Add support for ARM Cortex-M23 processor

2016-11-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>

gas/
	* config/tc-arm.c (cortex-m23): Declare new processor.
	* doc/c-arm.texi (-mcpu ARM command line option): Document new
	Cortex-M23 processor.
	* NEWS: Mention ARM Cortex-M23 support.

gas/ChangeLog

@@ -1,3 +1,10 @@
+2016-11-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
+
+	* config/tc-arm.c (cortex-m23): Declare new processor.
+	* doc/c-arm.texi (-mcpu ARM command line option): Document new
+	Cortex-M23 processor.
+	* NEWS: Mention ARM Cortex-M23 support.
+
 2016-11-04  Palmer Dabbelt  <palmer@dabbelt.com>
 	    Andrew Waterman <andrew@sifive.com>
 

gas/NEWS

@@ -2,6 +2,8 @@
 
 * Add support for the RISC-V architecture.
 
+* Add support for the ARM Cortex-M23 processor.
+
 Changes in 2.27:
 
 * Default to --enable-compressed-debug-sections=gas for Linux/x86 targets.

gas/config/tc-arm.c

@@ -25459,6 +25459,8 @@ static const struct arm_cpu_option_table arm_cpus[] =
   ARM_CPU_OPT ("cortex-r8",	ARM_ARCH_V7R_IDIV,
 						 FPU_ARCH_VFP_V3D16,
 								  "Cortex-R8"),
+  ARM_CPU_OPT ("cortex-m23",	ARM_ARCH_V8M_BASE,
+						 FPU_NONE,	  "Cortex-M23"),
   ARM_CPU_OPT ("cortex-m7",	ARM_ARCH_V7EM,	 FPU_NONE,	  "Cortex-M7"),
   ARM_CPU_OPT ("cortex-m4",	ARM_ARCH_V7EM,	 FPU_NONE,	  "Cortex-M4"),
   ARM_CPU_OPT ("cortex-m3",	ARM_ARCH_V7M,	 FPU_NONE,	  "Cortex-M3"),

gas/doc/c-arm.texi

@@ -131,6 +131,7 @@ recognized:
 @code{cortex-r5},
 @code{cortex-r7},
 @code{cortex-r8},
+@code{cortex-m23},
 @code{cortex-m7},
 @code{cortex-m4},
 @code{cortex-m3},