arm: add support for Cortex-A78 and Cortex-A78AE

bfd/ChangeLog:

2020-09-30  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>

	* cpu-arm.c: Add cortex-a78 and cortex-a78ae.

gas/ChangeLog:

2020-09-30  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>

	* config/tc-arm.c: Add cortex-a78 and cortex-a78ae cores.
	* doc/c-arm.texi: Update docs.
	* NEWS: Update news.
	* testsuite/gas/arm/cpu-cortex-a78.d: New test.
	* testsuite/gas/arm/cpu-cortex-a78ae.d: New test.

bfd/cpu-arm.c

@@ -150,6 +150,8 @@ processors[] =
   { bfd_mach_arm_8,	  "cortex-a76"	    },
   { bfd_mach_arm_8,	  "cortex-a76ae"    },
   { bfd_mach_arm_8,	  "cortex-a77"	    },
+  { bfd_mach_arm_8,	  "cortex-a78"	    },
+  { bfd_mach_arm_8,	  "cortex-a78ae"    },
   { bfd_mach_arm_6SM,	  "cortex-m0"	    },
   { bfd_mach_arm_6SM,	  "cortex-m0plus"   },
   { bfd_mach_arm_6SM,	  "cortex-m1"	    },

gas/NEWS

@@ -1,4 +1,6 @@
 -*- text -*-
+* Add support for Cortex-A78 and Cortex-A78AE for ARM.
+
 * Add support for Cortex-A78 and Cortex-A78AE for AArch64.
 
 * Add support for ETMv4 (Embedded Trace Macrocell) system registers for

gas/config/tc-arm.c

@@ -31540,6 +31540,12 @@ static const struct arm_cpu_option_table arm_cpus[] =
   ARM_CPU_OPT ("cortex-a77",    "Cortex-A77",	       ARM_ARCH_V8_2A,
 	       ARM_FEATURE_CORE_HIGH (ARM_EXT2_FP16_INST),
 	       FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_DOTPROD),
+  ARM_CPU_OPT ("cortex-a78",   "Cortex-A78",	       ARM_ARCH_V8_2A,
+	       ARM_FEATURE_CORE_HIGH (ARM_EXT2_FP16_INST | ARM_EXT2_SB),
+	       FPU_ARCH_DOTPROD_NEON_VFP_ARMV8),
+  ARM_CPU_OPT ("cortex-a78ae",   "Cortex-A78AE",	   ARM_ARCH_V8_2A,
+	       ARM_FEATURE_CORE_HIGH (ARM_EXT2_FP16_INST | ARM_EXT2_SB),
+	       FPU_ARCH_DOTPROD_NEON_VFP_ARMV8),
   ARM_CPU_OPT ("ares",    "Ares",	       ARM_ARCH_V8_2A,
 	       ARM_FEATURE_CORE_HIGH (ARM_EXT2_FP16_INST),
 	       FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_DOTPROD),

gas/doc/c-arm.texi

@@ -131,6 +131,8 @@ recognized:
 @code{cortex-a76},
 @code{cortex-a76ae},
 @code{cortex-a77},
+@code{cortex-a78},
+@code{cortex-a78ae},
 @code{ares},
 @code{cortex-r4},
 @code{cortex-r4f},

gas/testsuite/gas/arm/cpu-cortex-a78.d

@@ -0,0 +1,6 @@
+# name: Assemble and dump for cortex-a78 CPU
+# source: nop-asm.s
+# as: -mcpu=cortex-a78
+# objdump: -d -mcortex-a78
+
+#...

gas/testsuite/gas/arm/cpu-cortex-a78ae.d

@@ -0,0 +1,6 @@
+# name: Assemble and dump for cortex-a78ae CPU
+# source: nop-asm.s
+# as: -mcpu=cortex-a78ae
+# objdump: -d -mcortex-a78ae
+
+#...