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LLVM backend for 6502
the return value is zero-extended if it isn't sign-extended. It may also be any-extended. Also, if a floating point value was returned in a larger floating point type, pass 1 as the second operand to FP_ROUND, which tells it that all the precision is in the original type. I think this is right but I could be wrong. Finally, when doing libcalls, set isZExt on a parameter if it is "unsigned". Currently isSExt is set when signed, and nothing is set otherwise. This should be right for all calls to standard library routines. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47122 91177308-0d34-0410-b5e6-96231b3b80d8 |
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README.txt |
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