gas/riscv/cv-bitmanip-bsetr-fail.l
new file mode 100644
index 00000000000..e9d8c8c7b3b
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bsetr-fail.l
@@ -0,0 +1,3 @@
+.*: Assembler messages:
+.*: Error: illegal operands `cv.bsetr x32,x32,x32'
+.*: Error: illegal operands `cv.bsetr x33,x33,x33'
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bsetr-fail.s b/gas/testsuite/gas/riscv/cv-bitmanip-bsetr-fail.s
new file mode 100644
index 00000000000..8be6ce9f3ed
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bsetr-fail.s
@@ -0,0 +1,4 @@
+target:
+    #Boundary Register Tests
+    cv.bsetr x32, x32, x32
+    cv.bsetr x33, x33, x33
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bsetr-pass.d b/gas/testsuite/gas/riscv/cv-bitmanip-bsetr-pass.d
new file mode 100644
index 00000000000..66a560282ba
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bsetr-pass.d
@@ -0,0 +1,16 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-bsetr-pass.s
+#objdump: -d
+
+.*:[ 	]+file format .*
+
+
+Disassembly of section .text:
+
+0+000 <target>:
+   0:	3a00302b          	cv.bsetr	zero,zero,zero
+   4:	3a10b0ab          	cv.bsetr	ra,ra,ra
+   8:	3a21312b          	cv.bsetr	sp,sp,sp
+   c:	3a84342b          	cv.bsetr	s0,s0,s0
+  10:	3b4a3a2b          	cv.bsetr	s4,s4,s4
+  14:	3bffbfab          	cv.bsetr	t6,t6,t6
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-bsetr-pass.s b/gas/testsuite/gas/riscv/cv-bitmanip-bsetr-pass.s
new file mode 100644
index 00000000000..77f8a9d167a
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-bsetr-pass.s
@@ -0,0 +1,8 @@
+target:
+    #Register Tests
+    cv.bsetr x0, x0, x0
+    cv.bsetr x1, x1, x1
+    cv.bsetr x2, x2, x2
+    cv.bsetr x8, x8, x8
+    cv.bsetr x20, x20, x20
+    cv.bsetr x31, x31, x31
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-clb-fail.d b/gas/testsuite/gas/riscv/cv-bitmanip-clb-fail.d
new file mode 100644
index 00000000000..2597641fba9
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-clb-fail.d
@@ -0,0 +1,3 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-clb-fail.s
+#error_output: cv-bitmanip-clb-fail.l
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-clb-fail.l b/gas/testsuite/gas/riscv/cv-bitmanip-clb-fail.l
new file mode 100644
index 00000000000..410f26c6b9e
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-clb-fail.l
@@ -0,0 +1,3 @@
+.*: Assembler messages:
+.*: Error: illegal operands `cv.clb x32,x32'
+.*: Error: illegal operands `cv.clb x33,x33'
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-clb-fail.s b/gas/testsuite/gas/riscv/cv-bitmanip-clb-fail.s
new file mode 100644
index 00000000000..9859cd91f2c
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-clb-fail.s
@@ -0,0 +1,4 @@
+target:
+    #Boundary Register Tests
+    cv.clb x32, x32
+    cv.clb x33, x33
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-clb-pass.d b/gas/testsuite/gas/riscv/cv-bitmanip-clb-pass.d
new file mode 100644
index 00000000000..6eecfe62021
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-clb-pass.d
@@ -0,0 +1,16 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-clb-pass.s
+#objdump: -d
+
+.*:[ 	]+file format .*
+
+
+Disassembly of section .text:
+
+0+000 <target>:
+   0:	4600302b          	cv.clb	zero,zero
+   4:	4600b0ab          	cv.clb	ra,ra
+   8:	4601312b          	cv.clb	sp,sp
+   c:	4604342b          	cv.clb	s0,s0
+  10:	460a3a2b          	cv.clb	s4,s4
+  14:	460fbfab          	cv.clb	t6,t6
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-clb-pass.s b/gas/testsuite/gas/riscv/cv-bitmanip-clb-pass.s
new file mode 100644
index 00000000000..a3b623e5fbd
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-clb-pass.s
@@ -0,0 +1,8 @@
+target:
+    #Register Tests
+    cv.clb x0, x0
+    cv.clb x1, x1
+    cv.clb x2, x2
+    cv.clb x8, x8
+    cv.clb x20, x20
+    cv.clb x31, x31
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-cnt-fail.d b/gas/testsuite/gas/riscv/cv-bitmanip-cnt-fail.d
new file mode 100644
index 00000000000..8c7a97ea1bc
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-cnt-fail.d
@@ -0,0 +1,3 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-cnt-fail.s
+#error_output: cv-bitmanip-cnt-fail.l
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-cnt-fail.l b/gas/testsuite/gas/riscv/cv-bitmanip-cnt-fail.l
new file mode 100644
index 00000000000..4f95b5c4638
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-cnt-fail.l
