[PATCH 1/2] aarch64: Add support for Neoverse N2 CPU

[Alex Coplan]

This patch adds support for Arm's Neoverse N2 CPU to AArch64 binutils.

Testing:
 * Regression tested on aarch64-none-elf.

OK for master?

Thanks,
Alex

---

gas/ChangeLog:

2020-09-23  Alex Coplan  <alex.coplan@arm.com>

	* config/tc-aarch64.c (aarch64_cpus): Add neoverse-n2.
	* doc/c-aarch64.texi: Document support for Neoverse N2.

-------------- next part --------------
diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c
index 57a2b4e997c..2e3d8d236db 100644
--- a/gas/config/tc-aarch64.c
+++ b/gas/config/tc-aarch64.c
@@ -8977,6 +8977,16 @@ static const struct aarch64_cpu_option_table aarch64_cpus[] = {
   {"xgene2", AARCH64_FEATURE (AARCH64_ARCH_V8,
 			      AARCH64_FEATURE_CRC), "APM X-Gene 2"},
   {"cortex-r82", AARCH64_ARCH_V8_R, "Cortex-R82"},
+  {"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"},
   {"generic", AARCH64_ARCH_V8, NULL},
 
   {NULL, AARCH64_ARCH_NONE, NULL}
diff --git a/gas/doc/c-aarch64.texi b/gas/doc/c-aarch64.texi
index d8f2e19326f..67c299a8790 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-e1},
 @code{qdf24xx},
 @code{saphira},