[PATCH] RISC-V: Add support for ziccamoc extension.

This patch adds minimal support for the RISC-V Ziccamoc extension, version 1.0[1].

[1] https://github.com/riscv/riscv-isa-manual/blob/main/src/unpriv/ziccamoc.adoc

bfd/ChangeLog:

	* elfxx-riscv.c: Add ziccamoc extension.

gas/ChangeLog:

	* NEWS: Add ziccamoc extension.
	* testsuite/gas/riscv/march-help.l: Ditto.

---
 bfd/elfxx-riscv.c                    | 1 +
 gas/NEWS                             | 2 ++
 gas/testsuite/gas/riscv/march-help.l | 1 +
 3 files changed, 4 insertions(+)

diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c
index 961c44a9206..9053719ee5b 100644
--- a/bfd/elfxx-riscv.c
+++ b/bfd/elfxx-riscv.c
@@ -1458,6 +1458,7 @@ static const struct riscv_supported_ext riscv_supported_std_z_ext[] =
 {
   {"zic64b",		ISA_SPEC_CLASS_DRAFT,		1, 0, 0 },
   {"ziccamoa",		ISA_SPEC_CLASS_DRAFT,		1, 0, 0 },
+  {"ziccamoc",		ISA_SPEC_CLASS_DRAFT,		1, 0, 0 },
   {"ziccif",		ISA_SPEC_CLASS_DRAFT,		1, 0, 0 },
   {"zicclsm",		ISA_SPEC_CLASS_DRAFT,		1, 0, 0 },
   {"ziccrse",		ISA_SPEC_CLASS_DRAFT,		1, 0, 0 },
diff --git a/gas/NEWS b/gas/NEWS
index 4c55a544f25..ab2d44a10f9 100644
--- a/gas/NEWS
+++ b/gas/NEWS
@@ -11,6 +11,8 @@
 * Add support for RISC-V vendor extensions:
   SpacemiT: xsmtvdot v1.0, xsmtvdotii v1.0.

+* Add support for RISC-V ziccamoc extension with version 1.0.
+
 Changes in 2.46:

 * Add support for AMD Zen6 processor.
diff --git a/gas/testsuite/gas/riscv/march-help.l b/gas/testsuite/gas/riscv/march-help.l
index db6a86bc287..7def0ff801e 100644
--- a/gas/testsuite/gas/riscv/march-help.l
+++ b/gas/testsuite/gas/riscv/march-help.l
@@ -12,6 +12,7 @@ All available -march extensions for RISC-V:
 	h                                       1.0
 	zic64b                                  1.0
 	ziccamoa                                1.0
+	ziccamoc                                1.0
 	ziccif                                  1.0
 	zicclsm                                 1.0
 	ziccrse                                 1.0
--
2.34.1