@@ -0,0 +1,3 @@
+.*: Assembler messages:
+.*: Error: illegal operands `cv.cnt x32,x32'
+.*: Error: illegal operands `cv.cnt x33,x33'
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-cnt-fail.s b/gas/testsuite/gas/riscv/cv-bitmanip-cnt-fail.s
new file mode 100644
index 00000000000..1dc87fe170e
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-cnt-fail.s
@@ -0,0 +1,4 @@
+target:
+    #Boundary Register Tests
+    cv.cnt x32, x32
+    cv.cnt x33, x33
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-cnt-pass.d b/gas/testsuite/gas/riscv/cv-bitmanip-cnt-pass.d
new file mode 100644
index 00000000000..0eafe39826f
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-cnt-pass.d
@@ -0,0 +1,16 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-cnt-pass.s
+#objdump: -d
+
+.*:[ 	]+file format .*
+
+
+Disassembly of section .text:
+
+0+000 <target>:
+   0:	4800302b          	cv.cnt	zero,zero
+   4:	4800b0ab          	cv.cnt	ra,ra
+   8:	4801312b          	cv.cnt	sp,sp
+   c:	4804342b          	cv.cnt	s0,s0
+  10:	480a3a2b          	cv.cnt	s4,s4
+  14:	480fbfab          	cv.cnt	t6,t6
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-cnt-pass.s b/gas/testsuite/gas/riscv/cv-bitmanip-cnt-pass.s
new file mode 100644
index 00000000000..dd41003b2d1
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-cnt-pass.s
@@ -0,0 +1,8 @@
+target:
+    #Register Tests
+    cv.cnt x0, x0
+    cv.cnt x1, x1
+    cv.cnt x2, x2
+    cv.cnt x8, x8
+    cv.cnt x20, x20
+    cv.cnt x31, x31
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-extract-fail.d b/gas/testsuite/gas/riscv/cv-bitmanip-extract-fail.d
new file mode 100644
index 00000000000..d55bf366601
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-extract-fail.d
@@ -0,0 +1,3 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-extract-fail.s
+#error_output: cv-bitmanip-extract-fail.l
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-extract-fail.l b/gas/testsuite/gas/riscv/cv-bitmanip-extract-fail.l
new file mode 100644
index 00000000000..eeb8f0695a3
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-extract-fail.l
@@ -0,0 +1,7 @@
+.*: Assembler messages:
+.*: Error: illegal operands `cv.extract x32,x32,20,20'
+.*: Error: illegal operands `cv.extract x33,x33,20,20'
+.*: Error: illegal operands `cv.extract x6,x7,0,32'
+.*: Error: illegal operands `cv.extract x6,x7,32,0'
+.*: Error: illegal operands `cv.extract x6,x7,0,-1'
+.*: Error: illegal operands `cv.extract x6,x7,-1,0'
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-extract-fail.s b/gas/testsuite/gas/riscv/cv-bitmanip-extract-fail.s
new file mode 100644
index 00000000000..aa8989b108d
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-extract-fail.s
@@ -0,0 +1,9 @@
+target:
+    #Register Tests
+    cv.extract x32, x32, 20, 20
+    cv.extract x33, x33, 20, 20
+    #Immediate Values Test
+    cv.extract x6, x7, 0, 32
+    cv.extract x6, x7, 32, 0
+    cv.extract x6, x7, 0, -1
+    cv.extract x6, x7, -1, 0
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-extract-pass.d b/gas/testsuite/gas/riscv/cv-bitmanip-extract-pass.d
new file mode 100644
index 00000000000..b5e44a6f0f8
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-extract-pass.d
@@ -0,0 +1,19 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-extract-pass.s
+#objdump: -d
+
+.*:[ 	]+file format .*
+
+
+Disassembly of section .text:
+
+0+000 <target>:
+
+   0:	2940005b          	cv.extract	zero,zero,20,20
+   4:	294080db          	cv.extract	ra,ra,20,20
+   8:	2941015b          	cv.extract	sp,sp,20,20
+   c:	2944045b          	cv.extract	s0,s0,20,20
+  10:	294a0a5b          	cv.extract	s4,s4,20,20
+  14:	294f8fdb          	cv.extract	t6,t6,20,20
+  18:	0003835b          	cv.extract	t1,t2,0,0
+  1c:	3ff3835b          	cv.extract	t1,t2,31,31
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-extract-pass.s b/gas/testsuite/gas/riscv/cv-bitmanip-extract-pass.s
new file mode 100644
index 00000000000..9080800f3f7
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-extract-pass.s
@@ -0,0 +1,11 @@
+target:
+    #Register Tests
+    cv.extract x0, x0, 20, 20
+    cv.extract x1, x1, 20, 20
+    cv.extract x2, x2, 20, 20
+    cv.extract x8, x8, 20, 20
+    cv.extract x20, x20, 20, 20
+    cv.extract x31, x31, 20, 20
+    #Immediate Values Test
+    cv.extract x6, x7, 0, 0
+    cv.extract x6, x7, 31, 31
