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typedef struct x1f4_rdbl_type { ... unsigned flags; const void *data, *miss; } x1f4_rdbl_type;
The struct x1f4_rdbl_type
record describes the parameters for the
substitution of the (left operand) zero element combining operation
optimization.
See Left Zero Element Promotion.
data
The data
field is the address at which the value of the zero element is
stored (the type of it is inferred from the operator description, it is the
type of the left operand).
miss
The miss
field is the address at which the value of the substituting
element is stored (the type of it is inferred from the operator description, it
is the type of the operator).
flags
The flags
field is a bitwise OR of zero or more zero element promotion
flag bits.