[AArch64] Renaming ARMv8.1 to ARMv8.1-A in comments and documentations

[Jiong Wang <jiong dot wang at foss dot arm dot com>]

As the request from

  https://gcc.gnu.org/ml/gcc-patches/2016-06/msg01936.html

This patch replace all use of ARMv8.1 to ARMv8.1-A.

OK for trunk?

2016-07-04  Jiong Wang  <jiong.wang@arm.com>

gcc/
  * config/aarch64/aarch64.h: Rename "ARMv8.1" to "ARMv8.1-A".
  * config/aarch64/aarch64_neon.h: Likewise.
  * config/aarch64/arm_neon.h: Likewise.
  * config/aarch64/atomics.md: Likewise.
  * config/aarch64/aarch64-simd-builtins.def: Likewise.
  * doc/invoke.texi: Likewise.

diff --git a/gcc/config/aarch64/aarch64-simd-builtins.def b/gcc/config/aarch64/aarch64-simd-builtins.def
index 02d465b8a0848d2f1676015462478a83e97e6b9b..3e4740c460a335d8a4d5ce8b19fc311aa14a47d4 100644
--- a/gcc/config/aarch64/aarch64-simd-builtins.def
+++ b/gcc/config/aarch64/aarch64-simd-builtins.def
@@ -432,7 +432,7 @@
   VAR1 (TERNOP, qtbx4, 0, v8qi)
   VAR1 (TERNOP, qtbx4, 0, v16qi)
 
-  /* Builtins for ARMv8.1 Adv.SIMD instructions.  */
+  /* Builtins for ARMv8.1-A Adv.SIMD instructions.  */
 
   /* Implemented by aarch64_sqrdml<SQRDMLH_AS:rdma_as>h<mode>.  */
   BUILTIN_VSDQ_HSI (TERNOP, sqrdmlah, 0)
diff --git a/gcc/config/aarch64/aarch64.h b/gcc/config/aarch64/aarch64.h
index 59805a9f71abf0639cd6053b88304fbb8fc9e296..19159802d6bbad16e11a23b8b44507507fa4cce8 100644
--- a/gcc/config/aarch64/aarch64.h
+++ b/gcc/config/aarch64/aarch64.h
@@ -132,9 +132,9 @@ extern unsigned aarch64_architecture_version;
 #define AARCH64_FL_FP         (1 << 1)	/* Has FP.  */
 #define AARCH64_FL_CRYPTO     (1 << 2)	/* Has crypto.  */
 #define AARCH64_FL_CRC        (1 << 3)	/* Has CRC.  */
-/* ARMv8.1 architecture extensions.  */
+/* ARMv8.1-A architecture extensions.  */
 #define AARCH64_FL_LSE	      (1 << 4)  /* Has Large System Extensions.  */
-#define AARCH64_FL_V8_1	      (1 << 5)  /* Has ARMv8.1 extensions.  */
+#define AARCH64_FL_V8_1	      (1 << 5)  /* Has ARMv8.1-A extensions.  */
 /* ARMv8.2-A architecture extensions.  */
 #define AARCH64_FL_V8_2	      (1 << 8)  /* Has ARMv8.2-A features.  */
 #define AARCH64_FL_F16	      (1 << 9)  /* Has ARMv8.2-A FP16 extensions.  */
@@ -204,7 +204,7 @@ extern unsigned aarch64_architecture_version;
   ((aarch64_fix_a53_err843419 == 2)	\
   ? TARGET_FIX_ERR_A53_843419_DEFAULT : aarch64_fix_a53_err843419)
 
-/* ARMv8.1 Adv.SIMD support.  */
+/* ARMv8.1-A Adv.SIMD support.  */
 #define TARGET_SIMD_RDMA (TARGET_SIMD && AARCH64_ISA_RDMA)
 
 /* Standard register usage.  */
diff --git a/gcc/config/aarch64/arm_neon.h b/gcc/config/aarch64/arm_neon.h
index ebf6fa2b63ee6ec1f73e62a0c957b9633e22d2a6..475e200a683436af5026edafa568f16126f4340a 100644
--- a/gcc/config/aarch64/arm_neon.h
+++ b/gcc/config/aarch64/arm_neon.h
@@ -10516,7 +10516,7 @@ vbslq_u64 (uint64x2_t __a, uint64x2_t __b, uint64x2_t __c)
   return __builtin_aarch64_simd_bslv2di_uuuu (__a, __b, __c);
 }
 
-/* ARMv8.1 instrinsics.  */
+/* ARMv8.1-A instrinsics.  */
 #pragma GCC push_options
 #pragma GCC target ("arch=armv8.1-a")
 
diff --git a/gcc/config/aarch64/atomics.md b/gcc/config/aarch64/atomics.md
index 3b65b4b238fd130c17e5c64edfc84790e38fbe51..d84339db2a838f51182f9896d9f0cd446924ef65 100644
--- a/gcc/config/aarch64/atomics.md
+++ b/gcc/config/aarch64/atomics.md
@@ -583,7 +583,7 @@
   }
 )
 
-;; ARMv8.1 LSE instructions.
+;; ARMv8.1-A LSE instructions.
 
 ;; Atomic swap with memory.
 (define_insn "aarch64_atomic_swp<mode>"
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 7e23e1c56ca1711d734ab3f10eaf47495cdaf335..fade21caced16132bb786bcc2e21e7094fbb50d2 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -13107,7 +13107,7 @@ The value @samp{armv8.2-a} implies @samp{armv8.1-a} and enables compiler
 support for the ARMv8.2-A architecture extensions.
 
 The value @samp{armv8.1-a} implies @samp{armv8-a} and enables compiler
-support for the ARMv8.1 architecture extension.  In particular, it
+support for the ARMv8.1-A architecture extension.  In particular, it
 enables the @samp{+crc} and @samp{+lse} features.
 
 The value @samp{native} is available on native AArch64 GNU/Linux and