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-extractr-fail.d b/gas/testsuite/gas/riscv/cv-bitmanip-extractr-fail.d
new file mode 100644
index 00000000000..7d980c818a7
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-extractr-fail.d
@@ -0,0 +1,3 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-extractr-fail.s
+#error_output: cv-bitmanip-extractr-fail.l
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-extractr-fail.l b/gas/testsuite/gas/riscv/cv-bitmanip-extractr-fail.l
new file mode 100644
index 00000000000..cdbaa537143
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-extractr-fail.l
@@ -0,0 +1,3 @@
+.*: Assembler messages:
+.*: Error: illegal operands `cv.extractr x32,x32,x32'
+.*: Error: illegal operands `cv.extractr x33,x33,x33'
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-extractr-fail.s b/gas/testsuite/gas/riscv/cv-bitmanip-extractr-fail.s
new file mode 100644
index 00000000000..e400c19b37d
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-extractr-fail.s
@@ -0,0 +1,4 @@
+target:
+    #Boundary Register Tests
+    cv.extractr x32, x32, x32
+    cv.extractr x33, x33, x33
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-extractr-pass.d b/gas/testsuite/gas/riscv/cv-bitmanip-extractr-pass.d
new file mode 100644
index 00000000000..5e2ce8cc7fc
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-extractr-pass.d
@@ -0,0 +1,16 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-extractr-pass.s
+#objdump: -d
+
+.*:[ 	]+file format .*
+
+
+Disassembly of section .text:
+
+0+000 <target>:
+   0:	3000302b          	cv.extractr	zero,zero,zero
+   4:	3010b0ab          	cv.extractr	ra,ra,ra
+   8:	3021312b          	cv.extractr	sp,sp,sp
+   c:	3084342b          	cv.extractr	s0,s0,s0
+  10:	314a3a2b          	cv.extractr	s4,s4,s4
+  14:	31ffbfab          	cv.extractr	t6,t6,t6
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-extractr-pass.s b/gas/testsuite/gas/riscv/cv-bitmanip-extractr-pass.s
new file mode 100644
index 00000000000..5c937dc9439
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-extractr-pass.s
@@ -0,0 +1,8 @@
+target:
+    #Register Tests
+    cv.extractr x0, x0, x0
+    cv.extractr x1, x1, x1
+    cv.extractr x2, x2, x2
+    cv.extractr x8, x8, x8
+    cv.extractr x20, x20, x20
+    cv.extractr x31, x31, x31
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-extractu-fail.d b/gas/testsuite/gas/riscv/cv-bitmanip-extractu-fail.d
new file mode 100644
index 00000000000..26315df0782
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-extractu-fail.d
@@ -0,0 +1,3 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-extractu-fail.s
+#error_output: cv-bitmanip-extractu-fail.l
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-extractu-fail.l b/gas/testsuite/gas/riscv/cv-bitmanip-extractu-fail.l
new file mode 100644
index 00000000000..4ef54335e16
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-extractu-fail.l
@@ -0,0 +1,7 @@
+.*: Assembler messages:
+.*: Error: illegal operands `cv.extractu x32,x32,20,20'
+.*: Error: illegal operands `cv.extractu x33,x33,20,20'
+.*: Error: illegal operands `cv.extractu x6,x7,0,32'
+.*: Error: illegal operands `cv.extractu x6,x7,32,0'
+.*: Error: illegal operands `cv.extractu x6,x7,0,-1'
+.*: Error: illegal operands `cv.extractu x6,x7,-1,0'
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-extractu-fail.s b/gas/testsuite/gas/riscv/cv-bitmanip-extractu-fail.s
new file mode 100644
index 00000000000..ac77c9c2fe7
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-extractu-fail.s
@@ -0,0 +1,9 @@
+target:
+    #Register Tests
+    cv.extractu x32, x32, 20, 20
+    cv.extractu x33, x33, 20, 20
+    #Immediate Values Test
+    cv.extractu x6, x7, 0, 32
+    cv.extractu x6, x7, 32, 0
+    cv.extractu x6, x7, 0, -1
+    cv.extractu x6, x7, -1, 0
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-extractu-pass.d b/gas/testsuite/gas/riscv/cv-bitmanip-extractu-pass.d
new file mode 100644
index 00000000000..40981c3ba73
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-extractu-pass.d
@@ -0,0 +1,19 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-extractu-pass.s
+#objdump: -d
+
+.*:[ 	]+file format .*
+
+
+Disassembly of section .text:
+
+0+000 <target>:
+
+   0:	6940005b          	cv.extractu	zero,zero,20,20
+   4:	694080db          	cv.extractu	ra,ra,20,20
+   8:	6941015b          	cv.extractu	sp,sp,20,20
+   c:	6944045b          	cv.extractu	s0,s0,20,20
