[llvm-bugs] [Bug 46140] New: [AVR] Implement a subclass of clang::ABIInfo that is binary-compatible with AVR-GCC

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=46140

            Bug ID: 46140
           Summary: [AVR] Implement a subclass of clang::ABIInfo that is
                    binary-compatible with AVR-GCC
           Product: clang
           Version: unspecified
          Hardware: All
                OS: All
            Status: NEW
          Keywords: ABI, accepts-invalid, miscompilation
          Severity: normal
          Priority: P
         Component: LLVM Codegen
          Assignee: unassignedclangbugs at nondot.org
          Reporter: me at dylanmckay.io
                CC: llvm-bugs at lists.llvm.org, neeilans at live.com,
                    richard-llvm at metafoo.co.uk

Currently, AVR under Clang uses the default ABI implementation -
clang::DefaultABIInfo.

There will be cases where the default ABI implementation is binary-incompatible
with AVR-GCC. A new AVR-specific calling convention ABIInfo subclass should be
written.

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