RSHIFT(I, SHIFT) (IBM extension)

Purpose

Performs an arithmetic shift to the right.

Class

Elemental function

Argument type and attributes

I

must be of type integer.

SHIFT

must be of type integer. It must be non-negative and less than or equal to BIT_SIZE(I).

Result type and attributes

Same as I.

Result value

• The result has the value obtained by shifting the bits of I by SHIFT positions to the right.
• Vacated bits are filled with the sign bit.
• The bits are numbered 0 to BIT_SIZE(I)-1, from right to left.