1. Computers
  2. Display Drivers
  3. Graphics Cards
  4. Memory
  5. Motherboards
  6. Processors
  7. Software
  8. Storage
  9. Operating Systems


Facebook RSS Twitter Twitter Google Plus


Phoronix Test Suite

OpenBenchmarking Benchmarking Platform
Phoromatic Test Orchestration

R600 Gallium3D LLVM Shader Compiler Hooked Up

Mesa

Published on 23 April 2012 04:45 PM EDT
Written by Michael Larabel in Mesa
50 Comments

Mainline Mesa Git can now be built with the AMD R600 Gallium3D LLVM shader compiler back-end available.

Landed today in Mesa Git master were several "r600g/llvm" commits from AMD's Tom Stellard. While the LLVM back-end for the R600/SI support was actually merged into mainline Mesa earlier this month when the RadeonSI Gallium3D driver was merged, only today is it being hooked up to be made available for R600g use.

Ultimately the R600 LLVM back-end is expected to be merged into the LLVM code-base, but that hasn't happened yet (it was called for inclusion into LLVM last month, but hasn't been pulled by LLVM developers) and it's too late to be moved into LLVM 3.1. As a result, for now the R600 LLVM back-end is living in Mesa.

This LLVM back-end for R600g has been one of the items that AMD's open-source team has been working on for several months. In early December was when the R600g LLVM back-end was published. This LLVM implementation is needed for OpenCL on Radeon hardware, among other purposes.

Thanks to today's R600g LLVM commits (particularly this one), Mesa can now be built with --enable-r600-llvm-compiler to enable the LLVM shader compiler. With the support built-in, use of the LLVM shader compiler for R600g is still optional via toggling the R600_USE_LLVM environment variable.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
Latest Linux News
  1. Phoronix Test Suite 5.8 Milestone 5 Brings Near Final "Belev" Experience
  2. For AMD Users, Linux 4.2 Will Bring The New AMDGPU Driver & VCE1 For Radeon
  3. Atomic Mode-Setting Still Baking For Samsung's Exynos DRM Driver
  4. Ubuntu Phone Update This Month Brings Many Improvements
  5. Fedora's "Fedup" To Be Replaced In Fedora 23
  6. Android M Should Bring Greater Performance & Efficiency
  7. AMD Teases Upcoming Radeon "Fiji" GPU Launch
  8. Dell Makes An Ubuntu Installation Guide, Suggests Users Try It Out
  9. Running Linux On The Intel Compute Stick
  10. AMD Launches The A10-7870K "Godavari" APU
Latest Articles & Reviews
  1. Opening The Gates To Our Daily Open-Source Linux Benchmark Results
  2. The Latest Features For Linux Performance Management + Benchmark Monitoring
  3. Noctua NH-U12DX i4 + NF-F12
  4. Btrfs RAID 0/1 Benchmarks On The Linux 4.1 Kernel
Most Viewed News This Week
  1. NVIDIA's Proprietary Driver Is Moving Closer With Kernel Mode-Setting
  2. Zapcc Claims To Be A "Much Faster C++ Compiler"
  3. OpenWRT 15.05 Preparing Improved Security & Better Networking
  4. Features Added To Mesa 10.6 For Open-Source GPU Drivers
  5. Ubuntu's LXD vs. KVM For The Linux Cloud
  6. The Latest Linux Kernel Git Code Fixes The EXT4 RAID0 Corruption Problem
  7. Fedora 22 Is Being Released Next Tuesday
  8. Friction Building Around An Ubuntu Community Council Decision