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explicit
2019 Jan 15
7
[RFC] Introducing an explicit calling convention
...nique for this particular
location. Unfortunately there is currently no way to define the
details of a LLVM calling convention dynamically, as LLVM only allows
the user to choose among a fixed set of predefined conventions.
Approach
========
This proposal adds a new calling convention called 'explicitcc', which
can be applied to void functions. A function using the explicit
calling convention requires that each element of the argument list has
a parameter attribute 'hwreg(metadata)' specifying the register from
which the argument gets its value. An 'explicit' function can have...