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 --git a/gas/ChangeLog b/gas/ChangeLog
index 79d2e7fcc1f5b9524d796880ef97c851c6f6bd83..417923ca1142a30a4ae09e54d32dc83a13090df1 100644 (file)
--- 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 a21fbe6cf5e560ece6dc5614ec419d05dae0888e..12eb13594c928d1c136cc7aa39da6d6f1b9aea5e 100644 (file)
--- 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 00eb6fefb32649fad4f8d1232c9cc09a9c332c54..f5d26695749ac46d150f144acdb3788978ecd18a 100644 (file)
--- 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},