+  10:	694a0a5b          	cv.extractu	s4,s4,20,20
+  14:	694f8fdb          	cv.extractu	t6,t6,20,20
+  18:	4003835b          	cv.extractu	t1,t2,0,0
+  1c:	7ff3835b          	cv.extractu	t1,t2,31,31
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-extractu-pass.s b/gas/testsuite/gas/riscv/cv-bitmanip-extractu-pass.s
new file mode 100644
index 00000000000..1df3c3c0eb5
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-extractu-pass.s
@@ -0,0 +1,11 @@
+target:
+    #Register Tests
+    cv.extractu x0, x0, 20, 20
+    cv.extractu x1, x1, 20, 20
+    cv.extractu x2, x2, 20, 20
+    cv.extractu x8, x8, 20, 20
+    cv.extractu x20, x20, 20, 20
+    cv.extractu x31, x31, 20, 20
+    #Immediate Values Test
+    cv.extractu x6, x7, 0, 0
+    cv.extractu x6, x7, 31, 31
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-extractur-fail.d b/gas/testsuite/gas/riscv/cv-bitmanip-extractur-fail.d
new file mode 100644
index 00000000000..548f3b908f9
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-extractur-fail.d
@@ -0,0 +1,3 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-extractur-fail.s
+#error_output: cv-bitmanip-extractur-fail.l
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-extractur-fail.l b/gas/testsuite/gas/riscv/cv-bitmanip-extractur-fail.l
new file mode 100644
index 00000000000..c2ed50f80d3
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-extractur-fail.l
@@ -0,0 +1,3 @@
+.*: Assembler messages:
+.*: Error: illegal operands `cv.extractur x32,x32,x32'
+.*: Error: illegal operands `cv.extractur x33,x33,x33'
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-extractur-fail.s b/gas/testsuite/gas/riscv/cv-bitmanip-extractur-fail.s
new file mode 100644
index 00000000000..bffdd0f1e6e
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-extractur-fail.s
@@ -0,0 +1,4 @@
+target:
+    #Boundary Register Tests
+    cv.extractur x32, x32, x32
+    cv.extractur x33, x33, x33
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-extractur-pass.d b/gas/testsuite/gas/riscv/cv-bitmanip-extractur-pass.d
new file mode 100644
index 00000000000..2898d82e055
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-extractur-pass.d
@@ -0,0 +1,16 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-extractur-pass.s
+#objdump: -d
+
+.*:[ 	]+file format .*
+
+
+Disassembly of section .text:
+
+0+000 <target>:
+   0:	3200302b          	cv.extractur	zero,zero,zero
+   4:	3210b0ab          	cv.extractur	ra,ra,ra
+   8:	3221312b          	cv.extractur	sp,sp,sp
+   c:	3284342b          	cv.extractur	s0,s0,s0
+  10:	334a3a2b          	cv.extractur	s4,s4,s4
+  14:	33ffbfab          	cv.extractur	t6,t6,t6
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-extractur-pass.s b/gas/testsuite/gas/riscv/cv-bitmanip-extractur-pass.s
new file mode 100644
index 00000000000..de4f3114358
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-extractur-pass.s
@@ -0,0 +1,8 @@
+target:
+    #Register Tests
+    cv.extractur x0, x0, x0
+    cv.extractur x1, x1, x1
+    cv.extractur x2, x2, x2
+    cv.extractur x8, x8, x8
+    cv.extractur x20, x20, x20
+    cv.extractur x31, x31, x31
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-ff1-fail.d b/gas/testsuite/gas/riscv/cv-bitmanip-ff1-fail.d
new file mode 100644
index 00000000000..00b421cee97
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-ff1-fail.d
@@ -0,0 +1,3 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-ff1-fail.s
+#error_output: cv-bitmanip-ff1-fail.l
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-ff1-fail.l b/gas/testsuite/gas/riscv/cv-bitmanip-ff1-fail.l
new file mode 100644
index 00000000000..3ab016dd3ac
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-ff1-fail.l
@@ -0,0 +1,3 @@
+.*: Assembler messages:
+.*: Error: illegal operands `cv.ff1 x32,x32'
+.*: Error: illegal operands `cv.ff1 x33,x33'
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-ff1-fail.s b/gas/testsuite/gas/riscv/cv-bitmanip-ff1-fail.s
new file mode 100644
index 00000000000..f28ebe6b5e3
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-ff1-fail.s
@@ -0,0 +1,4 @@
+target:
+    #Boundary Register Tests
+    cv.ff1 x32, x32
+    cv.ff1 x33, x33
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-ff1-pass.d b/gas/testsuite/gas/riscv/cv-bitmanip-ff1-pass.d
new file mode 100644
index 00000000000..37f5d7cc405
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-ff1-pass.d
