[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 bb94e21c1e7b046f61f2c279699cc0c37d82bb06..c5c0dfef14a1f132bc103a30d2052ad34e9dec1b 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 160173887df872bc325f1297d2f0c7b12ee2424c..cde006eb1285773a8cc42908e8df8e3005fb4a26 100644 (file)
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -24534,6 +24534,7 @@ 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 23ac8493ca801e23b091ba756bd84f243826b5c5..b6ce0c56af2aa319ec98304dfa70f19a9ccb30c0 100644 (file)
--- a/gas/doc/c-arm.texi
+++ b/gas/doc/c-arm.texi
@@ -209,6 +209,7 @@ names are recognized:
 @code{armv7e-m},
 @code{armv8-a},
 @code{armv8.1-a},
+@code{armv8.2-a},
 @code{iwmmxt}
 and
 @code{xscale}.

diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index cf0879d81b76273e8e40a6ef585c320f532d2ea1..f1a849120c40da81aa95a9e4b208e8b6a0968dee 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 0fbce91cc6627da0d926ccf1828b28e4b5828cab..98a3429ef77c8e2155122bb883ff722c69fcf19e 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.          */
@@ -249,6 +250,8 @@
 #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)