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__builtin_mul_overflow
2015 Sep 09
2
Writing built-ins for instructions returning multiple operands
I have written many builtins for our SHAVE processor which bind directly to
our instructions, and making instructions that are not easily selectable by
the compiler available to the programmer.
The majority of these are straight-forward enough, taking a small number pf
input operands and returning a single result; for example 'int
__builtin_shave_mul(int, int)' might map onto a simple