From 7fadb25d6faf2665305016ceb4aeaeeb86015569 Mon Sep 17 00:00:00 2001 From: Sudakshina Das Date: Fri, 5 Oct 2018 10:49:53 +0100 Subject: [Arm, 2/3] Add instruction SB for AArch32 This patch is part of the patch series to add support for ARMv8.5-A extensions. (https://developer.arm.com/products/architecture/cpu-architecture/a-profile/exploration-tools) This patch adds the instruction SB. This instruction is retrospectively made optional for all versions of the architecture from ARMv8.0 to ARMv8.4 and is mandatory from ARMv8.5. Hence adding a new "+sb" for older archtectures. *** include/ChangeLog *** 2018-10-05 Sudakshina Das * opcode/arm.h (ARM_EXT2_SB): New. (ARM_ARCH_V8_5A): Add ARM_EXT2_SB by default. *** opcodes/ChangeLog *** 2018-10-05 Sudakshina Das * arm-dis.c (arm_opcodes): Add sb. (thumb32_opcodes): Likewise. *** gas/ChangeLog *** 2018-10-05 Sudakshina Das * config/tc-arm.c (arm_ext_sb): New. (insns): Add new sb instruction. (arm_extensions): Add "sb". * doc/c-arm.texi: Document the above. * testsuite/gas/arm/sb-bad.d: New test. * testsuite/gas/arm/sb-bad.l: New test. * testsuite/gas/arm/sb-thumb1.d: New test. * testsuite/gas/arm/sb-thumb2.d: New test. * testsuite/gas/arm/sb.s: New test. * testsuite/gas/arm/sb1.d: New test. * testsuite/gas/arm/sb2.d: New test. --- gas/doc/c-arm.texi | 2 ++ 1 file changed, 2 insertions(+) (limited to 'gas/doc') diff --git a/gas/doc/c-arm.texi b/gas/doc/c-arm.texi index 522a1db..18008c4 100644 --- a/gas/doc/c-arm.texi +++ b/gas/doc/c-arm.texi @@ -189,6 +189,8 @@ The following extensions are currently supported: @code{mp} (Multiprocessing Extensions for v7-A and v7-R architectures), @code{os} (Operating System for v6M architecture), +@code{sb} (Speculation Barrier Instruction for v8-A architectures, added by +default from v8.5-A), @code{sec} (Security Extensions for v6K and v7-A architectures), @code{simd} (Advanced SIMD Extensions for v8-A architecture, implies @code{fp}), @code{virt} (Virtualization Extensions for v7-A architecture, implies -- cgit v1.1