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ARM-CGT-CLANG

Arm® code generation tools - compiler

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Version: 4.0.5.LTS
Release date: May 23, 2026
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Release notes

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ti_cgt_armllvm_4.0.5.LTS_linux-x64_installer.bin  — 234808 K

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ti_cgt_armllvm_4.0.5.LTS_windows-x64_installer.exe  — 207721 K

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ti_cgt_armllvm_4.0.5.LTS_linux-arm64_installer.bin  — 226953 K

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ti_cgt_armllvm_4.0.5.LTS_osx-x64_installer.app.zip  — 230342 K

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Products
Automotive wireless connectivity products
CC2640R2F-Q1 — SimpleLink™ automotive qualified 32-bit Arm Cortex-M3 Bluetooth® Low Energy wireless MCU CC2642R-Q1 — Automotive qualified SimpleLink™ Bluetooth® Low Energy wireless MCU
Low-power 2.4-GHz products
CC2640R2F — SimpleLink™ 32bit Arm® Cortex®-M3 Bluetooth® Low Energy 5.1 wireless MCU with 128kB flash CC2642R — SimpleLink™ 32-bit Arm Cortex-M4F Bluetooth® Low Energy wireless MCU with 352kB Flash CC2651R3 — SimpleLink™ 32-bit Arm® Cortex®-M4 single-protocol 2.4-GHz wireless MCU with 352-kB flash CC2652P — SimpleLink™ Arm Cortex-M4F multiprotocol 2.4 GHz wireless MCU with integrated power amplifier CC2652P7 — SimpleLink™ Arm® Cortex®-M4F multiprotocol 2.4-GHz wireless MCU, 704-kB Flash, integrated power amp CC2652R — SimpleLink™ 32-bit Arm Cortex-M4F multiprotocol 2.4 GHz wireless MCU with 352kB Flash CC2652RB — SimpleLink™ 32-bit Arm Cortex-M4F multiprotocol 2.4 GHz wireless MCU with crystal-less BAW resonator CC2652RSIP — SimpleLink™ multiprotocol 2.4-GHz wireless system-in-package module with 352-KB memory
Sub-1 GHz wireless MCUs
CC1310 — SimpleLink™ 32-bit Arm Cortex-M3 Sub-1 GHz wireless MCU with 128kB Flash CC1312R — SimpleLink™ 32-bit Arm Cortex-M4F Sub-1 GHz wireless MCU with 352kB Flash CC1350 — SimpleLink™ 32-bit Arm Cortex-M3 multiprotocol Sub-1 GHz & 2.4 GHz wireless MCU with 128kB Flash CC1352P — SimpleLink™ Arm Cortex-M4F multiprotocol Sub-1 GHz & 2.4 GHz wireless MCU integrated power amplifier CC1352P7 — SimpleLink™ Arm® Cortex®-M4F multiband sub-1GHz & 2.4GHz wireless MCU with EdgeAI support, +20dBm CC1352R — SimpleLink™ Arm Cortex-M4F multiband Sub-1GHz & 2.4GHz wireless MCU with EdgeAI support
Wi-Fi products
CC3120 — SimpleLink™ Wi-Fi® Network Processor, Internet-of-Things Solution for MCU Applications CC3220R — SimpleLink™ 32-bit Arm Cortex-M4 Wi-Fi® wireless MCU with 6 TLS/SSL and 256kB RAM CC3220S — SimpleLink™ 32-bit Arm Cortex-M4 Wi-Fi® wireless MCU with secure boot and 256kB RAM

Release Information

This is the 5.1.1.LTS Long-Term Support (LTS) release. The tiarmclang compiler tools provide software development tools including the compiler, assembler, and linker, among others, which can be used to develop applications with C/C++ source code for loading and running on Arm Cortex-M and Cortex-R series core processors.


For definitions and explanations of STS, LTS, and the versioning number scheme, please see https://software-dl.ti.com/ccs/esd/documents/sdto_cgt_compiler_version_numbers_and_what_they_mean.html.


PLEASE NOTE: The X86 MacOS installation of the tiarmclang 5.1.1.LTS relies on a libc++.1.dylib that is available in more recent versions of the MacOS. It is known to work with MacOS version 13.6, but it does not work with MacOS version 10.13.6.

What's new

  • Security: Control Flow Integrity (CFI)
  • Security: Support for C11 Secure Functions in C Runtime Library
  • Security: Linker Command File fill() Operator - with optional width argument
  • Security: Support for pad Function Attribute
  • Basic Support for Cortex-R52
  • Support for Suppressing Floating Point Speculation with -ffp-exception-behavior Option
  • Support for Size-Based align(power2) Operator in Linker Command Files
  • Support for MSP M0/M0+Math Accelerator
  • Bug fixes