From 175eafaf378659f6798c5b1b7591e9a3b1abd042 Mon Sep 17 00:00:00 2001 From: Richard Sandiford Date: Thu, 2 Dec 2021 15:00:56 +0000 Subject: [PATCH] aarch64: Add support for Armv8.8-A This patch adds skeleton support for -march=armv8.8-a, testing only that it correctly inherits from armv8.7-a. include/ * opcode/aarch64.h (AARCH64_FEATURE_V8_8): New macro. (AARCH64_ARCH_V8_8): Likewise. gas/ * doc/c-aarch64.texi: Document armv8.8-a. * config/tc-aarch64.c (aarch64_archs): Add armv8-8-a * testsuite/gas/aarch64/v8-8-a.s, * testsuite/gas/aarch64/v8-8-a.d: New test. --- gas/config/tc-aarch64.c | 1 + gas/doc/c-aarch64.texi | 4 ++-- gas/testsuite/gas/aarch64/v8-8-a.d | 2 ++ gas/testsuite/gas/aarch64/v8-8-a.s | 5 +++++ include/opcode/aarch64.h | 3 +++ 5 files changed, 13 insertions(+), 2 deletions(-) create mode 100644 gas/testsuite/gas/aarch64/v8-8-a.d create mode 100644 gas/testsuite/gas/aarch64/v8-8-a.s diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c index 497c126ea83..2181fa12bfd 100644 --- a/gas/config/tc-aarch64.c +++ b/gas/config/tc-aarch64.c @@ -9820,6 +9820,7 @@ static const struct aarch64_arch_option_table aarch64_archs[] = { {"armv8.5-a", AARCH64_ARCH_V8_5}, {"armv8.6-a", AARCH64_ARCH_V8_6}, {"armv8.7-a", AARCH64_ARCH_V8_7}, + {"armv8.8-a", AARCH64_ARCH_V8_8}, {"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 6c399636266..3051b6f6d76 100644 --- a/gas/doc/c-aarch64.texi +++ b/gas/doc/c-aarch64.texi @@ -110,8 +110,8 @@ 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}, @code{armv8-r}, and -@code{armv9-a}. +@code{armv8.5-a}, @code{armv8.6-a}, @code{armv8.7-a}, @code{armv8.8-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 diff --git a/gas/testsuite/gas/aarch64/v8-8-a.d b/gas/testsuite/gas/aarch64/v8-8-a.d new file mode 100644 index 00000000000..50fb822e5a6 --- /dev/null +++ b/gas/testsuite/gas/aarch64/v8-8-a.d @@ -0,0 +1,2 @@ +# objdump: -dr +#... diff --git a/gas/testsuite/gas/aarch64/v8-8-a.s b/gas/testsuite/gas/aarch64/v8-8-a.s new file mode 100644 index 00000000000..f2568ef922b --- /dev/null +++ b/gas/testsuite/gas/aarch64/v8-8-a.s @@ -0,0 +1,5 @@ + .arch armv8.8-a + + ld64b x0, [x1] + dsb oshnxs + msr hcrx_el2, x0 diff --git a/include/opcode/aarch64.h b/include/opcode/aarch64.h index fa79aa9c25a..493b7973f1c 100644 --- a/include/opcode/aarch64.h +++ b/include/opcode/aarch64.h @@ -94,6 +94,7 @@ typedef uint32_t aarch64_insn; #define AARCH64_FEATURE_V9 (1ULL << 56) /* Armv9.0-A processors. */ #define AARCH64_FEATURE_SME_F64 (1ULL << 57) /* SME F64. */ #define AARCH64_FEATURE_SME_I64 (1ULL << 58) /* SME I64. */ +#define AARCH64_FEATURE_V8_8 (1ULL << 59) /* Armv8.8 processors. */ /* Crypto instructions are the combination of AES and SHA2. */ #define AARCH64_FEATURE_CRYPTO (AARCH64_FEATURE_SHA2 | AARCH64_FEATURE_AES) @@ -141,6 +142,8 @@ typedef uint32_t aarch64_insn; #define AARCH64_ARCH_V8_7 AARCH64_FEATURE (AARCH64_ARCH_V8_6, \ AARCH64_FEATURE_V8_7 \ | AARCH64_FEATURE_LS64) +#define AARCH64_ARCH_V8_8 AARCH64_FEATURE (AARCH64_ARCH_V8_7, \ + AARCH64_FEATURE_V8_8) #define AARCH64_ARCH_V8_R (AARCH64_FEATURE (AARCH64_ARCH_V8_4, \ AARCH64_FEATURE_V8_R) \ & ~(AARCH64_FEATURE_V8_A | AARCH64_FEATURE_LOR)) -- 2.30.2