>>>>> "Jonathan" == Jonathan J Simpson <[EMAIL PROTECTED]> writes:
Jonathan> (declaim (optimize (speed 3) (safety 0)))
Jonathan> (defstruct vec4
Jonathan> (x 0d0 :type double-float)
Jonathan> (y 0d0 :type double-float)
Jonathan> (z 0d0 :type double-float)
Jonathan> (w 0d0 :type double-float))
Jonathan> Produces four compiler notes:
Jonathan> In: DEFSTRUCT VEC4
Jonathan> ; (DEFSTRUCT VEC4
Jonathan> ; (X 0.0d0 :TYPE DOUBLE-FLOAT)
Jonathan> ; (Y 0.0d0 :TYPE DOUBLE-FLOAT)
Jonathan> ; (Z 0.0d0 :TYPE DOUBLE-FLOAT)
Jonathan> ; ...)
Jonathan> ; Note: Doing float to pointer coercion (cost 13) to "<return value>".
Jonathan> I thought that in cmucl, structs could have unboxed
Jonathan> slots. I'm using cmucl 18e. Is it supposed to be doing
Jonathan> this. I've noticed other people do this in their code
I believe these notes are coming from the accessors for the slots.
The accessors need to box up the floats so they can be returned. The
structure slots themselves ought to be unboxed.
Ray
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