[ARM] Build attributes for ARMv8.1-A AdvSIMD

binutils/
2016-03-04  Matthew Wahab  <matthew.wahab@arm.com>

	* readelf.c (arm_attry_tag_FP_arch): Add "NEON for ARMv8.1".

gas/
2016-03-04  Matthew Wahab  <matthew.wahab@arm.com>

	* config/tc-arm.c (aeabi_set_public_attributes): Emit attribute
	for ARMv8.1 AdvSIMD use.
	* testsuite/gas/arm/attr-march-armv8-a+rdma.d: New.
	* testsuite/gas/arm/attr-march-armv8_1-a+simd.d: New.

Change-Id: I3c356e0681b97df2f9c0dabd7c0fd1b441cc2755

diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 56c8adc..7ba4aec 100644 (file)
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,7 @@
+2016-03-04  Matthew Wahab  <matthew.wahab@arm.com>
+
+       * readelf.c (arm_attry_tag_FP_arch): Add "NEON for ARMv8.1".
+
 2016-02-26  H.J. Lu  <hongjiu.lu@intel.com>
 
        PR ld/19645

diff --git a/binutils/readelf.c b/binutils/readelf.c
index a40453d..7deac04 100644 (file)
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -12775,7 +12775,8 @@ static const char * arm_attr_tag_FP_arch[] =
    "FP for ARMv8", "FPv5/FP-D16 for ARMv8"};
 static const char * arm_attr_tag_WMMX_arch[] = {"No", "WMMXv1", "WMMXv2"};
 static const char * arm_attr_tag_Advanced_SIMD_arch[] =
-  {"No", "NEONv1", "NEONv1 with Fused-MAC", "NEON for ARMv8"};
+  {"No", "NEONv1", "NEONv1 with Fused-MAC", "NEON for ARMv8",
+   "NEON for ARMv8.1"};
 static const char * arm_attr_tag_PCS_config[] =
   {"None", "Bare platform", "Linux application", "Linux DSO", "PalmOS 2004",
    "PalmOS (reserved)", "SymbianOS 2004", "SymbianOS (reserved)"};

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 1bdc9e5..14868ac 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,5 +1,12 @@
 2016-03-04  Matthew Wahab  <matthew.wahab@arm.com>
 
+       * config/tc-arm.c (aeabi_set_public_attributes): Emit attribute
+       for ARMv8.1 AdvSIMD use.
+       * testsuite/gas/arm/attr-march-armv8-a+rdma.d: New.
+       * testsuite/gas/arm/attr-march-armv8_1-a+simd.d: New.
+
+2016-03-04  Matthew Wahab  <matthew.wahab@arm.com>
+
        * config/gas/tc-arm.c (fpu_neon_ext_v8_1): Restrict to the ARMv8.1 RDMA
        feature.
        (record_feature_use): New.

diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index e725f41..6930220 100644 (file)
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -26158,7 +26158,9 @@ aeabi_set_public_attributes (void)
     aeabi_set_attribute_int (Tag_WMMX_arch, 1);
 
   /* Tag_Advanced_SIMD_arch (formerly Tag_NEON_arch).  */
-  if (ARM_CPU_HAS_FEATURE (flags, fpu_neon_ext_armv8))
+  if (ARM_CPU_HAS_FEATURE (flags, fpu_neon_ext_v8_1))
+    aeabi_set_attribute_int (Tag_Advanced_SIMD_arch, 4);
+  else if (ARM_CPU_HAS_FEATURE (flags, fpu_neon_ext_armv8))
     aeabi_set_attribute_int (Tag_Advanced_SIMD_arch, 3);
   else if (ARM_CPU_HAS_FEATURE (flags, fpu_neon_ext_v1))
     {

diff --git a/gas/testsuite/gas/arm/attr-march-armv8-a+rdma.d b/gas/testsuite/gas/arm/attr-march-armv8-a+rdma.d
new file mode 100644 (file)
index 0000000..76414d0
--- /dev/null
+++ b/gas/testsuite/gas/arm/attr-march-armv8-a+rdma.d
@@ -0,0 +1,18 @@
+# name: attributes for -march=armv8-a+rdma
+# source: blank.s
+# as: -march=armv8-a+rdma
+# readelf: -A
+# This test is only valid on EABI based ports.
+# target: *-*-*eabi* *-*-nacl*
+
+Attribute Section: aeabi
+File Attributes
+  Tag_CPU_name: "8-A"
+  Tag_CPU_arch: v8
+  Tag_CPU_arch_profile: Application
+  Tag_ARM_ISA_use: Yes
+  Tag_THUMB_ISA_use: Thumb-2
+  Tag_FP_arch: FP for ARMv8
+  Tag_Advanced_SIMD_arch: NEON for ARMv8.1
+  Tag_MPextension_use: Allowed
+  Tag_Virtualization_use: TrustZone and Virtualization Extensions

diff --git a/gas/testsuite/gas/arm/attr-march-armv8_1-a+simd.d b/gas/testsuite/gas/arm/attr-march-armv8_1-a+simd.d
new file mode 100644 (file)
index 0000000..de002a6
--- /dev/null
+++ b/gas/testsuite/gas/arm/attr-march-armv8_1-a+simd.d
@@ -0,0 +1,18 @@
+# name: attributes for -march=armv8.1-a+simd
+# source: blank.s
+# as: -march=armv8.1-a+simd
+# readelf: -A
+# This test is only valid on EABI based ports.
+# target: *-*-*eabi* *-*-nacl*
+
+Attribute Section: aeabi
+File Attributes
+  Tag_CPU_name: "8.1-A"
+  Tag_CPU_arch: v8
+  Tag_CPU_arch_profile: Application
+  Tag_ARM_ISA_use: Yes
+  Tag_THUMB_ISA_use: Thumb-2
+  Tag_FP_arch: FP for ARMv8
+  Tag_Advanced_SIMD_arch: NEON for ARMv8.1
+  Tag_MPextension_use: Allowed
+  Tag_Virtualization_use: TrustZone and Virtualization Extensions