TLS Demystified: Understanding the Mechanics and Compiler Support By 陳聖諺

議題

TLS Demystified: Understanding the Mechanics and Compiler Support

TR 412-1 [[ new Date( '2023-07-29 06:10:00+00:00' ).toLocaleDateString('ja', {year: 'numeric', month: '2-digit', day: '2-digit'}) ]] [[ new Date( '2023-07-29 06:10:00+00:00' ).toLocaleTimeString('zh-Hant', {hour12: false, hour: '2-digit', minute:'2-digit'}) ]] ~ [[ new Date( '2023-07-29 06:40:00+00:00' ).toLocaleTimeString('zh-Hant', {hour12: false, hour: '2-digit', minute:'2-digit'}) ]] zh-tw

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Thread Local Storage, aka TLS, is a feature embedded in various programming language, such as C, C++ and Rust, that frees the programmer from the arduous management of shared variable. One of the TLS-powered feature that undergirds your daily Linux-based developement is "errno", a variable that helps you fathom the problem underneath the operating system.

We will talk about the mechanics of TLS and how does llvm support it. We will analyze the IR lowering strategy adopted by the M68k backends and examine how to further optimize the strategy.

講者

陳聖諺

TBD

System Software GL9RD8 general (30mins)