Instruction Description Conventions

All instruction descriptions include the following sections:

• Format - Assembly language syntax, instruction type and encoding format.

• Description - Instruction function in English.

• Interruptions - Prioritized list of interruptions that may be caused by the instruction.

• Operation - Instruction function in C code (Click the word Operation in the heading of any instruction to see it.)

In addition, the following sections are included when applicable:

• Serialization - Serializing behavior or serialization requirements.

• FP Exceptions - IEEE floating-point traps.

The following abbreviations are used for register types:

• AR - application registers

• BR - branch registers

• FR - floating-point registers

• GR - general registers

• PR - predicate registers