@@ -0,0 +1,16 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-ff1-pass.s
+#objdump: -d
+
+.*:[ 	]+file format .*
+
+
+Disassembly of section .text:
+
+0+000 <target>:
+   0:	4200302b          	cv.ff1	zero,zero
+   4:	4200b0ab          	cv.ff1	ra,ra
+   8:	4201312b          	cv.ff1	sp,sp
+   c:	4204342b          	cv.ff1	s0,s0
+  10:	420a3a2b          	cv.ff1	s4,s4
+  14:	420fbfab          	cv.ff1	t6,t6
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-ff1-pass.s b/gas/testsuite/gas/riscv/cv-bitmanip-ff1-pass.s
new file mode 100644
index 00000000000..d4b09cb9178
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-ff1-pass.s
@@ -0,0 +1,8 @@
+target:
+    #Register Tests
+    cv.ff1 x0, x0
+    cv.ff1 x1, x1
+    cv.ff1 x2, x2
+    cv.ff1 x8, x8
+    cv.ff1 x20, x20
+    cv.ff1 x31, x31
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-fl1-fail.d b/gas/testsuite/gas/riscv/cv-bitmanip-fl1-fail.d
new file mode 100644
index 00000000000..fc9554af038
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-fl1-fail.d
@@ -0,0 +1,3 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-fl1-fail.s
+#error_output: cv-bitmanip-fl1-fail.l
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-fl1-fail.l b/gas/testsuite/gas/riscv/cv-bitmanip-fl1-fail.l
new file mode 100644
index 00000000000..ca78231d3e9
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-fl1-fail.l
@@ -0,0 +1,3 @@
+.*: Assembler messages:
+.*: Error: illegal operands `cv.fl1 x32,x32'
+.*: Error: illegal operands `cv.fl1 x33,x33'
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-fl1-fail.s b/gas/testsuite/gas/riscv/cv-bitmanip-fl1-fail.s
new file mode 100644
index 00000000000..1fafd9c0833
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-fl1-fail.s
@@ -0,0 +1,4 @@
+target:
+    #Boundary Register Tests
+    cv.fl1 x32, x32
+    cv.fl1 x33, x33
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-fl1-pass.d b/gas/testsuite/gas/riscv/cv-bitmanip-fl1-pass.d
new file mode 100644
index 00000000000..52f90d8ba25
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-fl1-pass.d
@@ -0,0 +1,16 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-fl1-pass.s
+#objdump: -d
+
+.*:[ 	]+file format .*
+
+
+Disassembly of section .text:
+
+0+000 <target>:
+   0:	4400302b          	cv.fl1	zero,zero
+   4:	4400b0ab          	cv.fl1	ra,ra
+   8:	4401312b          	cv.fl1	sp,sp
+   c:	4404342b          	cv.fl1	s0,s0
+  10:	440a3a2b          	cv.fl1	s4,s4
+  14:	440fbfab          	cv.fl1	t6,t6
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-fl1-pass.s b/gas/testsuite/gas/riscv/cv-bitmanip-fl1-pass.s
new file mode 100644
index 00000000000..1778f579f29
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-fl1-pass.s
@@ -0,0 +1,8 @@
+target: 
+    #Register Tests
+    cv.fl1 x0, x0
+    cv.fl1 x1, x1
+    cv.fl1 x2, x2
+    cv.fl1 x8, x8
+    cv.fl1 x20, x20
+    cv.fl1 x31, x31
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-insert-fail.d b/gas/testsuite/gas/riscv/cv-bitmanip-insert-fail.d
new file mode 100644
index 00000000000..c6928b74270
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-insert-fail.d
@@ -0,0 +1,3 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-insert-fail.s
+#error_output: cv-bitmanip-insert-fail.l
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-insert-fail.l b/gas/testsuite/gas/riscv/cv-bitmanip-insert-fail.l
new file mode 100644
index 00000000000..51adfcd99cb
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-insert-fail.l
@@ -0,0 +1,7 @@
+.*: Assembler messages:
+.*: Error: illegal operands `cv.insert x32,x32,20,20'
+.*: Error: illegal operands `cv.insert x33,x33,20,20'
+.*: Error: illegal operands `cv.insert x6,x7,0,32'
+.*: Error: illegal operands `cv.insert x6,x7,32,0'
+.*: Error: illegal operands `cv.insert x6,x7,0,-1'
+.*: Error: illegal operands `cv.insert x6,x7,-1,0'
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-insert-fail.s b/gas/testsuite/gas/riscv/cv-bitmanip-insert-fail.s
new file mode 100644
index 00000000000..e907461defe
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-insert-fail.s
@@ -0,0 +1,9 @@
+target:
+    #Register Tests
+    cv.insert x32, x32, 20, 20
+    cv.insert x33, x33, 20, 20
+    #Immediate Values Test
+    cv.insert x6, x7, 0, 32
+    cv.insert x6, x7, 32, 0
+    cv.insert x6, x7, 0, -1
+    cv.insert x6, x7, -1, 0
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-insert-pass.d b/gas/testsuite/gas/riscv/cv-bitmanip-insert-pass.d
