LLVM: field addition with saturated fields#456

Merged

mratsim merged 6 commits intomasterfrom llvm-sat-codegen

Aug 14, 2024

+1,626-685

Commits on Aug 5, 2024

feat(LLVM): add codegenerator for saturated field add/sub
mratsim
committed

Commits on Aug 9, 2024

LLVM: WIP refactor - boilerplate, linkage, assembly sections, ...
mratsim
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Commits on Aug 12, 2024

feat(llvm): try (and fail) to workaround bad modular addition codegen with inline function.
mratsim
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llvm: partial workaround failure around https://github.com/llvm/llvm-project/issues/102868\#issuecomment-2284935755 module inlining breaks machine instruction fusion
mratsim
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Commits on Aug 13, 2024

llvm: define our own addcarry/subborrow which properly optimize on x86 (but not ARM see llvm/llvm-project#102062 )
mratsim
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Commits on Aug 14, 2024

llvm: use builtin llvm.uadd.with.overflow.iXXX to try to generate optimal code (and fail for i320 and i384 llvm/llvm-project#103717 )
mratsim
committed