From: Claudio Bantaloukas <Claudio.Bantaloukas@arm.com>
Date: Mon, 19 Feb 2024 15:26:59 +0000 (+0000)
Subject: arm: Add support for Armv9.5-A
X-Git-Tag: gdb-15-branchpoint~944
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b47cef7ca8a2fa55acdab367c87c1ea076aec4b2;p=thirdparty%2Fbinutils-gdb.git

arm: Add support for Armv9.5-A
---

diff --git a/gas/NEWS b/gas/NEWS
index 6494acfa3ea..7edde0e4aff 100644
--- a/gas/NEWS
+++ b/gas/NEWS
@@ -1,5 +1,7 @@
 -*- text -*-
 
+* Add support for 'armv9.5-a' for -march in Arm GAS.
+
 Changes in 2.42:
 
 * Add support for AMD znver5 processor.
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index 9c4bf56fa7d..3bbb75c169a 100644
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -32043,6 +32043,7 @@ static const struct arm_ext_table armv9a_ext_table[] =
 #define armv92a_ext_table armv91a_ext_table
 #define armv93a_ext_table armv92a_ext_table
 #define armv94a_ext_table armv93a_ext_table
+#define armv95a_ext_table armv94a_ext_table
 
 #define CDE_EXTENSIONS \
   ARM_ADD ("cdecp0", ARM_FEATURE_CORE_HIGH (ARM_EXT2_CDE | ARM_EXT2_CDE0)), \
@@ -32174,6 +32175,7 @@ static const struct arm_arch_option_table arm_archs[] =
   ARM_ARCH_OPT2 ("armv9.2-a",	  ARM_ARCH_V9_2A,	FPU_ARCH_VFP, armv92a),
   ARM_ARCH_OPT2 ("armv9.3-a",	  ARM_ARCH_V9_2A,	FPU_ARCH_VFP, armv93a),
   ARM_ARCH_OPT2 ("armv9.4-a",	  ARM_ARCH_V9_4A,	FPU_ARCH_VFP, armv94a),
+  ARM_ARCH_OPT2 ("armv9.5-a",	  ARM_ARCH_V9_5A,	FPU_ARCH_VFP, armv95a),
   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),
@@ -32965,6 +32967,7 @@ static const cpu_arch_ver_table cpu_arch_ver[] =
     {TAG_CPU_ARCH_V9,	    ARM_ARCH_V9_2A},
     {TAG_CPU_ARCH_V9,	    ARM_ARCH_V9_3A},
     {TAG_CPU_ARCH_V9,	    ARM_ARCH_V9_4A},
+    {TAG_CPU_ARCH_V9,	    ARM_ARCH_V9_5A},
     {-1,		    ARM_ARCH_NONE}
 };
 
diff --git a/gas/doc/c-arm.texi b/gas/doc/c-arm.texi
index ec1ed9de7df..0c1334371c9 100644
--- a/gas/doc/c-arm.texi
+++ b/gas/doc/c-arm.texi
@@ -274,6 +274,7 @@ names are recognized:
 @code{armv9.2-a},
 @code{armv9.3-a},
 @code{armv9.4-a},
+@code{armv9.5-a},
 @code{iwmmxt},
 @code{iwmmxt2}
 and
diff --git a/gas/testsuite/gas/arm/attr-march-armv9_5-a.d b/gas/testsuite/gas/arm/attr-march-armv9_5-a.d
new file mode 100644
index 00000000000..d8c83946eb6
--- /dev/null
+++ b/gas/testsuite/gas/arm/attr-march-armv9_5-a.d
@@ -0,0 +1,17 @@
+# name: check for armv9.5-a command line option settings
+# source: blank.s
+# as: -march=armv9.5-a
+# readelf: -A
+# This test is only valid on EABI based ports.
+# target: *-*-*eabi* *-*-nacl*
+
+Attribute Section: aeabi
+File Attributes
+  Tag_CPU_name: "9.5-A"
+  Tag_CPU_arch: v9
+  Tag_CPU_arch_profile: Application
+  Tag_ARM_ISA_use: Yes
+  Tag_THUMB_ISA_use: Thumb-2
+  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/bfloat16-armv9.5-a.d b/gas/testsuite/gas/arm/bfloat16-armv9.5-a.d
new file mode 100644
index 00000000000..f8aaa6fb01f
--- /dev/null
+++ b/gas/testsuite/gas/arm/bfloat16-armv9.5-a.d
@@ -0,0 +1,5 @@
+#name: Verify Armv9.5-A implies Armv9.4-A features by checking bfloat16 is enabled
+#source: bfloat16.s
+#as: -mno-warn-deprecated -march=armv9.5-a+simd -I$srcdir/$subdir
+#objdump: -dr --show-raw-insn
+#...
diff --git a/include/opcode/arm.h b/include/opcode/arm.h
index ad1d18a7f21..b22e841c4bf 100644
--- a/include/opcode/arm.h
+++ b/include/opcode/arm.h
@@ -401,6 +401,7 @@
 #define ARM_ARCH_V9_2A   ARM_ARCH_V9_1A
 #define ARM_ARCH_V9_3A   ARM_ARCH_V9_2A
 #define ARM_ARCH_V9_4A   ARM_ARCH_V9_3A
+#define ARM_ARCH_V9_5A   ARM_ARCH_V9_4A
 
 /* Some useful combinations:  */
 #define ARM_ARCH_NONE	ARM_FEATURE_ALL (0, 0, 0, 0)