[arm,gas] Add support for Neoverse N1

Message ID bff3cc05-bcec-c2ea-9de8-1ae7e2790532@foss.arm.com
State New
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Series
  • [arm,gas] Add support for Neoverse N1
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Commit Message

Kyrill Tkachov Feb. 21, 2019, 4:48 p.m.
Hi all,

This adds support for the Neoverse N1 CPU [1] to gas.
This was previously enabled under the Ares codename, which remains as
a valid option for -mcpu for compatibility reasons.

make check-gas passes on arm-none-eabi.

Ok for master?
Thanks,
Kyrill

[1] 
https://community.arm.com/processors/b/blog/posts/arm-neoverse-n1-platform-accelerating-the-transformation-to-a-scalable-cloud-to-edge-infrastructure

2019-02-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

     * config/tc-arm.c (arm_cpus): Add neoverse-n1.
     * doc/c-arm.texi (-mcpu): Document neoverse-n1 value.

Comments

Nick Clifton Feb. 22, 2019, 9:49 a.m. | #1
Hi Kyrill,

> 2019-02-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

> 

>     * config/tc-arm.c (arm_cpus): Add neoverse-n1.

>     * doc/c-arm.texi (-mcpu): Document neoverse-n1 value.


Approved - please apply.

Cheers
  Nick

Patch

diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index da5dd25fcf2807b8e173e923331026f5dd82cb9b..29d8be8da7348aebf4061cf95d09965372a334ef 100644
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -26253,7 +26253,9 @@  static const struct arm_cpu_option_table arm_cpus[] =
   ARM_CPU_OPT ("exynos-m1",	  "Samsung Exynos M1", ARM_ARCH_V8A,
 	       ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
 	       FPU_ARCH_CRYPTO_NEON_VFP_ARMV8),
-
+  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),
   /* ??? XSCALE is really an architecture.  */
   ARM_CPU_OPT ("xscale",	  NULL,		       ARM_ARCH_XSCALE,
 	       ARM_ARCH_NONE,
diff --git a/gas/doc/c-arm.texi b/gas/doc/c-arm.texi
index 70266058123487606f83a004a2899672bb22a0ec..4fb6cadf93526be4736e38cfcac27aa457df40c9 100644
--- a/gas/doc/c-arm.texi
+++ b/gas/doc/c-arm.texi
@@ -147,6 +147,7 @@  recognized:
 @code{exynos-m1},
 @code{marvell-pj4},
 @code{marvell-whitney},
+@code{neoverse-n1},
 @code{xgene1},
 @code{xgene2},
 @code{ep9312} (ARM920 with Cirrus Maverick coprocessor),