new file mode 100644
index 00000000000..b46744b37cb
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-insert-pass.d
@@ -0,0 +1,19 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-insert-pass.s
+#objdump: -d
+
+.*:[ 	]+file format .*
+
+
+Disassembly of section .text:
+
+0+000 <target>:
+
+   0:	a940005b          	cv.insert	zero,zero,20,20
+   4:	a94080db          	cv.insert	ra,ra,20,20
+   8:	a941015b          	cv.insert	sp,sp,20,20
+   c:	a944045b          	cv.insert	s0,s0,20,20
+  10:	a94a0a5b          	cv.insert	s4,s4,20,20
+  14:	a94f8fdb          	cv.insert	t6,t6,20,20
+  18:	8003835b          	cv.insert	t1,t2,0,0
+  1c:	bff3835b          	cv.insert	t1,t2,31,31
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-insert-pass.s b/gas/testsuite/gas/riscv/cv-bitmanip-insert-pass.s
new file mode 100644
index 00000000000..0de34d64419
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-insert-pass.s
@@ -0,0 +1,11 @@
+target:
+    #Register Tests
+    cv.insert x0, x0, 20, 20
+    cv.insert x1, x1, 20, 20
+    cv.insert x2, x2, 20, 20
+    cv.insert x8, x8, 20, 20
+    cv.insert x20, x20, 20, 20
+    cv.insert x31, x31, 20, 20
+    #Immediate Values Test
+    cv.insert x6, x7, 0, 0
+    cv.insert x6, x7, 31, 31
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-insertr-fail.d b/gas/testsuite/gas/riscv/cv-bitmanip-insertr-fail.d
new file mode 100644
index 00000000000..285c503db26
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-insertr-fail.d
@@ -0,0 +1,3 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-insertr-fail.s
+#error_output: cv-bitmanip-insertr-fail.l
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-insertr-fail.l b/gas/testsuite/gas/riscv/cv-bitmanip-insertr-fail.l
new file mode 100644
index 00000000000..59f606f60f6
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-insertr-fail.l
@@ -0,0 +1,3 @@
+.*: Assembler messages:
+.*: Error: illegal operands `cv.insertr x32,x32,x32'
+.*: Error: illegal operands `cv.insertr x33,x33,x33'
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-insertr-fail.s b/gas/testsuite/gas/riscv/cv-bitmanip-insertr-fail.s
new file mode 100644
index 00000000000..f6e333f9f1a
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-insertr-fail.s
@@ -0,0 +1,4 @@
+target:
+    #Boundary Register Tests
+    cv.insertr x32, x32, x32
+    cv.insertr x33, x33, x33
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-insertr-pass.d b/gas/testsuite/gas/riscv/cv-bitmanip-insertr-pass.d
new file mode 100644
index 00000000000..214f63a8834
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-insertr-pass.d
@@ -0,0 +1,16 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-insertr-pass.s
+#objdump: -d
+
+.*:[ 	]+file format .*
+
+
+Disassembly of section .text:
+
+0+000 <target>:
+   0:	3400302b          	cv.insertr	zero,zero,zero
+   4:	3410b0ab          	cv.insertr	ra,ra,ra
+   8:	3421312b          	cv.insertr	sp,sp,sp
+   c:	3484342b          	cv.insertr	s0,s0,s0
+  10:	354a3a2b          	cv.insertr	s4,s4,s4
+  14:	35ffbfab          	cv.insertr	t6,t6,t6
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-insertr-pass.s b/gas/testsuite/gas/riscv/cv-bitmanip-insertr-pass.s
new file mode 100644
index 00000000000..64f54059f76
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-insertr-pass.s
@@ -0,0 +1,8 @@
+target:
+    #Register Tests
+    cv.insertr x0, x0, x0
+    cv.insertr x1, x1, x1
+    cv.insertr x2, x2, x2
+    cv.insertr x8, x8, x8
+    cv.insertr x20, x20, x20
+    cv.insertr x31, x31, x31
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-march-xcvbitmanip.d b/gas/testsuite/gas/riscv/cv-bitmanip-march-xcvbitmanip.d
new file mode 100644
index 00000000000..aa3ac911330
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-march-xcvbitmanip.d
@@ -0,0 +1,26 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-march-xcvbitmanip.s
+#objdump: -d
+
+.*:[ 	]+file format .*
+
+
+Disassembly of section .text:
+
+0+000 <target>:
+[  ]+0:[ 	]+2943835b[ 	]+cv.extract	t1,t2,20,20
+[  ]+4:[ 	]+6943835b[ 	]+cv.extractu	t1,t2,20,20
+[  ]+8:[ 	]+a943835b[ 	]+cv.insert	t1,t2,20,20
+[  ]+c:[ 	]+2943935b[ 	]+cv.bclr	t1,t2,20,20
+[  ]+10:[ 	]+6943935b[ 	]+cv.bset	t1,t2,20,20
+[  ]+14:[ 	]+c743935b[ 	]+cv.bitrev	t1,t2,3,20
+[  ]+18:[ 	]+307332ab[ 	]+cv.extractr	t0,t1,t2
+[  ]+1c:[ 	]+327332ab[ 	]+cv.extractur	t0,t1,t2
+[  ]+20:[ 	]+347332ab[ 	]+cv.insertr	t0,t1,t2
