arm: Add support for Neoverse N2 CPU

This patch backports the AArch32 support for Arm's Neoverse N2 CPU to
binutils 2.35.

gas/ChangeLog:

	* config/tc-arm.c (arm_cpus): Add Neoverse N2.
	* doc/c-arm.texi: Document -mcpu=neoverse-n2.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index b4ad4195b5a385f7cc4fd93038cf271409cfbca7..abd9ddd171e03a8e08fff8c2b4f55ca36cb29bd5 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2020-10-09  Alex Coplan  <alex.coplan@arm.com>
+
+       * config/tc-arm.c (arm_cpus): Add Neoverse N2.
+       * doc/c-arm.texi: Document -mcpu=neoverse-n2.
+
 2020-10-09  Alex Coplan  <alex.coplan@arm.com>
 
        * config/tc-arm.c (arm_cpus): Add Neoverse V1.

diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index 9121cc40ab74ba2354a5ab9833fce0071ce3242c..a9aaffa3bdd7ea26708452dd327045199641266a 100644 (file)
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -31587,6 +31587,11 @@ static const struct arm_cpu_option_table arm_cpus[] =
   ARM_CPU_OPT ("neoverse-n1",    "Neoverse N1",               ARM_ARCH_V8_2A,
               ARM_FEATURE_CORE_HIGH (ARM_EXT2_FP16_INST),
               FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_DOTPROD),
+  ARM_CPU_OPT ("neoverse-n2",   "Neoverse N2",        ARM_ARCH_V8_5A,
+              ARM_FEATURE_CORE_HIGH (ARM_EXT2_FP16_INST
+                                   | ARM_EXT2_BF16
+                                   | ARM_EXT2_I8MM),
+              FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_4),
   ARM_CPU_OPT ("neoverse-v1", "Neoverse V1", ARM_ARCH_V8_4A,
               ARM_FEATURE_CORE_HIGH (ARM_EXT2_FP16_INST
                                    | ARM_EXT2_BF16

diff --git a/gas/doc/c-arm.texi b/gas/doc/c-arm.texi
index dde3ff75c8048463937dc1ed2c9a15caae32bf19..16c94de675cbfaca076b415753026990f66f4d19 100644 (file)
--- a/gas/doc/c-arm.texi
+++ b/gas/doc/c-arm.texi
@@ -151,6 +151,7 @@ recognized:
 @code{marvell-pj4},
 @code{marvell-whitney},
 @code{neoverse-n1},
+@code{neoverse-n2},
 @code{neoverse-v1},
 @code{xgene1},
 @code{xgene2},