[binutils-gdb/binutils-2_35-branch] aarch64: Add support for Neoverse N2 CPU

[Alex Coplan]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=1d63b4bfae093ef33f0aaef6863a726fed3e34ff

commit 1d63b4bfae093ef33f0aaef6863a726fed3e34ff
Author: Alex Coplan <alex.coplan@arm.com>
Date:   Thu Nov 5 14:45:28 2020 +0000

    aarch64: Add support for Neoverse N2 CPU
    
    This patch backports the AArch64 support for Arm's Neoverse N2 CPU to
    binutils 2.35.
    
    gas/ChangeLog:
    
            * config/tc-aarch64.c (aarch64_cpus): Add neoverse-n2.
            * doc/c-aarch64.texi: Document support for Neoverse N2.

Diff:
---
 gas/ChangeLog           |  5 +++++
 gas/config/tc-aarch64.c | 10 ++++++++++
 gas/doc/c-aarch64.texi  |  1 +
 3 files changed, 16 insertions(+)

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 79d2e7fcc1f..417923ca114 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2020-11-05  Alex Coplan  <alex.coplan@arm.com>
+
+	* config/tc-aarch64.c (aarch64_cpus): Add neoverse-n2.
+	* doc/c-aarch64.texi: Document support for Neoverse N2.
+
 2020-10-21  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
 
 	PR target/26763
diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c
index a21fbe6cf5e..12eb13594c9 100644
--- a/gas/config/tc-aarch64.c
+++ b/gas/config/tc-aarch64.c
@@ -8930,6 +8930,16 @@ static const struct aarch64_cpu_option_table aarch64_cpus[] = {
 				  | AARCH64_FEATURE_DOTPROD
 				  | AARCH64_FEATURE_PROFILE),
 				  "Neoverse N1"},
+  {"neoverse-n2", AARCH64_FEATURE (AARCH64_ARCH_V8_5,
+				   AARCH64_FEATURE_BFLOAT16
+				 | AARCH64_FEATURE_I8MM
+				 | AARCH64_FEATURE_F16
+				 | AARCH64_FEATURE_SVE
+				 | AARCH64_FEATURE_SVE2
+				 | AARCH64_FEATURE_SVE2_BITPERM
+				 | AARCH64_FEATURE_MEMTAG
+				 | AARCH64_FEATURE_RNG),
+				 "Neoverse N2"},
   {"neoverse-v1", AARCH64_FEATURE (AARCH64_ARCH_V8_4,
 			    AARCH64_FEATURE_PROFILE
 			  | AARCH64_FEATURE_CVADP
diff --git a/gas/doc/c-aarch64.texi b/gas/doc/c-aarch64.texi
index 00eb6fefb32..f5d26695749 100644
--- a/gas/doc/c-aarch64.texi
+++ b/gas/doc/c-aarch64.texi
@@ -72,6 +72,7 @@ on the target processor.  The following processor names are recognized:
 @code{exynos-m1},
 @code{falkor},
 @code{neoverse-n1},
+@code{neoverse-n2},
 @code{neoverse-v1},
 @code{neoverse-e1},
 @code{qdf24xx},