+[  ]+24:[ 	]+387332ab[ 	]+cv.bclrr	t0,t1,t2
+[  ]+28:[ 	]+3a7332ab[ 	]+cv.bsetr	t0,t1,t2
+[  ]+2c:[ 	]+407332ab[ 	]+cv.ror	t0,t1,t2
+[  ]+30:[ 	]+4203b32b[ 	]+cv.ff1	t1,t2
+[  ]+34:[ 	]+4403b32b[ 	]+cv.fl1	t1,t2
+[  ]+38:[ 	]+4603b32b[ 	]+cv.clb	t1,t2
+[  ]+3c:[ 	]+4803b32b[ 	]+cv.cnt	t1,t2
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-march-xcvbitmanip.s b/gas/testsuite/gas/riscv/cv-bitmanip-march-xcvbitmanip.s
new file mode 100644
index 00000000000..5116f0b82be
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-march-xcvbitmanip.s
@@ -0,0 +1,17 @@
+target:
+    cv.extract x6, x7, 20, 20
+    cv.extractu x6, x7, 20, 20
+    cv.insert x6, x7, 20, 20
+    cv.bclr x6, x7, 20, 20
+    cv.bset x6, x7, 20, 20
+    cv.bitrev x6, x7, 3, 20
+    cv.extractr x5, x6, x7
+    cv.extractur x5, x6, x7
+    cv.insertr x5, x6, x7
+    cv.bclrr x5, x6, x7
+    cv.bsetr x5, x6, x7
+    cv.ror x5, x6, x7
+    cv.ff1 x6, x7
+    cv.fl1 x6, x7
+    cv.clb x6, x7
+    cv.cnt x6, x7
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-ror-fail.d b/gas/testsuite/gas/riscv/cv-bitmanip-ror-fail.d
new file mode 100644
index 00000000000..a3ed0866444
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-ror-fail.d
@@ -0,0 +1,3 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-ror-fail.s
+#error_output: cv-bitmanip-ror-fail.l
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-ror-fail.l b/gas/testsuite/gas/riscv/cv-bitmanip-ror-fail.l
new file mode 100644
index 00000000000..7f2da523276
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-ror-fail.l
@@ -0,0 +1,3 @@
+.*: Assembler messages:
+.*: Error: illegal operands `cv.ror x32,x32,x32'
+.*: Error: illegal operands `cv.ror x33,x33,x33'
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-ror-fail.s b/gas/testsuite/gas/riscv/cv-bitmanip-ror-fail.s
new file mode 100644
index 00000000000..0e7cb9b3c3e
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-ror-fail.s
@@ -0,0 +1,4 @@
+target:
+    #Boundary Register Tests
+    cv.ror x32, x32, x32
+    cv.ror x33, x33, x33
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-ror-pass.d b/gas/testsuite/gas/riscv/cv-bitmanip-ror-pass.d
new file mode 100644
index 00000000000..3d2e6769820
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-ror-pass.d
@@ -0,0 +1,16 @@
+#as: -march=rv32i_xcvbitmanip
+#source: cv-bitmanip-ror-pass.s
+#objdump: -d
+
+.*:[ 	]+file format .*
+
+
+Disassembly of section .text:
+
+0+000 <target>:
+   0:	4000302b          	cv.ror	zero,zero,zero
+   4:	4010b0ab          	cv.ror	ra,ra,ra
+   8:	4021312b          	cv.ror	sp,sp,sp
+   c:	4084342b          	cv.ror	s0,s0,s0
+  10:	414a3a2b          	cv.ror	s4,s4,s4
+  14:	41ffbfab          	cv.ror	t6,t6,t6
diff --git a/gas/testsuite/gas/riscv/cv-bitmanip-ror-pass.s b/gas/testsuite/gas/riscv/cv-bitmanip-ror-pass.s
new file mode 100644
index 00000000000..d933153be99
--- /dev/null
+++ b/gas/testsuite/gas/riscv/cv-bitmanip-ror-pass.s
@@ -0,0 +1,8 @@
+target:
+    #Register Tests
+    cv.ror x0, x0, x0
+    cv.ror x1, x1, x1
+    cv.ror x2, x2, x2
+    cv.ror x8, x8, x8
+    cv.ror x20, x20, x20
+    cv.ror x31, x31, x31
diff --git a/include/opcode/riscv-opc.h b/include/opcode/riscv-opc.h
index e77b49a6298..c1d8cf2a155 100644
--- a/include/opcode/riscv-opc.h
+++ b/include/opcode/riscv-opc.h
@@ -2424,6 +2424,39 @@
 #define MASK_CV_SUBRN 0xc000707f
 #define MATCH_CV_SUBURN 0xc000305b
 #define MASK_CV_SUBURN 0xc000707f
+/* Vendor-specific (CORE-V) Xcvbitmanip instructions. */
+#define MATCH_CV_EXTRACTR     0x3000302b
+#define MATCH_CV_EXTRACTUR    0x3200302b
+#define MATCH_CV_INSERTR      0x3400302b
+#define MATCH_CV_BCLRR        0x3800302b
+#define MATCH_CV_BSETR        0x3a00302b
+#define MATCH_CV_ROR          0x4000302b
+#define MATCH_CV_FF1          0x4200302b
+#define MATCH_CV_FL1          0x4400302b
+#define MATCH_CV_CLB          0x4600302b
+#define MATCH_CV_CNT          0x4800302b
+#define MATCH_CV_EXTRACT      0x5b
+#define MATCH_CV_EXTRACTU     0x4000005b
+#define MATCH_CV_INSERT       0x8000005b
+#define MATCH_CV_BCLR         0x105b
+#define MATCH_CV_BSET         0x4000105b
+#define MATCH_CV_BITREV       0xc000105b
+#define MASK_CV_EXTRACTR      0xfe00707f
+#define MASK_CV_EXTRACTUR     0xfe00707f
+#define MASK_CV_INSERTR       0xfe00707f
+#define MASK_CV_BCLRR         0xfe00707f
+#define MASK_CV_BSETR         0xfe00707f
+#define MASK_CV_ROR           0xfe00707f
