[Libre-soc-bugs] [Bug 1229] fosdem2024 llvm simple-v

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=1229

--- Comment #1 from Jacob Lifshay <programmerjake at gmail.com> ---
some points:
the register keyword won't be going away completely since the register keyword
has a non-deprecated use around inline assembly (this isn't part of the C or
C++ standards, this is a GCC extension that Clang also implements):
// tells the compiler to put a in r3 (clang does this only for
// inline assembly so a could be stored elsewhere outside of
// any inline assembly blocks, gcc does more than that, idk
// how much)
register long a asm("r3");
asm("addi r3, r3, 1" : "+r"(a));  // increments a

for LLVM IR, we will be having standard existing vector IR translate to SimpleV
ops in the backend, not something like having only SimpleV prefixed IR and
never any vector ops or something like that.

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