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SPARC Assembly Language Reference Manual |
1. SPARC Assembler for SunOS 5.x
3. Executable and Linking Format
4. Converting Files to the New Format
5.3 Floating-Point Instruction
5.6 V8/V9 Natural Pseudo Instructions
B. Examples of Pseudo-Operations
C. Using the Assembler Command Line
All coprocessor-operate (cpopn) instructions take all operands from and return all results to coprocessor registers. The data types supported by the coprocessor are coprocessor-dependent. Operand alignment is also coprocessor-dependent. Coprocessor-operate instructions are described in Table 5-5.
If the EC (PSR_enable_coprocessor) field of the processor state register (PSR) is 0, or if a coprocessor is not present, a cpopn instruction causes a cp_disabled trap.
The conditions that cause a cp_exception trap are coprocessor-dependent.
Table 5-5
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