* bfd/elf32-arm.c (v8): New array.

	(tag_cpu_arch_combine): Add support for ARMv8 attributes.
	(elf32_arm_merge_eabi_attributes): Likewise.
	(VFP_VERSION_COUNT): New define.
	* binutils/readelf.c (arm_attr_tag_CPU_arch): Update for ARMv8.
	(arm_attr_tag_FP_arch): Likewise.
	(arm_attr_tag_Advanced_SIMD_arch): Likewise.
	* gas/config/tc-arm.h (arm_ext_v8): New variable.
	(fpu_vfp_ext_armv8): Likewise.
	(fpu_neon_ext_armv8): Likewise.
	(fpu_crypto_ext_armv8): Likewise.
	(arm_archs): Add armv8-a.
	(arm_extensions): Add crypto, fp, and simd.
	(arm_fpus): Add fp-armv8, neon-fp-armv8, crypto-neon-fp-armv8.
	(cpu_arch_ver): Add support for ARMv8.
	(aeabi_set_public_sttributes): Likewise.
	* gas/doc/c-arm.texi (ARM Options): Document new architecture and
	extension options for ARMv8.
	* gas/testsuite/gas/arm/attr-march-all.d: Update for change in expected
	output.
	* gas/testsuite/gas/arm/attr-mfpu-vfpv4-d16.d: Likewise.
	* gas/testsuite/gas/arm/attr-mfpu-vfpv4.d: Likewise.
	* gas/testsuite/gas/arm/attr-march-armv8-a+crypto.d: New testcase.
	* gas/testsuite/gas/arm/attr-march-armv8-a+fp.d: Likewise.
	* gas/testsuite/gas/arm/attr-march-armv8-a+simd.d: Likewise.
	* gas/testsuite/gas/arm/attr-march-armv8-a.d: Likewise.
	* include/elf/arm.h (TAG_CPU_ARCH_V8): New define.
	(MAX_TAG_CPU_ARCH): Update.
	* include/opcode/arm.h (ARM_EXT_V8): New define.
	(FPU_VFP_EXT_ARMV8): Likewise.
	(FPU_NEON_EXT_ARMV8): Likewise.
	(FPU_CRYPTO_EXT_ARMV8): Likewise.
	(ARM_AEXT_V8A): Likewise.
	(FPU_VFP_ARMV8): Likwise.
	(FPU_NEON_ARMV8): Likewise.
	(FPU_CRYPTO_ARMV8): Likewise.
	(FPU_ARCH_VFP_ARMV8): Likewise.
	(FPU_ARCH_NEON_VFP_ARMV8): Likewise.
	(FPU_ARCH_CRYPTO_NEON_VFP_ARMV8): Likewise.
	(ARM_ARCH_V8A): Likwise.
	(ARM_ARCH_V8A_FP): Likewise.
	(ARM_ARCH_V8A_SIMD): Likewise.
	(ARM_ARCH_V8A_CRYPTO): Likewise.
	* ld/testsuite/ld-arm/arm-elf.exp: Add new testcases.
	* ld/testsuite/ld-arm/attr-merge-vfp-3.d: Update for change in expected
	output.
	* ld/testsuite/ld-arm/attr-merge-vfp-3r.d: Likewise.
	* ld/testsuite/ld-arm/attr-merge-vfp-4.d: Likewise.
	* ld/testsuite/ld-arm/attr-merge-vfp-4r.d: Likewise.
	* ld/testsuite/ld-arm/attr-merge-vfp-5.d: Likewise.
	* ld/testsuite/ld-arm/attr-merge-vfp-5r.d: Likewise.
	* ld/testsuite/ld-arm/attr-merge-vfp-7.d: New testcase.
	* ld/testsuite/ld-arm/attr-merge-vfp-7r.d: Likewise.
	* ld/testsuite/ld-arm/attr-merge-vfp-armv8-hard.s: Likewise.
	* ld/testsuite/ld-arm/attr-merge-vfp-armv8.s: Likewise.

