From d5007f0280d881a8add44e6a68a3f536e138244c Mon Sep 17 00:00:00 2001 From: Przemyslaw Wirkus Date: Thu, 30 Sep 2021 20:44:17 +0100 Subject: [PATCH] aarch64: add armv9-a architecture to -march Patch is adding new 'armv9-a` command line flag to -march for AArch64. gas/ * config/tc-aarch64.c: Add 'armv9-a' command line flag. * docs/c-aarch64.text: Update docs. * NEWS: Update docs. include/ * opcode/aarch64.h (AARCH64_FEATURE_V9): New define. (AARCH64_ARCH_V9): New define. --- gas/NEWS | 2 ++ gas/config/tc-aarch64.c | 1 + gas/doc/c-aarch64.texi | 7 ++++--- include/opcode/aarch64.h | 5 +++++ 4 files changed, 12 insertions(+), 3 deletions(-) diff --git a/gas/NEWS b/gas/NEWS index 8046ed541a8..258a1569a3b 100644 --- a/gas/NEWS +++ b/gas/NEWS @@ -4,6 +4,8 @@ x86 assembler have been reduced from 12 bytes to 10 bytes to match the output of .tfloat directive. +* Add support for 'armv9-a' for -march in AArch64 GAS. + * Add support for Intel AVX512_FP16 instructions. Changes in 2.37: diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c index 19a5d49d090..087f88ef173 100644 --- a/gas/config/tc-aarch64.c +++ b/gas/config/tc-aarch64.c @@ -9144,6 +9144,7 @@ static const struct aarch64_arch_option_table aarch64_archs[] = { {"armv8.6-a", AARCH64_ARCH_V8_6}, {"armv8.7-a", AARCH64_ARCH_V8_7}, {"armv8-r", AARCH64_ARCH_V8_R}, + {"armv9-a", AARCH64_ARCH_V9}, {NULL, AARCH64_ARCH_NONE} }; diff --git a/gas/doc/c-aarch64.texi b/gas/doc/c-aarch64.texi index 79dce2f7407..c49e0a4ee1c 100644 --- a/gas/doc/c-aarch64.texi +++ b/gas/doc/c-aarch64.texi @@ -107,7 +107,8 @@ issue an error message if an attempt is made to assemble an instruction which will not execute on the target architecture. The following architecture names are recognized: @code{armv8-a}, @code{armv8.1-a}, @code{armv8.2-a}, @code{armv8.3-a}, @code{armv8.4-a} -@code{armv8.5-a}, @code{armv8.6-a}, @code{armv8.7-a}, and @code{armv8-r}. +@code{armv8.5-a}, @code{armv8.6-a}, @code{armv8.7-a}, @code{armv8-r}, and +@code{armv9-a}. If both @option{-mcpu} and @option{-march} are specified, the assembler will use the setting for @option{-mcpu}. If neither are @@ -196,7 +197,7 @@ automatically cause those extensions to be disabled. @tab Enable ARMv8.1 Advanced SIMD extensions. This implies @code{simd}. @item @code{simd} @tab ARMv8-A @tab ARMv8-A or later @tab Enable Advanced SIMD extensions. This implies @code{fp}. -@item @code{sve} @tab ARMv8.2-A @tab No +@item @code{sve} @tab ARMv8.2-A @tab Armv9-A or later @tab Enable the Scalable Vector Extensions. This implies @code{fp16}, @code{simd} and @code{compnum}. @item @code{dotprod} @tab ARMv8.2-A @tab ARMv8.4-A or later @@ -216,7 +217,7 @@ automatically cause those extensions to be disabled. @tab Enable ARMv8.5-A Memory Tagging Extensions. @item @code{tme} @tab ARMv8-A @tab No @tab Enable Transactional Memory Extensions. -@item @code{sve2} @tab ARMv8-A @tab No +@item @code{sve2} @tab ARMv8-A @tab Armv9-A or later @tab Enable the SVE2 Extension. @item @code{sve2-bitperm} @tab ARMv8-A @tab No @tab Enable SVE2 BITPERM Extension. diff --git a/include/opcode/aarch64.h b/include/opcode/aarch64.h index 2bbd593c36e..420b211de6e 100644 --- a/include/opcode/aarch64.h +++ b/include/opcode/aarch64.h @@ -90,6 +90,7 @@ typedef uint32_t aarch64_insn; #define AARCH64_FEATURE_F32MM (1ULL << 53) #define AARCH64_FEATURE_F64MM (1ULL << 54) #define AARCH64_FEATURE_FLAGM (1ULL << 55) /* v8.4 Flag Manipulation. */ +#define AARCH64_FEATURE_V9 (1ULL << 56) /* Armv9.0-A processors. */ /* Crypto instructions are the combination of AES and SHA2. */ #define AARCH64_FEATURE_CRYPTO (AARCH64_FEATURE_SHA2 | AARCH64_FEATURE_AES) @@ -140,6 +141,10 @@ typedef uint32_t aarch64_insn; #define AARCH64_ARCH_V8_R (AARCH64_FEATURE (AARCH64_ARCH_V8_4, \ AARCH64_FEATURE_V8_R) \ & ~(AARCH64_FEATURE_V8_A | AARCH64_FEATURE_LOR)) +#define AARCH64_ARCH_V9 AARCH64_FEATURE (AARCH64_ARCH_V8_5, \ + AARCH64_FEATURE_SVE \ + | AARCH64_FEATURE_SVE2 \ + | AARCH64_FEATURE_V9) #define AARCH64_ARCH_NONE AARCH64_FEATURE (0, 0) #define AARCH64_ANY AARCH64_FEATURE (-1, 0) /* Any basic core. */ -- 2.30.2