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The AMD Optimizing C/C++ Compiler (AOCC) is an optimizing C/C++ and Fortran compiler suite from AMD targeting 32-bit and 64-bit Linux platforms. [1] [2] It is a proprietary fork of LLVM + Clang with various additional patches to improve performance for AMD's Zen microarchitecture in Epyc, and Ryzen microprocessors.
LLVM can accept the IR from the GNU Compiler Collection (GCC) toolchain, allowing it to be used with a wide array of extant compiler front-ends written for that project. LLVM can also be built with gcc after version 7.5. [37] LLVM can also generate relocatable machine code at compile-time or link-time or even binary machine code at runtime.
The LLVM project originally intended to use GCC's front end. The GCC source code, however, is large and somewhat cumbersome; as one long-time GCC developer put it referring to LLVM, "Trying to make the hippo dance is not really a lot of fun". [17] Besides, Apple software uses Objective-C, which is a low priority for GCC developers.
Yes (GCC, Clang, VC + custom) Yes (GCC, Clang, VC + custom) Yes Dev-C++: GPL: Yes No [10] No FreeBSD: Object Pascal: Yes No Yes Yes No Yes No Yes Yes 2021-01-30 Yes Yes No Eclipse CDT: EPL: Yes Yes Yes FreeBSD, JVM, Solaris: C++, Java: Yes Yes [2] Yes [11] Yes [12] Yes [13] Yes Yes Yes Yes 2020-06 [14] [15] [16] External External Yes Geany: GPL ...
Linaro is an engineering organization that works on free and open-source software such as the Linux kernel, the GNU Compiler Collection (GCC), QEMU, power management, graphics and multimedia interfaces for the ARM family of instruction sets and implementations thereof as well as for the Heterogeneous System Architecture (HSA).
Like GCC, LLVM also targets some IRs meant for direct distribution, including Google's PNaCl IR and SPIR. A further development within LLVM is the use of Multi-Level Intermediate Representation ( MLIR ) with the potential to generate code for different heterogeneous targets, and to combine the outputs of different compilers.
GCC is licensed under the GNU General Public License version 3. [83] The GCC runtime exception permits compilation of proprietary programs (in addition to free software) with GCC headers and runtime libraries. This does not impact the license terms of GCC source code.
Originally authored by Richard Stallman in 1987, GCC is a major modern compiler which is used to compile many free software projects, notably Linux. LLVM, formerly known as the Low Level Virtual Machine; Small-C by Ron Cain and James E Hendrix; Turbo Pascal, created by Anders Hejlsberg, first released in 1983. WATFOR, created at the University ...