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[PATCH][arm][gas] Add -mcpu support for Arm Ares


Hi all,

This adds support for the Arm Ares CPU in the arm port.
It implements the Armv8.2-A architecture with the relevant optional features
of dot product and FP16 on by default.

Note: Ares is a codename to enable early adopters and in time
we will add the final product name once it's announced.

Tested with check-gas on arm-none-eabi

Ok for master (2.32)?

Thanks,
Kyrill

2019-01-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

    * config/tc-arm.c (arm_cpus): Add ares.
    * doc/c-arm.texi (-mcpu): Document ares value.
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index 7235b7f62b6562703faa1bc3e0741fd72a42b085..f5009e11b031325f943e9a23afbf4ce1caa8f152 100644
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -26202,6 +26202,9 @@ static const struct arm_cpu_option_table arm_cpus[] =
   ARM_CPU_OPT ("cortex-a76",    "Cortex-A76",	       ARM_ARCH_V8_2A,
 	       ARM_FEATURE_CORE_HIGH (ARM_EXT2_FP16_INST),
 	       FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_DOTPROD),
+  ARM_CPU_OPT ("ares",    "Ares",	       ARM_ARCH_V8_2A,
+	       ARM_FEATURE_CORE_HIGH (ARM_EXT2_FP16_INST),
+	       FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_DOTPROD),
   ARM_CPU_OPT ("cortex-r4",	  "Cortex-R4",	       ARM_ARCH_V7R,
 	       ARM_ARCH_NONE,
 	       FPU_NONE),
diff --git a/gas/doc/c-arm.texi b/gas/doc/c-arm.texi
index 835777a3abb89eba97b11bd9972adf9a0826bd26..abf1985083089dbde4ed25229b30fbac8acdd740 100644
--- a/gas/doc/c-arm.texi
+++ b/gas/doc/c-arm.texi
@@ -129,6 +129,7 @@ recognized:
 @code{cortex-a73},
 @code{cortex-a75},
 @code{cortex-a76},
+@code{ares},
 @code{cortex-r4},
 @code{cortex-r4f},
 @code{cortex-r5},

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