11 files changed, 34 insertions, 6 deletions

diff --git a/ld/testsuite/ld-arm/arm-elf.exp b/ld/testsuite/ld-arm/arm-elf.exp
index 3f2bf92..8e15ffe 100644
--- a/ld/testsuite/ld-arm/arm-elf.exp
+++ b/ld/testsuite/ld-arm/arm-elf.exp
@@ -767,6 +767,8 @@ run_dump_test "attr-merge-vfp-5"
 run_dump_test "attr-merge-vfp-5r"
 run_dump_test "attr-merge-vfp-6"
 run_dump_test "attr-merge-vfp-6r"
+run_dump_test "attr-merge-vfp-7"
+run_dump_test "attr-merge-vfp-7r"
 run_dump_test "attr-merge-incompatible"
 run_dump_test "unresolved-1"
 if { ![istarget "arm*-*-nacl*"] } {
diff --git a/ld/testsuite/ld-arm/attr-merge-vfp-3.d b/ld/testsuite/ld-arm/attr-merge-vfp-3.d
index ee89384..8f9d2e7 100644
--- a/ld/testsuite/ld-arm/attr-merge-vfp-3.d
+++ b/ld/testsuite/ld-arm/attr-merge-vfp-3.d
@@ -11,4 +11,3 @@ File Attributes
   Tag_ARM_ISA_use: Yes
   Tag_THUMB_ISA_use: Thumb-1
   Tag_FP_arch: VFPv4-D16
-  Tag_FP_HP_extension: Allowed
diff --git a/ld/testsuite/ld-arm/attr-merge-vfp-3r.d b/ld/testsuite/ld-arm/attr-merge-vfp-3r.d
index d06bd27..ab0ff33 100644
--- a/ld/testsuite/ld-arm/attr-merge-vfp-3r.d
+++ b/ld/testsuite/ld-arm/attr-merge-vfp-3r.d
@@ -11,4 +11,3 @@ File Attributes
   Tag_ARM_ISA_use: Yes
   Tag_THUMB_ISA_use: Thumb-1
   Tag_FP_arch: VFPv4-D16
-  Tag_FP_HP_extension: Allowed
diff --git a/ld/testsuite/ld-arm/attr-merge-vfp-4.d b/ld/testsuite/ld-arm/attr-merge-vfp-4.d
index c18d672..e51a41b 100644
--- a/ld/testsuite/ld-arm/attr-merge-vfp-4.d
+++ b/ld/testsuite/ld-arm/attr-merge-vfp-4.d
@@ -11,4 +11,3 @@ File Attributes
   Tag_ARM_ISA_use: Yes
   Tag_THUMB_ISA_use: Thumb-1
   Tag_FP_arch: VFPv4
-  Tag_FP_HP_extension: Allowed
diff --git a/ld/testsuite/ld-arm/attr-merge-vfp-4r.d b/ld/testsuite/ld-arm/attr-merge-vfp-4r.d
index 327e0c3..6d19a60 100644
--- a/ld/testsuite/ld-arm/attr-merge-vfp-4r.d
+++ b/ld/testsuite/ld-arm/attr-merge-vfp-4r.d
@@ -11,4 +11,3 @@ File Attributes
   Tag_ARM_ISA_use: Yes
   Tag_THUMB_ISA_use: Thumb-1
   Tag_FP_arch: VFPv4
-  Tag_FP_HP_extension: Allowed
diff --git a/ld/testsuite/ld-arm/attr-merge-vfp-5.d b/ld/testsuite/ld-arm/attr-merge-vfp-5.d
index cd55a86..650b264 100644
--- a/ld/testsuite/ld-arm/attr-merge-vfp-5.d
+++ b/ld/testsuite/ld-arm/attr-merge-vfp-5.d
@@ -11,4 +11,3 @@ File Attributes
   Tag_ARM_ISA_use: Yes
   Tag_THUMB_ISA_use: Thumb-1
   Tag_FP_arch: VFPv4
-  Tag_FP_HP_extension: Allowed
diff --git a/ld/testsuite/ld-arm/attr-merge-vfp-5r.d b/ld/testsuite/ld-arm/attr-merge-vfp-5r.d
index 505c31b..f5fb7d7 100644
--- a/ld/testsuite/ld-arm/attr-merge-vfp-5r.d
+++ b/ld/testsuite/ld-arm/attr-merge-vfp-5r.d
@@ -11,4 +11,3 @@ File Attributes
   Tag_ARM_ISA_use: Yes
   Tag_THUMB_ISA_use: Thumb-1
   Tag_FP_arch: VFPv4
-  Tag_FP_HP_extension: Allowed
diff --git a/ld/testsuite/ld-arm/attr-merge-vfp-7.d b/ld/testsuite/ld-arm/attr-merge-vfp-7.d
new file mode 100644
index 0000000..6b1f9c9
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-vfp-7.d
@@ -0,0 +1,14 @@
+#source: attr-merge-vfp-armv8.s
+#source: attr-merge-vfp-armv8-hard.s
+#as:
+#ld: -r
+#readelf: -A
+# This test is only valid on ELF based ports.
+# not-target: *-*-*coff *-*-pe *-*-wince *-*-*aout* *-*-netbsd *-*-riscix*
+
+Attribute Section: aeabi
+File Attributes
+  Tag_ARM_ISA_use: Yes
+  Tag_THUMB_ISA_use: Thumb-1
+  Tag_FP_arch: FP for ARMv8
+  Tag_ABI_HardFP_use: SP and DP
diff --git a/ld/testsuite/ld-arm/attr-merge-vfp-7r.d b/ld/testsuite/ld-arm/attr-merge-vfp-7r.d
new file mode 100644
index 0000000..6b1f9c9
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-vfp-7r.d
@@ -0,0 +1,14 @@
+#source: attr-merge-vfp-armv8.s
+#source: attr-merge-vfp-armv8-hard.s
+#as:
+#ld: -r
+#readelf: -A
+# This test is only valid on ELF based ports.
+# not-target: *-*-*coff *-*-pe *-*-wince *-*-*aout* *-*-netbsd *-*-riscix*
+
+Attribute Section: aeabi
+File Attributes
+  Tag_ARM_ISA_use: Yes
+  Tag_THUMB_ISA_use: Thumb-1
+  Tag_FP_arch: FP for ARMv8
+  Tag_ABI_HardFP_use: SP and DP
diff --git a/ld/testsuite/ld-arm/attr-merge-vfp-armv8-hard.s b/ld/testsuite/ld-arm/attr-merge-vfp-armv8-hard.s
new file mode 100644
index 0000000..6457974
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-vfp-armv8-hard.s
@@ -0,0 +1,2 @@
+.fpu fp-armv8
+.eabi_attribute Tag_ABI_HardFP_use, 3
diff --git a/ld/testsuite/ld-arm/attr-merge-vfp-armv8.s b/ld/testsuite/ld-arm/attr-merge-vfp-armv8.s
new file mode 100644
index 0000000..a7679cd
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-vfp-armv8.s
@@ -0,0 +1,2 @@
+.fpu fp-armv8
+