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The struct x1f4_1stscope_type operator definition extension is to
include the
X1f4_E4_MXCS_LIST bit in its bits1 bits list field. The
remaining optimization parameters are to be introduced via the
struct x1f4_operator_type first extension, in a struct
x1f4_odbS_type definition. That is, the extension1 field of the
struct x1f4_operator_type operator description must point a struct
x1f4_1stscope_type record, whose odbS_data field must point a
struct x1f4_odbS_type record, in turn describing the optimization
parameters.
See struct x1f4_1stscope_type.
See struct x1f4_operator_type.
See Operator First Extension Scope Flags.
The optimization transforms expressions like:
2 << e << 2 2 << e << c << 2
into:
8 << e 8 << e << c