+#define MASK_CV_FF1           0xfff0707f
+#define MASK_CV_FL1           0xfff0707f
+#define MASK_CV_CLB           0xfff0707f
+#define MASK_CV_CNT           0xfff0707f
+#define MASK_CV_EXTRACT       0xc000707f
+#define MASK_CV_EXTRACTU      0xc000707f
+#define MASK_CV_INSERT        0xc000707f
+#define MASK_CV_BCLR          0xc000707f
+#define MASK_CV_BSET          0xc000707f
+#define MASK_CV_BITREV        0xf800707f
 /* 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 adea7dbc794..94d962d5246 100644
--- a/include/opcode/riscv.h
+++ b/include/opcode/riscv.h
@@ -117,6 +117,10 @@ static inline unsigned int riscv_insn_length (insn_t insn)
   (RV_X(x, 20, 5))
 #define EXTRACT_CV_IS3_UIMM5(x) \
   (RV_X(x, 25, 5))
+#define EXTRACT_CV_BITMANIP_UIMM5(x) \
+  (RV_X(x, 25, 5))
+#define EXTRACT_CV_BITMANIP_UIMM2(x) \
+  (RV_X(x, 25, 2))
 
 #define ENCODE_ITYPE_IMM(x) \
   (RV_X(x, 0, 12) << 20)
@@ -173,6 +177,10 @@ static inline unsigned int riscv_insn_length (insn_t insn)
   (RV_X(x, 0, 5) << 20)
 #define ENCODE_CV_IS3_UIMM5(x) \
   (RV_X(x, 0, 5) << 25)
+#define ENCODE_CV_BITMANIP_UIMM5(x) \
+  (RV_X(x, 0, 5) << 25)
+#define ENCODE_CV_BITMANIP_UIMM2(x) \
+  (RV_X(x, 0, 2) << 25)
 
 #define VALID_ITYPE_IMM(x) (EXTRACT_ITYPE_IMM(ENCODE_ITYPE_IMM(x)) == (x))
 #define VALID_STYPE_IMM(x) (EXTRACT_STYPE_IMM(ENCODE_STYPE_IMM(x)) == (x))
@@ -471,6 +479,7 @@ enum riscv_insn_class
   INSN_CLASS_H,
   INSN_CLASS_XCVMAC,
   INSN_CLASS_XCVALU,
+  INSN_CLASS_XCVBITMANIP,
   INSN_CLASS_XTHEADBA,
   INSN_CLASS_XTHEADBB,
   INSN_CLASS_XTHEADBS,
diff --git a/opcodes/riscv-dis.c b/opcodes/riscv-dis.c
index 3019b9a5130..5ec79e2e088 100644
--- a/opcodes/riscv-dis.c
+++ b/opcodes/riscv-dis.c
@@ -429,6 +429,21 @@ print_insn_args (const char *oparg, insn_t l, bfd_vma pc, disassemble_info *info
 	    print (info->stream, dis_style_immediate, "0");
 	  break;
 
+	/* CORE-V Specific.  */
+	case 'b':
+	  if (oparg[1] == '6')
+	    {
+	      print (info->stream, dis_style_immediate, "%d", ((int) EXTRACT_CV_BITMANIP_UIMM5 (l)));
+	      ++oparg;
+	      break;
+	    }
+	   else if (oparg[1] == '7')
+	    {
+	      print (info->stream, dis_style_immediate, "%d", ((int) EXTRACT_CV_BITMANIP_UIMM2 (l)));
+	      ++oparg;
+	      break;
+	    }
+	/* Fall through.  */
 	case 's':
 	  if ((l & MASK_JALR) == MATCH_JALR)
 	    maybe_print_address (pd, rs1, EXTRACT_ITYPE_IMM (l), 0);
diff --git a/opcodes/riscv-opc.c b/opcodes/riscv-opc.c
index fdd05ac75dc..7ef9c065d4f 100644
--- a/opcodes/riscv-opc.c
+++ b/opcodes/riscv-opc.c
@@ -2112,6 +2112,25 @@ 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) Xcvbitmanip instructions. */
+{"cv.extractr",     0, INSN_CLASS_XCVBITMANIP, "d,s,t", MATCH_CV_EXTRACTR, MASK_CV_EXTRACTR, match_opcode, 0},
+{"cv.extractur",    0, INSN_CLASS_XCVBITMANIP, "d,s,t", MATCH_CV_EXTRACTUR, MASK_CV_EXTRACTUR, match_opcode, 0},
+{"cv.insertr",      0, INSN_CLASS_XCVBITMANIP, "d,s,t", MATCH_CV_INSERTR, MASK_CV_INSERTR, match_opcode, 0},
+{"cv.bclrr",        0, INSN_CLASS_XCVBITMANIP, "d,s,t", MATCH_CV_BCLRR, MASK_CV_BCLRR, match_opcode, 0},
+{"cv.bsetr",        0, INSN_CLASS_XCVBITMANIP, "d,s,t", MATCH_CV_BSETR, MASK_CV_BSETR, match_opcode, 0},
+{"cv.ror",          0, INSN_CLASS_XCVBITMANIP, "d,s,t", MATCH_CV_ROR, MASK_CV_ROR, match_opcode, 0},
+{"cv.ff1",          0, INSN_CLASS_XCVBITMANIP, "d,s",   MATCH_CV_FF1, MASK_CV_FF1, match_opcode, 0},
+{"cv.fl1",          0, INSN_CLASS_XCVBITMANIP, "d,s",   MATCH_CV_FL1, MASK_CV_FL1, match_opcode, 0},
+{"cv.clb",          0, INSN_CLASS_XCVBITMANIP, "d,s",   MATCH_CV_CLB, MASK_CV_CLB, match_opcode, 0},
+{"cv.cnt",          0, INSN_CLASS_XCVBITMANIP, "d,s",   MATCH_CV_CNT, MASK_CV_CNT, match_opcode, 0},
+
+{"cv.extract",      0, INSN_CLASS_XCVBITMANIP, "d,s,b6,Xc2", MATCH_CV_EXTRACT, MASK_CV_EXTRACT, match_opcode, 0},
+{"cv.extractu",     0, INSN_CLASS_XCVBITMANIP, "d,s,b6,Xc2", MATCH_CV_EXTRACTU, MASK_CV_EXTRACTU, match_opcode, 0},
+{"cv.insert",       0, INSN_CLASS_XCVBITMANIP, "d,s,b6,Xc2", MATCH_CV_INSERT, MASK_CV_INSERT, match_opcode, 0},
+{"cv.bclr",         0, INSN_CLASS_XCVBITMANIP, "d,s,b6,Xc2", MATCH_CV_BCLR, MASK_CV_BCLR, match_opcode, 0},
+{"cv.bset",         0, INSN_CLASS_XCVBITMANIP, "d,s,b6,Xc2", MATCH_CV_BSET, MASK_CV_BSET, match_opcode, 0},
+{"cv.bitrev",       0, INSN_CLASS_XCVBITMANIP, "d,s,b7,Xc2", MATCH_CV_BITREV, MASK_CV_BITREV, 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