[arm][gas] Add support for Neoverse N1

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.

[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.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index ae55cde71ef21238a49a3fbc482aceef4c5cf8dd..a301c047f1ca31039c18eee1d48b2b2d802f923d 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+       * config/tc-arm.c (arm_cpus): Add neoverse-n1.
+       * doc/c-arm.texi (-mcpu): Document neoverse-n1 value.
+
 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 
        * config/tc-aarch64.c (aarch64_cpus): Add neoverse-e1.

diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index e6600f6b10e6edee7c28cbebffff540326071578..5bcd88ba8feb06177a5a909d4405b59861677e21 100644 (file)
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -26264,7 +26264,9 @@ 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 (file)
--- 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),