[ARM] Add ARMv8.2 architecture feature and command line option.

ARMv8.2 is an architectural extension of ARMv8. This patch adds an
architecture feature macro for ARMv8.2 to the binutils ARM target
with GAS command line option -march=armv8.2-a.

gas/
2015-11-19  Matthew Wahab  <matthew.wahab@arm.com>

	* config/tc-arm.c (arm_archs): Add "armv8.2-a".
	* doc/c-arm.texi (-march): Add "armv8.2-a".

include/opcode/
2015-11-19  Matthew Wahab  <matthew.wahab@arm.com>

	* arm.h (ARM_EXT2_V8_2A): New.
	(ARM_ARCH_V8_2A): New.

Change-Id: I9e0f50e3c6cea24e6b87b8b862fd4e1cdcc1052e

diff --git a/gas/ChangeLog b/gas/ChangeLog
index b3e1610e1699096f1a8362780817dcb2980539f2..cbcae455b83fbca6c4cc85d61e9e93d75b757c5d 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2015-11-19  Matthew Wahab  <matthew.wahab@arm.com>
+
+       * config/tc-arm.c (arm_archs): Add "armv8.2-a".
+       * doc/c-arm.texi (-march): Add "armv8.2-a".
+
 2015-11-19  Matthew Wahab  <matthew.wahab@arm.com>
 
        * config/tc-aarch64.c (aarch64_archs): Add "armv8.2-a".

diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index 3b0a021a379bc72c21ba8f0c312789fc25dd2d5e..23c506de39736fa3e1852a0442a4a31bc614e909 100644 (file)
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -24826,6 +24826,7 @@ static const struct arm_arch_option_table arm_archs[] =
   ARM_ARCH_OPT ("armv7e-m",    ARM_ARCH_V7EM,   FPU_ARCH_VFP),
   ARM_ARCH_OPT ("armv8-a",     ARM_ARCH_V8A,    FPU_ARCH_VFP),
   ARM_ARCH_OPT ("armv8.1-a",   ARM_ARCH_V8_1A,  FPU_ARCH_VFP),
+  ARM_ARCH_OPT ("armv8.2-a",   ARM_ARCH_V8_2A,  FPU_ARCH_VFP),
   ARM_ARCH_OPT ("xscale",      ARM_ARCH_XSCALE, FPU_ARCH_VFP),
   ARM_ARCH_OPT ("iwmmxt",      ARM_ARCH_IWMMXT, FPU_ARCH_VFP),
   ARM_ARCH_OPT ("iwmmxt2",     ARM_ARCH_IWMMXT2,FPU_ARCH_VFP),

diff --git a/gas/doc/c-arm.texi b/gas/doc/c-arm.texi
index 9a34f5e7dfb2efd83636f44123c5a40d5e511c6f..ee26e6dc0a11f35b23550ae52e318785257b5cfc 100644 (file)
--- a/gas/doc/c-arm.texi
+++ b/gas/doc/c-arm.texi
@@ -223,6 +223,7 @@ names are recognized:
 @code{armv7e-m},
 @code{armv8-a},
 @code{armv8.1-a},
+@code{armv8.2-a},
 @code{iwmmxt}
 @code{iwmmxt2}
 and

diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index a4d4673769bcb6c748babf58c8a0ca6d305e84ce..16feca1110046d643d2286b960d2e4fc48b98be5 100644 (file)
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,8 @@
+2015-11-19  Matthew Wahab  <matthew.wahab@arm.com>
+
+       * arm.h (ARM_EXT2_V8_2A): New.
+       (ARM_ARCH_V8_2A): New.
+
 2015-11-19  Matthew Wahab  <matthew.wahab@arm.com>
 
        * aarch64.h (AARCH64_FEATURE_V8_2): New.

diff --git a/include/opcode/arm.h b/include/opcode/arm.h
index 41f056424a74703e197cec8f04c8d9d0f1cc96c7..5e7d6837958b122bb9d62eeb22c4c739baee8167 100644 (file)
--- a/include/opcode/arm.h
+++ b/include/opcode/arm.h
@@ -58,6 +58,7 @@
 #define ARM_EXT_VIRT    0x80000000     /* Virtualization extensions.  */
 
 #define ARM_EXT2_PAN    0x00000001     /* PAN extension.  */
+#define ARM_EXT2_V8_2A  0x00000002     /* ARM V8.2A.  */
 
 /* Co-processor space extensions.  */
 #define ARM_CEXT_XSCALE   0x00000001   /* Allow MIA etc.          */
@@ -251,6 +252,8 @@
 #define ARM_ARCH_V7EM  ARM_FEATURE_CORE_LOW (ARM_AEXT_V7EM)
 #define ARM_ARCH_V8A   ARM_FEATURE_CORE_LOW (ARM_AEXT_V8A)
 #define ARM_ARCH_V8_1A ARM_FEATURE_CORE (ARM_AEXT_V8A, ARM_EXT2_PAN)
+#define ARM_ARCH_V8_2A ARM_FEATURE_CORE (ARM_AEXT_V8A, \
+                                         ARM_EXT2_PAN | ARM_EXT2_V8_2A)
 
 /* Some useful combinations:  */
 #define ARM_ARCH_NONE  ARM_FEATURE_LOW (0, 0)