Aug 24 – 28, 2020
US/Pacific timezone

Asm Goto with Outputs

Aug 27, 2020, 9:30 AM
15m
Microconference1/Virtual-Room (LPC Virtual)

Microconference1/Virtual-Room

LPC Virtual

150
LLVM MC LLVM MC

Speaker

Bill Wendling (Google)

Description

"Asm goto with outputs" is a clang extension of the GNU "asm goto" feature. As the name implies, it allows asm goto to have outputs on the default branch (outputs on indirect branches aren't supported). In this talk, we discuss the benefits of this feature, its implementation and design limits, and how the clang and gcc communities can work together on future GNU C extensions.

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