MMIX Instruction Set

Content

Conditional Assignments

Name:

CSZ $X,$Y,$Z	CSZ $X,$Y,Z	ZSZ $X,$Y,$Z	ZSZ $X,$Y,Z
CSNZ $X,$Y,$Z	CSNZ $X,$Y,Z	ZSNZ $X,$Y,$Z	ZSNZ $X,$Y,Z
CSN $X,$Y,$Z	CSN $X,$Y,Z	ZSN $X,$Y,$Z	ZSN $X,$Y,Z
CSNN $X,$Y,$Z	CSNN $X,$Y,Z	ZSNN $X,$Y,$Z	ZSNN $X,$Y,Z
CSP $X,$Y,$Z	CSP $X,$Y,Z	ZSP $X,$Y,$Z	ZSP $X,$Y,Z
CSNP $X,$Y,$Z	CSNP $X,$Y,Z	ZSNP $X,$Y,$Z	ZSNP $X,$Y,Z
CSOD $X,$Y,$Z	CSOD $X,$Y,Z	ZSOD $X,$Y,$Z	ZSOD $X,$Y,Z
CSEV $X,$Y,$Z	CSEV $X,$Y,Z	ZSEV $X,$Y,$Z	ZSEV $X,$Y,Z

Specification:

CSxx: s($X) ← s($Z) if s($Y) satisfies the condition xx.
ZSxx:

s($X) ← s($Z) if s($Y) satisfies condition xx,
0 otherwise

Timing:

1υ

Description:

The "Conditional Set" and "Zero or Set" Instructions check the specified condition for the value $Y and conditional execute the assignment.

See also:

Branches, General Information

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