The secret of the LLVM C bindings
Neural Networks, Machine Learning and Artificial Intelligence. Ever wanted to use LLVM from C? Can't find any documentation? Welcome. Since I'm considering retargeting CLISP'S JIT Compiler I've been experimenting with LLVM. LLVM is an optimizing compiler for a virtual instruction set. Technically, it is very interesting. And this year, with Apple and CLANG in the game, it seems to be here to stay.
mikeash.com: Friday Q&A 2009-06-05: Introduction to Valgrind
Welcome back to another late Friday Q&A. My apologies to all of my readers for missing last week's edition. Some family events beyond the scope of this blog prevented me from writing one. And I should probably point out right now that WWDC is almost certainly going to prevent me from writing one next week. This week, however, I do have a post, and I'm going to be talking about Valgrind as suggeste
Khronos OpenCL Registry - The Khronos Group Inc
The OpenCL registry contains formatted specifications of the OpenCL API, OpenCL C programming language, OpenCL SPIR-V environment, and OpenCL extensions. The OpenCL registry also includes header files, links to reference pages, reference cards, and other related documentation. The asciidoctor source for the specifications in this registry is available in the OpenCL-Docs GitHub repository. This reg
アプリケーションの変換
現在の 32 ビットアプリケーションでは integer、pointer、long が同じサイズであるとみなされることが多くあります。LP64 データ型モデルでは、long と pointer のサイズが変更されているため、この変更だけでも、ILP32 から LP64 への変換で多くの問題が発生する可能性があります。 また、宣言と型変換を調べることも非常に重要です。データ型が変わると、式の評価方法が影響を受ける可能性があります。標準的な C の変換規則の働きも、データ型のサイズの変更の影響を受けます。意図したこと正しく示すには、定数の型を明示的に宣言してください。式で型変換を使用して、意図したとおりに式が評価されるようにすることもできます。このことは、意図したことを指示する上で明示的な型変換が欠かせない符号拡張部で特に必要になります。 単一ソースコードの実現 この節では、32 ビットと 6
The CompCert verified compiler
The CompCert verified compiler Commented Coq development Version 3.13, 2023-07-04 Introduction CompCert is a compiler that generates ARM, PowerPC, RISC-V and x86 assembly code from CompCert C, a large subset of the C programming language. The particularity of this compiler is that it is written mostly within the specification language of the Coq proof assistant, and its correctness --- the fact th
Reading C type declarations - Eli Bendersky's website
C is not an easy language to parse. A cursory glance at its BNF grammar should convince anyone immediately. One of the hairiest parts of the grammar is type declarations. The creators of C, Brian Kernighan and Dennis Ritchie, admit it themselves in the beginning of section 5.12 of K&R2 ("The C programming language 2nd Ed"): C is sometimes castigated for the syntax of its declarations, particularly
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Cross platform format string for variables of type size_t?