Intel’s Next-Gen Panther Lake Client & Clearwater Forest Xeon CPUs Now Supported In LLVM Along With AVX10.1

The LLVM 18.1 release has seen new support for Intel's next-gen Panther Lake client & Clearwater Forest server CPUs.

Intel's 2025 Client & Server CPU Lineup Receives Early Support In LLVM 18.1 - Panther Lake & Clearwater Forest

In 2025, Intel aims to release a range of new chips for both client and server segments while ramping up the production of its late 2024 Arrow Lake and Lunar Lake lineups. Some of Intel's biggest launches next year will be the Panther Lake "Core" and Clearwater Forest "Xeon" CPUs.

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Phoronix reports that the latest release of LLVM 18.1 has added these next-gen chips within the support list. In addition to the CPUs, the new release also adds support for AVX10.1-256 & AVX10.1-512 instruction set architecture which paves the way for next-gen CPU architectures by team Blue. Some of the highlights of the release are mentioned below:

• ISA support for Intel AVX10.1-256 and AVX10.1-512.
• Intel Panther Lake and Clearwater Forest targets are now added with -march=pantherlake and -march=clearwaterforest.
• The "-mapxf" switch is now supported as part of the ongoing Intel Advanced Performance Extensions (APX) enablement.
• Various new RISC-V instructions are supported. The SiFive P670 target is also now supported.
• Support for Arm Cortex A520, A720, and X4 CPUs. The Arm Cortex-M52 CPU is also now supported.
• LLVM 18 on LoongArch now supports LSX 128-bit and LASX 256-bit SIMD with new intrinsics. LoongArch on LLVM also has initial support for auto vectorization and linker relaxation.
• Support for the Intel AVX10.1 ISA as well as Intel additions for USER_MSR.
• Intel Panther Lake and Clearwater Forest targets are now added with -march=pantherlake and -march=clearwaterforest.
• Intel OpenMP kernel language support.
• Quite a lot of bug fixes.

The Intel Panther Lake CPUs will follow the Arrow Lake CPUs for desktop and mobile platforms. These chips will be supported on the